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- Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
- Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
- PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/lib/ -> completionlib.php (source)
<?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 classes, functions and constants used during the tracking
* of activity completion for users.
*
* Completion top-level options (admin setting enablecompletion)
*
* @package core_completion
* @category completion
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
> use core_completion\activity_custom_completion;
defined('MOODLE_INTERNAL') || die();
> use core_courseformat\base as course_format;
>
/**
* Include the required completion libraries
*/
require_once $CFG->dirroot.'/completion/completion_aggregation.php';
require_once $CFG->dirroot.'/completion/criteria/completion_criteria.php';
require_once $CFG->dirroot.'/completion/completion_completion.php';
require_once $CFG->dirroot.'/completion/completion_criteria_completion.php';
/**
* The completion system is enabled in this site/course
*/
define('COMPLETION_ENABLED', 1);
/**
* The completion system is not enabled in this site/course
*/
define('COMPLETION_DISABLED', 0);
/**
* Completion tracking is disabled for this activity
* This is a completion tracking option per-activity (course_modules/completion)
*/
define('COMPLETION_TRACKING_NONE', 0);
/**
* Manual completion tracking (user ticks box) is enabled for this activity
* This is a completion tracking option per-activity (course_modules/completion)
*/
define('COMPLETION_TRACKING_MANUAL', 1);
/**
* Automatic completion tracking (system ticks box) is enabled for this activity
* This is a completion tracking option per-activity (course_modules/completion)
*/
define('COMPLETION_TRACKING_AUTOMATIC', 2);
/**
* The user has not completed this activity.
* This is a completion state value (course_modules_completion/completionstate)
*/
define('COMPLETION_INCOMPLETE', 0);
/**
* The user has completed this activity. It is not specified whether they have
* passed or failed it.
* This is a completion state value (course_modules_completion/completionstate)
*/
define('COMPLETION_COMPLETE', 1);
/**
* The user has completed this activity with a grade above the pass mark.
* This is a completion state value (course_modules_completion/completionstate)
*/
define('COMPLETION_COMPLETE_PASS', 2);
/**
* The user has completed this activity but their grade is less than the pass mark
* This is a completion state value (course_modules_completion/completionstate)
*/
define('COMPLETION_COMPLETE_FAIL', 3);
/**
> * Indicates that the user has received a failing grade for a hidden grade item.
* The effect of this change to completion status is unknown.
> */
* A completion effect changes (used only in update_state)
> define('COMPLETION_COMPLETE_FAIL_HIDDEN', 4);
*/
>
define('COMPLETION_UNKNOWN', -1);
> /**
/**
* The user's grade has changed, so their new state might be
* COMPLETION_COMPLETE_PASS or COMPLETION_COMPLETE_FAIL.
* A completion effect changes (used only in update_state)
*/
define('COMPLETION_GRADECHANGE', -2);
/**
* User must view this activity.
* Whether view is required to create an activity (course_modules/completionview)
*/
define('COMPLETION_VIEW_REQUIRED', 1);
/**
* User does not need to view this activity
* Whether view is required to create an activity (course_modules/completionview)
*/
define('COMPLETION_VIEW_NOT_REQUIRED', 0);
/**
* User has viewed this activity.
* Completion viewed state (course_modules_completion/viewed)
*/
define('COMPLETION_VIEWED', 1);
/**
* User has not viewed this activity.
* Completion viewed state (course_modules_completion/viewed)
*/
define('COMPLETION_NOT_VIEWED', 0);
/**
* Completion details should be ORed together and you should return false if
* none apply.
*/
define('COMPLETION_OR', false);
/**
* Completion details should be ANDed together and you should return true if
* none apply
*/
define('COMPLETION_AND', true);
/**
* Course completion criteria aggregation method.
*/
define('COMPLETION_AGGREGATION_ALL', 1);
/**
* Course completion criteria aggregation method.
*/
define('COMPLETION_AGGREGATION_ANY', 2);
> /**
> * Completion conditions will be displayed to user.
/**
> */
* Utility function for checking if the logged in user can view
> define('COMPLETION_SHOW_CONDITIONS', 1);
* another's completion data for a particular course
>
*
> /**
* @access public
> * Completion conditions will be hidden from user.
* @param int $userid Completion data's owner
> */
* @param mixed $course Course object or Course ID (optional)
> define('COMPLETION_HIDE_CONDITIONS', 0);
* @return boolean
*/
function completion_can_view_data($userid, $course = null) {
global $USER;
if (!isloggedin()) {
return false;
}
if (!is_object($course)) {
$cid = $course;
$course = new stdClass();
$course->id = $cid;
}
// Check if this is the site course
if ($course->id == SITEID) {
$course = null;
}
// Check if completion is enabled
if ($course) {
$cinfo = new completion_info($course);
if (!$cinfo->is_enabled()) {
return false;
}
} else {
if (!completion_info::is_enabled_for_site()) {
return false;
}
}
// Is own user's data?
if ($USER->id == $userid) {
return true;
}
// Check capabilities
$personalcontext = context_user::instance($userid);
if (has_capability('moodle/user:viewuseractivitiesreport', $personalcontext)) {
return true;
} elseif (has_capability('report/completion:view', $personalcontext)) {
return true;
}
if ($course->id) {
$coursecontext = context_course::instance($course->id);
} else {
$coursecontext = context_system::instance();
}
if (has_capability('report/completion:view', $coursecontext)) {
return true;
}
return false;
}
/**
* Class represents completion information for a course.
