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<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * @package mod_data * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); // Some constants define ('DATA_MAX_ENTRIES', 50); define ('DATA_PERPAGE_SINGLE', 1); define ('DATA_FIRSTNAME', -1); define ('DATA_LASTNAME', -2); define ('DATA_APPROVED', -3); define ('DATA_TIMEADDED', 0); define ('DATA_TIMEMODIFIED', -4); define ('DATA_TAGS', -5); define ('DATA_CAP_EXPORT', 'mod/data:viewalluserpresets'); define('DATA_PRESET_COMPONENT', 'mod_data'); define('DATA_PRESET_FILEAREA', 'site_presets'); define('DATA_PRESET_CONTEXT', SYSCONTEXTID); define('DATA_EVENT_TYPE_OPEN', 'open'); define('DATA_EVENT_TYPE_CLOSE', 'close'); // Users having assigned the default role "Non-editing teacher" can export database records // Using the mod/data capability "viewalluserpresets" existing in Moodle 1.9.x. // In Moodle >= 2, new roles may be introduced and used instead. /** * @package mod_data * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class data_field_base { // Base class for Database Field Types (see field/*/field.class.php) /** @var string Subclasses must override the type with their name */ var $type = 'unknown'; /** @var object The database object that this field belongs to */ var $data = NULL; /** @var object The field object itself, if we know it */ var $field = NULL; /** @var int Width of the icon for this fieldtype */ var $iconwidth = 16; /** @var int Width of the icon for this fieldtype */ var $iconheight = 16; /** @var object course module or cmifno */ var $cm; /** @var object activity context */ var $context; /** @var priority for globalsearch indexing */ protected static $priority = self::NO_PRIORITY; /** priority value for invalid fields regarding indexing */ const NO_PRIORITY = 0; /** priority value for minimum priority */ const MIN_PRIORITY = 1; /** priority value for low priority */ const LOW_PRIORITY = 2; /** priority value for high priority */ const HIGH_PRIORITY = 3; /** priority value for maximum priority */ const MAX_PRIORITY = 4; /** * Constructor function * * @global object * @uses CONTEXT_MODULE * @param int $field * @param int $data * @param int $cm */ function __construct($field=0, $data=0, $cm=0) { // Field or data or both, each can be id or object global $DB; if (empty($field) && empty($data)) { print_error('missingfield', 'data'); } if (!empty($field)) { if (is_object($field)) { $this->field = $field; // Programmer knows what they are doing, we hope } else if (!$this->field = $DB->get_record('data_fields', array('id'=>$field))) { print_error('invalidfieldid', 'data'); } if (empty($data)) { if (!$this->data = $DB->get_record('data', array('id'=>$this->field->dataid))) { print_error('invalidid', 'data'); } } } if (empty($this->data)) { // We need to define this properly if (!empty($data)) { if (is_object($data)) { $this->data = $data; // Programmer knows what they are doing, we hope } else if (!$this->data = $DB->get_record('data', array('id'=>$data))) { print_error('invalidid', 'data'); } } else { // No way to define it! print_error('missingdata', 'data'); } } if ($cm) { $this->cm = $cm; } else { $this->cm = get_coursemodule_from_instance('data', $this->data->id); } if (empty($this->field)) { // We need to define some default values $this->define_default_field(); } $this->context = context_module::instance($this->cm->id); } /** * This field just sets up a default field object * * @return bool */ function define_default_field() { global $OUTPUT; if (empty($this->data->id)) { echo $OUTPUT->notification('Programmer error: dataid not defined in field class'); } $this->field = new stdClass(); $this->field->id = 0; $this->field->dataid = $this->data->id; $this->field->type = $this->type; $this->field->param1 = ''; $this->field->param2 = ''; $this->field->param3 = ''; $this->field->name = ''; $this->field->description = ''; $this->field->required = false; return true; } /** * Set up the field object according to data in an object. Now is the time to clean it! * * @return bool */ function define_field($data) { $this->field->type = $this->type; $this->field->dataid = $this->data->id; $this->field->name = trim($data->name); $this->field->description = trim($data->description); $this->field->required = !empty($data->required) ? 1 : 0; if (isset($data->param1)) { $this->field->param1 = trim($data->param1); } if (isset($data->param2)) { $this->field->param2 = trim($data->param2); } if (isset($data->param3)) { $this->field->param3 = trim($data->param3); } if (isset($data->param4)) { $this->field->param4 = trim($data->param4); } if (isset($data->param5)) { $this->field->param5 = trim($data->param5); } return true; } /** * Insert a new field in the database * We assume the field object is already defined as $this->field * * @global object * @return bool */ function insert_field() { global $DB, $OUTPUT; if (empty($this->field)) { echo $OUTPUT->notification('Programmer error: Field has not been defined yet! See define_field()'); return false; } $this->field->id = $DB->insert_record('data_fields',$this->field); // Trigger an event for creating this field. $event = \mod_data\event\field_created::create(array( 'objectid' => $this->field->id, 'context' => $this->context, 'other' => array( 'fieldname' => $this->field->name, 'dataid' => $this->data->id ) )); $event->trigger(); return true; } /** * Update a field in the database * * @global object * @return bool */ function update_field() { global $DB; $DB->update_record('data_fields', $this->field); // Trigger an event for updating this field. $event = \mod_data\event\field_updated::create(array( 'objectid' => $this->field->id, 'context' => $this->context, 'other' => array( 'fieldname' => $this->field->name, 'dataid' => $this->data->id ) )); $event->trigger(); return true; } /** * Delete a field completely * * @global object * @return bool */ function delete_field() { global $DB; if (!empty($this->field->id)) { // Get the field before we delete it. $field = $DB->get_record('data_fields', array('id' => $this->field->id)); $this->delete_content(); $DB->delete_records('data_fields', array('id'=>$this->field->id)); // Trigger an event for deleting this field. $event = \mod_data\event\field_deleted::create(array( 'objectid' => $this->field->id, 'context' => $this->context, 'other' => array( 'fieldname' => $this->field->name, 'dataid' => $this->data->id ) )); $event->add_record_snapshot('data_fields', $field); $event->trigger(); } return true; } /** * Print the relevant form element in the ADD template for this field * * @global object * @param int $recordid * @return string */ function display_add_field($recordid=0, $formdata=null) { global $DB, $OUTPUT; if ($formdata) { $fieldname = 'field_' . $this->field->id; $content = $formdata->$fieldname; } else if ($recordid) { $content = $DB->get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid)); } else { $content = ''; } // beware get_field returns false for new, empty records MDL-18567 if ($content===false) { $content=''; } $str = '<div title="' . s($this->field->description) . '">'; $str .= '<label for="field_'.$this->field->id.'"><span class="accesshide">'.$this->field->name.'</span>'; if ($this->field->required) { $image = $OUTPUT->pix_icon('req', get_string('requiredelement', 'form')); $str .= html_writer::div($image, 'inline-req'); } $str .= '</label><input class="basefieldinput form-control d-inline mod-data-input" ' . 'type="text" name="field_' . $this->field->id . '" ' . 'id="field_' . $this->field->id . '" value="' . s($content) . '" />'; $str .= '</div>'; return $str; } /** * Print the relevant form element to define the attributes for this field * viewable by teachers only. * * @global object * @global object * @return void Output is echo'd */ function display_edit_field() { global $CFG, $DB, $OUTPUT; if (empty($this->field)) { // No field has been defined yet, try and make one $this->define_default_field(); } echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthwide'); echo '<form id="editfield" action="'.$CFG->wwwroot.'/mod/data/field.php" method="post">'."\n"; echo '<input type="hidden" name="d" value="'.$this->data->id.'" />'."\n"; if (empty($this->field->id)) { echo '<input type="hidden" name="mode" value="add" />'."\n"; $savebutton = get_string('add'); } else { echo '<input type="hidden" name="fid" value="'.$this->field->id.'" />'."\n"; echo '<input type="hidden" name="mode" value="update" />'."\n"; $savebutton = get_string('savechanges'); } echo '<input type="hidden" name="type" value="'.$this->type.'" />'."\n"; echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />'."\n"; echo $OUTPUT->heading($this->name(), 3); require_once($CFG->dirroot.'/mod/data/field/'.$this->type.'/mod.html'); echo '<div class="mdl-align">'; echo '<input type="submit" class="btn btn-primary" value="'.$savebutton.'" />'."\n"; echo '<input type="submit" class="btn btn-secondary" name="cancel" value="'.get_string('cancel').'" />'."\n"; echo '</div>'; echo '</form>'; echo $OUTPUT->box_end(); } /** * Display the content of the field in browse mode * * @global object * @param int $recordid * @param object $template * @return bool|string */ function display_browse_field($recordid, $template) { global $DB; if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) { if (isset($content->content)) { $options = new stdClass(); if ($this->field->param1 == '1') { // We are autolinking this field, so disable linking within us //$content->content = '<span class="nolink">'.$content->content.'</span>'; //$content->content1 = FORMAT_HTML; $options->filter=false; } $options->para = false; $str = format_text($content->content, $content->content1, $options); } else { $str = ''; } return $str; } return false; } /** * Update the content of one data field in the data_content table * @global object * @param int $recordid * @param mixed $value * @param string $name * @return bool */ function update_content($recordid, $value, $name=''){ global $DB; $content = new stdClass(); $content->fieldid = $this->field->id; $content->recordid = $recordid; $content->content = clean_param($value, PARAM_NOTAGS); if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) { $content->id = $oldcontent->id; return $DB->update_record('data_content', $content); } else { return $DB->insert_record('data_content', $content); } } /** * Delete all content associated with the field * * @global object * @param int $recordid * @return bool */ function delete_content($recordid=0) { global $DB; if ($recordid) { $conditions = array('fieldid'=>$this->field->id, 'recordid'=>$recordid); } else { $conditions = array('fieldid'=>$this->field->id); } $rs = $DB->get_recordset('data_content', $conditions); if ($rs->valid()) { $fs = get_file_storage(); foreach ($rs as $content) { $fs->delete_area_files($this->context->id, 'mod_data', 'content', $content->id); } } $rs->close(); return $DB->delete_records('data_content', $conditions); } /** * Check if a field from an add form is empty * * @param mixed $value * @param mixed $name * @return bool */ function notemptyfield($value, $name) { return !empty($value); } /** * Just in case a field needs to print something before the whole form */ function print_before_form() { } /** * Just in case a field needs to print something after the whole form */ function print_after_form() { } /** * Returns the sortable field for the content. By default, it's just content * but for some plugins, it could be content 1 - content4 * * @return string */ function get_sort_field() { return 'content'; } /** * Returns the SQL needed to refer to the column. Some fields may need to CAST() etc. * * @param string $fieldname * @return string $fieldname */ function get_sort_sql($fieldname) { return $fieldname; } /** * Returns the name/type of the field * * @return string */ function name() { return get_string('fieldtypelabel', "datafield_$this->type"); } /** * Prints the respective type icon * * @global object * @return string */ function image() { global $OUTPUT; $params = array('d'=>$this->data->id, 'fid'=>$this->field->id, 'mode'=>'display', 'sesskey'=>sesskey()); $link = new moodle_url('/mod/data/field.php', $params); $str = '<a href="'.$link->out().'">'; $str .= $OUTPUT->pix_icon('field/' . $this->type, $this->type, 'data'); $str .= '</a>'; return $str; } /** * Per default, it is assumed that fields support text exporting. * Override this (return false) on fields not supporting text exporting. * * @return bool true */ function text_export_supported() { return true; } /** * Per default, return the record's text value only from the "content" field. * Override this in fields class if necesarry. * * @param string $record * @return string */ function export_text_value($record) { if ($this->text_export_supported()) { return $record->content; } } /** * @param string $relativepath * @return bool false */ function file_ok($relativepath) { return false; } /** * Returns the priority for being indexed by globalsearch * * @return int */ public static function get_priority() { return static::$priority; } /** * Returns the presentable string value for a field content. * * The returned string should be plain text. * * @param stdClass $content * @return string */ public static function get_content_value($content) { return trim($content->content, "\r\n "); } /** * Return the plugin configs for external functions, * in some cases the configs will need formatting or be returned only if the current user has some capabilities enabled. * * @return array the list of config parameters * @since Moodle 3.3 */ public function get_config_for_external() { // Return all the field configs to null (maybe there is a private key for a service or something similar there). $configs = []; for ($i = 1; $i <= 10; $i++) { $configs["param$i"] = null; } return $configs; } } /** * Given a template and a dataid, generate a default case template * * @global object * @param object $data * @param string template [addtemplate, singletemplate, listtempalte, rsstemplate] * @param int $recordid * @param bool $form * @param bool $update * @return bool|string */ function data_generate_default_template(&$data, $template, $recordid=0, $form=false, $update=true) { global $DB; if (!$data && !$template) { return false; } if ($template == 'csstemplate' or $template == 'jstemplate' ) { return ''; } // get all the fields for that database if ($fields = $DB->get_records('data_fields', array('dataid'=>$data->id), 'id')) { $table = new html_table(); $table->attributes['class'] = 'mod-data-default-template ##approvalstatusclass##'; $table->colclasses = array('template-field', 'template-token'); $table->data = array(); foreach ($fields as $field) { if ($form) { // Print forms instead of data $fieldobj = data_get_field($field, $data); $token = $fieldobj->display_add_field($recordid, null); } else { // Just print the tag $token = '[['.$field->name.']]'; } $table->data[] = array( $field->name.': ', $token ); } if (core_tag_tag::is_enabled('mod_data', 'data_records')) { $label = new html_table_cell(get_string('tags') . ':'); if ($form) { $cell = data_generate_tag_form(); } else { $cell = new html_table_cell('##tags##'); } $table->data[] = new html_table_row(array($label, $cell)); } if ($template == 'listtemplate') { $cell = new html_table_cell('##edit## ##more## ##delete## ##approve## ##disapprove## ##export##'); $cell->colspan = 2; $cell->attributes['class'] = 'controls'; $table->data[] = new html_table_row(array($cell)); } else if ($template == 'singletemplate') { $cell = new html_table_cell('##edit## ##delete## ##approve## ##disapprove## ##export##'); $cell->colspan = 2; $cell->attributes['class'] = 'controls'; $table->data[] = new html_table_row(array($cell)); } else if ($template == 'asearchtemplate') { $row = new html_table_row(array(get_string('authorfirstname', 'data').': ', '##firstname##')); $row->attributes['class'] = 'searchcontrols'; $table->data[] = $row; $row = new html_table_row(array(get_string('authorlastname', 'data').': ', '##lastname##')); $row->attributes['class'] = 'searchcontrols'; $table->data[] = $row; } $str = ''; if ($template == 'listtemplate'){ $str .= '##delcheck##'; $str .= html_writer::empty_tag('br'); } $str .= html_writer::start_tag('div', array('class' => 'defaulttemplate')); $str .= html_writer::table($table); $str .= html_writer::end_tag('div'); if ($template == 'listtemplate'){ $str .= html_writer::empty_tag('hr'); } if ($update) { $newdata = new stdClass(); $newdata->id = $data->id; $newdata->{$template} = $str; $DB->update_record('data', $newdata); $data->{$template} = $str; } return $str; } } /** * Build the form elements to manage tags for a record. * * @param int|bool $recordid * @param string[] $selected raw tag names * @return string */ function data_generate_tag_form($recordid = false, $selected = []) { global $CFG, $DB, $OUTPUT, $PAGE; $tagtypestoshow = \core_tag_area::get_showstandard('mod_data', 'data_records'); $showstandard = ($tagtypestoshow != core_tag_tag::HIDE_STANDARD); $typenewtags = ($tagtypestoshow != core_tag_tag::STANDARD_ONLY); $str = html_writer::start_tag('div', array('class' => 'datatagcontrol')); $namefield = empty($CFG->keeptagnamecase) ? 'name' : 'rawname'; $tagcollid = \core_tag_area::get_collection('mod_data', 'data_records'); $tags = []; $selectedtags = []; if ($showstandard) { $tags += $DB->get_records_menu('tag', array('isstandard' => 1, 'tagcollid' => $tagcollid), $namefield, 'id,' . $namefield . ' as fieldname'); } if ($recordid) { $selectedtags += core_tag_tag::get_item_tags_array('mod_data', 'data_records', $recordid); } if (!empty($selected)) { list($sql, $params) = $DB->get_in_or_equal($selected, SQL_PARAMS_NAMED); $params['tagcollid'] = $tagcollid; $sql = "SELECT id, $namefield FROM {tag} WHERE tagcollid = :tagcollid AND rawname $sql"; $selectedtags += $DB->get_records_sql_menu($sql, $params); } $tags += $selectedtags; $str .