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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/>.
/**
* Contains the class used for the displaying the participants table.
*
* @package core_user
* @copyright 2017 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_user;
use context;
use core_user\output\status_field;
use DateTime;
defined('MOODLE_INTERNAL') || die;
global $CFG;
require_once($CFG->libdir . '/tablelib.php');
require_once($CFG->dirroot . '/user/lib.php');
/**
* Class for the displaying the participants table.
*
* @package core_user
* @copyright 2017 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class participants_table extends \table_sql {
/**
* @var int $courseid The course id
*/
protected $courseid;
/**
* @var int|false False if groups not used, int if groups used, 0 for all groups.
*/
protected $currentgroup;
/**
* @var int $accesssince The time the user last accessed the site
*/
protected $accesssince;
/**
* @var int $roleid The role we are including, 0 means all enrolled users
*/
protected $roleid;
/**
* @var int $enrolid The applied filter for the user enrolment ID.
*/
protected $enrolid;
/**
* @var int $status The applied filter for the user's enrolment status.
*/
protected $status;
/**
* @var string $search The string being searched.
*/
protected $search;
/**
* @var bool $selectall Has the user selected all users on the page?
*/
protected $selectall;
/**
* @var string[] The list of countries.
*/
protected $countries;
/**
* @var \stdClass[] The list of groups with membership info for the course.
*/
protected $groups;
/**
* @var string[] Extra fields to display.
*/
protected $extrafields;
/**
* @var \stdClass $course The course details.
*/
protected $course;
/**
* @var context $context The course context.
*/
protected $context;
/**
* @var \stdClass[] List of roles indexed by roleid.
*/
protected $allroles;
/**
* @var \stdClass[] List of roles indexed by roleid.
*/
protected $allroleassignments;
/**
* @var \stdClass[] Assignable roles in this course.
*/
protected $assignableroles;
/**
* @var \stdClass[] Profile roles in this course.
*/
protected $profileroles;
/** @var \stdClass[] $viewableroles */
private $viewableroles;
/**
* Sets up the table.
*
* @param int $courseid
* @param int|false $currentgroup False if groups not used, int if groups used, 0 all groups, USERSWITHOUTGROUP for no group
* @param int $accesssince The time the user last accessed the site
* @param int $roleid The role we are including, 0 means all enrolled users
* @param int $enrolid The applied filter for the user enrolment ID.
* @param int $status The applied filter for the user's enrolment status.
* @param string|array $search The search string(s)
* @param bool $bulkoperations Is the user allowed to perform bulk operations?
* @param bool $selectall Has the user selected all users on the page?
*/
public function __construct($courseid, $currentgroup, $accesssince, $roleid, $enrolid, $status, $search,
$bulkoperations, $selectall) {
global $CFG, $OUTPUT;
parent::__construct('user-index-participants-' . $courseid);
$this->selectall = $selectall;
// Get the context.
$this->course = get_course($courseid);
$context = \context_course::instance($courseid, MUST_EXIST);
$this->context = $context;
// Define the headers and columns.
$headers = [];
$columns = [];
if ($bulkoperations) {
$mastercheckbox = new \core\output\checkbox_toggleall('participants-table', true, [
'id' => 'select-all-participants',
'name' => 'select-all-participants',
'label' => $this->selectall ? get_string('deselectall') : get_string('selectall'),
'labelclasses' => 'sr-only',
'classes' => 'm-1',
'checked' => $this->selectall
]);
$headers[] = $OUTPUT->render($mastercheckbox);
$columns[] = 'select';
}
$headers[] = get_string('fullname');
$columns[] = 'fullname';
$extrafields = get_extra_user_fields($context);
foreach ($extrafields as $field) {
$headers[] = get_user_field_name($field);
$columns[] = $field;
}
$headers[] = get_string('roles');
$columns[] = 'roles';
// Get the list of fields we have to hide.
$hiddenfields = array();
if (!has_capability('moodle/course:viewhiddenuserfields', $context)) {
$hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
}
// Add column for groups if the user can view them.
$canseegroups = !isset($hiddenfields['groups']);
if ($canseegroups) {
$headers[] = get_string('groups');
$columns[] = 'groups';
}
// Do not show the columns if it exists in the hiddenfields array.
if (!isset($hiddenfields['lastaccess'])) {
if ($courseid == SITEID) {
$headers[] = get_string('lastsiteaccess');
} else {
$headers[] = get_string('lastcourseaccess');
}
$columns[] = 'lastaccess';
}
$canreviewenrol = has_capability('moodle/course:enrolreview', $context);
if ($canreviewenrol && $courseid != SITEID) {
$columns[] = 'status';
$headers[] = get_string('participationstatus', 'enrol');
$this->no_sorting('status');
};
$this->define_columns($columns);
$this->define_headers($headers);
// The name column is a header.