*
* Does not contain any data, so you can safely construct it multiple times
* without causing any problems.
*
* @package core
* @category completion
* @copyright 2008 Sam Marshall
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class completion_info {
/* @var stdClass Course object passed during construction */
private $course;
/* @var int Course id */
public $course_id;
/* @var array Completion criteria {@link completion_info::get_criteria()} */
private $criteria;
/**
* Return array of aggregation methods
* @return array
*/
public static function get_aggregation_methods() {
return array(
COMPLETION_AGGREGATION_ALL => get_string('all'),
COMPLETION_AGGREGATION_ANY => get_string('any', 'completion'),
);
}
/**
* Constructs with course details.
*
* When instantiating a new completion info object you must provide a course
* object with at least id, and enablecompletion properties. Property
* cacherev is needed if you check completion of the current user since
* it is used for cache validation.
*
* @param stdClass $course Moodle course object.
*/
public function __construct($course) {
$this->course = $course;
$this->course_id = $course->id;
}
/**
* Determines whether completion is enabled across entire site.
*
* @return bool COMPLETION_ENABLED (true) if completion is enabled for the site,
* COMPLETION_DISABLED (false) if it's complete
*/
public static function is_enabled_for_site() {
global $CFG;
return !empty($CFG->enablecompletion);
}
/**
* Checks whether completion is enabled in a particular course and possibly
* activity.
*
* @param stdClass|cm_info $cm Course-module object. If not specified, returns the course
* completion enable state.
* @return mixed COMPLETION_ENABLED or COMPLETION_DISABLED (==0) in the case of
* site and course; COMPLETION_TRACKING_MANUAL, _AUTOMATIC or _NONE (==0)
* for a course-module.
*/
public function is_enabled($cm = null) {
global $CFG, $DB;
// First check global completion
if (!isset($CFG->enablecompletion) || $CFG->enablecompletion == COMPLETION_DISABLED) {
return COMPLETION_DISABLED;
}
// Load data if we do not have enough
if (!isset($this->course->enablecompletion)) {
$this->course = get_course($this->course_id);
}
// Check course completion
if ($this->course->enablecompletion == COMPLETION_DISABLED) {
return COMPLETION_DISABLED;
}
// If there was no $cm and we got this far, then it's enabled
if (!$cm) {
return COMPLETION_ENABLED;
}
// Return course-module completion value
return $cm->completion;
}
/**
* Displays the 'Your progress' help icon, if completion tracking is enabled.
* Just prints the result of display_help_icon().
*
* @deprecated since Moodle 2.0 - Use display_help_icon instead.
*/
public function print_help_icon() {
> debugging('The function print_help_icon() is deprecated, please do not use it anymore.',
print $this->display_help_icon();
> DEBUG_DEVELOPER);
}
/**
* Returns the 'Your progress' help icon, if completion tracking is enabled.
*
* @return string HTML code for help icon, or blank if not needed
> * @deprecated since Moodle 4.0 - The 'Your progress' info isn't displayed any more.
*/
public function display_help_icon() {
global $PAGE, $OUTPUT, $USER;
> debugging('The function display_help_icon() is deprecated, please do not use it anymore.',
$result = '';
> DEBUG_DEVELOPER);
if ($this->is_enabled() && !$PAGE->user_is_editing() && $this->is_tracked_user($USER->id) && isloggedin() &&
!isguestuser()) {
$result .= html_writer::tag('div', get_string('yourprogress','completion') .
$OUTPUT->help_icon('completionicons', 'completion'), array('id' => 'completionprogressid',
'class' => 'completionprogress'));
}
return $result;
}
/**
* Get a course completion for a user
*
* @param int $user_id User id
* @param int $criteriatype Specific criteria type to return
* @return bool|completion_criteria_completion returns false on fail
*/
public function get_completion($user_id, $criteriatype) {
$completions = $this->get_completions($user_id, $criteriatype);
if (empty($completions)) {
return false;
} elseif (count($completions) > 1) {
print_error('multipleselfcompletioncriteria', 'completion');
}
return $completions[0];
}
/**
* Get all course criteria's completion objects for a user
*
* @param int $user_id User id
* @param int $criteriatype Specific criteria type to return (optional)
* @return array
*/
public function get_completions($user_id, $criteriatype = null) {
$criteria = $this->get_criteria($criteriatype);
$completions = array();
foreach ($criteria as $criterion) {
$params = array(
'course' => $this->course_id,
'userid' => $user_id,
'criteriaid' => $criterion->id
);
$completion = new completion_criteria_completion($params);
$completion->attach_criteria($criterion);
$completions[] = $completion;
}
return $completions;
}
/**
* Get completion object for a user and a criteria
*
* @param int $user_id User id
* @param completion_criteria $criteria Criteria object
* @return completion_criteria_completion
*/
public function get_user_completion($user_id, $criteria) {
$params = array(
'course' => $this->course_id,
'userid' => $user_id,
'criteriaid' => $criteria->id,
);
$completion = new completion_criteria_completion($params);
return $completion;
}
/**
* Check if course has completion criteria set
*
* @return bool Returns true if there are criteria
*/
public function has_criteria() {
$criteria = $this->get_criteria();
return (bool) count($criteria);
}
/**
* Get course completion criteria
*
* @param int $criteriatype Specific criteria type to return (optional)
*/
public function get_criteria($criteriatype = null) {
// Fill cache if empty
if (!is_array($this->criteria)) {
global $DB;
$params = array(
'course' => $this->course->id
);
// Load criteria from database
$records = (array)$DB->get_records('course_completion_criteria', $params);
// Order records so activities are in the same order as they appear on the course view page.
