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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/>.
/**
* Workshop external API
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
require_once($CFG->dirroot . '/mod/workshop/locallib.php');
use mod_workshop\external\workshop_summary_exporter;
use mod_workshop\external\submission_exporter;
use mod_workshop\external\assessment_exporter;
/**
* Workshop external functions
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
class mod_workshop_external extends external_api {
/**
* Describes the parameters for get_workshops_by_courses.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_parameters() {
return new external_function_parameters (
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Course id'), 'Array of course ids', VALUE_DEFAULT, array()
),
)
);
}
/**
* Returns a list of workshops in a provided list of courses.
* If no list is provided all workshops that the user can view will be returned.
*
* @param array $courseids course ids
* @return array of warnings and workshops
* @since Moodle 3.4
*/
public static function get_workshops_by_courses($courseids = array()) {
global $PAGE;
$warnings = array();
$returnedworkshops = array();
$params = array(
'courseids' => $courseids,
);
$params = self::validate_parameters(self::get_workshops_by_courses_parameters(), $params);
$mycourses = array();
if (empty($params['courseids'])) {
$mycourses = enrol_get_my_courses();
$params['courseids'] = array_keys($mycourses);
}
// Ensure there are courseids to loop through.
if (!empty($params['courseids'])) {
list($courses, $warnings) = external_util::validate_courses($params['courseids'], $mycourses);
$output = $PAGE->get_renderer('core');
// Get the workshops in this course, this function checks users visibility permissions.
// We can avoid then additional validate_context calls.
$workshops = get_all_instances_in_courses("workshop", $courses);
foreach ($workshops as $workshop) {
$context = context_module::instance($workshop->coursemodule);
// Remove fields that are not from the workshop (added by get_all_instances_in_courses).
unset($workshop->coursemodule, $workshop->context, $workshop->visible, $workshop->section, $workshop->groupmode,
$workshop->groupingid);
$exporter = new workshop_summary_exporter($workshop, array('context' => $context));
$returnedworkshops[] = $exporter->export($output);
}
}
$result = array(
'workshops' => $returnedworkshops,
'warnings' => $warnings
);
return $result;
}
/**
* Describes the get_workshops_by_courses return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_returns() {
return new external_single_structure(
array(
'workshops' => new external_multiple_structure(
workshop_summary_exporter::get_read_structure()
),
'warnings' => new external_warnings(),
)
);
}
/**
* Utility function for validating a workshop.
*
* @param int $workshopid workshop instance id
* @return array array containing the workshop object, course, context and course module objects
* @since Moodle 3.4
*/
protected static function validate_workshop($workshopid) {
global $DB, $USER;
// Request and permission validation.
$workshop = $DB->get_record('workshop', array('id' => $workshopid), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($workshop, 'workshop');
$context = context_module::instance($cm->id);
self::validate_context($context);
$workshop = new workshop($workshop, $cm, $course);
return array($workshop, $course, $cm, $context);
}
/**
* Describes the parameters for get_workshop_access_information.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function get_workshop_access_information_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.')
)
);
}
/**
* Return access information for a given workshop.
*
* @param int $workshopid workshop instance id
* @return array of warnings and the access information
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_workshop_access_information($workshopid) {
global $USER;
$params = self::validate_parameters(self::get_workshop_access_information_parameters(), array('workshopid' => $workshopid));
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
$result = array();
// Return all the available capabilities.
$capabilities = load_capability_def('mod_workshop');
foreach ($capabilities as $capname => $capdata) {
// Get fields like cansubmit so it is consistent with the access_information function implemented in other modules.
$field = 'can' . str_replace('mod/workshop:', '', $capname);
$result[$field] = has_capability($capname, $context);
}
// Now, specific features access information.
$result['creatingsubmissionallowed'] = $workshop->creating_submission_allowed($USER->id);
$result['modifyingsubmissionallowed'] = $workshop->modifying_submission_allowed($USER->id);
$result['assessingallowed'] = $workshop->assessing_allowed($USER->id);
$result['assessingexamplesallowed'] = $workshop->assessing_examples_allowed();
if (is_null($result['assessingexamplesallowed'])) {
$result['assessingexamplesallowed'] = false;
}
$result['examplesassessedbeforesubmission'] = $workshop->check_examples_assessed_before_submission($USER->id);
list($result['examplesassessedbeforeassessment'], $code) = $workshop->check_examples_assessed_before_assessment($USER->id);
$result['warnings'] = array();
return $result;
}
/**
* Describes the get_workshop_access_information return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_workshop_access_information_returns() {
$structure = array(
'creatingsubmissionallowed' => new external_value(PARAM_BOOL,
'Is the given user allowed to create their submission?'),
'modifyingsubmissionallowed' => new external_value(PARAM_BOOL,
'Is the user allowed to modify his existing submission?'),
'assessingallowed' => new external_value(PARAM_BOOL,
'Is the user allowed to create/edit his assessments?'),
'assessingexamplesallowed' => new external_value(PARAM_BOOL,
'Are reviewers allowed to create/edit their assessments of the example submissions?.'),
'examplesassessedbeforesubmission' => new external_value(PARAM_BOOL,
'Whether the given user has assessed all his required examples before submission
(always true if there are not examples to assess or not configured to check before submission).'),
'examplesassessedbeforeassessment' => new external_value(PARAM_BOOL,
'Whether the given user has assessed all his required examples before assessment
(always true if there are not examples to assessor not configured to check before assessment).'),
'warnings' => new external_warnings()
);
$capabilities = load_capability_def('mod_workshop');
foreach ($capabilities as $capname => $capdata) {
// Get fields like cansubmit so it is consistent with the access_information function implemented in other modules.
$field = 'can' . str_replace('mod/workshop:', '', $capname);
$structure[$field] = new external_value(PARAM_BOOL, 'Whether the user has the capability ' . $capname . ' allowed.');
}
return new external_single_structure($structure);
}
/**
* Describes the parameters for get_user_plan.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function get_user_plan_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'userid' => new external_value(PARAM_INT, 'User id (empty or 0 for current user).', VALUE_DEFAULT, 0),
)
);
}
/**
* Return the planner information for the given user.
*
* @param int $workshopid workshop instance id
* @param int $userid user id
* @return array of warnings and the user plan
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_user_plan($workshopid, $userid = 0) {
global $USER;
$params = array(
'workshopid' => $workshopid,
'userid' => $userid,
);
$params = self::validate_parameters(self::get_user_plan_parameters(), $params);
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
// Extra checks so only users with permissions can view other users plans.
if (empty($params['userid']) || $params['userid'] == $USER->id) {
$userid = $USER->id;
} else {
require_capability('moodle/course:manageactivities', $context);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
if (!$workshop->check_group_membership($user->id)) {
throw new moodle_exception('notingroup');
}
$userid = $user->id;
}
// Get the user plan information ready for external functions.