= '<select class="custom-select" name="tags[]" id="tags" multiple>'; foreach ($tags as $tagid => $tag) { $selected = key_exists($tagid, $selectedtags) ? 'selected' : ''; $str .= "<option value='$tag' $selected>$tag</option>"; } $str .= '</select>'; if (has_capability('moodle/tag:manage', context_system::instance()) && $showstandard) { $url = new moodle_url('/tag/manage.php', array('tc' => core_tag_area::get_collection('mod_data', 'data_records'))); $str .= ' ' . $OUTPUT->action_link($url, get_string('managestandardtags', 'tag')); } $PAGE->requires->js_call_amd('core/form-autocomplete', 'enhance', $params = array( '#tags', $typenewtags, '', get_string('entertags', 'tag'), false, $showstandard, get_string('noselection', 'form') ) ); $str .= html_writer::end_tag('div'); return $str; } /** * Search for a field name and replaces it with another one in all the * form templates. Set $newfieldname as '' if you want to delete the * field from the form. * * @global object * @param object $data * @param string $searchfieldname * @param string $newfieldname * @return bool */ function data_replace_field_in_templates($data, $searchfieldname, $newfieldname) { global $DB; if (!empty($newfieldname)) { $prestring = '[['; $poststring = ']]'; $idpart = '#id'; } else { $prestring = ''; $poststring = ''; $idpart = ''; } $newdata = new stdClass(); $newdata->id = $data->id; $newdata->singletemplate = str_ireplace('[['.$searchfieldname.']]', $prestring.$newfieldname.$poststring, $data->singletemplate); $newdata->listtemplate = str_ireplace('[['.$searchfieldname.']]', $prestring.$newfieldname.$poststring, $data->listtemplate); $newdata->addtemplate = str_ireplace('[['.$searchfieldname.']]', $prestring.$newfieldname.$poststring, $data->addtemplate); $newdata->addtemplate = str_ireplace('[['.$searchfieldname.'#id]]', $prestring.$newfieldname.$idpart.$poststring, $data->addtemplate); $newdata->rsstemplate = str_ireplace('[['.$searchfieldname.']]', $prestring.$newfieldname.$poststring, $data->rsstemplate); return $DB->update_record('data', $newdata); } /** * Appends a new field at the end of the form template. * * @global object * @param object $data * @param string $newfieldname */ function data_append_new_field_to_templates($data, $newfieldname) { global $DB; $newdata = new stdClass(); $newdata->id = $data->id; $change = false; if (!empty($data->singletemplate)) { $newdata->singletemplate = $data->singletemplate.' [[' . $newfieldname .']]'; $change = true; } if (!empty($data->addtemplate)) { $newdata->addtemplate = $data->addtemplate.' [[' . $newfieldname . ']]'; $change = true; } if (!empty($data->rsstemplate)) { $newdata->rsstemplate = $data->singletemplate.' [[' . $newfieldname . ']]'; $change = true; } if ($change) { $DB->update_record('data', $newdata); } } /** * given a field name * this function creates an instance of the particular subfield class * * @global object * @param string $name * @param object $data * @return object|bool */ function data_get_field_from_name($name, $data){ global $DB; $field = $DB->get_record('data_fields', array('name'=>$name, 'dataid'=>$data->id)); if ($field) { return data_get_field($field, $data); } else { return false; } } /** * given a field id * this function creates an instance of the particular subfield class * * @global object * @param int $fieldid * @param object $data * @return bool|object */ function data_get_field_from_id($fieldid, $data){ global $DB; $field = $DB->get_record('data_fields', array('id'=>$fieldid, 'dataid'=>$data->id)); if ($field) { return data_get_field($field, $data); } else { return false; } } /** * given a field id * this function creates an instance of the particular subfield class * * @global object * @param string $type * @param object $data * @return object */ function data_get_field_new($type, $data) { global $CFG; require_once($CFG->dirroot.'/mod/data/field/'.$type.'/field.class.php'); $newfield = 'data_field_'.$type; $newfield = new $newfield(0, $data); return $newfield; } /** * returns a subclass field object given a record of the field, used to * invoke plugin methods * input: $param $field - record from db * * @global object * @param object $field * @param object $data * @param object $cm * @return object */ function data_get_field($field, $data, $cm=null) { global $CFG; if ($field) { require_once('field/'.$field->type.'/field.class.php'); $newfield = 'data_field_'.$field->type; $newfield = new $newfield($field, $data, $cm); return $newfield; } } /** * Given record object (or id), returns true if the record belongs to the current user * * @global object * @global object * @param mixed $record record object or id * @return bool */ function data_isowner($record) { global $USER, $DB; if (!isloggedin()) { // perf shortcut return false; } if (!is_object($record)) { if (!$record = $DB->get_record('data_records', array('id'=>$record))) { return false; } } return ($record->userid == $USER->id); } /** * has a user reached the max number of entries? * * @param object $data * @return bool */ function data_atmaxentries($data){ if (!$data->maxentries){ return false; } else { return (data_numentries($data) >= $data->maxentries); } } /** * returns the number of entries already made by this user * * @global object * @global object * @param object $data * @return int */ function data_numentries($data, $userid=null) { global $USER, $DB; if ($userid === null) { $userid = $USER->id; } $sql = 'SELECT COUNT(*) FROM {data_records} WHERE dataid=? AND userid=?'; return $DB->count_records_sql($sql, array($data->id, $userid)); } /** * function that takes in a dataid and adds a record * this is used everytime an add template is submitted * * @global object * @global object * @param object $data * @param int $groupid * @param int $userid * @return bool */ function data_add_record($data, $groupid = 0, $userid = null) { global $USER, $DB; $cm = get_coursemodule_from_instance('data', $data->id); $context = context_module::instance($cm->id); $record = new stdClass(); $record->userid = $userid ?? $USER->id; $record->dataid = $data->id; $record->groupid = $groupid; $record->timecreated = $record->timemodified = time(); if (has_capability('mod/data:approve', $context)) { $record->approved = 1; } else { $record->approved = 0; } $record->id = $DB->insert_record('data_records', $record); // Trigger an event for creating this record. $event = \mod_data\event\record_created::create(array( 'objectid' => $record->id, 'context' => $context, 'other' => array( 'dataid' => $data->id ) )); $event->trigger(); $course = get_course($cm->course); data_update_completion_state($data, $course, $cm); return $record->id; } /** * check the multple existence any tag in a template * * check to see if there are 2 or more of the same tag being used. * * @global object * @param int $dataid, * @param string $template * @return bool */ function data_tags_check($dataid, $template) { global $DB, $OUTPUT; // first get all the possible tags $fields = $DB->get_records('data_fields', array('dataid'=>$dataid)); // then we generate strings to replace $tagsok = true; // let's be optimistic foreach ($fields as $field){ $pattern="/\[\[" . preg_quote($field->name, '/') . "\]\]/i"; if (preg_match_all($pattern, $template, $dummy)>1){ $tagsok = false; echo $OUTPUT->notification('[['.$field->name.']] - '.get_string('multipletags','data')); } } // else return true return $tagsok; } /** * Adds an instance of a data * * @param stdClass $data * @param mod_data_mod_form $mform * @return int intance id */ function data_add_instance($data, $mform = null) { global $DB, $CFG; require_once($CFG->dirroot.'/mod/data/locallib.php'); if (empty($data->assessed)) { $data->assessed = 0; } if (empty($data->ratingtime) || empty($data->assessed)) { $data->assesstimestart = 0; $data->assesstimefinish = 0; } $data->timemodified = time(); $data->id = $DB->insert_record('data', $data); // Add calendar events if necessary. data_set_events($data); if (!empty($data->completionexpected)) { \core_completion\api::update_completion_date_event($data->coursemodule, 'data', $data->id, $data->completionexpected); } data_grade_item_update($data); return $data->id; } /** * updates an instance of a data * * @global object * @param object $data * @return bool */ function data_update_instance($data) { global $DB, $CFG; require_once($CFG->dirroot.'/mod/data/locallib.php'); $data->timemodified = time(); $data->id = $data->instance; if (empty($data->assessed)) { $data->assessed = 0; } if (empty($data->ratingtime) or empty($data->assessed)) { $data->assesstimestart = 0; $data->assesstimefinish = 0; } if (empty($data->notification)) { $data->notification = 0; } $DB->update_record('data', $data); // Add calendar events if necessary. data_set_events($data); $completionexpected = (!empty($data->completionexpected)) ? $data->completionexpected : null; \core_completion\api::update_completion_date_event($data->coursemodule, 'data', $data->id, $completionexpected); data_grade_item_update($data); return true; } /** * deletes an instance of a data * * @global object * @param int $id * @return bool */ function data_delete_instance($id) { // takes the dataid global $DB, $CFG; if (!$data = $DB->get_record('data', array('id'=>$id))) { return false; } $cm = get_coursemodule_from_instance('data', $data->id); $context = context_module::instance($cm->id); /// Delete all the associated information // files $fs = get_file_storage(); $fs->delete_area_files($context->id, 'mod_data'); // get all the records in this data $sql = "SELECT r.id FROM {data_records} r WHERE r.dataid = ?"; $DB->delete_records_select('data_content', "recordid IN ($sql)", array($id)); // delete all the records and fields $DB->delete_records('data_records', array('dataid'=>$id)); $DB->delete_records('data_fields', array('dataid'=>$id)); // Remove old calendar events. $events = $DB->get_records('event', array('modulename' => 'data', 'instance' => $id)); foreach ($events as $event) { $event = calendar_event::load($event); $event->delete(); } // cleanup gradebook data_grade_item_delete($data); // Delete the instance itself // We must delete the module record after we delete the grade item. $result = $DB->delete_records('data', array('id'=>$id)); return $result; } /** * returns a summary of data activity of this user * * @global object * @param object $course * @param object $user * @param object $mod * @param object $data * @return object|null */ function data_user_outline($course, $user, $mod, $data) { global $DB, $CFG; require_once("$CFG->libdir/gradelib.php"); $grades = grade_get_grades($course->id, 'mod', 'data', $data->id, $user->id); if (empty($grades->items[0]->grades)) { $grade = false; } else { $grade = reset($grades->items[0]->grades); } if ($countrecords = $DB->count_records('data_records', array('dataid'=>$data->id, 'userid'=>$user->id))) { $result = new stdClass(); $result->info = get_string('numrecords', 'data', $countrecords); $lastrecord = $DB->get_record_sql('SELECT id,timemodified FROM {data_records} WHERE dataid = ? AND userid = ? ORDER BY timemodified DESC', array($data->id, $user->id), true); $result->time = $lastrecord->timemodified; if ($grade) { if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) { $result->info .= ', ' . get_string('grade') . ': ' . $grade->str_long_grade; } else { $result->info = get_string('grade') . ': ' . get_string('hidden', 'grades'); } } return $result; } else if ($grade) { $result = (object) [ 'time' => grade_get_date_for_user_grade($grade, $user), ]; if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) { $result->info = get_string('grade') . ': ' . $grade->str_long_grade; } else { $result->info = get_string('grade') . ': ' . get_string('hidden', 'grades'); } return $result; } return NULL; } /** * Prints all the records uploaded by this user * * @global object * @param object $course * @param object $user * @param object $mod * @param object $data */ function data_user_complete($course, $user, $mod, $data) { global $DB, $CFG, $OUTPUT; require_once("$CFG->libdir/gradelib.php"); $grades = grade_get_grades($course->id, 'mod', 'data', $data->id, $user->id); if (!empty($grades->items[0]->grades)) { $grade = reset($grades->items[0]->grades); if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) { echo $OUTPUT->container(get_string('grade').': '.$grade->str_long_grade); if ($grade->str_feedback) { echo $OUTPUT->container(get_string('feedback').': '.$grade->str_feedback); } } else { echo $OUTPUT->container(get_string('grade') . ': ' . get_string('hidden', 'grades')); } } if ($records = $DB->get_records('data_records', array('dataid'=>$data->id,'userid'=>$user->id), 'timemodified DESC')) { data_print_template('singletemplate', $records, $data); } } /** * Return grade for given user or all users. * * @global object * @param object $data * @param int $userid optional user id, 0 means all users * @return array array of grades, false if none */ function data_get_user_grades($data, $userid=0) { global $CFG; require_once($CFG->dirroot.'/rating/lib.php'); $ratingoptions = new stdClass; $ratingoptions->component = 'mod_data'; $ratingoptions->ratingarea = 'entry'; $ratingoptions->modulename = 'data'; $ratingoptions->moduleid = $data->id; $ratingoptions->userid = $userid; $ratingoptions->aggregationmethod = $data->assessed; $ratingoptions->scaleid = $data->scale; $ratingoptions->itemtable = 'data_records'; $ratingoptions->itemtableusercolumn = 'userid'; $rm = new rating_manager(); return $rm->get_user_grades($ratingoptions); } /** * Update activity grades * * @category grade * @param object $data * @param int $userid specific user only, 0 means all * @param bool $nullifnone */ function data_update_grades($data, $userid=0, $nullifnone=true) { global $CFG, $DB; require_once($CFG->libdir.'/gradelib.php'); if (!$data->assessed) { data_grade_item_update($data); } else if ($grades = data_get_user_grades($data, $userid)) { data_grade_item_update($data, $grades); } else if ($userid and $nullifnone) { $grade = new stdClass(); $grade->userid = $userid; $grade->rawgrade = NULL; data_grade_item_update($data, $grade); } else { data_grade_item_update($data); } } /** * Update/create grade item for given data * * @category grade * @param stdClass $data A database instance with extra cmidnumber property * @param mixed $grades Optional array/object of grade(s); 'reset' means reset grades in gradebook * @return object grade_item */ function data_grade_item_update($data, $grades=NULL) { global $CFG; require_once($CFG->libdir.'/gradelib.php'); $params = array('itemname'=>$data->name, 'idnumber'=>$data->cmidnumber); if (!$data->assessed or $data->scale == 0) { $params['gradetype'] = GRADE_TYPE_NONE; } else if ($data->scale > 0) { $params['gradetype'] = GRADE_TYPE_VALUE; $params['grademax'] = $data->scale; $params['grademin'] = 0; } else if ($data->scale < 0) { $params['gradetype'] = GRADE_TYPE_SCALE; $params['scaleid'] = -$data->scale; } if ($grades === 'reset') { $params['reset'] = true; $grades = NULL; } return grade_update('mod/data', $data->course, 'mod', 'data', $data->id, 0, $grades, $params); } /** * Delete grade item for given data * * @category grade * @param object $data object * @return object grade_item */ function data_grade_item_delete($data) { global $CFG; require_once($CFG->libdir.'/gradelib.php'); return grade_update('mod/data', $data->course, 'mod', 'data', $data->id, 0, NULL, array('deleted'=>1)); } // junk functions /** * takes a list of records, the current data, a search string, * and mode to display prints the translated template * * @global object * @global object * @param string $template * @param array $records * @param object $data * @param string $search * @param int $page * @param bool $return * @param object $jumpurl a moodle_url by which to jump back to the record list (can be null) * @return mixed */ function data_print_template($template, $records, $data, $search='', $page=0, $return=false, moodle_url $jumpurl=null) { global $CFG, $DB, $OUTPUT; $cm = get_coursemodule_from_instance('data', $data->id); $context = context_module::instance($cm->id); static $fields = array(); static $dataid = null; if (empty($dataid)) { $dataid = $data->id; } else if ($dataid != $data->id) { $fields = array(); } if (empty($fields)) { $fieldrecords = $DB->get_records('data_fields', array('dataid'=>$data->id)); foreach ($fieldrecords as $fieldrecord) { $fields[]= data_get_field($fieldrecord, $data); } } if (empty($records)) { return; } if (!$jumpurl) { $jumpurl = new moodle_url('/mod/data/view.php', array('d' => $data->id)); } $jumpurl = new moodle_url($jumpurl, array('page' => $page, 'sesskey' => sesskey())); foreach ($records as $record) { // Might be just one for the single template // Replacing tags $patterns = array(); $replacement = array(); // Then we generate strings to replace for normal tags foreach ($fields as $field) { $patterns[]='[['.$field->field->name.']]'; $replacement[] = highlight($search, $field->display_browse_field($record->id, $template)); } $canmanageentries = has_capability('mod/data:manageentries', $context); // Replacing special tags (##Edit##, ##Delete##, ##More##) $patterns[]='##edit##'; $patterns[]='##delete##'; if (data_user_can_manage_entry($record, $data, $context)) { $replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/edit.php?d=' .$data->id.'&rid='.$record->id.'