if ($records) {
$activitiesorder = array_keys(get_fast_modinfo($this->course)->get_cms());
usort($records, function ($a, $b) use ($activitiesorder) {
$aidx = ($a->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY) ?
array_search($a->moduleinstance, $activitiesorder) : false;
$bidx = ($b->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY) ?
array_search($b->moduleinstance, $activitiesorder) : false;
if ($aidx === false || $bidx === false || $aidx == $bidx) {
return 0;
}
return ($aidx < $bidx) ? -1 : 1;
});
}
// Build array of criteria objects
$this->criteria = array();
foreach ($records as $record) {
$this->criteria[$record->id] = completion_criteria::factory((array)$record);
}
}
// If after all criteria
if ($criteriatype === null) {
return $this->criteria;
}
// If we are only after a specific criteria type
$criteria = array();
foreach ($this->criteria as $criterion) {
if ($criterion->criteriatype != $criteriatype) {
continue;
}
$criteria[$criterion->id] = $criterion;
}
return $criteria;
}
/**
* Get aggregation method
*
* @param int $criteriatype If none supplied, get overall aggregation method (optional)
* @return int One of COMPLETION_AGGREGATION_ALL or COMPLETION_AGGREGATION_ANY
*/
public function get_aggregation_method($criteriatype = null) {
$params = array(
'course' => $this->course_id,
'criteriatype' => $criteriatype
);
$aggregation = new completion_aggregation($params);
if (!$aggregation->id) {
$aggregation->method = COMPLETION_AGGREGATION_ALL;
}
return $aggregation->method;
}
/**
* @deprecated since Moodle 2.8 MDL-46290.
*/
public function get_incomplete_criteria() {
throw new coding_exception('completion_info->get_incomplete_criteria() is removed.');
}
/**
* Clear old course completion criteria
*/
public function clear_criteria() {
global $DB;
// Remove completion criteria records for the course itself, and any records that refer to the course.
$select = 'course = :course OR (criteriatype = :type AND courseinstance = :courseinstance)';
$params = [
'course' => $this->course_id,
'type' => COMPLETION_CRITERIA_TYPE_COURSE,
'courseinstance' => $this->course_id,
];
$DB->delete_records_select('course_completion_criteria', $select, $params);
$DB->delete_records('course_completion_aggr_methd', array('course' => $this->course_id));
$this->delete_course_completion_data();
}
/**
* Has the supplied user completed this course
*
* @param int $user_id User's id
* @return boolean
*/
public function is_course_complete($user_id) {
$params = array(
'userid' => $user_id,
'course' => $this->course_id
);
$ccompletion = new completion_completion($params);
return $ccompletion->is_complete();
}
/**
* Check whether the supplied user can override the activity completion statuses within the current course.
*
* @param stdClass $user The user object.
* @return bool True if the user can override, false otherwise.
*/
public function user_can_override_completion($user) {
return has_capability('moodle/course:overridecompletion', context_course::instance($this->course_id), $user);
}
/**
* Updates (if necessary) the completion state of activity $cm for the given
* user.
*
* For manual completion, this function is called when completion is toggled
* with $possibleresult set to the target state.
*
* For automatic completion, this function should be called every time a module
* does something which might influence a user's completion state. For example,
* if a forum provides options for marking itself 'completed' once a user makes
* N posts, this function should be called every time a user makes a new post.
* [After the post has been saved to the database]. When calling, you do not
< * need to pass in the new completion state. Instead this function carries out
< * completion calculation by checking grades and viewed state itself, and
< * calling the involved module via modulename_get_completion_state() to check
< * module-specific conditions.
> * need to pass in the new completion state. Instead this function carries out completion
> * calculation by checking grades and viewed state itself, and calling the involved module
> * via mod_{modulename}\\completion\\custom_completion::get_overall_completion_state() to
> * check module-specific conditions.
*
* @param stdClass|cm_info $cm Course-module
* @param int $possibleresult Expected completion result. If the event that
* has just occurred (e.g. add post) can only result in making the activity
* complete when it wasn't before, use COMPLETION_COMPLETE. If the event that
* has just occurred (e.g. delete post) can only result in making the activity
* not complete when it was previously complete, use COMPLETION_INCOMPLETE.
* Otherwise use COMPLETION_UNKNOWN. Setting this value to something other than
* COMPLETION_UNKNOWN significantly improves performance because it will abandon
* processing early if the user's completion state already matches the expected
* result. For manual events, COMPLETION_COMPLETE or COMPLETION_INCOMPLETE
* must be used; these directly set the specified state.
* @param int $userid User ID to be updated. Default 0 = current user
* @param bool $override Whether manually overriding the existing completion state.
> * @param bool $isbulkupdate If bulk grade update is happening.
* @return void
* @throws moodle_exception if trying to override without permission.
*/
< public function update_state($cm, $possibleresult=COMPLETION_UNKNOWN, $userid=0, $override = false) {
> public function update_state($cm, $possibleresult=COMPLETION_UNKNOWN, $userid=0,
> $override = false, $isbulkupdate = false) {
global $USER;
// Do nothing if completion is not enabled for that activity
if (!$this->is_enabled($cm)) {
return;
}
// If we're processing an override and the current user isn't allowed to do so, then throw an exception.
if ($override) {
if (!$this->user_can_override_completion($USER)) {
throw new required_capability_exception(context_course::instance($this->course_id),
'moodle/course:overridecompletion', 'nopermission', '');
}
}
> // Default to current user if one is not provided.