$userplan = new workshop_user_plan($workshop, $userid);
$userplan = array('phases' => $userplan->phases, 'examples' => $userplan->get_examples());
foreach ($userplan['phases'] as $phasecode => $phase) {
$phase->code = $phasecode;
$userplan['phases'][$phasecode] = (array) $phase;
foreach ($userplan['phases'][$phasecode]['tasks'] as $taskcode => $task) {
$task->code = $taskcode;
if ($task->link instanceof moodle_url) {
$task->link = $task->link->out(false);
}
$userplan['phases'][$phasecode]['tasks'][$taskcode] = (array) $task;
}
foreach ($userplan['phases'][$phasecode]['actions'] as $actioncode => $action) {
if ($action->url instanceof moodle_url) {
$action->url = $action->url->out(false);
}
$userplan['phases'][$phasecode]['actions'][$actioncode] = (array) $action;
}
}
$result['userplan'] = $userplan;
$result['warnings'] = array();
return $result;
}
/**
* Describes the get_user_plan return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_user_plan_returns() {
return new external_single_structure(
array(
'userplan' => new external_single_structure(
array(
'phases' => new external_multiple_structure(
new external_single_structure(
array(
'code' => new external_value(PARAM_INT, 'Phase code.'),
'title' => new external_value(PARAM_NOTAGS, 'Phase title.'),
'active' => new external_value(PARAM_BOOL, 'Whether is the active task.'),
'tasks' => new external_multiple_structure(
new external_single_structure(
array(
'code' => new external_value(PARAM_ALPHA, 'Task code.'),
'title' => new external_value(PARAM_RAW, 'Task title.'),
'link' => new external_value(PARAM_URL, 'Link to task.'),
'details' => new external_value(PARAM_RAW, 'Task details.', VALUE_OPTIONAL),
'completed' => new external_value(PARAM_NOTAGS,
'Completion information (maybe empty, maybe a boolean or generic info.'),
)
)
),
'actions' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHA, 'Action type.', VALUE_OPTIONAL),
'label' => new external_value(PARAM_RAW, 'Action label.', VALUE_OPTIONAL),
'url' => new external_value(PARAM_URL, 'Link to action.'),
'method' => new external_value(PARAM_ALPHA, 'Get or post.', VALUE_OPTIONAL),
)
)
),
)
)
),
'examples' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'Example submission id.'),
'title' => new external_value(PARAM_RAW, 'Example submission title.'),
'assessmentid' => new external_value(PARAM_INT, 'Example submission assessment id.'),
'grade' => new external_value(PARAM_FLOAT, 'The submission grade.'),
'gradinggrade' => new external_value(PARAM_FLOAT, 'The assessment grade.'),
)
)
),
)
),
'warnings' => new external_warnings(),
)
);
}
/**
* Describes the parameters for view_workshop.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function view_workshop_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id'),
)
);
}
/**
* Trigger the course module viewed event and update the module completion status.
*
* @param int $workshopid workshop instance id
* @return array of warnings and status result
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function view_workshop($workshopid) {
$params = array('workshopid' => $workshopid);
$params = self::validate_parameters(self::view_workshop_parameters(), $params);
$warnings = array();
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
$workshop->set_module_viewed();
$result = array(
'status' => true,
'warnings' => $warnings,
);
return $result;
}
/**
* Describes the view_workshop return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function view_workshop_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if success'),
'warnings' => new external_warnings(),
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function add_submission_parameters() {
return new external_function_parameters(array(
'workshopid' => new external_value(PARAM_INT, 'Workshop id'),
'title' => new external_value(PARAM_TEXT, 'Submission title'),
'content' => new external_value(PARAM_RAW, 'Submission text content', VALUE_DEFAULT, ''),
'contentformat' => new external_value(PARAM_INT, 'The format used for the content', VALUE_DEFAULT, FORMAT_MOODLE),
'inlineattachmentsid' => new external_value(PARAM_INT, 'The draft file area id for inline attachments in the content',
VALUE_DEFAULT, 0),
'attachmentsid' => new external_value(PARAM_INT, 'The draft file area id for attachments', VALUE_DEFAULT, 0),
));
}
/**
* Add a new submission to a given workshop.
*
* @param int $workshopid the workshop id
* @param string $title the submission title
* @param string $content the submission text content
* @param int $contentformat the format used for the content
* @param int $inlineattachmentsid the draft file area id for inline attachments in the content
* @param int $attachmentsid the draft file area id for attachments
* @return array Containing the new created submission id and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function add_submission($workshopid, $title, $content = '', $contentformat = FORMAT_MOODLE,
$inlineattachmentsid = 0, $attachmentsid = 0) {
global $USER;
$params = self::validate_parameters(self::add_submission_parameters(), array(
'workshopid' => $workshopid,
'title' => $title,
'content' => $content,
'contentformat' => $contentformat,
'inlineattachmentsid' => $inlineattachmentsid,
'attachmentsid' => $attachmentsid,
));
$warnings = array();
// Get and validate the workshop.
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
require_capability('mod/workshop:submit', $context);
// Check if we can submit now.
$canaddsubmission = $workshop->creating_submission_allowed($USER->id);
$canaddsubmission = $canaddsubmission && $workshop->check_examples_assessed_before_submission($USER->id);
if (!$canaddsubmission) {
throw new moodle_exception('nopermissions', 'error', '', 'add submission');
}
// Prepare the submission object.
$submission = new stdClass;
$submission->id = null;
$submission->cmid = $cm->id;
$submission->example = 0;
$submission->title = trim($params['title']);
$submission->content_editor = array(
'text' => $params['content'],
'format' => $params['contentformat'],
'itemid' => $params['inlineattachmentsid'],
);
$submission->attachment_filemanager = $params['attachmentsid'];
if (empty($submission->title)) {
throw new moodle_exception('errorinvalidparam', 'webservice', '', 'title');
}
$errors = $workshop->validate_submission_data((array) $submission);
// We can get several errors, return them in warnings.
if (!empty($errors)) {
$submission->id = 0;
foreach ($errors as $itemname => $message) {
$warnings[] = array(
'item' => $itemname,
'itemid' => 0,
'warningcode' => 'fielderror',
'message' => s($message)
);
}
return array(
'status' => false,
'warnings' => $warnings
);
} else {
$submission->id = $workshop->edit_submission($submission);
return array(
'status' => true,
'submissionid' => $submission->id,
'warnings' => $warnings
);
}
}
/**
* Returns the description of the external function return value.
*
* @return external_description
* @since Moodle 3.4
*/
public static function add_submission_returns() {
return new external_single_structure(array(
'status' => new external_value(PARAM_BOOL, 'True if the submission was created false otherwise.'),
'submissionid' => new external_value(PARAM_INT, 'New workshop submission id.', VALUE_OPTIONAL),
'warnings' => new external_warnings()
));
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function update_submission_parameters() {
return new external_function_parameters(array(
'submissionid' => new external_value(PARAM_INT, 'Submission id'),
'title' => new external_value(PARAM_TEXT, 'Submission title'),
'content' => new external_value(PARAM_RAW, 'Submission text content', VALUE_DEFAULT, ''),
'contentformat' => new external_value(PARAM_INT, 'The format used for the content', VALUE_DEFAULT, FORMAT_MOODLE),
'inlineattachmentsid' => new external_value(PARAM_INT, 'The draft file area id for inline attachments in the content',
VALUE_DEFAULT, 0),
'attachmentsid' => new external_value(PARAM_INT, 'The draft file area id for attachments', VALUE_DEFAULT, 0),
));
}
/**
* Updates the given submission.
*
* @param int $submissionid the submission id
* @param string $title the submission title
* @param string $content the submission text content
* @param int $contentformat the format used for the content
* @param int $inlineattachmentsid the draft file area id for inline attachments in the content
* @param int $attachmentsid the draft file area id for attachments
* @return array whether the submission was updated and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function update_submission($submissionid, $title, $content = '', $contentformat = FORMAT_MOODLE,
$inlineattachmentsid = 0, $attachmentsid = 0) {
global $USER, $DB;
$params = self::validate_parameters(self::update_submission_parameters(), array(
'submissionid' => $submissionid,
'title' => $title,
'content' => $content,
'contentformat' => $contentformat,
'inlineattachmentsid' => $inlineattachmentsid,
'attachmentsid' => $attachmentsid,
));
$warnings = array();
// Get and validate the submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
require_capability('mod/workshop:submit', $context);
// Check if we can update the submission.