&sesskey='.sesskey().'">' . $OUTPUT->pix_icon('t/edit', get_string('edit')) . '</a>'; $replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/view.php?d=' .$data->id.'&delete='.$record->id.'&sesskey='.sesskey().'">' . $OUTPUT->pix_icon('t/delete', get_string('delete')) . '</a>'; } else { $replacement[] = ''; $replacement[] = ''; } $moreurl = $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&rid=' . $record->id; if ($search) { $moreurl .= '&filter=1'; } $patterns[]='##more##'; $replacement[] = '<a href="'.$moreurl.'">' . $OUTPUT->pix_icon('t/preview', get_string('more', 'data')) . '</a>'; $patterns[]='##moreurl##'; $replacement[] = $moreurl; $patterns[]='##delcheck##'; if ($canmanageentries) { $checkbox = new \core\output\checkbox_toggleall('listview-entries', false, [ 'id' => "entry_{$record->id}", 'name' => 'delcheck[]', 'classes' => 'recordcheckbox', 'value' => $record->id, ]); $replacement[] = $OUTPUT->render($checkbox); } else { $replacement[] = ''; } $patterns[]='##user##'; $replacement[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$record->userid. '&course='.$data->course.'">'.fullname($record).'</a>'; $patterns[] = '##userpicture##'; $ruser = user_picture::unalias($record, null, 'userid'); // If the record didn't come with user data, retrieve the user from database. if (!isset($ruser->picture)) { $ruser = core_user::get_user($record->userid); } $replacement[] = $OUTPUT->user_picture($ruser, array('courseid' => $data->course)); $patterns[]='##export##'; if (!empty($CFG->enableportfolios) && ($template == 'singletemplate' || $template == 'listtemplate') && ((has_capability('mod/data:exportentry', $context) || (data_isowner($record->id) && has_capability('mod/data:exportownentry', $context))))) { require_once($CFG->libdir . '/portfoliolib.php'); $button = new portfolio_add_button(); $button->set_callback_options('data_portfolio_caller', array('id' => $cm->id, 'recordid' => $record->id), 'mod_data'); list($formats, $files) = data_portfolio_caller::formats($fields, $record); $button->set_formats($formats); $replacement[] = $button->to_html(PORTFOLIO_ADD_ICON_LINK); } else { $replacement[] = ''; } $patterns[] = '##timeadded##'; $replacement[] = userdate($record->timecreated); $patterns[] = '##timemodified##'; $replacement [] = userdate($record->timemodified); $patterns[]='##approve##'; if (has_capability('mod/data:approve', $context) && ($data->approval) && (!$record->approved)) { $approveurl = new moodle_url($jumpurl, array('approve' => $record->id)); $approveicon = new pix_icon('t/approve', get_string('approve', 'data'), '', array('class' => 'iconsmall')); $replacement[] = html_writer::tag('span', $OUTPUT->action_icon($approveurl, $approveicon), array('class' => 'approve')); } else { $replacement[] = ''; } $patterns[]='##disapprove##'; if (has_capability('mod/data:approve', $context) && ($data->approval) && ($record->approved)) { $disapproveurl = new moodle_url($jumpurl, array('disapprove' => $record->id)); $disapproveicon = new pix_icon('t/block', get_string('disapprove', 'data'), '', array('class' => 'iconsmall')); $replacement[] = html_writer::tag('span', $OUTPUT->action_icon($disapproveurl, $disapproveicon), array('class' => 'disapprove')); } else { $replacement[] = ''; } $patterns[] = '##approvalstatus##'; $patterns[] = '##approvalstatusclass##'; if (!$data->approval) { $replacement[] = ''; $replacement[] = ''; } else if ($record->approved) { $replacement[] = get_string('approved', 'data'); $replacement[] = 'approved'; } else { $replacement[] = get_string('notapproved', 'data'); $replacement[] = 'notapproved'; } $patterns[]='##comments##'; if (($template == 'listtemplate') && ($data->comments)) { if (!empty($CFG->usecomments)) { require_once($CFG->dirroot . '/comment/lib.php'); list($context, $course, $cm) = get_context_info_array($context->id); $cmt = new stdClass(); $cmt->context = $context; $cmt->course = $course; $cmt->cm = $cm; $cmt->area = 'database_entry'; $cmt->itemid = $record->id; $cmt->showcount = true; $cmt->component = 'mod_data'; $comment = new comment($cmt); $replacement[] = $comment->output(true); } } else { $replacement[] = ''; } if (core_tag_tag::is_enabled('mod_data', 'data_records')) { $patterns[] = "##tags##"; $replacement[] = $OUTPUT->tag_list( core_tag_tag::get_item_tags('mod_data', 'data_records', $record->id), '', 'data-tags'); } // actual replacement of the tags $newtext = str_ireplace($patterns, $replacement, $data->{$template}); // no more html formatting and filtering - see MDL-6635 if ($return) { return $newtext; } else { echo $newtext; // hack alert - return is always false in singletemplate anyway ;-) /********************************** * Printing Ratings Form * *********************************/ if ($template == 'singletemplate') { //prints ratings options data_print_ratings($data, $record); } /********************************** * Printing Comments Form * *********************************/ if (($template == 'singletemplate') && ($data->comments)) { if (!empty($CFG->usecomments)) { require_once($CFG->dirroot . '/comment/lib.php'); list($context, $course, $cm) = get_context_info_array($context->id); $cmt = new stdClass(); $cmt->context = $context; $cmt->course = $course; $cmt->cm = $cm; $cmt->area = 'database_entry'; $cmt->itemid = $record->id; $cmt->showcount = true; $cmt->component = 'mod_data'; $comment = new comment($cmt); $comment->output(false); } } } } } /** * Return rating related permissions * * @param string $contextid the context id * @param string $component the component to get rating permissions for * @param string $ratingarea the rating area to get permissions for * @return array an associative array of the user's rating permissions */ function data_rating_permissions($contextid, $component, $ratingarea) { $context = context::instance_by_id($contextid, MUST_EXIST); if ($component != 'mod_data' || $ratingarea != 'entry') { return null; } return array( 'view' => has_capability('mod/data:viewrating',$context), 'viewany' => has_capability('mod/data:viewanyrating',$context), 'viewall' => has_capability('mod/data:viewallratings',$context), 'rate' => has_capability('mod/data:rate',$context) ); } /** * Validates a submitted rating * @param array $params submitted data * context => object the context in which the rated items exists [required] * itemid => int the ID of the object being rated * scaleid => int the scale from which the user can select a rating. Used for bounds checking. [required] * rating => int the submitted rating * rateduserid => int the id of the user whose items have been rated. NOT the user who submitted the ratings. 0 to update all. [required] * aggregation => int the aggregation method to apply when calculating grades ie RATING_AGGREGATE_AVERAGE [required] * @return boolean true if the rating is valid. Will throw rating_exception if not */ function data_rating_validate($params) { global $DB, $USER; // Check the component is mod_data if ($params['component'] != 'mod_data') { throw new rating_exception('invalidcomponent'); } // Check the ratingarea is entry (the only rating area in data module) if ($params['ratingarea'] != 'entry') { throw new rating_exception('invalidratingarea'); } // Check the rateduserid is not the current user .. you can't rate your own entries if ($params['rateduserid'] == $USER->id) { throw new rating_exception('nopermissiontorate'); } $datasql = "SELECT d.id as dataid, d.scale, d.course, r.userid as userid, d.approval, r.approved, r.timecreated, d.assesstimestart, d.assesstimefinish, r.groupid FROM {data_records} r JOIN {data} d ON r.dataid = d.id WHERE r.id = :itemid"; $dataparams = array('itemid'=>$params['itemid']); if (!$info = $DB->get_record_sql($datasql, $dataparams)) { //item doesn't exist throw new rating_exception('invaliditemid'); } if ($info->scale != $params['scaleid']) { //the scale being submitted doesnt match the one in the database throw new rating_exception('invalidscaleid'); } //check that the submitted rating is valid for the scale // lower limit if ($params['rating'] < 0 && $params['rating'] != RATING_UNSET_RATING) { throw new rating_exception('invalidnum'); } // upper limit if ($info->scale < 0) { //its a custom scale $scalerecord = $DB->get_record('scale', array('id' => -$info->scale)); if ($scalerecord) { $scalearray = explode(',', $scalerecord->scale); if ($params['rating'] > count($scalearray)) { throw new rating_exception('invalidnum'); } } else { throw new rating_exception('invalidscaleid'); } } else if ($params['rating'] > $info->scale) { //if its numeric and submitted rating is above maximum throw new rating_exception('invalidnum'); } if ($info->approval && !$info->approved) { //database requires approval but this item isnt approved throw new rating_exception('nopermissiontorate'); } // check the item we're rating was created in the assessable time window if (!empty($info->assesstimestart) && !empty($info->assesstimefinish)) { if ($info->timecreated < $info->assesstimestart || $info->timecreated > $info->assesstimefinish) { throw new rating_exception('notavailable'); } } $course = $DB->get_record('course', array('id'=>$info->course), '*', MUST_EXIST); $cm = get_coursemodule_from_instance('data', $info->dataid, $course->id, false, MUST_EXIST); $context = context_module::instance($cm->id); // if the supplied context doesnt match the item's context if ($context->id != $params['context']->id) { throw new rating_exception('invalidcontext'); } // Make sure groups allow this user to see the item they're rating $groupid = $info->groupid; if ($groupid > 0 and $groupmode = groups_get_activity_groupmode($cm, $course)) { // Groups are being used if (!groups_group_exists($groupid)) { // Can't find group throw new rating_exception('cannotfindgroup');//something is wrong } if (!groups_is_member($groupid) and !has_capability('moodle/site:accessallgroups', $context)) { // do not allow rating of posts from other groups when in SEPARATEGROUPS or VISIBLEGROUPS throw new rating_exception('notmemberofgroup'); } } return true; } /** * Can the current user see ratings for a given itemid? * * @param array $params submitted data * contextid => int contextid [required] * component => The component for this module - should always be mod_data [required] * ratingarea => object the context in which the rated items exists [required] * itemid => int the ID of the object being rated [required] * scaleid => int scale id [optional] * @return bool * @throws coding_exception * @throws rating_exception */ function mod_data_rating_can_see_item_ratings($params) { global $DB; // Check the component is mod_data. if (!isset($params['component']) || $params['component'] != 'mod_data') { throw new rating_exception('invalidcomponent'); } // Check the ratingarea is entry (the only rating area in data). if (!isset($params['ratingarea']) || $params['ratingarea'] != 'entry') { throw new rating_exception('invalidratingarea'); } if (!isset($params['itemid'])) { throw new rating_exception('invaliditemid'); } $datasql = "SELECT d.id as dataid, d.course, r.groupid FROM {data_records} r JOIN {data} d ON r.dataid = d.id WHERE r.id = :itemid"; $dataparams = array('itemid' => $params['itemid']); if (!$info = $DB->get_record_sql($datasql, $dataparams)) { // Item doesn't exist. throw new rating_exception('invaliditemid'); } // User can see ratings of all participants. if ($info->groupid == 0) { return true; } $course = $DB->get_record('course', array('id' => $info->course), '*', MUST_EXIST); $cm = get_coursemodule_from_instance('data', $info->dataid, $course->id, false, MUST_EXIST); // Make sure groups allow this user to see the item they're rating. return groups_group_visible($info->groupid, $course, $cm); } /** * function that takes in the current data, number of items per page, * a search string and prints a preference box in view.php * * This preference box prints a searchable advanced search template if * a) A template is defined * b) The advanced search checkbox is checked. * * @global object * @global object * @param object $data * @param int $perpage * @param string $search * @param string $sort * @param string $order * @param array $search_array * @param int $advanced * @param string $mode * @return void */ function data_print_preference_form($data, $perpage, $search, $sort='', $order='ASC', $search_array = '', $advanced = 0, $mode= ''){ global $CFG, $DB, $PAGE, $OUTPUT; $cm = get_coursemodule_from_instance('data', $data->id); $context = context_module::instance($cm->id); echo '<br /><div class="datapreferences">'; echo '<form id="options" action="view.php" method="get">'; echo '<div>'; echo '<input type="hidden" name="d" value="'.$data->id.'" />'; if ($mode =='asearch') { $advanced = 1; echo '<input type="hidden" name="mode" value="list" />'; } echo '<label for="pref_perpage">'.get_string('pagesize','data').'</label> '; $pagesizes = array(2=>2,3=>3,4=>4,5=>5,6=>6,7=>7,8=>8,9=>9,10=>10,15=>15, 20=>20,30=>30,40=>40,50=>50,100=>100,200=>200,300=>300,400=>400,500=>500,1000=>1000); echo html_writer::select($pagesizes, 'perpage', $perpage, false, array('id' => 'pref_perpage', 'class' => 'custom-select')); if ($advanced) { $regsearchclass = 'search_none'; $advancedsearchclass = 'search_inline'; } else { $regsearchclass = 'search_inline'; $advancedsearchclass = 'search_none'; } echo '<div id="reg_search" class="' . $regsearchclass . ' form-inline" > '; echo '<label for="pref_search">' . get_string('search') . '</label> <input type="text" ' . 'class="form-control" size="16" name="search" id= "pref_search" value="' . s($search) . '" /></div>'; echo ' <label for="pref_sortby">'.get_string('sortby').'</label> '; // foreach field, print the option echo '<select name="sort" id="pref_sortby" class="custom-select mr-1">'; if ($fields = $DB->get_records('data_fields', array('dataid'=>$data->id), 'name')) { echo '<optgroup label="'.get_string('fields', 'data').'">'; foreach ($fields as $field) { if ($field->id == $sort) { echo '<option value="'.$field->id.'" selected="selected">'.$field->name.'</option>'; } else { echo '<option value="'.$field->id.'">'.$field->name.'</option>'; } } echo '</optgroup>'; } $options = array(); $options[DATA_TIMEADDED] = get_string('timeadded', 'data'); $options[DATA_TIMEMODIFIED] = get_string('timemodified', 'data'); $options[DATA_FIRSTNAME] = get_string('authorfirstname', 'data'); $options[DATA_LASTNAME] = get_string('authorlastname', 'data'); if ($data->approval and has_capability('mod/data:approve', $context)) { $options[DATA_APPROVED] = get_string('approved', 'data'); } echo '<optgroup label="'.get_string('other', 'data').'">'; foreach ($options as $key => $name) { if ($key == $sort) { echo '<option value="'.$key.'" selected="selected">'.$name.'</option>'; } else { echo '<option value="'.$key.'">'.$name.'</option>'; } } echo '</optgroup>'; echo '</select>'; echo '<label for="pref_order" class="accesshide">'.get_string('order').'</label>'; echo '<select id="pref_order" name="order" class="custom-select mr-1">'; if ($order == 'ASC') { echo '<option value="ASC" selected="selected">'.get_string('ascending','data').'</option>'; } else { echo '<option value="ASC">'.get_string('ascending','data').'</option>'; } if ($order == 'DESC') { echo '<option value="DESC" selected="selected">'.get_string('descending','data').'</option>'; } else { echo '<option value="DESC">'.get_string('descending','data').'</option>'; } echo '</select>'; if ($advanced) { $checked = ' checked="checked" '; } else { $checked = ''; } $PAGE->requires->js('/mod/data/data.js'); echo ' <input type="hidden" name="advanced" value="0" />'; echo ' <input type="hidden" name="filter" value="1" />'; echo ' <input type="checkbox" id="advancedcheckbox" name="advanced" value="1" ' . $checked . ' ' . 