// Get current value of completion state and do nothing if it's same as
> if ($userid == 0) {
// the possible result of this change. If the change is to COMPLETE and the
> $userid = $USER->id;
// current value is one of the COMPLETE_xx subtypes, ignore that as well
> }
$current = $this->get_data($cm, false, $userid);
>
if ($possibleresult == $current->completionstate ||
> // Delete the cm's cached completion data for this user if automatic completion is enabled.
($possibleresult == COMPLETION_COMPLETE &&
> // This ensures any changes to the status of individual completion conditions in the activity will be fetched.
($current->completionstate == COMPLETION_COMPLETE_PASS ||
> if ($cm->completion == COMPLETION_TRACKING_AUTOMATIC) {
$current->completionstate == COMPLETION_COMPLETE_FAIL))) {
> $completioncache = cache::make('core', 'completion');
return;
> $completionkey = $userid . '_' . $this->course->id;
}
> $completiondata = $completioncache->get($completionkey);
>
// For auto tracking, if the status is overridden to 'COMPLETION_COMPLETE', then disallow further changes,
> if ($completiondata !== false) {
// unless processing another override.
> unset($completiondata[$cm->id]);
// Basically, we want those activities which have been overridden to COMPLETE to hold state, and those which have been
> $completioncache->set($completionkey, $completiondata);
// overridden to INCOMPLETE to still be processed by normal completion triggers.
> }
if ($cm->completion == COMPLETION_TRACKING_AUTOMATIC && !is_null($current->overrideby)
> }
&& $current->completionstate == COMPLETION_COMPLETE && !$override) {
>
return;
> // The activity completion alters the course state cache for this particular user.
}
> $course = get_course($cm->course);
> if ($course) {
// For manual tracking, or if overriding the completion state, we set the state directly.
> course_format::session_cache_reset($course);
if ($cm->completion == COMPLETION_TRACKING_MANUAL || $override) {
> }
switch($possibleresult) {
>
case COMPLETION_COMPLETE:
case COMPLETION_INCOMPLETE:
$newstate = $possibleresult;
break;
default:
$this->internal_systemerror("Unexpected manual completion state for {$cm->id}: $possibleresult");
}
} else {
$newstate = $this->internal_get_state($cm, $userid, $current);
}
< // If changed, update
> // If the overall completion state has changed, update it in the cache.
if ($newstate != $current->completionstate) {
$current->completionstate = $newstate;
$current->timemodified = time();
$current->overrideby = $override ? $USER->id : null;
< $this->internal_set_data($cm, $current);
> $this->internal_set_data($cm, $current, $isbulkupdate);
}
}
/**
* Calculates the completion state for an activity and user.
*
* Internal function. Not private, so we can unit-test it.
*
* @param stdClass|cm_info $cm Activity
* @param int $userid ID of user
* @param stdClass $current Previous completion information from database
* @return mixed
*/
public function internal_get_state($cm, $userid, $current) {
< global $USER, $DB, $CFG;
> global $USER, $DB;
// Get user ID
if (!$userid) {
$userid = $USER->id;
}
< // Check viewed
< if ($cm->completionview == COMPLETION_VIEW_REQUIRED &&
< $current->viewed == COMPLETION_NOT_VIEWED) {
> $newstate = COMPLETION_COMPLETE;
> if ($cm instanceof stdClass) {
> // Modname hopefully is provided in $cm but just in case it isn't, let's grab it.
> if (!isset($cm->modname)) {
> $cm->modname = $DB->get_field('modules', 'name', array('id' => $cm->module));
> }
> // Some functions call this method and pass $cm as an object with ID only. Make sure course is set as well.
> if (!isset($cm->course)) {
> $cm->course = $this->course_id;
> }
> }
> // Make sure we're using a cm_info object.
> $cminfo = cm_info::create($cm, $userid);
> $completionstate = $this->get_core_completion_state($cminfo, $userid);
>
> if (plugin_supports('mod', $cminfo->modname, FEATURE_COMPLETION_HAS_RULES)) {
> $response = true;
> $cmcompletionclass = activity_custom_completion::get_cm_completion_class($cminfo->modname);
> if ($cmcompletionclass) {
> /** @var activity_custom_completion $cmcompletion */
> $cmcompletion = new $cmcompletionclass($cminfo, $userid, $completionstate);
> $response = $cmcompletion->get_overall_completion_state() != COMPLETION_INCOMPLETE;
> } else {
> // Fallback to the get_completion_state callback.
> $cmcompletionclass = "mod_{$cminfo->modname}\\completion\\custom_completion";
> $function = $cminfo->modname . '_get_completion_state';
> if (!function_exists($function)) {
> $this->internal_systemerror("Module {$cminfo->modname} claims to support FEATURE_COMPLETION_HAS_RULES " .
> "but does not implement the custom completion class $cmcompletionclass which extends " .
> "\core_completion\activity_custom_completion.");
> }
> debugging("*_get_completion_state() callback functions such as $function have been deprecated and should no " .
> "longer be used. Please implement the custom completion class $cmcompletionclass which extends " .
> "\core_completion\activity_custom_completion.", DEBUG_DEVELOPER);
> $response = $function($this->course, $cm, $userid, COMPLETION_AND, $completionstate);
> }
>
> if (!$response) {
> return COMPLETION_INCOMPLETE;
> }
> }
> if ($completionstate) {
return COMPLETION_INCOMPLETE;
> // We have allowed the plugins to do it's thing and run their own checks.