$canupdatesubmission = $submission->authorid == $USER->id;
$canupdatesubmission = $canupdatesubmission && $workshop->modifying_submission_allowed($USER->id);
$canupdatesubmission = $canupdatesubmission && $workshop->check_examples_assessed_before_submission($USER->id);
if (!$canupdatesubmission) {
throw new moodle_exception('nopermissions', 'error', '', 'update submission');
}
// Prepare the submission object.
$submission->title = trim($params['title']);
if (empty($submission->title)) {
throw new moodle_exception('errorinvalidparam', 'webservice', '', 'title');
}
$submission->content_editor = array(
'text' => $params['content'],
'format' => $params['contentformat'],
'itemid' => $params['inlineattachmentsid'],
);
$submission->attachment_filemanager = $params['attachmentsid'];
$errors = $workshop->validate_submission_data((array) $submission);
// We can get several errors, return them in warnings.
if (!empty($errors)) {
$status = false;
foreach ($errors as $itemname => $message) {
$warnings[] = array(
'item' => $itemname,
'itemid' => 0,
'warningcode' => 'fielderror',
'message' => s($message)
);
}
} else {
$status = true;
$submission->id = $workshop->edit_submission($submission);
}
return array(
'status' => $status,
'warnings' => $warnings
);
}
/**
* Returns the description of the external function return value.
*
* @return external_description
* @since Moodle 3.4
*/
public static function update_submission_returns() {
return new external_single_structure(array(
'status' => new external_value(PARAM_BOOL, 'True if the submission was updated false otherwise.'),
'warnings' => new external_warnings()
));
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function delete_submission_parameters() {
return new external_function_parameters(
array(
'submissionid' => new external_value(PARAM_INT, 'Submission id'),
)
);
}
/**
* Deletes the given submission.
*
* @param int $submissionid the submission id.
* @return array containing the result status and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function delete_submission($submissionid) {
global $USER, $DB;
$params = self::validate_parameters(self::delete_submission_parameters(), array('submissionid' => $submissionid));
$warnings = array();
// Get and validate the submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check if we can delete the submission.
if (!has_capability('mod/workshop:deletesubmissions', $context)) {
require_capability('mod/workshop:submit', $context);
// We can delete our own submission, on time and not yet assessed.
$candeletesubmission = $submission->authorid == $USER->id;
$candeletesubmission = $candeletesubmission && $workshop->modifying_submission_allowed($USER->id);
$candeletesubmission = $candeletesubmission && count($workshop->get_assessments_of_submission($submission->id)) == 0;
if (!$candeletesubmission) {
throw new moodle_exception('nopermissions', 'error', '', 'delete submission');
}
}
$workshop->delete_submission($submission);
return array(
'status' => true,
'warnings' => $warnings
);
}
/**
* Returns the description of the external function return value.
*
* @return external_description
* @since Moodle 3.4
*/
public static function delete_submission_returns() {
return new external_single_structure(array(
'status' => new external_value(PARAM_BOOL, 'True if the submission was deleted.'),
'warnings' => new external_warnings()
));
}
/**
* Helper method for returning the submission data according the current user capabilities and current phase.
*
* @param stdClass $submission the submission data
* @param workshop $workshop the workshop class
* @param bool $canviewauthorpublished whether the user has the capability mod/workshop:viewauthorpublished on
* @param bool $canviewauthornames whether the user has the capability mod/workshop:vviewauthornames on
* @param bool $canviewallsubmissions whether the user has the capability mod/workshop:viewallsubmissions on
* @return stdClass object with the submission data filtered
* @since Moodle 3.4
*/
protected static function prepare_submission_for_external($submission, workshop $workshop, $canviewauthorpublished = null,
$canviewauthornames = null, $canviewallsubmissions = null) {
global $USER;
if (is_null($canviewauthorpublished)) {
$canviewauthorpublished = has_capability('mod/workshop:viewauthorpublished', $workshop->context);
}
if (is_null($canviewauthornames)) {
$canviewauthornames = has_capability('mod/workshop:viewauthornames', $workshop->context);
}
if (is_null($canviewallsubmissions)) {
$canviewallsubmissions = has_capability('mod/workshop:viewallsubmissions', $workshop->context);
}
$ownsubmission = $submission->authorid == $USER->id;
if (!$canviewauthornames && !$ownsubmission) {
$submission->authorid = 0;
}
// Remove grade, gradeover, gradeoverby, feedbackauthor and timegraded for non-teachers or invalid phase.
// WS mod_workshop_external::get_grades should be used for retrieving grades by students.
if ($workshop->phase < workshop::PHASE_EVALUATION || !$canviewallsubmissions) {
$properties = submission_exporter::properties_definition();
foreach ($properties as $attribute => $settings) {
// Special case, the feedbackauthor (and who did it) should be returned if the workshop is closed and
// the user can view it.
if (($attribute == 'feedbackauthor' || $attribute == 'gradeoverby') &&
$workshop->phase == workshop::PHASE_CLOSED && $ownsubmission) {
continue;
}
if (!empty($settings['optional'])) {
unset($submission->{$attribute});
}
}
}
return $submission;
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_submissions_parameters() {
return new external_function_parameters(
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'userid' => new external_value(PARAM_INT, 'Get submissions done by this user. Use 0 or empty for the current user',
VALUE_DEFAULT, 0),
'groupid' => new external_value(PARAM_INT, 'Group id, 0 means that the function will determine the user group.
It will return submissions done by users in the given group.',
VALUE_DEFAULT, 0),
'page' => new external_value(PARAM_INT, 'The page of records to return.', VALUE_DEFAULT, 0),
'perpage' => new external_value(PARAM_INT, 'The number of records to return per page.', VALUE_DEFAULT, 0),
)
);
}
/**
* Retrieves all the workshop submissions visible by the current user or the one done by the given user
* (except example submissions).
*
* @param int $workshopid the workshop instance id
* @param int $userid get submissions done by this user
* @param int $groupid (optional) group id, 0 means that the function will determine the user group
* @param int $page page of records to return
* @param int $perpage number of records to return per page
* @return array of warnings and the entries
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_submissions($workshopid, $userid = 0, $groupid = 0, $page = 0, $perpage = 0) {
global $PAGE, $USER;
$params = array('workshopid' => $workshopid, 'userid' => $userid, 'groupid' => $groupid,
'page' => $page, 'perpage' => $perpage);
$params = self::validate_parameters(self::get_submissions_parameters(), $params);
$submissions = $warnings = array();
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
if (empty($params['groupid'])) {
// Check to see if groups are being used here.
if ($groupmode = groups_get_activity_groupmode($cm)) {
$groupid = groups_get_activity_group($cm);
// Determine is the group is visible to user (this is particullary for the group 0 -> all groups).
if (!groups_group_visible($groupid, $course, $cm)) {
throw new moodle_exception('notingroup');
}
} else {
$groupid = 0;
}
}
if (!empty($params['userid']) && $params['userid'] != $USER->id) {
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
if (!$workshop->check_group_membership($user->id)) {
throw new moodle_exception('notingroup');
}
}
$totalfilesize = 0;
list($submissionsrecords, $totalcount) =
$workshop->get_visible_submissions($params['userid'], $groupid, $params['page'], $params['perpage']);
if ($totalcount) {
$canviewauthorpublished = has_capability('mod/workshop:viewauthorpublished', $context);
$canviewauthornames = has_capability('mod/workshop:viewauthornames', $context);
$canviewallsubmissions = has_capability('mod/workshop:viewallsubmissions', $context);
$related = array('context' => $context);
foreach ($submissionsrecords as $submission) {
$submission = self::prepare_submission_for_external($submission, $workshop, $canviewauthorpublished,
$canviewauthornames, $canviewallsubmissions);
$exporter = new submission_exporter($submission, $related);
$submissions[] = $exporter->export($PAGE->get_renderer('core'));
}
// Retrieve total files size for the submissions (so external clients know how many data they'd need to download).