'onchange="showHideAdvSearch(this.checked);" class="mx-1" />' . '<label for="advancedcheckbox">' . get_string('advancedsearch', 'data') . '</label>'; echo ' <input type="submit" class="btn btn-secondary" value="' . get_string('savesettings', 'data') . '" />'; echo '<br />'; echo '<div class="' . $advancedsearchclass . '" id="data_adv_form">'; echo '<table class="boxaligncenter">'; // print ASC or DESC echo '<tr><td colspan="2"> </td></tr>'; $i = 0; // Determine if we are printing all fields for advanced search, or the template for advanced search // If a template is not defined, use the deafault template and display all fields. if(empty($data->asearchtemplate)) { data_generate_default_template($data, 'asearchtemplate'); } static $fields = array(); static $dataid = null; if (empty($dataid)) { $dataid = $data->id; } else if ($dataid != $data->id) { $fields = array(); } if (empty($fields)) { $fieldrecords = $DB->get_records('data_fields', array('dataid'=>$data->id)); foreach ($fieldrecords as $fieldrecord) { $fields[]= data_get_field($fieldrecord, $data); } } // Replacing tags $patterns = array(); $replacement = array(); // Then we generate strings to replace for normal tags foreach ($fields as $field) { $fieldname = $field->field->name; $fieldname = preg_quote($fieldname, '/'); $patterns[] = "/\[\[$fieldname\]\]/i"; $searchfield = data_get_field_from_id($field->field->id, $data); if (!empty($search_array[$field->field->id]->data)) { $replacement[] = $searchfield->display_search_field($search_array[$field->field->id]->data); } else { $replacement[] = $searchfield->display_search_field(); } } $fn = !empty($search_array[DATA_FIRSTNAME]->data) ? $search_array[DATA_FIRSTNAME]->data : ''; $ln = !empty($search_array[DATA_LASTNAME]->data) ? $search_array[DATA_LASTNAME]->data : ''; $patterns[] = '/##firstname##/'; $replacement[] = '<label class="accesshide" for="u_fn">' . get_string('authorfirstname', 'data') . '</label>' . '<input type="text" class="form-control" size="16" id="u_fn" name="u_fn" value="' . s($fn) . '" />'; $patterns[] = '/##lastname##/'; $replacement[] = '<label class="accesshide" for="u_ln">' . get_string('authorlastname', 'data') . '</label>' . '<input type="text" class="form-control" size="16" id="u_ln" name="u_ln" value="' . s($ln) . '" />'; if (core_tag_tag::is_enabled('mod_data', 'data_records')) { $patterns[] = "/##tags##/"; $selectedtags = isset($search_array[DATA_TAGS]->rawtagnames) ? $search_array[DATA_TAGS]->rawtagnames : []; $replacement[] = data_generate_tag_form(false, $selectedtags); } // actual replacement of the tags $options = new stdClass(); $options->para=false; $options->noclean=true; echo '<tr><td>'; echo preg_replace($patterns, $replacement, format_text($data->asearchtemplate, FORMAT_HTML, $options)); echo '</td></tr>'; echo '<tr><td colspan="4"><br/>' . '<input type="submit" class="btn btn-primary mr-1" value="' . get_string('savesettings', 'data') . '" />' . '<input type="submit" class="btn btn-secondary" name="resetadv" value="' . get_string('resetsettings', 'data') . '" />' . '</td></tr>'; echo '</table>'; echo '</div>'; echo '</div>'; echo '</form>'; echo '</div>'; } /** * @global object * @global object * @param object $data * @param object $record * @return void Output echo'd */ function data_print_ratings($data, $record) { global $OUTPUT; if (!empty($record->rating)){ echo $OUTPUT->render($record->rating); } } /** * List the actions that correspond to a view of this module. * This is used by the participation report. * * Note: This is not used by new logging system. Event with * crud = 'r' and edulevel = LEVEL_PARTICIPATING will * be considered as view action. * * @return array */ function data_get_view_actions() { return array('view'); } /** * List the actions that correspond to a post of this module. * This is used by the participation report. * * Note: This is not used by new logging system. Event with * crud = ('c' || 'u' || 'd') and edulevel = LEVEL_PARTICIPATING * will be considered as post action. * * @return array */ function data_get_post_actions() { return array('add','update','record delete'); } /** * @param string $name * @param int $dataid * @param int $fieldid * @return bool */ function data_fieldname_exists($name, $dataid, $fieldid = 0) { global $DB; if (!is_numeric($name)) { $like = $DB->sql_like('df.name', ':name', false); } else { $like = "df.name = :name"; } $params = array('name'=>$name); if ($fieldid) { $params['dataid'] = $dataid; $params['fieldid1'] = $fieldid; $params['fieldid2'] = $fieldid; return $DB->record_exists_sql("SELECT * FROM {data_fields} df WHERE $like AND df.dataid = :dataid AND ((df.id < :fieldid1) OR (df.id > :fieldid2))", $params); } else { $params['dataid'] = $dataid; return $DB->record_exists_sql("SELECT * FROM {data_fields} df WHERE $like AND df.dataid = :dataid", $params); } } /** * @param array $fieldinput */ function data_convert_arrays_to_strings(&$fieldinput) { foreach ($fieldinput as $key => $val) { if (is_array($val)) { $str = ''; foreach ($val as $inner) { $str .= $inner . ','; } $str = substr($str, 0, -1); $fieldinput->$key = $str; } } } /** * Converts a database (module instance) to use the Roles System * * @global object * @global object * @uses CONTEXT_MODULE * @uses CAP_PREVENT * @uses CAP_ALLOW * @param object $data a data object with the same attributes as a record * from the data database table * @param int $datamodid the id of the data module, from the modules table * @param array $teacherroles array of roles that have archetype teacher * @param array $studentroles array of roles that have archetype student * @param array $guestroles array of roles that have archetype guest * @param int $cmid the course_module id for this data instance * @return boolean data module was converted or not */ function data_convert_to_roles($data, $teacherroles=array(), $studentroles=array(), $cmid=NULL) { global $CFG, $DB, $OUTPUT; if (!isset($data->participants) && !isset($data->assesspublic) && !isset($data->groupmode)) { // We assume that this database has already been converted to use the // Roles System. above fields get dropped the data module has been // upgraded to use Roles. return false; } if (empty($cmid)) { // We were not given the course_module id. Try to find it. if (!$cm = get_coursemodule_from_instance('data', $data->id)) { echo $OUTPUT->notification('Could not get the course module for the data'); return false; } else { $cmid = $cm->id; } } $context = context_module::instance($cmid); // $data->participants: // 1 - Only teachers can add entries // 3 - Teachers and students can add entries switch ($data->participants) { case 1: foreach ($studentroles as $studentrole) { assign_capability('mod/data:writeentry', CAP_PREVENT, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:writeentry', CAP_ALLOW, $teacherrole->id, $context->id); } break; case 3: foreach ($studentroles as $studentrole) { assign_capability('mod/data:writeentry', CAP_ALLOW, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:writeentry', CAP_ALLOW, $teacherrole->id, $context->id); } break; } // $data->assessed: // 2 - Only teachers can rate posts // 1 - Everyone can rate posts // 0 - No one can rate posts switch ($data->assessed) { case 0: foreach ($studentroles as $studentrole) { assign_capability('mod/data:rate', CAP_PREVENT, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:rate', CAP_PREVENT, $teacherrole->id, $context->id); } break; case 1: foreach ($studentroles as $studentrole) { assign_capability('mod/data:rate', CAP_ALLOW, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:rate', CAP_ALLOW, $teacherrole->id, $context->id); } break; case 2: foreach ($studentroles as $studentrole) { assign_capability('mod/data:rate', CAP_PREVENT, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:rate', CAP_ALLOW, $teacherrole->id, $context->id); } break; } // $data->assesspublic: // 0 - Students can only see their own ratings // 1 - Students can see everyone's ratings switch ($data->assesspublic) { case 0: foreach ($studentroles as $studentrole) { assign_capability('mod/data:viewrating', CAP_PREVENT, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:viewrating', CAP_ALLOW, $teacherrole->id, $context->id); } break; case 1: foreach ($studentroles as $studentrole) { assign_capability('mod/data:viewrating', CAP_ALLOW, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('mod/data:viewrating', CAP_ALLOW, $teacherrole->id, $context->id); } break; } if (empty($cm)) { $cm = $DB->get_record('course_modules', array('id'=>$cmid)); } switch ($cm->groupmode) { case NOGROUPS: break; case SEPARATEGROUPS: foreach ($studentroles as $studentrole) { assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $teacherrole->id, $context->id); } break; case VISIBLEGROUPS: foreach ($studentroles as $studentrole) { assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $studentrole->id, $context->id); } foreach ($teacherroles as $teacherrole) { assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $teacherrole->id, $context->id); } break; } return true; } /** * Returns the best name to show for a preset * * @param string $shortname * @param string $path * @return string */ function data_preset_name($shortname, $path) { // We are looking inside the preset itself as a first choice, but also in normal data directory $string = get_string('modulename', 'datapreset_'.$shortname); if (substr($string, 0, 1) == '[') { return $shortname; } else { return $string; } } /** * Returns an array of all the available presets. * * @return array */ function data_get_available_presets($context) { global $CFG, $USER; $presets = array(); // First load the ratings sub plugins that exist within the modules preset dir if ($dirs = core_component::get_plugin_list('datapreset')) { foreach ($dirs as $dir=>$fulldir) { if (is_directory_a_preset($fulldir)) { $preset = new stdClass(); $preset->path = $fulldir; $preset->userid = 0; $preset->shortname = $dir; $preset->name = data_preset_name($dir, $fulldir); if (file_exists($fulldir.'/screenshot.jpg')) { $preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.jpg'; } else if (file_exists($fulldir.'/screenshot.png')) { $preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.png'; } else if (file_exists($fulldir.'/screenshot.gif')) { $preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$dir.'/screenshot.gif'; } $presets[] = $preset; } } } // Now add to that the site presets that people have saved $presets = data_get_available_site_presets($context, $presets); return $presets; } /** * Gets an array of all of the presets that users have saved to the site. * * @param stdClass $context The context that we are looking from. * @param array $presets * @return array An array of presets */ function data_get_available_site_presets($context, array $presets=array()) { global $USER; $fs = get_file_storage(); $files = $fs->get_area_files(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA); $canviewall = has_capability('mod/data:viewalluserpresets', $context); if (empty($files)) { return $presets; } foreach ($files as $file) { if (($file->is_directory() && $file->get_filepath()=='/') || !$file->is_directory() || (!$canviewall && $file->get_userid() != $USER->id)) { continue; } $preset = new stdClass; $preset->path = $file->get_filepath(); $preset->name = trim($preset->path, '/'); $preset->shortname = $preset->name; $preset->userid = $file->get_userid(); $preset->id = $file->get_id(); $preset->storedfile = $file; $presets[] = $preset; } return $presets; } /** * Deletes a saved preset. * * @param string $name * @return bool */ function data_delete_site_preset($name) { $fs = get_file_storage(); $files = $fs->get_directory_files(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA, 0, '/'.$name.'/'); if (!empty($files)) { foreach ($files as $file) { $file->delete(); } } $dir = $fs->get_file(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA, 0, '/'.$name.'/', '.'); if (!empty($dir)) { $dir->delete(); } return true; } /** * Prints the heads for a page * * @param stdClass $course * @param stdClass $cm * @param stdClass $data * @param string $currenttab */ function data_print_header($course, $cm, $data, $currenttab='') { global $CFG, $displaynoticegood, $displaynoticebad, $OUTPUT, $PAGE; $PAGE->set_title($data->name); echo $OUTPUT->header(); echo $OUTPUT->heading(format_string($data->name), 2); echo $OUTPUT->box(format_module_intro('data', $data, $cm->id), 'generalbox', 'intro'); // Groups needed for Add entry tab $currentgroup = groups_get_activity_group($cm); $groupmode = groups_get_activity_groupmode($cm); // Print the tabs if ($currenttab) { include('tabs.php'); } // Print any notices if (!empty($displaynoticegood)) { echo $OUTPUT->notification($displaynoticegood, 'notifysuccess'); // good (usually green) } else if (!empty($displaynoticebad)) { echo $OUTPUT->notification($displaynoticebad); // bad (usuually red) } } /** * Can user add more entries? * * @param object $data * @param mixed $currentgroup * @param int $groupmode * @param stdClass $context * @return bool */ function data_user_can_add_entry($data, $currentgroup, $groupmode, $context = null) { global $USER; if (empty($context)) { $cm = get_coursemodule_from_instance('data', $data->id, 0, false, MUST_EXIST); $context = context_module::instance($cm->id); } if (has_capability('mod/data:manageentries', $context)) { // no entry limits apply if user can manage } else if (!has_capability('mod/data:writeentry', $context)) { return false; } else if (data_atmaxentries($data)) { return false; } else if (data_in_readonly_period($data)) { // Check whether we're in a read-only period return false; } if (!$groupmode or has_capability('moodle/site:accessallgroups', $context)) { return true; } if ($currentgroup) { return groups_is_member($currentgroup); } else { //else it might be group 0 in visible mode if ($groupmode == VISIBLEGROUPS){ return true; } else { return false; } } } /** * Check whether the current user is allowed to manage the given record considering manageentries capability, * data_in_readonly_period() result, ownership (determined by data_isowner()) and manageapproved setting. * @param mixed $record record object or id * @param object $data data object * @param object $context context object * @return bool returns true if the user is allowd to edit the entry, false otherwise */ function data_user_can_manage_entry($record, $data, $context) { global $DB; if (has_capability('mod/data:manageentries', $context)) { return true; } // Check whether this activity is read-only at present. $readonly = data_in_readonly_period($data); if (!$readonly) { // Get record object from db if just id given like in data_isowner. // ...done before calling data_isowner() to avoid querying db twice. if (!is_object($record)) { if (!$record = $DB->get_record('data_records', array('id' => $record))) { return false; } } if (data_isowner($record)) { if ($data->approval && $record->approved) { return $data->manageapproved == 1; } else { return true; } } } return false; } /** * Check whether the specified database activity is currently in a read-only period * * @param object $data * @return bool returns true if the time fields in $data indicate a read-only period; false otherwise */ function data_in_readonly_period($data) { $now = time(); if (!$data->timeviewfrom && !$data->timeviewto) { return false; } else if (($data->timeviewfrom && $now < $data->timeviewfrom) || ($data->timeviewto && $now > $data->timeviewto)) { return false; } return true; } /** * @return bool */ function is_directory_a_preset($directory) { $directory = rtrim($directory, '/\\') . '/'; $status = file_exists($directory.'singletemplate.html') && file_exists($directory.'listtemplate.html') && file_exists($directory.'listtemplateheader.html') && file_exists($directory.'listtemplatefooter.html') && file_exists($directory.'addtemplate.html') && file_exists($directory.'rsstemplate.html') && file_exists($directory.'rsstitletemplate.html') && file_exists($directory.'csstemplate.css') && file_exists($directory.'jstemplate.js') && file_exists($directory.'preset.xml'); return $status; } /** * Abstract class used for data preset importers */ abstract class data_preset_importer { protected $course; protected $cm; protected $module; protected $directory; /** * Constructor * * @param stdClass $course * @param stdClass $cm * @param stdClass $module * @param string $directory */ public function __construct($course, $cm, $module, $directory) { $this->course = $course; $this->cm = $cm; $this->module = $module; $this->directory = $directory; } /** * Returns the name of the directory the preset is located in * @return string */ public function get_directory() { return basename($this->directory); } /** * Retreive the contents of a file. That file may either be in a conventional directory of the Moodle file storage * @param file_storage $filestorage. should be null if using a conventional directory * @param stored_file $fileobj the directory to look in. null if using a conventional directory * @param string $dir the directory to look in. null if using the Moodle file storage * @param string $filename the name of the file we want * @return string the contents of the file or null if the file doesn't exist. */ public function data_preset_get_file_contents(&$filestorage, &$fileobj, $dir, $filename) { if(empty($filestorage) || empty($fileobj)) { if (substr($dir, -1)!='/') { $dir .= '/'; } if (file_exists($dir.$filename)) { return file_get_contents($dir.$filename); } else { return null; } } else { if ($filestorage->file_exists(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA, 0, $fileobj->get_filepath(), $filename)) { $file = $filestorage->get_file(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA, 0, $fileobj->get_filepath(), $filename); return $file->get_content(); } else { return null; } } } /** * Gets the preset settings * @global moodle_database $DB * @return stdClass */ public function get_preset_settings() { global $DB; $fs = $fileobj = null; if (!is_directory_a_preset($this->directory)) { //maybe the user requested a preset stored in the Moodle file storage $fs = get_file_storage(); $files = $fs->get_area_files(DATA_PRESET_CONTEXT, DATA_PRESET_COMPONENT, DATA_PRESET_FILEAREA); //preset name to find will be the final element of the directory $explodeddirectory = explode('/', $this->directory); $presettofind = end($explodeddirectory); //now go through the available files available and see if we can find it foreach ($files as $file) { if (($file->is_directory() && $file->get_filepath()=='/') || !$file->is_directory()) { continue; } $presetname = trim($file->get_filepath(), '/'); if ($presetname==$presettofind) { $this->directory = $presetname; $fileobj = $file; } } if (empty($fileobj)) { print_error('invalidpreset', 'data', '', $this->directory); } } $allowed_settings = array( 'intro', 'comments', 'requiredentries', 'requiredentriestoview', 'maxentries', 'rssarticles', 'approval', 'defaultsortdir', 'defaultsort'); $result = new stdClass; $result->settings = new stdClass; $result->importfields = array(); $result->currentfields = $DB->get_records('data_fields', array('dataid'=>$this->module->id)); if (!