$this->define_header_column('fullname');
// Make this table sorted by last name by default.
$this->sortable(true, 'lastname');
$this->no_sorting('select');
$this->no_sorting('roles');
if ($canseegroups) {
$this->no_sorting('groups');
}
$this->set_attribute('id', 'participants');
// Set the variables we need to use later.
$this->currentgroup = $currentgroup;
$this->accesssince = $accesssince;
$this->roleid = $roleid;
$this->search = $search;
$this->enrolid = $enrolid;
$this->status = $status;
$this->countries = get_string_manager()->get_list_of_countries(true);
$this->extrafields = $extrafields;
$this->context = $context;
if ($canseegroups) {
$this->groups = groups_get_all_groups($courseid, 0, 0, 'g.*', true);
}
$this->allroles = role_fix_names(get_all_roles($this->context), $this->context);
$this->assignableroles = get_assignable_roles($this->context, ROLENAME_ALIAS, false);
$this->profileroles = get_profile_roles($this->context);
$this->viewableroles = get_viewable_roles($this->context);
}
/**
* Render the participants table.
*
* @param int $pagesize Size of page for paginated displayed table.
* @param bool $useinitialsbar Whether to use the initials bar which will only be used if there is a fullname column defined.
* @param string $downloadhelpbutton
*/
public function out($pagesize, $useinitialsbar, $downloadhelpbutton = '') {
global $PAGE;
parent::out($pagesize, $useinitialsbar, $downloadhelpbutton);
if (has_capability('moodle/course:enrolreview', $this->context)) {
$params = ['contextid' => $this->context->id, 'courseid' => $this->course->id];
$PAGE->requires->js_call_amd('core_user/status_field', 'init', [$params]);
}
}
/**
* Generate the select column.
*
* @param \stdClass $data
* @return string
*/
public function col_select($data) {
global $OUTPUT;
$checkbox = new \core\output\checkbox_toggleall('participants-table', false, [
'classes' => 'usercheckbox m-1',
'id' => 'user' . $data->id,
'name' => 'user' . $data->id,
'checked' => $this->selectall,
'label' => get_string('selectitem', 'moodle', fullname($data)),
'labelclasses' => 'accesshide',
]);
return $OUTPUT->render($checkbox);
}
/**
* Generate the fullname column.
*
* @param \stdClass $data
* @return string
*/
public function col_fullname($data) {
global $OUTPUT;
return $OUTPUT->user_picture($data, array('size' => 35, 'courseid' => $this->course->id, 'includefullname' => true));
}
/**
* User roles column.
*
* @param \stdClass $data
* @return string
*/
public function col_roles($data) {
global $OUTPUT;
$roles = isset($this->allroleassignments[$data->id]) ? $this->allroleassignments[$data->id] : [];
$editable = new \core_user\output\user_roles_editable($this->course,
$this->context,
$data,
$this->allroles,
$this->assignableroles,
$this->profileroles,
$roles,
$this->viewableroles);
return $OUTPUT->render_from_template('core/inplace_editable', $editable->export_for_template($OUTPUT));
}
/**
* Generate the groups column.
*
* @param \stdClass $data
* @return string
*/
public function col_groups($data) {
global $OUTPUT;
$usergroups = [];
foreach ($this->groups as $coursegroup) {
if (isset($coursegroup->members[$data->id])) {
$usergroups[] = $coursegroup->id;
}
}
$editable = new \core_group\output\user_groups_editable($this->course, $this->context, $data, $this->groups, $usergroups);
return $OUTPUT->render_from_template('core/inplace_editable', $editable->export_for_template($OUTPUT));
}
/**
* Generate the country column.
*
* @param \stdClass $data
* @return string
*/
public function col_country($data) {
if (!empty($this->countries[$data->country])) {
return $this->countries[$data->country];
}
return '';
}
/**
* Generate the last access column.
*
* @param \stdClass $data
* @return string
*/
public function col_lastaccess($data) {
if ($data->lastaccess) {
return format_time(time() - $data->lastaccess);
}
return get_string('never');
}
/**
* Generate the status column.