$fs = get_file_storage();
$files = $fs->get_area_files($context->id, 'mod_workshop', array('submission_content', 'submission_attachment'));
foreach ($files as $file) {
if ($file->is_directory()) {
continue;
}
$totalfilesize += $file->get_filesize();
}
}
return array(
'submissions' => $submissions,
'totalcount' => $totalcount,
'totalfilesize' => $totalfilesize,
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_submissions_returns() {
return new external_single_structure(
array(
'submissions' => new external_multiple_structure(
submission_exporter::get_read_structure()
),
'totalcount' => new external_value(PARAM_INT, 'Total count of submissions.'),
'totalfilesize' => new external_value(PARAM_INT, 'Total size (bytes) of the files attached to all the
submissions (even the ones not returned due to pagination).'),
'warnings' => new external_warnings()
)
);
}
/**
* Helper method for validating a submission.
*
* @param stdClass $submission submission object
* @param workshop $workshop workshop instance
* @return void
* @since Moodle 3.4
*/
protected static function validate_submission($submission, workshop $workshop) {
global $USER;
$workshopclosed = $workshop->phase == workshop::PHASE_CLOSED;
$canviewpublished = has_capability('mod/workshop:viewpublishedsubmissions', $workshop->context);
$canview = $submission->authorid == $USER->id; // I did it.
$canview = $canview || !empty($workshop->get_assessment_of_submission_by_user($submission->id, $USER->id)); // I reviewed.
$canview = $canview || has_capability('mod/workshop:viewallsubmissions', $workshop->context); // I can view all.
$canview = $canview || ($submission->published && $workshopclosed && $canviewpublished); // It has been published.
if ($canview) {
// Here we should check if the user share group.
if ($submission->authorid != $USER->id &&
!groups_user_groups_visible($workshop->course, $submission->authorid, $workshop->cm)) {
throw new moodle_exception('notingroup');
}
} else {
throw new moodle_exception('nopermissions', 'error', '', 'view submission');
}
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_submission_parameters() {
return new external_function_parameters(
array(
'submissionid' => new external_value(PARAM_INT, 'Submission id'),
)
);
}
/**
* Retrieves the given submission.
*
* @param int $submissionid the submission id
* @return array containing the submission and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_submission($submissionid) {
global $USER, $DB, $PAGE;
$params = self::validate_parameters(self::get_submission_parameters(), array('submissionid' => $submissionid));
$warnings = array();
// Get and validate the submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
self::validate_submission($submission, $workshop);
$submission = self::prepare_submission_for_external($submission, $workshop);
$related = array('context' => $context);
$exporter = new submission_exporter($submission, $related);
return array(
'submission' => $exporter->export($PAGE->get_renderer('core')),
'warnings' => $warnings
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_submission_returns() {
return new external_single_structure(
array(
'submission' => submission_exporter::get_read_structure(),
'warnings' => new external_warnings()
)
);
}
/**
* Helper method for validating if the current user can view the submission assessments.
*
* @param stdClass $submission submission object
* @param workshop $workshop workshop instance
* @return void
* @since Moodle 3.4
*/
protected static function check_view_submission_assessments($submission, workshop $workshop) {
global $USER;
$ownsubmission = $submission->authorid == $USER->id;
$canview = has_capability('mod/workshop:viewallassessments', $workshop->context) ||
($ownsubmission && $workshop->assessments_available());
if ($canview) {
// Here we should check if the user share group.
if ($submission->authorid != $USER->id &&
!groups_user_groups_visible($workshop->course, $submission->authorid, $workshop->cm)) {
throw new moodle_exception('notingroup');
}
} else {
throw new moodle_exception('nopermissions', 'error', '', 'view assessment');
}
}
/**
* Helper method for returning the assessment data according the current user capabilities and current phase.
*
* @param stdClass $assessment the assessment data
* @param workshop $workshop the workshop class
* @return stdClass object with the assessment data filtered or null if is not viewable yet
* @since Moodle 3.4
*/
protected static function prepare_assessment_for_external($assessment, workshop $workshop) {
global $USER;
static $canviewallassessments = null;
static $canviewreviewers = null;
static $canoverridegrades = null;
// Remove all the properties that does not belong to the assessment table.
$properties = assessment_exporter::properties_definition();
foreach ($assessment as $key => $value) {
if (!isset($properties[$key])) {
unset($assessment->{$key});
}
}
if (is_null($canviewallassessments)) {
$canviewallassessments = has_capability('mod/workshop:viewallassessments', $workshop->context);
}
if (is_null($canviewreviewers)) {
$canviewreviewers = has_capability('mod/workshop:viewreviewernames', $workshop->context);
}
if (is_null($canoverridegrades)) {
$canoverridegrades = has_capability('mod/workshop:overridegrades', $workshop->context);
}
$isreviewer = $assessment->reviewerid == $USER->id;
if (!$isreviewer && is_null($assessment->grade) && !$canviewallassessments) {
// Students do not see peer-assessment that are not graded yet.
return null;
}
// Remove the feedback for the reviewer if:
// I can't see it in the evaluation phase because I'm not a teacher or the reviewer AND
// I can't see it in the assessment phase because I'm not a teacher.
if (($workshop->phase < workshop::PHASE_EVALUATION || !($isreviewer || $canviewallassessments)) &&
($workshop->phase < workshop::PHASE_ASSESSMENT || !$canviewallassessments) ) {
// Remove all the feedback information (all the optional fields).
foreach ($properties as $attribute => $settings) {
if (!empty($settings['optional'])) {
unset($assessment->{$attribute});
}
}
}
if (!$isreviewer && !$canviewreviewers) {
$assessment->reviewerid = 0;
}
return $assessment;
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_submission_assessments_parameters() {
return new external_function_parameters(
array(
'submissionid' => new external_value(PARAM_INT, 'Submission id'),
)
);
}
/**
* Retrieves the given submission assessments.
*
* @param int $submissionid the submission id
* @return array containing the assessments and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_submission_assessments($submissionid) {
global $USER, $DB, $PAGE;
$params = self::validate_parameters(self::get_submission_assessments_parameters(), array('submissionid' => $submissionid));
$warnings = $assessments = array();
// Get and validate the submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check that we can get the assessments and get them.
self::check_view_submission_assessments($submission, $workshop);
$assessmentsrecords = $workshop->get_assessments_of_submission($submission->id);
$related = array('context' => $context);
foreach ($assessmentsrecords as $assessment) {
$assessment = self::prepare_assessment_for_external($assessment, $workshop);
if (empty($assessment)) {
continue;
}
$exporter = new assessment_exporter($assessment, $related);
$assessments[] = $exporter->export($PAGE->get_renderer('core'));
}
return array(
'assessments' => $assessments,
'warnings' => $warnings
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_submission_assessments_returns() {
return new external_single_structure(
array(
'assessments' => new external_multiple_structure(
assessment_exporter::get_read_structure()
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_assessment_parameters() {
return new external_function_parameters(
array(
'assessmentid' => new external_value(PARAM_INT, 'Assessment id'),
)
);
}
/**
* Retrieves the given assessment.