$result->currentfields) { $result->currentfields = array(); } /* Grab XML */ $presetxml = $this->data_preset_get_file_contents($fs, $fileobj, $this->directory,'preset.xml'); $parsedxml = xmlize($presetxml, 0); /* First, do settings. Put in user friendly array. */ $settingsarray = $parsedxml['preset']['#']['settings'][0]['#']; $result->settings = new StdClass(); foreach ($settingsarray as $setting => $value) { if (!is_array($value) || !in_array($setting, $allowed_settings)) { // unsupported setting continue; } $result->settings->$setting = $value[0]['#']; } /* Now work out fields to user friendly array */ $fieldsarray = $parsedxml['preset']['#']['field']; foreach ($fieldsarray as $field) { if (!is_array($field)) { continue; } $f = new StdClass(); foreach ($field['#'] as $param => $value) { if (!is_array($value)) { continue; } $f->$param = $value[0]['#']; } $f->dataid = $this->module->id; $f->type = clean_param($f->type, PARAM_ALPHA); $result->importfields[] = $f; } /* Now add the HTML templates to the settings array so we can update d */ $result->settings->singletemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"singletemplate.html"); $result->settings->listtemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"listtemplate.html"); $result->settings->listtemplateheader = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"listtemplateheader.html"); $result->settings->listtemplatefooter = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"listtemplatefooter.html"); $result->settings->addtemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"addtemplate.html"); $result->settings->rsstemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"rsstemplate.html"); $result->settings->rsstitletemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"rsstitletemplate.html"); $result->settings->csstemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"csstemplate.css"); $result->settings->jstemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"jstemplate.js"); $result->settings->asearchtemplate = $this->data_preset_get_file_contents($fs, $fileobj,$this->directory,"asearchtemplate.html"); $result->settings->instance = $this->module->id; return $result; } /** * Import the preset into the given database module * @return bool */ function import($overwritesettings) { global $DB, $CFG; $params = $this->get_preset_settings(); $settings = $params->settings; $newfields = $params->importfields; $currentfields = $params->currentfields; $preservedfields = array(); /* Maps fields and makes new ones */ if (!empty($newfields)) { /* We require an injective mapping, and need to know what to protect */ foreach ($newfields as $nid => $newfield) { $cid = optional_param("field_$nid", -1, PARAM_INT); if ($cid == -1) { continue; } if (array_key_exists($cid, $preservedfields)){ print_error('notinjectivemap', 'data'); } else $preservedfields[$cid] = true; } foreach ($newfields as $nid => $newfield) { $cid = optional_param("field_$nid", -1, PARAM_INT); /* A mapping. Just need to change field params. Data kept. */ if ($cid != -1 and isset($currentfields[$cid])) { $fieldobject = data_get_field_from_id($currentfields[$cid]->id, $this->module); foreach ($newfield as $param => $value) { if ($param != "id") { $fieldobject->field->$param = $value; } } unset($fieldobject->field->similarfield); $fieldobject->update_field(); unset($fieldobject); } else { /* Make a new field */ include_once("field/$newfield->type/field.class.php"); if (!isset($newfield->description)) { $newfield->description = ''; } $classname = 'data_field_'.$newfield->type; $fieldclass = new $classname($newfield, $this->module); $fieldclass->insert_field(); unset($fieldclass); } } } /* Get rid of all old unused data */ if (!empty($preservedfields)) { foreach ($currentfields as $cid => $currentfield) { if (!array_key_exists($cid, $preservedfields)) { /* Data not used anymore so wipe! */ print "Deleting field $currentfield->name<br />"; $id = $currentfield->id; //Why delete existing data records and related comments/ratings?? $DB->delete_records('data_content', array('fieldid'=>$id)); $DB->delete_records('data_fields', array('id'=>$id)); } } } // handle special settings here if (!empty($settings->defaultsort)) { if (is_numeric($settings->defaultsort)) { // old broken value $settings->defaultsort = 0; } else { $settings->defaultsort = (int)$DB->get_field('data_fields', 'id', array('dataid'=>$this->module->id, 'name'=>$settings->defaultsort)); } } else { $settings->defaultsort = 0; } // do we want to overwrite all current database settings? if ($overwritesettings) { // all supported settings $overwrite = array_keys((array)$settings); } else { // only templates and sorting $overwrite = array('singletemplate', 'listtemplate', 'listtemplateheader', 'listtemplatefooter', 'addtemplate', 'rsstemplate', 'rsstitletemplate', 'csstemplate', 'jstemplate', 'asearchtemplate', 'defaultsortdir', 'defaultsort'); } // now overwrite current data settings foreach ($this->module as $prop=>$unused) { if (in_array($prop, $overwrite)) { $this->module->$prop = $settings->$prop; } } data_update_instance($this->module); return $this->cleanup(); } /** * Any clean up routines should go here * @return bool */ public function cleanup() { return true; } } /** * Data preset importer for uploaded presets */ class data_preset_upload_importer extends data_preset_importer { public function __construct($course, $cm, $module, $filepath) { global $USER; if (is_file($filepath)) { $fp = get_file_packer(); if ($fp->extract_to_pathname($filepath, $filepath.'_extracted')) { fulldelete($filepath); } $filepath .= '_extracted'; } parent::__construct($course, $cm, $module, $filepath); } public function cleanup() { return fulldelete($this->directory); } } /** * Data preset importer for existing presets */ class data_preset_existing_importer extends data_preset_importer { protected $userid; public function __construct($course, $cm, $module, $fullname) { global $USER; list($userid, $shortname) = explode('/', $fullname, 2); $context = context_module::instance($cm->id); if ($userid && ($userid != $USER->id) && !has_capability('mod/data:manageuserpresets', $context) && !has_capability('mod/data:viewalluserpresets', $context)) { throw new coding_exception('Invalid preset provided'); } $this->userid = $userid; $filepath = data_preset_path($course, $userid, $shortname); parent::__construct($course, $cm, $module, $filepath); } public function get_userid() { return $this->userid; } } /** * @global object * @global object * @param object $course * @param int $userid * @param string $shortname * @return string */ function data_preset_path($course, $userid, $shortname) { global $USER, $CFG; $context = context_course::instance($course->id); $userid = (int)$userid; $path = null; if ($userid > 0 && ($userid == $USER->id || has_capability('mod/data:viewalluserpresets', $context))) { $path = $CFG->dataroot.'/data/preset/'.$userid.'/'.$shortname; } else if ($userid == 0) { $path = $CFG->dirroot.'/mod/data/preset/'.$shortname; } else if ($userid < 0) { $path = $CFG->tempdir.'/data/'.-$userid.'/'.$shortname; } return $path; } /** * Implementation of the function for printing the form elements that control * whether the course reset functionality affects the data. * * @param $mform form passed by reference */ function data_reset_course_form_definition(&$mform) { $mform->addElement('header', 'dataheader', get_string('modulenameplural', 'data')); $mform->addElement('checkbox', 'reset_data', get_string('deleteallentries','data')); $mform->addElement('checkbox', 'reset_data_notenrolled', get_string('deletenotenrolled', 'data')); $mform->disabledIf('reset_data_notenrolled', 'reset_data', 'checked'); $mform->addElement('checkbox', 'reset_data_ratings', get_string('deleteallratings')); $mform->disabledIf('reset_data_ratings', 'reset_data', 'checked'); $mform->addElement('checkbox', 'reset_data_comments', get_string('deleteallcomments')); $mform->disabledIf('reset_data_comments', 'reset_data', 'checked'); $mform->addElement('checkbox', 'reset_data_tags', get_string('removealldatatags', 'data')); $mform->disabledIf('reset_data_tags', 'reset_data', 'checked'); } /** * Course reset form defaults. * @return array */ function data_reset_course_form_defaults($course) { return array('reset_data'=>0, 'reset_data_ratings'=>1, 'reset_data_comments'=>1, 'reset_data_notenrolled'=>0); } /** * Removes all grades from gradebook * * @global object * @global object * @param int $courseid * @param string $type optional type */ function data_reset_gradebook($courseid, $type='') { global $CFG, $DB; $sql = "SELECT d.*, cm.idnumber as cmidnumber, d.course as courseid FROM {data} d, {course_modules} cm, {modules} m WHERE m.name='data' AND m.id=cm.module AND cm.instance=d.id AND d.course=?"; if ($datas = $DB->get_records_sql($sql, array($courseid))) { foreach ($datas as $data) { data_grade_item_update($data, 'reset'); } } } /** * Actual implementation of the reset course functionality, delete all the * data responses for course $data->courseid. * * @global object * @global object * @param object $data the data submitted from the reset course. * @return array status array */ function data_reset_userdata($data) { global $CFG, $DB; require_once($CFG->libdir.'/filelib.php'); require_once($CFG->dirroot.'/rating/lib.php'); $componentstr = get_string('modulenameplural', 'data'); $status = array(); $allrecordssql = "SELECT r.id FROM {data_records} r INNER JOIN {data} d ON r.dataid = d.id WHERE d.course = ?"; $alldatassql = "SELECT d.id FROM {data} d WHERE d.course=?"; $rm = new rating_manager(); $ratingdeloptions = new stdClass; $ratingdeloptions->component = 'mod_data'; $ratingdeloptions->ratingarea = 'entry'; // Set the file storage - may need it to remove files later. $fs = get_file_storage(); // delete entries if requested if (!empty($data->reset_data)) { $DB->delete_records_select('comments', "itemid IN ($allrecordssql) AND commentarea='database_entry'", array($data->courseid)); $DB->delete_records_select('data_content', "recordid IN ($allrecordssql)", array($data->courseid)); $DB->delete_records_select('data_records', "dataid IN ($alldatassql)", array($data->courseid)); if ($datas = $DB->get_records_sql($alldatassql, array($data->courseid))) { foreach ($datas as $dataid=>$unused) { if (!$cm = get_coursemodule_from_instance('data', $dataid)) { continue; } $datacontext = context_module::instance($cm->id); // Delete any files that may exist. $fs->delete_area_files($datacontext->id, 'mod_data', 'content'); $ratingdeloptions->contextid = $datacontext->id; $rm->delete_ratings($ratingdeloptions); core_tag_tag::delete_instances('mod_data', null, $datacontext->id); } } if (empty($data->reset_gradebook_grades)) { // remove all grades from gradebook data_reset_gradebook($data->courseid); } $status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallentries', 'data'), 'error'=>false); } // remove entries by users not enrolled into course if (!empty($data->reset_data_notenrolled)) { $recordssql = "SELECT r.id, r.userid, r.dataid, u.id AS userexists, u.deleted AS userdeleted FROM {data_records} r JOIN {data} d ON r.dataid = d.id LEFT JOIN {user} u ON r.userid = u.id WHERE d.course = ? AND r.userid > 0"; $course_context = context_course::instance($data->courseid); $notenrolled = array(); $fields = array(); $rs = $DB->get_recordset_sql($recordssql, array($data->courseid)); foreach ($rs as $record) { if (array_key_exists($record->userid, $notenrolled) or !$record->userexists or $record->userdeleted or !is_enrolled($course_context, $record->userid)) { //delete ratings if (!$cm = get_coursemodule_from_instance('data', $record->dataid)) { continue; } $datacontext = context_module::instance($cm->id); $ratingdeloptions->contextid = $datacontext->id; $ratingdeloptions->itemid = $record->id; $rm->delete_ratings($ratingdeloptions); // Delete any files that may exist. if ($contents = $DB->get_records('data_content', array('recordid' => $record->id), '', 'id')) { foreach ($contents as $content) { $fs->delete_area_files($datacontext->id, 'mod_data', 'content', $content->id); } } $notenrolled[$record->userid] = true; core_tag_tag::remove_all_item_tags('mod_data', 'data_records', $record->id); $DB->delete_records('comments', array('itemid' => $record->id, 'commentarea' => 'database_entry')); $DB->delete_records('data_content', array('recordid' => $record->id)); $DB->delete_records('data_records', array('id' => $record->id)); } } $rs->close(); $status[] = array('component'=>$componentstr, 'item'=>get_string('deletenotenrolled', 'data'), 'error'=>false); } // remove all ratings if (!empty($data->reset_data_ratings)) { if ($datas = $DB->get_records_sql($alldatassql, array($data->courseid))) { foreach ($datas as $dataid=>$unused) { if (!$cm = get_coursemodule_from_instance('data', $dataid)) { continue; } $datacontext = context_module::instance($cm->id); $ratingdeloptions->contextid = $datacontext->id; $rm->delete_ratings($ratingdeloptions); } } if (empty($data->reset_gradebook_grades)) { // remove all grades from gradebook data_reset_gradebook($data->courseid); } $status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallratings'), 'error'=>false); } // remove all comments if (!empty($data->reset_data_comments)) { $DB->delete_records_select('comments', "itemid IN ($allrecordssql) AND commentarea='database_entry'", array($data->courseid)); $status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallcomments'), 'error'=>false); } // Remove all the tags. if (!empty($data->reset_data_tags)) { if ($datas = $DB->get_records_sql($alldatassql, array($data->courseid))) { foreach ($datas as $dataid => $unused) { if (!$cm = get_coursemodule_from_instance('data', $dataid)) { continue; } $context = context_module::instance($cm->id); core_tag_tag::delete_instances('mod_data', null, $context->id); } } $status[] = array('component' => $componentstr, 'item' => get_string('tagsdeleted', 'data'), 'error' => false); } // updating dates - shift may be negative too if ($data->timeshift) { // Any changes to the list of dates that needs to be rolled should be same during course restore and course reset. // See MDL-9367. shift_course_mod_dates('data', array('timeavailablefrom', 'timeavailableto', 'timeviewfrom', 'timeviewto', 'assesstimestart', 'assesstimefinish'), $data->timeshift, $data->courseid); $status[] = array('component'=>$componentstr, 'item'=>get_string('datechanged'), 'error'=>false); } return $status; } /** * Returns all other caps used in module * * @return array */ function data_get_extra_capabilities() { return ['moodle/rating:view', 'moodle/rating:viewany', 'moodle/rating:viewall', 'moodle/rating:rate', 'moodle/comment:view', 'moodle/comment:post', 'moodle/comment:delete']; } /** * @param string $feature FEATURE_xx constant for requested feature * @return mixed True if module supports feature, null if doesn't know */ function data_supports($feature) { switch($feature) { case FEATURE_GROUPS: return true; case FEATURE_GROUPINGS: return true; case FEATURE_MOD_INTRO: return true; case FEATURE_COMPLETION_TRACKS_VIEWS: return true; case FEATURE_COMPLETION_HAS_RULES: return true; case FEATURE_GRADE_HAS_GRADE: return true; case FEATURE_GRADE_OUTCOMES: return true; case FEATURE_RATE: return true; case FEATURE_BACKUP_MOODLE2: return true; case FEATURE_SHOW_DESCRIPTION: return true; case FEATURE_COMMENT: return true; default: return null; } } /** * Import records for a data instance from csv data. * * @param object $cm Course module of the data instance. * @param object $data The data instance. * @param string $csvdata The csv data to be imported. * @param string $encoding The encoding of csv data. * @param string $fielddelimiter The delimiter of the csv data. * @return int Number of records added. */ function data_import_csv($cm, $data, &$csvdata, $encoding, $fielddelimiter) { global $CFG, $DB; // Large files are likely to take their time and memory. Let PHP know // that we'll take longer, and that the process should be recycled soon // to free up memory. core_php_time_limit::raise(); raise_memory_limit(MEMORY_EXTRA); $iid = csv_import_reader::get_new_iid('moddata'); $cir = new csv_import_reader($iid, 'moddata'); $context = context_module::instance($cm->id); $readcount = $cir->load_csv_content($csvdata, $encoding, $fielddelimiter); $csvdata = null; // Free memory. if (empty($readcount)) { print_error('csvfailed', 'data', "{$CFG->wwwroot}/mod/data/edit.php?d={$data->id}"); } else { if (!$fieldnames = $cir->get_columns()) { print_error('cannotreadtmpfile', 'error'); } // Check the fieldnames are valid. $rawfields = $DB->get_records('data_fields', array('dataid' => $data->id), '', 'name, id, type'); $fields = array(); $errorfield = ''; $usernamestring = get_string('username'); $safetoskipfields = array(get_string('user'), get_string('email'), get_string('timeadded', 'data'), get_string('timemodified', 'data'), get_string('approved', 'data'), get_string('tags', 'data')); $userfieldid = null; foreach ($fieldnames as $id => $name) { if (!isset($rawfields[$name])) { if ($name == $usernamestring) { $userfieldid = $id; } else if (!in_array($name, $safetoskipfields)) { $errorfield .= "'$name' "; } } else { // If this is the second time, a field with this name comes up, it must be a field not provided by the user... // like the username. if (isset($fields[$name])) { if ($name == $usernamestring) { $userfieldid = $id; } unset($fieldnames[$id]); // To ensure the user provided content fields remain in the array once flipped. } else { $field = $rawfields[$name]; require_once("$CFG->dirroot/mod/data/field/$field->type/field.class.php"); $classname = 'data_field_' . $field->type; $fields[$name] = new $classname($field, $data, $cm); } } } if (!empty($errorfield)) { print_error('fieldnotmatched', 'data', "{$CFG->wwwroot}/mod/data/edit.php?d={$data->id}", $errorfield); } $fieldnames = array_flip($fieldnames); $cir->init(); $recordsadded = 0; while ($record = $cir->next()) { $authorid = null; if ($userfieldid) { if (!