}
> // We have now reached a state where we need to AND all the calculated results.
> // Preference for COMPLETION_COMPLETE_PASS over COMPLETION_COMPLETE for proper indication in reports.
// Modname hopefully is provided in $cm but just in case it isn't, let's grab it
> $newstate = array_reduce($completionstate, function($carry, $value) {
if (!isset($cm->modname)) {
> if (in_array(COMPLETION_INCOMPLETE, [$carry, $value])) {
$cm->modname = $DB->get_field('modules', 'name', array('id'=>$cm->module));
> } else if (in_array(COMPLETION_COMPLETE_FAIL, [$carry, $value])) {
}
> return COMPLETION_COMPLETE_FAIL;
> } else {
$newstate = COMPLETION_COMPLETE;
> return in_array(COMPLETION_COMPLETE_PASS, [$carry, $value]) ? COMPLETION_COMPLETE_PASS : $value;
< // Modname hopefully is provided in $cm but just in case it isn't, let's grab it
< if (!isset($cm->modname)) {
< $cm->modname = $DB->get_field('modules', 'name', array('id'=>$cm->module));
> }, COMPLETION_COMPLETE);
< $newstate = COMPLETION_COMPLETE;
> return $newstate;
>
> }
>
> /**
> * Fetches the completion state for an activity completion's require grade completion requirement.
> *
> * @param cm_info $cm The course module information.
> * @param int $userid The user ID.
> * @return int The completion state.
> */
> public function get_grade_completion(cm_info $cm, int $userid): int {
> global $CFG;
< // Check grade
< if (!is_null($cm->completiongradeitemnumber)) {
< $item = grade_item::fetch(array('courseid'=>$cm->course, 'itemtype'=>'mod',
< 'itemmodule'=>$cm->modname, 'iteminstance'=>$cm->instance,
< 'itemnumber'=>$cm->completiongradeitemnumber));
> $item = grade_item::fetch([
> 'courseid' => $cm->course,
> 'itemtype' => 'mod',
> 'itemmodule' => $cm->modname,
> 'iteminstance' => $cm->instance,
> 'itemnumber' => $cm->completiongradeitemnumber
> ]);
< // Fetch 'grades' (will be one or none)
< $grades = grade_grade::fetch_users_grades($item, array($userid), false);
> // Fetch 'grades' (will be one or none).
> $grades = grade_grade::fetch_users_grades($item, [$userid], false);
< // No grade for user
> // No grade for user.
return COMPLETION_INCOMPLETE;
}
if (count($grades) > 1) {
$this->internal_systemerror("Unexpected result: multiple grades for
item '{$item->id}', user '{$userid}'");
}
< $newstate = self::internal_get_grade_state($item, reset($grades));
< if ($newstate == COMPLETION_INCOMPLETE) {
< return COMPLETION_INCOMPLETE;
< }
<
< } else {
< $this->internal_systemerror("Cannot find grade item for '{$cm->modname}'
< cm '{$cm->id}' matching number '{$cm->completiongradeitemnumber}'");
< }
> $returnpassfail = !empty($cm->completionpassgrade);
> return self::internal_get_grade_state($item, reset($grades), $returnpassfail);
}
< if (plugin_supports('mod', $cm->modname, FEATURE_COMPLETION_HAS_RULES)) {
< $function = $cm->modname.'_get_completion_state';
< if (!function_exists($function)) {
< $this->internal_systemerror("Module {$cm->modname} claims to support
< FEATURE_COMPLETION_HAS_RULES but does not have required
< {$cm->modname}_get_completion_state function");
< }
< if (!$function($this->course, $cm, $userid, COMPLETION_AND)) {
return COMPLETION_INCOMPLETE;
}
< }
<
< return $newstate;
<
< }
/**
* Marks a module as viewed.
*
* Should be called whenever a module is 'viewed' (it is up to the module how to
* determine that). Has no effect if viewing is not set as a completion condition.
*
* Note that this function must be called before you print the page header because
* it is possible that the navigation block may depend on it. If you call it after
* printing the header, it shows a developer debug warning.
*
* @param stdClass|cm_info $cm Activity
* @param int $userid User ID or 0 (default) for current user
* @return void
*/
public function set_module_viewed($cm, $userid=0) {
global $PAGE;
if ($PAGE->headerprinted) {
debugging('set_module_viewed must be called before header is printed',
DEBUG_DEVELOPER);
}
// Don't do anything if view condition is not turned on
if ($cm->completionview == COMPLETION_VIEW_NOT_REQUIRED || !$this->is_enabled($cm)) {
return;
}
// Get current completion state
$data = $this->get_data($cm, false, $userid);
// If we already viewed it, don't do anything unless the completion status is overridden.
// If the completion status is overridden, then we need to allow this 'view' to trigger automatic completion again.
if ($data->viewed == COMPLETION_VIEWED && empty($data->overrideby)) {
return;
}
// OK, change state, save it, and update completion
$data->viewed = COMPLETION_VIEWED;
$this->internal_set_data($cm, $data);
$this->update_state($cm, COMPLETION_COMPLETE, $userid);
}
/**
* Determines how much completion data exists for an activity. This is used when
* deciding whether completion information should be 'locked' in the module
* editing form.
*
* @param cm_info $cm Activity
* @return int The number of users who have completion data stored for this
* activity, 0 if none
*/
public function count_user_data($cm) {
global $DB;
return $DB->get_field_sql("
SELECT
COUNT(1)
FROM
{course_modules_completion}
WHERE
coursemoduleid=? AND completionstate<>0", array($cm->id));
}
/**
* Determines how much course completion data exists for a course. This is used when
* deciding whether completion information should be 'locked' in the completion
* settings form and activity completion settings.