*
* @param int $assessmentid the assessment id
* @return array containing the assessment and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_assessment($assessmentid) {
global $DB, $PAGE;
$params = self::validate_parameters(self::get_assessment_parameters(), array('assessmentid' => $assessmentid));
$warnings = array();
// Get and validate the assessment, submission and workshop.
$assessment = $DB->get_record('workshop_assessments', array('id' => $params['assessmentid']), '*', MUST_EXIST);
$submission = $DB->get_record('workshop_submissions', array('id' => $assessment->submissionid), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check that we can get the assessment.
$workshop->check_view_assessment($assessment, $submission);
$assessment = $workshop->get_assessment_by_id($assessment->id);
$assessment = self::prepare_assessment_for_external($assessment, $workshop);
if (empty($assessment)) {
throw new moodle_exception('nopermissions', 'error', '', 'view assessment');
}
$related = array('context' => $context);
$exporter = new assessment_exporter($assessment, $related);
return array(
'assessment' => $exporter->export($PAGE->get_renderer('core')),
'warnings' => $warnings
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_assessment_returns() {
return new external_single_structure(
array(
'assessment' => assessment_exporter::get_read_structure(),
'warnings' => new external_warnings()
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_assessment_form_definition_parameters() {
return new external_function_parameters(
array(
'assessmentid' => new external_value(PARAM_INT, 'Assessment id'),
'mode' => new external_value(PARAM_ALPHA, 'The form mode (assessment or preview)', VALUE_DEFAULT, 'assessment'),
)
);
}
/**
* Retrieves the assessment form definition (data required to be able to display the assessment form).
*
* @param int $assessmentid the assessment id
* @param string $mode the form mode (assessment or preview)
* @return array containing the assessment and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_assessment_form_definition($assessmentid, $mode = 'assessment') {
global $DB, $USER;
$params = self::validate_parameters(
self::get_assessment_form_definition_parameters(), array('assessmentid' => $assessmentid, 'mode' => $mode)
);
$warnings = $pending = array();
if ($params['mode'] != 'assessment' && $params['mode'] != 'preview') {
throw new invalid_parameter_exception('Invalid value for mode parameter (value: ' . $params['mode'] . ')');
}
// Get and validate the assessment, submission and workshop.
$assessment = $DB->get_record('workshop_assessments', array('id' => $params['assessmentid']), '*', MUST_EXIST);
$submission = $DB->get_record('workshop_submissions', array('id' => $assessment->submissionid), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check we can view the assessment (so we can get the form data).
$workshop->check_view_assessment($assessment, $submission);
$cansetassessmentweight = has_capability('mod/workshop:allocate', $context);
$pending = $workshop->get_pending_assessments_by_reviewer($assessment->reviewerid, $assessment->id);
// Retrieve the data from the strategy plugin.
$strategy = $workshop->grading_strategy_instance();
$strategyname = str_replace('_strategy', '', get_class($strategy)); // Get strategy name.
$mform = $strategy->get_assessment_form(null, $params['mode'], $assessment, true,
array('editableweight' => $cansetassessmentweight, 'pending' => !empty($pending)));
$formdata = $mform->get_customdata();
$result = array(
'dimenssionscount' => $formdata['nodims'],
'descriptionfiles' => external_util::get_area_files($context->id, $strategyname, 'description'),
'warnings' => $warnings
);
// Include missing dimension fields.
for ($i = 0; $i < $formdata['nodims']; $i++) {
$formdata['fields']->{'gradeid__idx_' . $i} = 0;
$formdata['fields']->{'peercomment__idx_' . $i} = '';
}
// Convert all the form data for external.
foreach (array('options', 'fields', 'current') as $typeofdata) {
$result[$typeofdata] = array();
if (!empty($formdata[$typeofdata])) {
$alldata = (array) $formdata[$typeofdata];
foreach ($alldata as $key => $val) {
if (strpos($key, 'peercomment__idx_') === 0) {
// Format reviewer comment.
list($val, $format) = external_format_text($val, FORMAT_MOODLE, $context->id);
} else if (strpos($key, 'description__idx_')) {
// Format dimension description.
$id = str_replace('description__idx_', '', $key);
list($val, $format) = external_format_text($val, $alldata['dimensionid__idx_' . $id . 'format'],
$context->id, $strategyname, 'description', $alldata['dimensionid__idx_' . $id]);
}
$result[$typeofdata][] = array(
'name' => $key,
'value' => $val
);
}
}
}
// Get dimensions info.
$grader = $workshop->grading_strategy_instance();
$result['dimensionsinfo'] = $grader->get_dimensions_info();
return $result;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_assessment_form_definition_returns() {
return new external_single_structure(
array(
'dimenssionscount' => new external_value(PARAM_INT, 'The number of dimenssions used by the form.'),
'descriptionfiles' => new external_files('Files in the description text'),
'options' => new external_multiple_structure(
new external_single_structure(
array(
'name' => new external_value(PARAM_ALPHANUMEXT, 'Option name.'),
'value' => new external_value(PARAM_NOTAGS, 'Option value.')
)
), 'The form options.'
),
'fields' => new external_multiple_structure(
new external_single_structure(
array(
'name' => new external_value(PARAM_ALPHANUMEXT, 'Field name.'),
'value' => new external_value(PARAM_RAW, 'Field default value.')
)
), 'The form fields.'
),
'current' => new external_multiple_structure(
new external_single_structure(
array(
'name' => new external_value(PARAM_ALPHANUMEXT, 'Field name.'),
'value' => new external_value(PARAM_RAW, 'Current field value.')
)
), 'The current field values.'
),
'dimensionsinfo' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'Dimension id.'),
'min' => new external_value(PARAM_FLOAT, 'Minimum grade for the dimension.'),
'max' => new external_value(PARAM_FLOAT, 'Maximum grade for the dimension.'),
'weight' => new external_value(PARAM_TEXT, 'The weight of the dimension.'),
'scale' => new external_value(PARAM_TEXT, 'Scale items (if used).', VALUE_OPTIONAL),
)
), 'The dimensions general information.'
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_reviewer_assessments_parameters() {
return new external_function_parameters(
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'userid' => new external_value(PARAM_INT, 'User id who did the assessment review (empty or 0 for current user).',
VALUE_DEFAULT, 0),
)
);
}
/**
* Retrieves all the assessments reviewed by the given user.
*
* @param int $workshopid the workshop instance id
* @param int $userid the reviewer user id
* @return array containing the user assessments and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_reviewer_assessments($workshopid, $userid = 0) {
global $USER, $DB, $PAGE;
$params = self::validate_parameters(
self::get_reviewer_assessments_parameters(), array('workshopid' => $workshopid, 'userid' => $userid)
);
$warnings = $assessments = array();
// Get and validate the submission and workshop.
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
// Extra checks so only users with permissions can view other users assessments.
if (empty($params['userid']) || $params['userid'] == $USER->id) {
$userid = $USER->id;
list($assessed, $notice) = $workshop->check_examples_assessed_before_assessment($userid);
if (!$assessed) {
throw new moodle_exception($notice, 'mod_workshop');
}
if ($workshop->phase < workshop::PHASE_ASSESSMENT) { // Can view assessments only in assessment phase onwards.
throw new moodle_exception('nopermissions', 'error', '', 'view assessments');
}
} else {
require_capability('mod/workshop:viewallassessments', $context);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
if (!$workshop->check_group_membership($user->id)) {
throw new moodle_exception('notingroup');
}
$userid = $user->id;
}
// Now get all my assessments (includes those pending review).