($author = core_user::get_user_by_username($record[$userfieldid], 'id'))) { $authorid = null; } else { $authorid = $author->id; } } if ($recordid = data_add_record($data, 0, $authorid)) { // Add instance to data_record. foreach ($fields as $field) { $fieldid = $fieldnames[$field->field->name]; if (isset($record[$fieldid])) { $value = $record[$fieldid]; } else { $value = ''; } if (method_exists($field, 'update_content_import')) { $field->update_content_import($recordid, $value, 'field_' . $field->field->id); } else { $content = new stdClass(); $content->fieldid = $field->field->id; $content->content = $value; $content->recordid = $recordid; $DB->insert_record('data_content', $content); } } if (core_tag_tag::is_enabled('mod_data', 'data_records') && isset($fieldnames[get_string('tags', 'data')])) { $columnindex = $fieldnames[get_string('tags', 'data')]; $rawtags = $record[$columnindex]; $tags = explode(',', $rawtags); foreach ($tags as $tag) { $tag = trim($tag); if (empty($tag)) { continue; } core_tag_tag::add_item_tag('mod_data', 'data_records', $recordid, $context, $tag); } } $recordsadded++; print get_string('added', 'moodle', $recordsadded) . ". " . get_string('entry', 'data') . " (ID $recordid)<br />\n"; } } $cir->close(); $cir->cleanup(true); return $recordsadded; } return 0; } /** * @global object * @param array $export * @param string $delimiter_name * @param object $database * @param int $count * @param bool $return * @return string|void */ function data_export_csv($export, $delimiter_name, $database, $count, $return=false) { global $CFG; require_once($CFG->libdir . '/csvlib.class.php'); $filename = $database . '-' . $count . '-record'; if ($count > 1) { $filename .= 's'; } if ($return) { return csv_export_writer::print_array($export, $delimiter_name, '"', true); } else { csv_export_writer::download_array($filename, $export, $delimiter_name); } } /** * @global object * @param array $export * @param string $dataname * @param int $count * @return string */ function data_export_xls($export, $dataname, $count) { global $CFG; require_once("$CFG->libdir/excellib.class.php"); $filename = clean_filename("{$dataname}-{$count}_record"); if ($count > 1) { $filename .= 's'; } $filename .= clean_filename('-' . gmdate("Ymd_Hi")); $filename .= '.xls'; $filearg = '-'; $workbook = new MoodleExcelWorkbook($filearg); $workbook->send($filename); $worksheet = array(); $worksheet[0] = $workbook->add_worksheet(''); $rowno = 0; foreach ($export as $row) { $colno = 0; foreach($row as $col) { $worksheet[0]->write($rowno, $colno, $col); $colno++; } $rowno++; } $workbook->close(); return $filename; } /** * @global object * @param array $export * @param string $dataname * @param int $count * @param string */ function data_export_ods($export, $dataname, $count) { global $CFG; require_once("$CFG->libdir/odslib.class.php"); $filename = clean_filename("{$dataname}-{$count}_record"); if ($count > 1) { $filename .= 's'; } $filename .= clean_filename('-' . gmdate("Ymd_Hi")); $filename .= '.ods'; $filearg = '-'; $workbook = new MoodleODSWorkbook($filearg); $workbook->send($filename); $worksheet = array(); $worksheet[0] = $workbook->add_worksheet(''); $rowno = 0; foreach ($export as $row) { $colno = 0; foreach($row as $col) { $worksheet[0]->write($rowno, $colno, $col); $colno++; } $rowno++; } $workbook->close(); return $filename; } /** * @global object * @param int $dataid * @param array $fields * @param array $selectedfields * @param int $currentgroup group ID of the current group. This is used for * exporting data while maintaining group divisions. * @param object $context the context in which the operation is performed (for capability checks) * @param bool $userdetails whether to include the details of the record author * @param bool $time whether to include time created/modified * @param bool $approval whether to include approval status * @param bool $tags whether to include tags * @return array */ function data_get_exportdata($dataid, $fields, $selectedfields, $currentgroup=0, $context=null, $userdetails=false, $time=false, $approval=false, $tags = false) { global $DB; if (is_null($context)) { $context = context_system::instance(); } // exporting user data needs special permission $userdetails = $userdetails && has_capability('mod/data:exportuserinfo', $context); $exportdata = array(); // populate the header in first row of export foreach($fields as $key => $field) { if (!in_array($field->field->id, $selectedfields)) { // ignore values we aren't exporting unset($fields[$key]); } else { $exportdata[0][] = $field->field->name; } } if ($tags) { $exportdata[0][] = get_string('tags', 'data'); } if ($userdetails) { $exportdata[0][] = get_string('user'); $exportdata[0][] = get_string('username'); $exportdata[0][] = get_string('email'); } if ($time) { $exportdata[0][] = get_string('timeadded', 'data'); $exportdata[0][] = get_string('timemodified', 'data'); } if ($approval) { $exportdata[0][] = get_string('approved', 'data'); } $datarecords = $DB->get_records('data_records', array('dataid'=>$dataid)); ksort($datarecords); $line = 1; foreach($datarecords as $record) { // get content indexed by fieldid if ($currentgroup) { $select = 'SELECT c.fieldid, c.content, c.content1, c.content2, c.content3, c.content4 FROM {data_content} c, {data_records} r WHERE c.recordid = ? AND r.id = c.recordid AND r.groupid = ?'; $where = array($record->id, $currentgroup); } else { $select = 'SELECT fieldid, content, content1, content2, content3, content4 FROM {data_content} WHERE recordid = ?'; $where = array($record->id); } if( $content = $DB->get_records_sql($select, $where) ) { foreach($fields as $field) { $contents = ''; if(isset($content[$field->field->id])) { $contents = $field->export_text_value($content[$field->field->id]); } $exportdata[$line][] = $contents; } if ($tags) { $itemtags = \core_tag_tag::get_item_tags_array('mod_data', 'data_records', $record->id); $exportdata[$line][] = implode(', ', $itemtags); } if ($userdetails) { // Add user details to the export data $userdata = get_complete_user_data('id', $record->userid); $exportdata[$line][] = fullname($userdata); $exportdata[$line][] = $userdata->username; $exportdata[$line][] = $userdata->email; } if ($time) { // Add time added / modified $exportdata[$line][] = userdate($record->timecreated); $exportdata[$line][] = userdate($record->timemodified); } if ($approval) { // Add approval status $exportdata[$line][] = (int) $record->approved; } } $line++; } $line--; return $exportdata; } //////////////////////////////////////////////////////////////////////////////// // File API // //////////////////////////////////////////////////////////////////////////////// /** * Lists all browsable file areas * * @package mod_data * @category files * @param stdClass $course course object * @param stdClass $cm course module object * @param stdClass $context context object * @return array */ function data_get_file_areas($course, $cm, $context) { return array('content' => get_string('areacontent', 'mod_data')); } /** * File browsing support for data module. * * @param file_browser $browser * @param array $areas * @param stdClass $course * @param cm_info $cm * @param context $context * @param string $filearea * @param int $itemid * @param string $filepath * @param string $filename * @return file_info_stored file_info_stored instance or null if not found */ function data_get_file_info($browser, $areas, $course, $cm, $context, $filearea, $itemid, $filepath, $filename) { global $CFG, $DB, $USER; if ($context->contextlevel != CONTEXT_MODULE) { return null; } if (!isset($areas[$filearea])) { return null; } if (is_null($itemid)) { require_once($CFG->dirroot.'/mod/data/locallib.php'); return new data_file_info_container($browser, $course, $cm, $context, $areas, $filearea); } if (!$content = $DB->get_record('data_content', array('id'=>$itemid))) { return null; } if (!$field = $DB->get_record('data_fields', array('id'=>$content->fieldid))) { return null; } if (!$record = $DB->get_record('data_records', array('id'=>$content->recordid))) { return null; } if (!$data = $DB->get_record('data', array('id'=>$field->dataid))) { return null; } //check if approved if ($data->approval and !$record->approved and !data_isowner($record) and !has_capability('mod/data:approve', $context)) { return null; } // group access if ($record->groupid) { $groupmode = groups_get_activity_groupmode($cm, $course); if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) { if (!groups_is_member($record->groupid)) { return null; } } } $fieldobj = data_get_field($field, $data, $cm); $filepath = is_null($filepath) ? '/' : $filepath; $filename = is_null($filename) ? '.' : $filename; if (!$fieldobj->file_ok($filepath.$filename)) { return null; } $fs = get_file_storage(); if (!($storedfile = $fs->get_file($context->id, 'mod_data', $filearea, $itemid, $filepath, $filename))) { return null; } // Checks to see if the user can manage files or is the owner. // TODO MDL-33805 - Do not use userid here and move the capability check above. if (!has_capability('moodle/course:managefiles', $context) && $storedfile->get_userid() != $USER->id) { return null; } $urlbase = $CFG->wwwroot.'/pluginfile.php'; return new file_info_stored($browser, $context, $storedfile, $urlbase, $itemid, true, true, false, false); } /** * Serves the data attachments. Implements needed access control ;-) * * @package mod_data * @category files * @param stdClass $course course object * @param stdClass $cm course module object * @param stdClass $context context object * @param string $filearea file area * @param array $args extra arguments * @param bool $forcedownload whether or not force download * @param array $options additional options affecting the file serving * @return bool false if file not found, does not return if found - justsend the file */ function data_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) { global $CFG, $DB; if ($context->contextlevel != CONTEXT_MODULE) { return false; } require_course_login($course, true, $cm); if ($filearea === 'content') { $contentid = (int)array_shift($args); if (!$content = $DB->get_record('data_content', array('id'=>$contentid))) { return false; } if (!$field = $DB->get_record('data_fields', array('id'=>$content->fieldid))) { return false; } if (!$record = $DB->get_record('data_records', array('id'=>$content->recordid))) { return false; } if (!$data = $DB->get_record('data', array('id'=>$field->dataid))) { return false; } if ($data->id != $cm->instance) { // hacker attempt - context does not match the contentid return false; } //check if approved if ($data->approval and !$record->approved and !data_isowner($record) and !has_capability('mod/data:approve', $context)) { return false; } // group access if ($record->groupid) { $groupmode = groups_get_activity_groupmode($cm, $course); if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) { if (!groups_is_member($record->groupid)) { return false; } } } $fieldobj = data_get_field($field, $data, $cm); $relativepath = implode('/', $args); $fullpath = "/$context->id/mod_data/content/$content->id/$relativepath"; if (!$fieldobj->file_ok($relativepath)) { return false; } $fs = get_file_storage(); if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) { return false; } // finally send the file send_stored_file($file, 0, 0, true, $options); // download MUST be forced - security! } return false; } function data_extend_navigation($navigation, $course, $module, $cm) { global $CFG, $OUTPUT, $USER, $DB; require_once($CFG->dirroot . '/mod/data/locallib.php'); $rid = optional_param('rid', 0, PARAM_INT); $data = $DB->get_record('data', array('id'=>$cm->instance)); $currentgroup = groups_get_activity_group($cm); $groupmode = groups_get_activity_groupmode($cm); $numentries = data_numentries($data); $canmanageentries = has_capability('mod/data:manageentries', context_module::instance($cm->id)); if ($data->entriesleft = data_get_entries_left_to_add($data, $numentries, $canmanageentries)) { $entriesnode = $navigation->add(get_string('entrieslefttoadd', 'data', $data)); $entriesnode->add_class('note'); } $navigation->add(get_string('list', 'data'), new moodle_url('/mod/data/view.php', array('d'=>$cm->instance))); if (!empty($rid)) { $navigation->add(get_string('single', 'data'), new moodle_url('/mod/data/view.php', array('d'=>$cm->instance, 'rid'=>$rid))); } else { $navigation->add(get_string('single', 'data'), new moodle_url('/mod/data/view.php', array('d'=>$cm->instance, 'mode'=>'single'))); } $navigation->add(get_string('search', 'data'), new moodle_url('/mod/data/view.php', array('d'=>$cm->instance, 'mode'=>'asearch'))); } /** * Adds module specific settings to the settings block * * @param settings_navigation $settings The settings navigation object * @param navigation_node $datanode The node to add module settings to */ function data_extend_settings_navigation(settings_navigation $settings, navigation_node $datanode) { global $PAGE, $DB, $CFG, $USER; $data = $DB->get_record('data', array("id" => $PAGE->cm->instance)); $currentgroup = groups_get_activity_group($PAGE->cm); $groupmode = groups_get_activity_groupmode($PAGE->cm); if (data_user_can_add_entry($data, $currentgroup, $groupmode, $PAGE->cm->context)) { // took out participation list here! if (empty($editentry)) { //TODO: undefined $addstring = get_string('add', 'data'); } else { $addstring = get_string('editentry', 'data'); } $datanode->add($addstring, new moodle_url('/mod/data/edit.php', array('d'=>$PAGE->cm->instance))); } if (has_capability(DATA_CAP_EXPORT, $PAGE->cm->context)) { // The capability required to Export database records is centrally defined in 'lib.php' // and should be weaker than those required to edit Templates, Fields and Presets. $datanode->add(get_string('exportentries', 'data'), new moodle_url('/mod/data/export.php', array('d'=>$data->id))); } if (has_capability('mod/data:manageentries', $PAGE->cm->context)) { $datanode->add(get_string('importentries', 'data'), new moodle_url('/mod/data/import.php', array('d'=>$data->id))); } if (has_capability('mod/data:managetemplates', $PAGE->cm->context)) { $currenttab = ''; if ($currenttab == 'list') { $defaultemplate = 'listtemplate'; } else if ($currenttab == 'add') { $defaultemplate = 'addtemplate'; } else if ($currenttab == 'asearch') { $defaultemplate = 'asearchtemplate'; } else { $defaultemplate = 'singletemplate'; } $templates = $datanode->add(get_string('templates', 'data')); $templatelist = array ('listtemplate', 'singletemplate', 'asearchtemplate', 'addtemplate', 'rsstemplate', 'csstemplate', 'jstemplate'); foreach ($templatelist as $template) { $templates->add(get_string($template, 'data'), new moodle_url('/mod/data/templates.php', array('d'=>$data->id,'mode'=>$template))); } $datanode->add(get_string('fields', 'data'), new moodle_url('/mod/data/field.php', array('d'=>$data->id))); $datanode->add(get_string('presets', 'data'), new moodle_url('/mod/data/preset.php', array('d'=>$data->id))); } if (!empty($CFG->enablerssfeeds) && !empty($CFG->data_enablerssfeeds) && $data->rssarticles > 0) { require_once("$CFG->libdir/rsslib.php"); $string = get_string('rsstype','forum'); $url = new moodle_url(rss_get_url($PAGE->cm->context->id, $USER->id, 'mod_data', $data->id)); $datanode->add($string, $url, settings_navigation::TYPE_SETTING, null, null, new pix_icon('i/rss', '')); } } /** * Save the database configuration as a preset. * * @param stdClass $course The course the database module belongs to. * @param stdClass $cm The course module record * @param stdClass $data The database record * @param string $path * @return bool */ function data_presets_save($course, $cm, $data, $path) { global $USER; $fs = get_file_storage(); $filerecord = new stdClass; $filerecord->contextid = DATA_PRESET_CONTEXT; $filerecord->component = DATA_PRESET_COMPONENT; $filerecord->filearea = DATA_PRESET_FILEAREA; $filerecord->itemid = 0; $filerecord->filepath = '/'.$path.'/'; $filerecord->userid = $USER->id; $filerecord->filename = 'preset.xml'; $fs->create_file_from_string($filerecord, data_presets_generate_xml($course, $cm, $data)); $filerecord->filename = 'singletemplate.html'; $fs->create_file_from_string($filerecord, $data->singletemplate); $filerecord->filename = 'listtemplateheader.html'; $fs->create_file_from_string($filerecord, $data->listtemplateheader); $filerecord->filename = 'listtemplate.html'; $fs->create_file_from_string($filerecord, $data->listtemplate); $filerecord->filename = 'listtemplatefooter.html'; $fs->create_file_from_string($filerecord, $data->listtemplatefooter); $filerecord->filename = 'addtemplate.html'; $fs->create_file_from_string($filerecord, $data->addtemplate); $filerecord->filename = 'rsstemplate.html'; $fs->create_file_from_string($filerecord, $data->rsstemplate); $filerecord->filename = 'rsstitletemplate.html'; $fs->create_file_from_string($filerecord, $data->rsstitletemplate); $filerecord->filename = 'csstemplate.css'; $fs->create_file_from_string($filerecord, $data->csstemplate); $filerecord->filename = 'jstemplate.js'; $fs->create_file_from_string($filerecord, $data->jstemplate); $filerecord->filename = 'asearchtemplate.html'; $fs->create_file_from_string($filerecord, $data->asearchtemplate); return true; } /** * Generates the XML for the database module provided * * @global moodle_database $DB * @param stdClass $course The course the database module belongs to. * @param stdClass $cm The course module record * @param stdClass $data The database record * @return string The XML for the preset */ function data_presets_generate_xml($course, $cm, $data) { global $DB; // Assemble "preset.xml": $presetxmldata = "<preset>\n\n"; // Raw settings are not preprocessed during saving of presets $raw_settings = array( 'intro', 'comments', 'requiredentries', 'requiredentriestoview', 'maxentries', 'rssarticles', 'approval', 'manageapproved', 'defaultsortdir' ); $presetxmldata .