*
* @param int $user_id Optionally only get course completion data for a single user
* @return int The number of users who have completion data stored for this
* course, 0 if none
*/
public function count_course_user_data($user_id = null) {
global $DB;
$sql = '
SELECT
COUNT(1)
FROM
{course_completion_crit_compl}
WHERE
course = ?
';
$params = array($this->course_id);
// Limit data to a single user if an ID is supplied
if ($user_id) {
$sql .= ' AND userid = ?';
$params[] = $user_id;
}
return $DB->get_field_sql($sql, $params);
}
/**
* Check if this course's completion criteria should be locked
*
* @return boolean
*/
public function is_course_locked() {
return (bool) $this->count_course_user_data();
}
/**
* Deletes all course completion completion data.
*
* Intended to be used when unlocking completion criteria settings.
*/
public function delete_course_completion_data() {
global $DB;
$DB->delete_records('course_completions', array('course' => $this->course_id));
$DB->delete_records('course_completion_crit_compl', array('course' => $this->course_id));
// Difficult to find affected users, just purge all completion cache.
cache::make('core', 'completion')->purge();
cache::make('core', 'coursecompletion')->purge();
}
/**
* Deletes all activity and course completion data for an entire course
* (the below delete_all_state function does this for a single activity).
*
* Used by course reset page.
*/
public function delete_all_completion_data() {
global $DB;
// Delete from database.
$DB->delete_records_select('course_modules_completion',
'coursemoduleid IN (SELECT id FROM {course_modules} WHERE course=?)',
array($this->course_id));
// Wipe course completion data too.
$this->delete_course_completion_data();
}
/**
* Deletes completion state related to an activity for all users.
*
* Intended for use only when the activity itself is deleted.
*
* @param stdClass|cm_info $cm Activity
*/
public function delete_all_state($cm) {
global $DB;
// Delete from database
$DB->delete_records('course_modules_completion', array('coursemoduleid'=>$cm->id));
// Check if there is an associated course completion criteria
$criteria = $this->get_criteria(COMPLETION_CRITERIA_TYPE_ACTIVITY);
$acriteria = false;
foreach ($criteria as $criterion) {
if ($criterion->moduleinstance == $cm->id) {
$acriteria = $criterion;
break;
}
}
if ($acriteria) {
// Delete all criteria completions relating to this activity
$DB->delete_records('course_completion_crit_compl', array('course' => $this->course_id, 'criteriaid' => $acriteria->id));
$DB->delete_records('course_completions', array('course' => $this->course_id));
}
// Difficult to find affected users, just purge all completion cache.
cache::make('core', 'completion')->purge();
cache::make('core', 'coursecompletion')->purge();
}
/**
* Recalculates completion state related to an activity for all users.
*
* Intended for use if completion conditions change. (This should be avoided
* as it may cause some things to become incomplete when they were previously
* complete, with the effect - for example - of hiding a later activity that
* was previously available.)
*
* Resetting state of manual tickbox has same result as deleting state for
* it.
*
* @param stcClass|cm_info $cm Activity
*/
public function reset_all_state($cm) {
global $DB;
if ($cm->completion == COMPLETION_TRACKING_MANUAL) {
$this->delete_all_state($cm);
return;
}
// Get current list of users with completion state
$rs = $DB->get_recordset('course_modules_completion', array('coursemoduleid'=>$cm->id), '', 'userid');
$keepusers = array();
foreach ($rs as $rec) {
$keepusers[] = $rec->userid;
}
$rs->close();
// Delete all existing state.
$this->delete_all_state($cm);
// Merge this with list of planned users (according to roles)
$trackedusers = $this->get_tracked_users();
foreach ($trackedusers as $trackeduser) {
$keepusers[] = $trackeduser->id;
}
$keepusers = array_unique($keepusers);
// Recalculate state for each kept user
foreach ($keepusers as $keepuser) {
$this->update_state($cm, COMPLETION_UNKNOWN, $keepuser);
}
}
/**
* Obtains completion data for a particular activity and user (from the
* completion cache if available, or by SQL query)
*
* @param stdClass|cm_info $cm Activity; only required field is ->id
* @param bool $wholecourse If true (default false) then, when necessary to
* fill the cache, retrieves information from the entire course not just for
* this one activity
* @param int $userid User ID or 0 (default) for current user
< * @param array $modinfo Supply the value here - this is used for unit
< * testing and so that it can be called recursively from within
< * get_fast_modinfo. (Needs only list of all CMs with IDs.)
< * Otherwise the method calls get_fast_modinfo itself.
< * @return object Completion data (record from course_modules_completion)
> * @param null $unused This parameter has been deprecated since 4.0 and should not be used anymore.
> * @return object Completion data. Record from course_modules_completion plus other completion statuses such as
> * - Completion status for 'must-receive-grade' completion rule.
> * - Custom completion statuses defined by the activity module plugin.
*/
< public function get_data($cm, $wholecourse = false, $userid = 0, $modinfo = null) {
< global $USER, $CFG, $DB;
> public function get_data($cm, $wholecourse = false, $userid = 0, $unused = null) {
> global $USER, $DB;
>
> if ($unused !== null) {
> debugging('Deprecated argument passed to ' . __FUNCTION__, DEBUG_DEVELOPER);
> }
>
$completioncache = cache::make('core', 'completion');
// Get user ID
if (!$userid) {
$userid = $USER->id;
}
> // Some call completion_info::get_data and pass $cm as an object with ID only. Make sure course is set as well.