$assessmentsrecords = $workshop->get_assessments_by_reviewer($userid);
$related = array('context' => $context);
foreach ($assessmentsrecords as $assessment) {
$assessment = self::prepare_assessment_for_external($assessment, $workshop);
if (empty($assessment)) {
continue;
}
$exporter = new assessment_exporter($assessment, $related);
$assessments[] = $exporter->export($PAGE->get_renderer('core'));
}
return array(
'assessments' => $assessments,
'warnings' => $warnings
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_reviewer_assessments_returns() {
return new external_single_structure(
array(
'assessments' => new external_multiple_structure(
assessment_exporter::get_read_structure()
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function update_assessment_parameters() {
return new external_function_parameters(
array(
'assessmentid' => new external_value(PARAM_INT, 'Assessment id.'),
'data' => new external_multiple_structure (
new external_single_structure(
array(
'name' => new external_value(PARAM_ALPHANUMEXT,
'The assessment data (use WS get_assessment_form_definition for obtaining the data to sent).
Apart from that data, you can optionally send:
feedbackauthor (str); the feedback for the submission author
feedbackauthorformat (int); the format of the feedbackauthor
feedbackauthorinlineattachmentsid (int); the draft file area for the editor attachments
feedbackauthorattachmentsid (int); the draft file area id for the feedback attachments'
),
'value' => new external_value(PARAM_RAW, 'The value of the option.')
)
), 'Assessment data'
)
)
);
}
/**
* Updates an assessment.
*
* @param int $assessmentid the assessment id
* @param array $data the assessment data
* @return array indicates if the assessment was updated, the new raw grade and possible warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function update_assessment($assessmentid, $data) {
global $DB, $USER;
$params = self::validate_parameters(
self::update_assessment_parameters(), array('assessmentid' => $assessmentid, 'data' => $data)
);
$warnings = array();
// Get and validate the assessment, submission and workshop.
$assessment = $DB->get_record('workshop_assessments', array('id' => $params['assessmentid']), '*', MUST_EXIST);
$submission = $DB->get_record('workshop_submissions', array('id' => $assessment->submissionid), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check we can edit the assessment.
$workshop->check_edit_assessment($assessment, $submission);
// Process data.
$data = new stdClass;
$data->feedbackauthor_editor = array();
foreach ($params['data'] as $wsdata) {
$name = trim($wsdata['name']);
switch ($name) {
case 'feedbackauthor':
$data->feedbackauthor_editor['text'] = $wsdata['value'];
break;
case 'feedbackauthorformat':
$data->feedbackauthor_editor['format'] = clean_param($wsdata['value'], PARAM_FORMAT);
break;
case 'feedbackauthorinlineattachmentsid':
$data->feedbackauthor_editor['itemid'] = clean_param($wsdata['value'], PARAM_INT);
break;
case 'feedbackauthorattachmentsid':
$data->feedbackauthorattachment_filemanager = clean_param($wsdata['value'], PARAM_INT);
break;
default:
$data->{$wsdata['name']} = $wsdata['value']; // Validation will be done in the form->validation.
}
}
$cansetassessmentweight = has_capability('mod/workshop:allocate', $context);
$pending = $workshop->get_pending_assessments_by_reviewer($assessment->reviewerid, $assessment->id);
// Retrieve the data from the strategy plugin.
$strategy = $workshop->grading_strategy_instance();
$mform = $strategy->get_assessment_form(null, 'assessment', $assessment, true,
array('editableweight' => $cansetassessmentweight, 'pending' => !empty($pending)));
$errors = $mform->validation((array) $data, array());
// We can get several errors, return them in warnings.
if (!empty($errors)) {
$status = false;
$rawgrade = null;
foreach ($errors as $itemname => $message) {
$warnings[] = array(
'item' => $itemname,
'itemid' => 0,
'warningcode' => 'fielderror',
'message' => s($message)
);
}
} else {
$rawgrade = $workshop->edit_assessment($assessment, $submission, $data, $strategy);
$status = true;
}
return array(
'status' => $status,
'rawgrade' => $rawgrade,
'warnings' => $warnings,
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function update_assessment_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if the assessment was added or updated false otherwise.'),
'rawgrade' => new external_value(PARAM_FLOAT, 'Raw percentual grade (0.00000 to 100.00000) for submission.',
VALUE_OPTIONAL),
'warnings' => new external_warnings()
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_external_function_parameters
* @since Moodle 3.4
*/
public static function get_grades_parameters() {
return new external_function_parameters (
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'userid' => new external_value(PARAM_INT, 'User id (empty or 0 for current user).', VALUE_DEFAULT, 0),
)
);
}
/**
* Returns the grades information for the given workshop and user.
*
* @param int $workshopid workshop instance id
* @param int $userid user id
* @return array of warnings and the user plan
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_grades($workshopid, $userid = 0) {
global $USER;
$params = array(
'workshopid' => $workshopid,
'userid' => $userid,
);
$params = self::validate_parameters(self::get_grades_parameters(), $params);
$warnings = array();
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
// Extra checks so only users with permissions can view other users plans.
if (empty($params['userid']) || $params['userid'] == $USER->id) {
$userid = $USER->id;
} else {
require_capability('mod/workshop:viewallassessments', $context);
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
if (!$workshop->check_group_membership($user->id)) {
throw new moodle_exception('notingroup');
}
$userid = $user->id;
}
$finalgrades = $workshop->get_gradebook_grades($userid);
$result = array('warnings' => $warnings);
if ($finalgrades !== false) {
if (!empty($finalgrades->submissiongrade)) {
if (is_numeric($finalgrades->submissiongrade->grade)) {
$result['submissionrawgrade'] = $finalgrades->submissiongrade->grade;
}
$result['submissionlongstrgrade'] = $finalgrades->submissiongrade->str_long_grade;
$result['submissiongradehidden'] = $finalgrades->submissiongrade->hidden;
}
if (!empty($finalgrades->assessmentgrade)) {
if (is_numeric($finalgrades->assessmentgrade->grade)) {
$result['assessmentrawgrade'] = $finalgrades->assessmentgrade->grade;
}
$result['assessmentlongstrgrade'] = $finalgrades->assessmentgrade->str_long_grade;
$result['assessmentgradehidden'] = $finalgrades->assessmentgrade->hidden;
}
}
return $result;
}
/**
* Returns description of method result value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_grades_returns() {
return new external_single_structure(
array(
'assessmentrawgrade' => new external_value(PARAM_FLOAT, 'The assessment raw (numeric) grade.', VALUE_OPTIONAL),
'assessmentlongstrgrade' => new external_value(PARAM_NOTAGS, 'The assessment string grade.', VALUE_OPTIONAL),
'assessmentgradehidden' => new external_value(PARAM_BOOL, 'Whether the grade is hidden or not.', VALUE_OPTIONAL),
'submissionrawgrade' => new external_value(PARAM_FLOAT, 'The submission raw (numeric) grade.', VALUE_OPTIONAL),
'submissionlongstrgrade' => new external_value(PARAM_NOTAGS, 'The submission string grade.', VALUE_OPTIONAL),
'submissiongradehidden' => new external_value(PARAM_BOOL, 'Whether the grade is hidden or not.', VALUE_OPTIONAL),
'warnings' => new external_warnings(),
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function evaluate_assessment_parameters() {
return new external_function_parameters(
array(
'assessmentid' => new external_value(PARAM_INT, 'Assessment id.'),
'feedbacktext' => new external_value(PARAM_RAW, 'The feedback for the reviewer.', VALUE_DEFAULT, ''),
'feedbackformat' => new external_value(PARAM_INT, 'The feedback format for text.', VALUE_DEFAULT, FORMAT_MOODLE),
'weight' => new external_value(PARAM_INT, 'The new weight for the assessment.', VALUE_DEFAULT, 1),
'gradinggradeover' => new external_value(PARAM_ALPHANUMEXT, 'The new grading grade.', VALUE_DEFAULT, ''),
)
);
}
/**
* Evaluates an assessment (used by teachers for provide feedback to the reviewer).