= "<settings>\n"; // First, settings that do not require any conversion foreach ($raw_settings as $setting) { $presetxmldata .= "<$setting>" . htmlspecialchars($data->$setting) . "</$setting>\n"; } // Now specific settings if ($data->defaultsort > 0 && $sortfield = data_get_field_from_id($data->defaultsort, $data)) { $presetxmldata .= '<defaultsort>' . htmlspecialchars($sortfield->field->name) . "</defaultsort>\n"; } else { $presetxmldata .= "<defaultsort>0</defaultsort>\n"; } $presetxmldata .= "</settings>\n\n"; // Now for the fields. Grab all that are non-empty $fields = $DB->get_records('data_fields', array('dataid'=>$data->id)); ksort($fields); if (!empty($fields)) { foreach ($fields as $field) { $presetxmldata .= "<field>\n"; foreach ($field as $key => $value) { if ($value != '' && $key != 'id' && $key != 'dataid') { $presetxmldata .= "<$key>" . htmlspecialchars($value) . "</$key>\n"; } } $presetxmldata .= "</field>\n\n"; } } $presetxmldata .= '</preset>'; return $presetxmldata; } function data_presets_export($course, $cm, $data, $tostorage=false) { global $CFG, $DB; $presetname = clean_filename($data->name) . '-preset-' . gmdate("Ymd_Hi"); $exportsubdir = "mod_data/presetexport/$presetname"; make_temp_directory($exportsubdir); $exportdir = "$CFG->tempdir/$exportsubdir"; // Assemble "preset.xml": $presetxmldata = data_presets_generate_xml($course, $cm, $data); // After opening a file in write mode, close it asap $presetxmlfile = fopen($exportdir . '/preset.xml', 'w'); fwrite($presetxmlfile, $presetxmldata); fclose($presetxmlfile); // Now write the template files $singletemplate = fopen($exportdir . '/singletemplate.html', 'w'); fwrite($singletemplate, $data->singletemplate); fclose($singletemplate); $listtemplateheader = fopen($exportdir . '/listtemplateheader.html', 'w'); fwrite($listtemplateheader, $data->listtemplateheader); fclose($listtemplateheader); $listtemplate = fopen($exportdir . '/listtemplate.html', 'w'); fwrite($listtemplate, $data->listtemplate); fclose($listtemplate); $listtemplatefooter = fopen($exportdir . '/listtemplatefooter.html', 'w'); fwrite($listtemplatefooter, $data->listtemplatefooter); fclose($listtemplatefooter); $addtemplate = fopen($exportdir . '/addtemplate.html', 'w'); fwrite($addtemplate, $data->addtemplate); fclose($addtemplate); $rsstemplate = fopen($exportdir . '/rsstemplate.html', 'w'); fwrite($rsstemplate, $data->rsstemplate); fclose($rsstemplate); $rsstitletemplate = fopen($exportdir . '/rsstitletemplate.html', 'w'); fwrite($rsstitletemplate, $data->rsstitletemplate); fclose($rsstitletemplate); $csstemplate = fopen($exportdir . '/csstemplate.css', 'w'); fwrite($csstemplate, $data->csstemplate); fclose($csstemplate); $jstemplate = fopen($exportdir . '/jstemplate.js', 'w'); fwrite($jstemplate, $data->jstemplate); fclose($jstemplate); $asearchtemplate = fopen($exportdir . '/asearchtemplate.html', 'w'); fwrite($asearchtemplate, $data->asearchtemplate); fclose($asearchtemplate); // Check if all files have been generated if (! is_directory_a_preset($exportdir)) { print_error('generateerror', 'data'); } $filenames = array( 'preset.xml', 'singletemplate.html', 'listtemplateheader.html', 'listtemplate.html', 'listtemplatefooter.html', 'addtemplate.html', 'rsstemplate.html', 'rsstitletemplate.html', 'csstemplate.css', 'jstemplate.js', 'asearchtemplate.html' ); $filelist = array(); foreach ($filenames as $filename) { $filelist[$filename] = $exportdir . '/' . $filename; } $exportfile = $exportdir.'.zip'; file_exists($exportfile) && unlink($exportfile); $fp = get_file_packer('application/zip'); $fp->archive_to_pathname($filelist, $exportfile); foreach ($filelist as $file) { unlink($file); } rmdir($exportdir); // Return the full path to the exported preset file: return $exportfile; } /** * Running addtional permission check on plugin, for example, plugins * may have switch to turn on/off comments option, this callback will * affect UI display, not like pluginname_comment_validate only throw * exceptions. * Capability check has been done in comment->check_permissions(), we * don't need to do it again here. * * @package mod_data * @category comment * * @param stdClass $comment_param { * context => context the context object * courseid => int course id * cm => stdClass course module object * commentarea => string comment area * itemid => int itemid * } * @return array */ function data_comment_permissions($comment_param) { global $CFG, $DB; if (!$record = $DB->get_record('data_records', array('id'=>$comment_param->itemid))) { throw new comment_exception('invalidcommentitemid'); } if (!$data = $DB->get_record('data', array('id'=>$record->dataid))) { throw new comment_exception('invalidid', 'data'); } if ($data->comments) { return array('post'=>true, 'view'=>true); } else { return array('post'=>false, 'view'=>false); } } /** * Validate comment parameter before perform other comments actions * * @package mod_data * @category comment * * @param stdClass $comment_param { * context => context the context object * courseid => int course id * cm => stdClass course module object * commentarea => string comment area * itemid => int itemid * } * @return boolean */ function data_comment_validate($comment_param) { global $DB; // validate comment area if ($comment_param->commentarea != 'database_entry') { throw new comment_exception('invalidcommentarea'); } // validate itemid if (!$record = $DB->get_record('data_records', array('id'=>$comment_param->itemid))) { throw new comment_exception('invalidcommentitemid'); } if (!$data = $DB->get_record('data', array('id'=>$record->dataid))) { throw new comment_exception('invalidid', 'data'); } if (!$course = $DB->get_record('course', array('id'=>$data->course))) { throw new comment_exception('coursemisconf'); } if (!$cm = get_coursemodule_from_instance('data', $data->id, $course->id)) { throw new comment_exception('invalidcoursemodule'); } if (!$data->comments) { throw new comment_exception('commentsoff', 'data'); } $context = context_module::instance($cm->id); //check if approved if ($data->approval and !$record->approved and !data_isowner($record) and !has_capability('mod/data:approve', $context)) { throw new comment_exception('notapproved', 'data'); } // group access if ($record->groupid) { $groupmode = groups_get_activity_groupmode($cm, $course); if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) { if (!groups_is_member($record->groupid)) { throw new comment_exception('notmemberofgroup'); } } } // validate context id if ($context->id != $comment_param->context->id) { throw new comment_exception('invalidcontext'); } // validation for comment deletion if (!empty($comment_param->commentid)) { if ($comment = $DB->get_record('comments', array('id'=>$comment_param->commentid))) { if ($comment->commentarea != 'database_entry') { throw new comment_exception('invalidcommentarea'); } if ($comment->contextid != $comment_param->context->id) { throw new comment_exception('invalidcontext'); } if ($comment->itemid != $comment_param->itemid) { throw new comment_exception('invalidcommentitemid'); } } else { throw new comment_exception('invalidcommentid'); } } return true; } /** * Return a list of page types * @param string $pagetype current page type * @param stdClass $parentcontext Block's parent context * @param stdClass $currentcontext Current context of block */ function data_page_type_list($pagetype, $parentcontext, $currentcontext) { $module_pagetype = array('mod-data-*'=>get_string('page-mod-data-x', 'data')); return $module_pagetype; } /** * Get all of the record ids from a database activity. * * @param int $dataid The dataid of the database module. * @param object $selectdata Contains an additional sql statement for the * where clause for group and approval fields. * @param array $params Parameters that coincide with the sql statement. * @return array $idarray An array of record ids */ function data_get_all_recordids($dataid, $selectdata = '', $params = null) { global $DB; $initsql = 'SELECT r.id FROM {data_records} r WHERE r.dataid = :dataid'; if ($selectdata != '') { $initsql .= $selectdata; $params = array_merge(array('dataid' => $dataid), $params); } else { $params = array('dataid' => $dataid); } $initsql .= ' GROUP BY r.id'; $initrecord = $DB->get_recordset_sql($initsql, $params); $idarray = array(); foreach ($initrecord as $data) { $idarray[] = $data->id; } // Close the record set and free up resources. $initrecord->close(); return $idarray; } /** * Get the ids of all the records that match that advanced search criteria * This goes and loops through each criterion one at a time until it either * runs out of records or returns a subset of records. * * @param array $recordids An array of record ids. * @param array $searcharray Contains information for the advanced search criteria * @param int $dataid The data id of the database. * @return array $recordids An array of record ids. */ function data_get_advance_search_ids($recordids, $searcharray, $dataid) { // Check to see if we have any record IDs. if (empty($recordids)) { // Send back an empty search. return array(); } $searchcriteria = array_keys($searcharray); // Loop through and reduce the IDs one search criteria at a time. foreach ($searchcriteria as $key) { $recordids = data_get_recordids($key, $searcharray, $dataid, $recordids); // If we don't have anymore IDs then stop. if (!$recordids) { break; } } return $recordids; } /** * Gets the record IDs given the search criteria * * @param string $alias Record alias. * @param array $searcharray Criteria for the search. * @param int $dataid Data ID for the database * @param array $recordids An array of record IDs. * @return array $nestarray An arry of record IDs */ function data_get_recordids($alias, $searcharray, $dataid, $recordids) { global $DB; $searchcriteria = $alias; // Keep the criteria. $nestsearch = $searcharray[$alias]; // searching for content outside of mdl_data_content if ($alias < 0) { $alias = ''; } list($insql, $params) = $DB->get_in_or_equal($recordids, SQL_PARAMS_NAMED); $nestselect = 'SELECT c' . $alias . '.recordid FROM {data_content} c' . $alias . ' INNER JOIN {data_fields} f ON f.id = c' . $alias . '.fieldid INNER JOIN {data_records} r ON r.id = c' . $alias . '.recordid INNER JOIN {user} u ON u.id = r.userid '; $nestwhere = 'WHERE r.dataid = :dataid AND c' . $alias .'.recordid ' . $insql . ' AND '; $params['dataid'] = $dataid; if (count($nestsearch->params) != 0) { $params = array_merge($params, $nestsearch->params); $nestsql = $nestselect . $nestwhere . $nestsearch->sql; } else if ($searchcriteria == DATA_TIMEMODIFIED) { $nestsql = $nestselect . $nestwhere . $nestsearch->field . ' >= :timemodified GROUP BY c' . $alias . '.recordid'; $params['timemodified'] = $nestsearch->data; } else if ($searchcriteria == DATA_TAGS) { if (empty($nestsearch->rawtagnames)) { return []; } $i = 0; $tagwhere = []; $tagselect = ''; foreach ($nestsearch->rawtagnames as $tagrawname) { $tagselect .= " INNER JOIN {tag_instance} ti_$i ON ti_$i.component = 'mod_data' AND ti_$i.itemtype = 'data_records' AND ti_$i.itemid = r.id INNER JOIN {tag} t_$i ON ti_$i.tagid = t_$i.id "; $tagwhere[] = " t_$i.rawname = :trawname_$i "; $params["trawname_$i"] = $tagrawname; $i++; } $nestsql = $nestselect . $tagselect . $nestwhere . implode(' AND ', $tagwhere); } else { // First name or last name. $thing = $DB->sql_like($nestsearch->field, ':search1', false); $nestsql = $nestselect . $nestwhere . $thing . ' GROUP BY c' . $alias . '.recordid'; $params['search1'] = "%$nestsearch->data%"; } $nestrecords = $DB->get_recordset_sql($nestsql, $params); $nestarray = array(); foreach ($nestrecords as $data) { $nestarray[] = $data->recordid; } // Close the record set and free up resources. $nestrecords->close(); return $nestarray; } /** * Returns an array with an sql string for advanced searches and the parameters that go with them. * * @param int $sort DATA_* * @param stdClass $data Data module object * @param array $recordids An array of record IDs. * @param string $selectdata Information for the where and select part of the sql statement. * @param string $sortorder Additional sort parameters * @return array sqlselect sqlselect['sql'] has the sql string, sqlselect['params'] contains an array of parameters. */ function data_get_advanced_search_sql($sort, $data, $recordids, $selectdata, $sortorder) { global $DB; $namefields = user_picture::fields('u'); // Remove the id from the string. This already exists in the sql statement. $namefields = str_replace('u.id,', '', $namefields); if ($sort == 0) { $nestselectsql = 'SELECT r.id, r.approved, r.timecreated, r.timemodified, r.userid, ' . $namefields . ' FROM {data_content} c, {data_records} r, {user} u '; $groupsql = ' GROUP BY r.id, r.approved, r.timecreated, r.timemodified, r.userid, u.firstname, u.lastname, ' . $namefields; } else { // Sorting through 'Other' criteria if ($sort <= 0) { switch ($sort) { case DATA_LASTNAME: $sortcontentfull = "u.lastname"; break; case DATA_FIRSTNAME: $sortcontentfull = "u.firstname"; break; case DATA_APPROVED: $sortcontentfull = "r.approved"; break; case DATA_TIMEMODIFIED: $sortcontentfull = "r.timemodified"; break; case DATA_TIMEADDED: default: $sortcontentfull = "r.timecreated"; } } else { $sortfield = data_get_field_from_id($sort, $data); $sortcontent = $DB->sql_compare_text('c.' . $sortfield->get_sort_field()); $sortcontentfull = $sortfield->get_sort_sql($sortcontent); } $nestselectsql = 'SELECT r.id, r.approved, r.timecreated, r.timemodified, r.userid, ' . $namefields . ', ' . $sortcontentfull . ' AS sortorder FROM {data_content} c, {data_records} r, {user} u '; $groupsql = ' GROUP BY r.id, r.approved, r.timecreated, r.timemodified, r.userid, ' . $namefields . ', ' .$sortcontentfull; } // Default to a standard Where statement if $selectdata is empty. if ($selectdata == '') { $selectdata = 'WHERE c.recordid = r.id AND r.dataid = :dataid AND r.userid = u.id '; } // Find the field we are sorting on if ($sort > 0 or data_get_field_from_id($sort, $data)) { $selectdata .= ' AND c.fieldid = :sort'; } // If there are no record IDs then return an sql statment that will return no rows. if (count($recordids) != 0) { list($insql, $inparam) = $DB->get_in_or_equal($recordids, SQL_PARAMS_NAMED); } else { list($insql, $inparam) = $DB->get_in_or_equal(array('-1'), SQL_PARAMS_NAMED); } $nestfromsql = $selectdata . ' AND c.recordid ' . $insql . $groupsql; $sqlselect['sql'] = "$nestselectsql $nestfromsql $sortorder"; $sqlselect['params'] = $inparam; return $sqlselect; } /** * Checks to see if the user has permission to delete the preset. * @param stdClass $context Context object. * @param stdClass $preset The preset object that we are checking for deletion. * @return bool Returns true if the user can delete, otherwise false. */ function data_user_can_delete_preset($context, $preset) { global $USER; if (has_capability('mod/data:manageuserpresets', $context)) { return true; } else { $candelete = false; if ($preset->userid == $USER->id) { $candelete = true; } return $candelete; } } /** * Delete a record entry. * * @param int $recordid The ID for the record to be deleted. * @param object $data The data object for this activity. * @param int $courseid ID for the current course (for logging). * @param int $cmid The course module ID. * @return bool True if the record deleted, false if not. */ function data_delete_record($recordid, $data, $courseid, $cmid) { global $DB, $CFG; if ($deleterecord = $DB->get_record('data_records', array('id' => $recordid))) { if ($deleterecord->dataid == $data->id) { if ($contents = $DB->get_records('data_content', array('recordid' => $deleterecord->id))) { foreach ($contents as $content) { if ($field = data_get_field_from_id($content->fieldid, $data)) { $field->delete_content($content->recordid); } } $DB->delete_records('data_content', array('recordid'=>$deleterecord->id)); $DB->delete_records('data_records', array('id'=>$deleterecord->id)); // Delete cached RSS feeds. if (!empty($CFG->enablerssfeeds)) { require_once($CFG->dirroot.'