*
* @param \stdClass $data The data object.
* @return string
*/
public function col_status($data) {
global $CFG, $OUTPUT, $PAGE;
$enrolstatusoutput = '';
$canreviewenrol = has_capability('moodle/course:enrolreview', $this->context);
if ($canreviewenrol) {
$canviewfullnames = has_capability('moodle/site:viewfullnames', $this->context);
$fullname = fullname($data, $canviewfullnames);
$coursename = format_string($this->course->fullname, true, array('context' => $this->context));
require_once($CFG->dirroot . '/enrol/locallib.php');
$manager = new \course_enrolment_manager($PAGE, $this->course);
$userenrolments = $manager->get_user_enrolments($data->id);
foreach ($userenrolments as $ue) {
$timestart = $ue->timestart;
$timeend = $ue->timeend;
$timeenrolled = $ue->timecreated;
$actions = $ue->enrolmentplugin->get_user_enrolment_actions($manager, $ue);
$instancename = $ue->enrolmentinstancename;
// Default status field label and value.
$status = get_string('participationactive', 'enrol');
$statusval = status_field::STATUS_ACTIVE;
switch ($ue->status) {
case ENROL_USER_ACTIVE:
$currentdate = new DateTime();
$now = $currentdate->getTimestamp();
$isexpired = $timestart > $now || ($timeend > 0 && $timeend < $now);
$enrolmentdisabled = $ue->enrolmentinstance->status == ENROL_INSTANCE_DISABLED;
// If user enrolment status has not yet started/already ended or the enrolment instance is disabled.
if ($isexpired || $enrolmentdisabled) {
$status = get_string('participationnotcurrent', 'enrol');
$statusval = status_field::STATUS_NOT_CURRENT;
}
break;
case ENROL_USER_SUSPENDED:
$status = get_string('participationsuspended', 'enrol');
$statusval = status_field::STATUS_SUSPENDED;
break;
}
$statusfield = new status_field($instancename, $coursename, $fullname, $status, $timestart, $timeend,
$actions, $timeenrolled);
$statusfielddata = $statusfield->set_status($statusval)->export_for_template($OUTPUT);
$enrolstatusoutput .= $OUTPUT->render_from_template('core_user/status_field', $statusfielddata);
}
}
return $enrolstatusoutput;
}
/**
* This function is used for the extra user fields.
*
* These are being dynamically added to the table so there are no functions 'col_<userfieldname>' as
* the list has the potential to increase in the future and we don't want to have to remember to add
* a new method to this class. We also don't want to pollute this class with unnecessary methods.
*
* @param string $colname The column name
* @param \stdClass $data
* @return string
*/
public function other_cols($colname, $data) {
// Do not process if it is not a part of the extra fields.
if (!in_array($colname, $this->extrafields)) {
return '';
}
return s($data->{$colname});
}
/**
* Query the database for results to display in the table.
*
* @param int $pagesize size of page for paginated displayed table.
* @param bool $useinitialsbar do you want to use the initials bar.
*/
public function query_db($pagesize, $useinitialsbar = true) {
list($twhere, $tparams) = $this->get_sql_where();
$total = user_get_total_participants($this->course->id, $this->currentgroup, $this->accesssince,
$this->roleid, $this->enrolid, $this->status, $this->search, $twhere, $tparams);
$this->pagesize($pagesize, $total);
$sort = $this->get_sql_sort();
if ($sort) {
$sort = 'ORDER BY ' . $sort;
}
$rawdata = user_get_participants($this->course->id, $this->currentgroup, $this->accesssince,
$this->roleid, $this->enrolid, $this->status, $this->search, $twhere, $tparams, $sort, $this->get_page_start(),
$this->get_page_size());
$this->rawdata = [];
foreach ($rawdata as $user) {
$this->rawdata[$user->id] = $user;
}
$rawdata->close();
if ($this->rawdata) {
$this->allroleassignments = get_users_roles($this->context, array_keys($this->rawdata),
true, 'c.contextlevel DESC, r.sortorder ASC');
} else {
$this->allroleassignments = [];
}
// Set initial bars.
if ($useinitialsbar) {
$this->initialbars(true);
}
}
/**
* Override the table show_hide_link to not show for select column.
*
* @param string $column the column name, index into various names.
* @param int $index numerical index of the column.
* @return string HTML fragment.
*/
protected function show_hide_link($column, $index) {
if ($index > 0) {
return parent::show_hide_link($column, $index);
}
return '';
}
}