*
* @param int $assessmentid the assessment id
* @param str $feedbacktext the feedback for the reviewer
* @param int $feedbackformat the feedback format for the reviewer text
* @param int $weight the new weight for the assessment
* @param mixed $gradinggradeover the new grading grade (empty for no overriding the grade)
* @return array containing the status and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function evaluate_assessment($assessmentid, $feedbacktext = '', $feedbackformat = FORMAT_MOODLE, $weight = 1,
$gradinggradeover = '') {
global $DB;
$params = self::validate_parameters(
self::evaluate_assessment_parameters(),
array(
'assessmentid' => $assessmentid,
'feedbacktext' => $feedbacktext,
'feedbackformat' => $feedbackformat,
'weight' => $weight,
'gradinggradeover' => $gradinggradeover,
)
);
$warnings = array();
// Get and validate the assessment, submission and workshop.
$assessment = $DB->get_record('workshop_assessments', array('id' => $params['assessmentid']), '*', MUST_EXIST);
$submission = $DB->get_record('workshop_submissions', array('id' => $assessment->submissionid), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check we can evaluate the assessment.
$workshop->check_view_assessment($assessment, $submission);
$cansetassessmentweight = has_capability('mod/workshop:allocate', $context);
$canoverridegrades = has_capability('mod/workshop:overridegrades', $context);
if (!$canoverridegrades && !$cansetassessmentweight) {
throw new moodle_exception('nopermissions', 'error', '', 'evaluate assessments');
}
// Process data.
$data = new stdClass;
$data->asid = $assessment->id;
$data->feedbackreviewer_editor = array(
'text' => $params['feedbacktext'],
'format' => $params['feedbackformat'],
);
$data->weight = $params['weight'];
$data->gradinggradeover = $params['gradinggradeover'];
$options = array(
'editable' => true,
'editableweight' => $cansetassessmentweight,
'overridablegradinggrade' => $canoverridegrades
);
$feedbackform = $workshop->get_feedbackreviewer_form(null, $assessment, $options);
$errors = $feedbackform->validation((array) $data, array());
// Extra checks for the new grade and weight.
$possibleweights = workshop::available_assessment_weights_list();
if ($data->weight < 0 || $data->weight > max(array_keys($possibleweights))) {
$errors['weight'] = 'The new weight must be higher or equal to 0 and cannot be higher than the maximum weight for
assessment.';
}
if (is_numeric($data->gradinggradeover) &&
($data->gradinggradeover < 0 || $data->gradinggradeover > $workshop->gradinggrade)) {
$errors['gradinggradeover'] = 'The new grade must be higher or equal to 0 and cannot be higher than the maximum grade
for assessment.';
}
// We can get several errors, return them in warnings.
if (!empty($errors)) {
$status = false;
foreach ($errors as $itemname => $message) {
$warnings[] = array(
'item' => $itemname,
'itemid' => 0,
'warningcode' => 'fielderror',
'message' => s($message)
);
}
} else {
$workshop->evaluate_assessment($assessment, $data, $cansetassessmentweight, $canoverridegrades);
$status = true;
}
return array(
'status' => $status,
'warnings' => $warnings,
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function evaluate_assessment_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if the assessment was evaluated, false otherwise.'),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_grades_report_parameters() {
return new external_function_parameters(
array(
'workshopid' => new external_value(PARAM_INT, 'Workshop instance id.'),
'groupid' => new external_value(PARAM_INT, 'Group id, 0 means that the function will determine the user group.',
VALUE_DEFAULT, 0),
'sortby' => new external_value(PARAM_ALPHA, 'sort by this element: lastname, firstname, submissiontitle,
submissionmodified, submissiongrade, gradinggrade.', VALUE_DEFAULT, 'lastname'),
'sortdirection' => new external_value(PARAM_ALPHA, 'sort direction: ASC or DESC', VALUE_DEFAULT, 'ASC'),
'page' => new external_value(PARAM_INT, 'The page of records to return.', VALUE_DEFAULT, 0),
'perpage' => new external_value(PARAM_INT, 'The number of records to return per page.', VALUE_DEFAULT, 0),
)
);
}
/**
* Retrieves the assessment grades report.
*
* @param int $workshopid the workshop instance id
* @param int $groupid (optional) group id, 0 means that the function will determine the user group
* @param string $sortby sort by this element
* @param string $sortdirection sort direction: ASC or DESC
* @param int $page page of records to return
* @param int $perpage number of records to return per page
* @return array of warnings and the report data
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function get_grades_report($workshopid, $groupid = 0, $sortby = 'lastname', $sortdirection = 'ASC',
$page = 0, $perpage = 0) {
global $USER;
$params = array('workshopid' => $workshopid, 'groupid' => $groupid, 'sortby' => $sortby, 'sortdirection' => $sortdirection,
'page' => $page, 'perpage' => $perpage);
$params = self::validate_parameters(self::get_grades_report_parameters(), $params);
$submissions = $warnings = array();
$sortallowedvalues = array('lastname', 'firstname', 'submissiontitle', 'submissionmodified', 'submissiongrade',
'gradinggrade');
if (!in_array($params['sortby'], $sortallowedvalues)) {
throw new invalid_parameter_exception('Invalid value for sortby parameter (value: ' . $sortby . '),' .
'allowed values are: ' . implode(',', $sortallowedvalues));
}
$sortdirection = strtoupper($params['sortdirection']);
$directionallowedvalues = array('ASC', 'DESC');
if (!in_array($sortdirection, $directionallowedvalues)) {
throw new invalid_parameter_exception('Invalid value for sortdirection parameter (value: ' . $sortdirection . '),' .
'allowed values are: ' . implode(',', $directionallowedvalues));
}
list($workshop, $course, $cm, $context) = self::validate_workshop($params['workshopid']);
require_capability('mod/workshop:viewallassessments', $context);
if (!empty($params['groupid'])) {
$groupid = $params['groupid'];
// Determine is the group is visible to user.
if (!groups_group_visible($groupid, $course, $cm)) {
throw new moodle_exception('notingroup');
}
} else {
// Check to see if groups are being used here.
if ($groupmode = groups_get_activity_groupmode($cm)) {
$groupid = groups_get_activity_group($cm);
// Determine is the group is visible to user (this is particullary for the group 0 -> all groups).
if (!groups_group_visible($groupid, $course, $cm)) {
throw new moodle_exception('notingroup');
}
} else {
$groupid = 0;
}
}
if ($workshop->phase >= workshop::PHASE_SUBMISSION) {
$showauthornames = has_capability('mod/workshop:viewauthornames', $context);
$showreviewernames = has_capability('mod/workshop:viewreviewernames', $context);
if ($workshop->phase >= workshop::PHASE_EVALUATION) {
$showsubmissiongrade = true;
$showgradinggrade = true;
} else {
$showsubmissiongrade = false;
$showgradinggrade = false;
}
$data = $workshop->prepare_grading_report_data($USER->id, $groupid, $params['page'], $params['perpage'],
$params['sortby'], $sortdirection);
if (!empty($data)) {
// Populate the display options for the submissions report.