/mod/data/rsslib.php'); data_rss_delete_file($data); } core_tag_tag::remove_all_item_tags('mod_data', 'data_records', $recordid); // Trigger an event for deleting this record. $event = \mod_data\event\record_deleted::create(array( 'objectid' => $deleterecord->id, 'context' => context_module::instance($cmid), 'courseid' => $courseid, 'other' => array( 'dataid' => $deleterecord->dataid ) )); $event->add_record_snapshot('data_records', $deleterecord); $event->trigger(); $course = get_course($courseid); $cm = get_coursemodule_from_instance('data', $data->id, 0, false, MUST_EXIST); data_update_completion_state($data, $course, $cm); return true; } } } return false; } /** * Check for required fields, and build a list of fields to be updated in a * submission. * * @param $mod stdClass The current recordid - provided as an optimisation. * @param $fields array The field data * @param $datarecord stdClass The submitted data. * @return stdClass containing: * * string[] generalnotifications Notifications for the form as a whole. * * string[] fieldnotifications Notifications for a specific field. * * bool validated Whether the field was validated successfully. * * data_field_base[] fields The field objects to be update. */ function data_process_submission(stdClass $mod, $fields, stdClass $datarecord) { $result = new stdClass(); // Empty form checking - you can't submit an empty form. $emptyform = true; $requiredfieldsfilled = true; $fieldsvalidated = true; // Store the notifications. $result->generalnotifications = array(); $result->fieldnotifications = array(); // Store the instantiated classes as an optimisation when processing the result. // This prevents the fields being re-initialised when updating. $result->fields = array(); $submitteddata = array(); foreach ($datarecord as $fieldname => $fieldvalue) { if (strpos($fieldname, '_')) { $namearray = explode('_', $fieldname, 3); $fieldid = $namearray[1]; if (!isset($submitteddata[$fieldid])) { $submitteddata[$fieldid] = array(); } if (count($namearray) === 2) { $subfieldid = 0; } else { $subfieldid = $namearray[2]; } $fielddata = new stdClass(); $fielddata->fieldname = $fieldname; $fielddata->value = $fieldvalue; $submitteddata[$fieldid][$subfieldid] = $fielddata; } } // Check all form fields which have the required are filled. foreach ($fields as $fieldrecord) { // Check whether the field has any data. $fieldhascontent = false; $field = data_get_field($fieldrecord, $mod); if (isset($submitteddata[$fieldrecord->id])) { // Field validation check. if (method_exists($field, 'field_validation')) { $errormessage = $field->field_validation($submitteddata[$fieldrecord->id]); if ($errormessage) { $result->fieldnotifications[$field->field->name][] = $errormessage; $fieldsvalidated = false; } } foreach ($submitteddata[$fieldrecord->id] as $fieldname => $value) { if ($field->notemptyfield($value->value, $value->fieldname)) { // The field has content and the form is not empty. $fieldhascontent = true; $emptyform = false; } } } // If the field is required, add a notification to that effect. if ($field->field->required && !$fieldhascontent) { if (!isset($result->fieldnotifications[$field->field->name])) { $result->fieldnotifications[$field->field->name] = array(); } $result->fieldnotifications[$field->field->name][] = get_string('errormustsupplyvalue', 'data'); $requiredfieldsfilled = false; } // Update the field. if (isset($submitteddata[$fieldrecord->id])) { foreach ($submitteddata[$fieldrecord->id] as $value) { $result->fields[$value->fieldname] = $field; } } } if ($emptyform) { // The form is empty. $result->generalnotifications[] = get_string('emptyaddform', 'data'); } $result->validated = $requiredfieldsfilled && !$emptyform && $fieldsvalidated; return $result; } /** * This standard function will check all instances of this module * and make sure there are up-to-date events created for each of them. * If courseid = 0, then every data event in the site is checked, else * only data events belonging to the course specified are checked. * This function is used, in its new format, by restore_refresh_events() * * @param int $courseid * @param int|stdClass $instance Data module instance or ID. * @param int|stdClass $cm Course module object or ID (not used in this module). * @return bool */ function data_refresh_events($courseid = 0, $instance = null, $cm = null) { global $DB, $CFG; require_once($CFG->dirroot.'/mod/data/locallib.php'); // If we have instance information then we can just update the one event instead of updating all events. if (isset($instance)) { if (!is_object($instance)) { $instance = $DB->get_record('data', array('id' => $instance), '*', MUST_EXIST); } data_set_events($instance); return true; } if ($courseid) { if (! $data = $DB->get_records("data", array("course" => $courseid))) { return true; } } else { if (! $data = $DB->get_records("data")) { return true; } } foreach ($data as $datum) { data_set_events($datum); } return true; } /** * Fetch the configuration for this database activity. * * @param stdClass $database The object returned from the database for this instance * @param string $key The name of the key to retrieve. If none is supplied, then all configuration is returned * @param mixed $default The default value to use if no value was found for the specified key * @return mixed The returned value */ function data_get_config($database, $key = null, $default = null) { if (!empty($database->config)) { $config = json_decode($database->config); } else { $config = new stdClass(); } if ($key === null) { return $config; } if (property_exists($config, $key)) { return $config->$key; } return $default; } /** * Update the configuration for this database activity. * * @param stdClass $database The object returned from the database for this instance * @param string $key The name of the key to set * @param mixed $value The value to set for the key */ function data_set_config(&$database, $key, $value) { // Note: We must pass $database by reference because there may be subsequent calls to update_record and these should // not overwrite the configuration just set. global $DB; $config = data_get_config($database); if (!isset($config->$key) || $config->$key !== $value) { $config->$key = $value; $database->config = json_encode($config); $DB->set_field('data', 'config', $database->config, ['id' => $database->id]); } } /** * Sets the automatic completion state for this database item based on the * count of on its entries. * @since Moodle 3.3 * @param object $data The data object for this activity * @param object $course Course * @param object $cm course-module */ function data_update_completion_state($data, $course, $cm) { // If completion option is enabled, evaluate it and return true/false. $completion = new completion_info($course); if ($data->completionentries && $completion->is_enabled($cm)) { $numentries = data_numentries($data); // Check the number of entries required against the number of entries already made. if ($numentries >= $data->completionentries) { $completion->update_state($cm, COMPLETION_COMPLETE); } else { $completion->update_state($cm, COMPLETION_INCOMPLETE); } } } /** * Obtains the automatic completion state for this database item based on any conditions * on its settings. The call for this is in completion lib where the modulename is appended * to the function name. This is why there are unused parameters. * * @since Moodle 3.3 * @param stdClass $course Course * @param cm_info|stdClass $cm course-module * @param int $userid User ID * @param bool $type Type of comparison (or/and; can be used as return value if no conditions) * @return bool True if completed, false if not, $type if conditions not set. */ function data_get_completion_state($course, $cm, $userid, $type) { global $DB, $PAGE; $result = $type; // Default return value // Get data details. if (isset($PAGE->cm->id) && $PAGE->cm->id == $cm->id) { $data = $PAGE->activityrecord; } else { $data = $DB->get_record('data', array('id' => $cm->instance), '*', MUST_EXIST); } // If completion option is enabled, evaluate it and return true/false. if ($data->completionentries) { $numentries = data_numentries($data, $userid); // Check the number of entries required against the number of entries already made. if ($numentries >= $data->completionentries) { $result = true; } else { $result = false; } } return $result; } /** * Mark the activity completed (if required) and trigger the course_module_viewed event. * * @param stdClass $data data object * @param stdClass $course course object * @param stdClass $cm course module object * @param stdClass $context context object * @since Moodle 3.3 */ function data_view($data, $course, $cm, $context) { global $CFG; require_once($CFG->libdir . '/completionlib.php'); // Trigger course_module_viewed event. $params = array( 'context' => $context, 'objectid' => $data->id ); $event = \mod_data\event\course_module_viewed::create($params); $event->add_record_snapshot('course_modules', $cm); $event->add_record_snapshot('course', $course); $event->add_record_snapshot('data', $data); $event->trigger(); // Completion. $completion = new completion_info($course); $completion->set_module_viewed($cm); } /** * Get icon mapping for font-awesome. */ function mod_data_get_fontawesome_icon_map() { return [ 'mod_data:field/checkbox' => 'fa-check-square-o', 'mod_data:field/date' => 'fa-calendar-o', 'mod_data:field/file' => 'fa-file', 'mod_data:field/latlong' => 'fa-globe', 'mod_data:field/menu' => 'fa-bars', 'mod_data:field/multimenu' => 'fa-bars', 'mod_data:field/number' => 'fa-hashtag', 'mod_data:field/picture' => 'fa-picture-o', 'mod_data:field/radiobutton' => 'fa-circle-o', 'mod_data:field/textarea' => 'fa-font', 'mod_data:field/text' => 'fa-i-cursor', 'mod_data:field/url' => 'fa-link', ]; } /* * Check if the module has any update that affects the current user since a given time. * * @param cm_info $cm course module data * @param int $from the time to check updates from * @param array $filter if we need to check only specific updates * @return stdClass an object with the different type of areas indicating if they were updated or not * @since Moodle 3.2 */ function data_check_updates_since(cm_info $cm, $from, $filter = array()) { global $DB, $CFG; require_once($CFG->dirroot . '/mod/data/locallib.php'); $updates = course_check_module_updates_since($cm, $from, array(), $filter); // Check for new entries. $updates->entries = (object) array('updated' => false); $data = $DB->get_record('data', array('id' => $cm->instance), '*', MUST_EXIST); $searcharray = []; $searcharray[DATA_TIMEMODIFIED] = new stdClass(); $searcharray[DATA_TIMEMODIFIED]->sql = ''; $searcharray[DATA_TIMEMODIFIED]->params = array(); $searcharray[DATA_TIMEMODIFIED]->field = 'r.timemodified'; $searcharray[DATA_TIMEMODIFIED]->data = $from; $currentgroup = groups_get_activity_group($cm); // Teachers should retrieve all entries when not in separate groups. if (has_capability('mod/data:manageentries', $cm->context) && groups_get_activity_groupmode($cm) != SEPARATEGROUPS) { $currentgroup = 0; } list($entries, $maxcount, $totalcount, $page, $nowperpage, $sort, $mode) = data_search_entries($data, $cm, $cm->context, 'list', $currentgroup, '', null, null, 0, 0, true, $searcharray); if (!empty($entries)) { $updates->entries->updated = true; $updates->entries->itemids = array_keys($entries); } return $updates; } /** * This function receives a calendar event and returns the action associated with it, or null if there is none. * * This is used by block_myoverview in order to display the event appropriately. If null is returned then the event * is not displayed on the block. * * @param calendar_event $event * @param \core_calendar\action_factory $factory * @param int $userid User id to use for all capability checks, etc. Set to 0 for current user (default). * @return \core_calendar\local\event\entities\action_interface|null */ function mod_data_core_calendar_provide_event_action(calendar_event $event, \core_calendar\action_factory $factory, int $userid = 0) { global $USER; if (!$userid) { $userid = $USER->id; } $cm = get_fast_modinfo($event->courseid, $userid)->instances['data'][$event->instance]; if (!$cm->uservisible) { // The module is not visible to the user for any reason. return null; } $now = time(); if (!empty($cm->customdata['timeavailableto']) && $cm->customdata['timeavailableto'] < $now) { // The module has closed so the user can no longer submit anything. return null; } // The module is actionable if we don't have a start time or the start time is // in the past. $actionable = (empty($cm->customdata['timeavailablefrom']) || $cm->customdata['timeavailablefrom'] <= $now); return $factory->create_instance( get_string('add', 'data'), new \moodle_url('/mod/data/view.php', array('id' => $cm->id)), 1, $actionable ); } /** * Add a get_coursemodule_info function in case any database type wants to add 'extra' information * for the course (see resource). * * Given a course_module object, this function returns any "extra" information that may be needed * when printing this activity in a course listing. See get_array_of_activities() in course/lib.php. * * @param stdClass $coursemodule The coursemodule object (record). * @return cached_cm_info An object on information that the courses * will know about (most noticeably, an icon). */ function data_get_coursemodule_info($coursemodule) { global $DB; $dbparams = ['id' => $coursemodule->instance]; $fields = 'id, name, intro, introformat, completionentries, timeavailablefrom, timeavailableto'; if (!$data = $DB->get_record('data', $dbparams, $fields)) { return false; } $result = new cached_cm_info(); $result->name = $data->name; if ($coursemodule->showdescription) { // Convert intro to html. Do not filter cached version, filters run at display time. $result->content = format_module_intro('data', $data, $coursemodule->id, false); } // Populate the custom completion rules as key => value pairs, but only if the completion mode is 'automatic'. if ($coursemodule->completion == COMPLETION_TRACKING_AUTOMATIC) { $result->customdata['customcompletionrules']['completionentries'] = $data->completionentries; } // Other properties that may be used in calendar or on dashboard. if ($data->timeavailablefrom) { $result->customdata['timeavailablefrom'] = $data->timeavailablefrom; } if ($data->timeavailableto) { $result->customdata['timeavailableto'] = $data->timeavailableto; } return $result; } /** * Callback which returns human-readable strings describing the active completion custom rules for the module instance. * * @param cm_info|stdClass $cm object with fields ->completion and ->customdata['customcompletionrules'] * @return array $descriptions the array of descriptions for the custom rules. */ function mod_data_get_completion_active_rule_descriptions($cm) { // Values will be present in cm_info, and we assume these are up to date. if (empty($cm->customdata['customcompletionrules']) || $cm->completion != COMPLETION_TRACKING_AUTOMATIC) { return []; } $descriptions = []; foreach ($cm->customdata['customcompletionrules'] as $key => $val) { switch ($key) { case 'completionentries': if (!empty($val)) { $descriptions[] = get_string('completionentriesdesc', 'data', $val); } break; default: break; } } return $descriptions; } /** * This function calculates the minimum and maximum cutoff values for the timestart of * the given event. * * It will return an array with two values, the first being the minimum cutoff value and * the second being the maximum cutoff value. Either or both values can be null, which * indicates there is no minimum or maximum, respectively. * * If a cutoff is required then the function must return an array containing the cutoff * timestamp and error string to display to the user if the cutoff value is violated. * * A minimum and maximum cutoff return value will look like: * [ * [1505704373, 'The due date must be after the sbumission start date'], * [1506741172, 'The due date must be before the cutoff date'] * ] * * @param calendar_event $event The calendar event to get the time range for * @param stdClass $instance The module instance to get the range from * @return array */ function mod_data_core_calendar_get_valid_event_timestart_range(\calendar_event $event, \stdClass $instance) { $mindate = null; $maxdate = null; if ($event->eventtype == DATA_EVENT_TYPE_OPEN) { // The start time of the open event can't be equal to or after the // close time of the database activity. if (!empty($instance->timeavailableto)) { $maxdate = [ $instance->timeavailableto, get_string('openafterclose', 'data') ]; } } else if ($event->eventtype == DATA_EVENT_TYPE_CLOSE) { // The start time of the close event can't be equal to or earlier than the // open time of the database activity. if (!empty($instance->timeavailablefrom)) { $mindate = [ $instance->timeavailablefrom, get_string('closebeforeopen', 'data') ]; } } return [$mindate, $maxdate]; } /** * This function will update the data module according to the * event that has been modified. * * It will set the timeopen or timeclose value of the data instance * according to the type of event provided. * * @throws \moodle_exception * @param \calendar_event $event * @param stdClass $data The module instance to get the range from */ function mod_data_core_calendar_event_timestart_updated(\calendar_event $event, \stdClass $data) { global $DB; if (empty($event->instance) || $event->modulename != 'data') { return; } if ($event->instance != $data->id) { return; } if (!in_array($event->eventtype, [DATA_EVENT_TYPE_OPEN, DATA_EVENT_TYPE_CLOSE])) { return; } $courseid = $event->courseid; $modulename = $event->modulename; $instanceid = $event->instance; $modified = false; $coursemodule = get_fast_modinfo($courseid)->instances[$modulename][$instanceid]; $context = context_module::instance($coursemodule->id); // The user does not have the capability to modify this activity. if (!has_capability('moodle/course:manageactivities', $context)) { return; } if ($event->eventtype == DATA_EVENT_TYPE_OPEN) { // If the event is for the data activity opening then we should // set the start time of the data activity to be the new start // time of the event. if ($data->timeavailablefrom != $event->timestart) { $data->timeavailablefrom = $event->timestart; $data->timemodified = time(); $modified = true; } } else if ($event->eventtype == DATA_EVENT_TYPE_CLOSE) { // If the event is for the data activity closing then we should // set the end time of the data activity to be the new start // time of the event. if ($data->timeavailableto != $event->timestart) { $data->timeavailableto = $event->timestart; $modified = true; } } if ($modified) { $data->timemodified = time(); $DB->update_record('data', $data); $event = \core\event\course_module_updated::create_from_cm($coursemodule, $context); $event->trigger(); } }