// See if requested data is present in cache (use cache for current user only).
> if ($cm instanceof stdClass && !isset($cm->course)) {
$usecache = $userid == $USER->id;
> $cm->course = $this->course_id;
$cacheddata = array();
> }
if ($usecache) {
> // Make sure we're working on a cm_info object.
$key = $userid . '_' . $this->course->id;
> $cminfo = cm_info::create($cm, $userid);
if (!isset($this->course->cacherev)) {
>
$this->course = get_course($this->course_id);
> // Create an anonymous function to remove the 'other_cm_completion_data_fetched' key.
}
> $returnfilteredvalue = function(array $value): stdClass {
if ($cacheddata = $completioncache->get($key)) {
> return (object) array_filter($value, function(string $key): bool {
if ($cacheddata['cacherev'] != $this->course->cacherev) {
> return $key !== 'other_cm_completion_data_fetched';
// Course structure has been changed since the last caching, forget the cache.
> }, ARRAY_FILTER_USE_KEY);
$cacheddata = array();
> };
} else if (isset($cacheddata[$cm->id])) {
>
< } else if (isset($cacheddata[$cm->id])) {
< return (object)$cacheddata[$cm->id];
> } else if (isset($cacheddata[$cminfo->id])) {
> $data = (array) $cacheddata[$cminfo->id];
> if (empty($data['other_cm_completion_data_fetched'])) {
> $data += $this->get_other_cm_completion_data($cminfo, $userid);
> $data['other_cm_completion_data_fetched'] = true;
>
> // Put in cache.
> $cacheddata[$cminfo->id] = $data;
> $completioncache->set($key, $cacheddata);
> }
>
> return $returnfilteredvalue($cacheddata[$cminfo->id]);
}
}
> // Default data to return when no completion data is found.
// If cached completion data is not found, fetch via SQL.
> $defaultdata = [
// Fetch completion data for all of the activities in the course ONLY if we're caching the fetched completion data.
> 'id' => 0,
// If we're not caching the completion data, then just fetch the completion data for the user in this course module.
> 'coursemoduleid' => $cminfo->id,
if ($usecache && $wholecourse) {
> 'userid' => $userid,
// Get whole course data for cache
> 'completionstate' => 0,
$alldatabycmc = $DB->get_records_sql("
> 'viewed' => 0,
SELECT
> 'overrideby' => null,
cmc.*
> 'timemodified' => 0,
FROM
> ];
{course_modules} cm
>
< // Get whole course data for cache
< $alldatabycmc = $DB->get_records_sql("
< SELECT
< cmc.*
< FROM
< {course_modules} cm
< INNER JOIN {course_modules_completion} cmc ON cmc.coursemoduleid=cm.id
< WHERE
< cm.course=? AND cmc.userid=?", array($this->course->id, $userid));
> // Get whole course data for cache.
> $alldatabycmc = $DB->get_records_sql("SELECT cm.id AS cmid, cmc.*
> FROM {course_modules} cm
> LEFT JOIN {course_modules_completion} cmc ON cmc.coursemoduleid = cm.id
> AND cmc.userid = ?
> INNER JOIN {modules} m ON m.id = cm.module
> WHERE m.visible = 1 AND cm.course = ?", [$userid, $this->course->id]);
>
> $cminfos = get_fast_modinfo($cm->course, $userid)->get_cms();
< // Reindex by cm id
< $alldata = array();
> // Reindex by course module id.
< $alldata[$data->coursemoduleid] = (array)$data;
>
> // Filter acitivites with no cm_info (missing plugins or other causes).
> if (!isset($cminfos[$data->cmid])) {
> continue;
< // Get the module info and build up condition info for each one
< if (empty($modinfo)) {
< $modinfo = get_fast_modinfo($this->course, $userid);
> if (empty($data->coursemoduleid)) {
> $cacheddata[$data->cmid] = $defaultdata;
> if ($data->viewed) {
> $cacheddata[$data->cmid]['viewed'] = $data->viewed;
< foreach ($modinfo->cms as $othercm) {
< if (isset($alldata[$othercm->id])) {
< $data = $alldata[$othercm->id];
> $cacheddata[$data->cmid]['coursemoduleid'] = $data->cmid;
< // Row not present counts as 'not complete'
< $data = array();
< $data['id'] = 0;
< $data['coursemoduleid'] = $othercm->id;
< $data['userid'] = $userid;
< $data['completionstate'] = 0;
< $data['viewed'] = 0;
< $data['overrideby'] = null;
< $data['timemodified'] = 0;
> unset($data->cmid);
> $cacheddata[$data->coursemoduleid] = (array) $data;
}
< $cacheddata[$othercm->id] = $data;
}
< if (!isset($cacheddata[$cm->id])) {
< $this->internal_systemerror("Unexpected error: course-module {$cm->id} could not be found on course {$this->course->id}");
> if (!isset($cacheddata[$cminfo->id])) {
> $errormessage = "Unexpected error: course-module {$cminfo->id} could not be found on course {$this->course->id}";
> $this->internal_systemerror($errormessage);
}
> $data = $cacheddata[$cminfo->id];
} else {
// Get single record
< $data = $DB->get_record('course_modules_completion', array('coursemoduleid'=>$cm->id, 'userid'=>$userid));
> $data = $DB->get_record('course_modules_completion', array('coursemoduleid' => $cminfo->id, 'userid' => $userid));
if ($data) {
$data = (array)$data;
} else {
< // Row not present counts as 'not complete'
< $data = array();
< $data['id'] = 0;
< $data['coursemoduleid'] = $cm->id;
< $data['userid'] = $userid;
< $data['completionstate'] = 0;
< $data['viewed'] = 0;
< $data['overrideby'] = null;
< $data['timemodified'] = 0;
> // Row not present counts as 'not complete'.