$reportopts = new stdclass();
$reportopts->showauthornames = $showauthornames;
$reportopts->showreviewernames = $showreviewernames;
$reportopts->sortby = $params['sortby'];
$reportopts->sorthow = $sortdirection;
$reportopts->showsubmissiongrade = $showsubmissiongrade;
$reportopts->showgradinggrade = $showgradinggrade;
$reportopts->workshopphase = $workshop->phase;
$report = new workshop_grading_report($data, $reportopts);
return array(
'report' => $report->export_data_for_external(),
'warnings' => array(),
);
}
}
throw new moodle_exception('nothingfound', 'workshop');
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function get_grades_report_returns() {
$reviewstructure = new external_single_structure(
array(
'userid' => new external_value(PARAM_INT, 'The id of the user (0 when is configured to do not display names).'),
'assessmentid' => new external_value(PARAM_INT, 'The id of the assessment.'),
'submissionid' => new external_value(PARAM_INT, 'The id of the submission assessed.'),
'grade' => new external_value(PARAM_FLOAT, 'The grade for submission.'),
'gradinggrade' => new external_value(PARAM_FLOAT, 'The grade for assessment.'),
'gradinggradeover' => new external_value(PARAM_FLOAT, 'The aggregated grade overrided.'),
'weight' => new external_value(PARAM_INT, 'The weight of the assessment for aggregation.'),
)
);
return new external_single_structure(
array(
'report' => new external_single_structure(
array(
'grades' => new external_multiple_structure(
new external_single_structure(
array(
'userid' => new external_value(PARAM_INT, 'The id of the user being displayed in the report.'),
'submissionid' => new external_value(PARAM_INT, 'Submission id.'),
'submissiontitle' => new external_value(PARAM_RAW, 'Submission title.'),
'submissionmodified' => new external_value(PARAM_INT, 'Timestamp submission was updated.'),
'submissiongrade' => new external_value(PARAM_FLOAT, 'Aggregated grade for the submission.',
VALUE_OPTIONAL),
'gradinggrade' => new external_value(PARAM_FLOAT, 'Computed grade for the assessment.',
VALUE_OPTIONAL),
'submissiongradeover' => new external_value(PARAM_FLOAT, 'Grade for the assessment overrided
by the teacher.', VALUE_OPTIONAL),
'submissiongradeoverby' => new external_value(PARAM_INT, 'The id of the user who overrided
the grade.', VALUE_OPTIONAL),
'submissionpublished' => new external_value(PARAM_INT, 'Whether is a submission published.',
VALUE_OPTIONAL),
'reviewedby' => new external_multiple_structure($reviewstructure, 'The users who reviewed the
user submission.', VALUE_OPTIONAL),
'reviewerof' => new external_multiple_structure($reviewstructure, 'The assessments the user
reviewed.', VALUE_OPTIONAL),
)
)
),
'totalcount' => new external_value(PARAM_INT, 'Number of total submissions.'),
)
),
'warnings' => new external_warnings()
)
);
}
/**
* Describes the parameters for view_submission.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function view_submission_parameters() {
return new external_function_parameters (
array(
'submissionid' => new external_value(PARAM_INT, 'Submission id'),
)
);
}
/**
* Trigger the submission viewed event.
*
* @param int $submissionid submission id
* @return array of warnings and status result
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function view_submission($submissionid) {
global $DB;
$params = self::validate_parameters(self::view_submission_parameters(), array('submissionid' => $submissionid));
$warnings = array();
// Get and validate the submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
self::validate_submission($submission, $workshop);
$workshop->set_submission_viewed($submission);
$result = array(
'status' => true,
'warnings' => $warnings,
);
return $result;
}
/**
* Describes the view_submission return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function view_submission_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if success'),
'warnings' => new external_warnings(),
)
);
}
/**
* Returns the description of the external function parameters.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function evaluate_submission_parameters() {
return new external_function_parameters(
array(
'submissionid' => new external_value(PARAM_INT, 'submission id.'),
'feedbacktext' => new external_value(PARAM_RAW, 'The feedback for the author.', VALUE_DEFAULT, ''),
'feedbackformat' => new external_value(PARAM_INT, 'The feedback format for text.', VALUE_DEFAULT, FORMAT_MOODLE),
'published' => new external_value(PARAM_BOOL, 'Publish the submission for others?.', VALUE_DEFAULT, false),
'gradeover' => new external_value(PARAM_ALPHANUMEXT, 'The new submission grade.', VALUE_DEFAULT, ''),
)
);
}
/**
* Evaluates a submission (used by teachers for provide feedback or override the submission grade).
*
* @param int $submissionid the submission id
* @param str $feedbacktext the feedback for the author
* @param int $feedbackformat the feedback format for the reviewer text
* @param bool $published whether to publish the submission for other users
* @param mixed $gradeover the new submission grade (empty for no overriding the grade)
* @return array containing the status and warnings.
* @since Moodle 3.4
* @throws moodle_exception
*/
public static function evaluate_submission($submissionid, $feedbacktext = '', $feedbackformat = FORMAT_MOODLE, $published = 1,
$gradeover = '') {
global $DB;
$params = self::validate_parameters(
self::evaluate_submission_parameters(),
array(
'submissionid' => $submissionid,
'feedbacktext' => $feedbacktext,
'feedbackformat' => $feedbackformat,
'published' => $published,
'gradeover' => $gradeover,
)
);
$warnings = array();
// Get and validate the submission, submission and workshop.
$submission = $DB->get_record('workshop_submissions', array('id' => $params['submissionid']), '*', MUST_EXIST);
list($workshop, $course, $cm, $context) = self::validate_workshop($submission->workshopid);
// Check we can evaluate the submission.
self::validate_submission($submission, $workshop);
$canpublish = has_capability('mod/workshop:publishsubmissions', $context);
$canoverride = ($workshop->phase == workshop::PHASE_EVALUATION &&
has_capability('mod/workshop:overridegrades', $context));
if (!$canpublish && !$canoverride) {
throw new moodle_exception('nopermissions', 'error', '', 'evaluate submission');
}
// Process data.
$data = new stdClass;
$data->id = $submission->id;
$data->feedbackauthor_editor = array(
'text' => $params['feedbacktext'],
'format' => $params['feedbackformat'],
);
$data->published = $params['published'];
$data->gradeover = $params['gradeover'];
$options = array(
'editable' => true,
'editablepublished' => $canpublish,
'overridablegrade' => $canoverride
);
$feedbackform = $workshop->get_feedbackauthor_form(null, $submission, $options);
$errors = $feedbackform->validation((array) $data, array());
// Extra checks for the new grade (if set).
if (is_numeric($data->gradeover) && $data->gradeover > $workshop->grade) {
$errors['gradeover'] = 'The new grade cannot be higher than the maximum grade for submission.';
}
// We can get several errors, return them in warnings.
if (!empty($errors)) {
$status = false;
foreach ($errors as $itemname => $message) {
$warnings[] = array(
'item' => $itemname,
'itemid' => 0,
'warningcode' => 'fielderror',
'message' => s($message)
);
}
} else {
$workshop->evaluate_submission($submission, $data, $canpublish, $canoverride);
$status = true;
}
return array(
'status' => $status,
'warnings' => $warnings,
);
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.4
*/
public static function evaluate_submission_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if the submission was evaluated, false otherwise.'),
'warnings' => new external_warnings()
)
);
}
}