> $data = $defaultdata;
}
< // Put in cache
< $cacheddata[$cm->id] = $data;
> // Put in cache.
> $cacheddata[$cminfo->id] = $data;
}
> // Fill the other completion data for this user in this module instance.
if ($usecache) {
> $data += $this->get_other_cm_completion_data($cminfo, $userid);
$cacheddata['cacherev'] = $this->course->cacherev;
> $data['other_cm_completion_data_fetched'] = true;
$completioncache->set($key, $cacheddata);
>
}
> // Put in cache
return (object)$cacheddata[$cm->id];
> $cacheddata[$cminfo->id] = $data;
}
>
< return (object)$cacheddata[$cm->id];
>
> return $returnfilteredvalue($cacheddata[$cminfo->id]);
> }
>
> /**
> * Get the latest completion state for each criteria used in the module
> *
> * @param cm_info $cm The corresponding module's information
> * @param int $userid The id for the user we are calculating core completion state
> * @return array $data The individualised core completion state used in the module.
> * Consists of the following keys completiongrade, passgrade, viewed
> */
> public function get_core_completion_state(cm_info $cm, int $userid): array {
> global $DB;
> $data = [];
> // Include in the completion info the grade completion, if necessary.
> if (!is_null($cm->completiongradeitemnumber)) {
> $newstate = $this->get_grade_completion($cm, $userid);
> $data['completiongrade'] = $newstate;
>
> if ($cm->completionpassgrade) {
> // If we are asking to use pass grade completion but haven't set it properly,
> // then default to COMPLETION_COMPLETE_PASS.
> if ($newstate == COMPLETION_COMPLETE) {
> $newstate = COMPLETION_COMPLETE_PASS;
> }
>
> // No need to show failing status for the completiongrade condition when passing grade condition is set.
> if (in_array($newstate, [COMPLETION_COMPLETE_FAIL, COMPLETION_COMPLETE_FAIL_HIDDEN])) {
> $data['completiongrade'] = COMPLETION_COMPLETE;
>
> // If the grade received by the user is a failing grade for a hidden grade item,
> // the 'Require passing grade' criterion is considered incomplete.
> if ($newstate == COMPLETION_COMPLETE_FAIL_HIDDEN) {
> $newstate = COMPLETION_INCOMPLETE;
> }
> }
> $data['passgrade'] = $newstate;
> }
> }
>
> // If view is required, try and fetch from the db. In some cases, cache can be invalid.
> if ($cm->completionview == COMPLETION_VIEW_REQUIRED) {
> $data['viewed'] = COMPLETION_INCOMPLETE;
> $record = $DB->get_record('course_modules_completion', array('coursemoduleid' => $cm->id, 'userid' => $userid));
> if ($record) {
> $data['viewed'] = ($record->viewed == COMPLETION_VIEWED ? COMPLETION_COMPLETE : COMPLETION_INCOMPLETE);
> }
> }
>
> return $data;
> }
>
> /**
> * Adds the user's custom completion data on the given course module.
> *
> * @param cm_info $cm The course module information.
> * @param int $userid The user ID.
> * @return array The additional completion data.
> */
> protected function get_other_cm_completion_data(cm_info $cm, int $userid): array {
> $data = $this->get_core_completion_state($cm, $userid);
>
> // Custom activity module completion data.
>
> // Cast custom data to array before checking for custom completion rules.
> // We call ->get_custom_data() instead of ->customdata here because there is the chance of recursive calling,
> // and we cannot call a getter from a getter in PHP.
> $customdata = (array) $cm->get_custom_data();
> // Return early if the plugin does not define custom completion rules.
> if (empty($customdata['customcompletionrules'])) {
> return $data;
> }
>
> // Return early if the activity modules doe not implement the activity_custom_completion class.
> $cmcompletionclass = activity_custom_completion::get_cm_completion_class($cm->modname);
> if (!$cmcompletionclass) {
> return $data;
> }
>
> /** @var activity_custom_completion $customcmcompletion */
> $customcmcompletion = new $cmcompletionclass($cm, $userid, $data);
> foreach ($customdata['customcompletionrules'] as $rule => $enabled) {
> if (!$enabled) {
> // Skip inactive completion rules.
> continue;
> }
> // Get this custom completion rule's completion state.
> $data['customcompletion'][$rule] = $customcmcompletion->get_state($rule);
> }
>
> return $data;
/**
* Updates completion data for a particular coursemodule and user (user is
* determined from $data).
*
* (Internal function. Not private, so we can unit-test it.)
*
* @param stdClass|cm_info $cm Activity
* @param stdClass $data Data about completion for that user
> * @param bool $isbulkupdate If bulk grade update is happening.
*/
< public function internal_set_data($cm, $data) {
< global $USER, $DB;
> public function internal_set_data($cm, $data, $isbulkupdate = false) {
> global $USER, $DB, $CFG;
> require_once($CFG->dirroot.'/completion/criteria/completion_criteria_activity.php');
$transaction = $DB->start_delegated_transaction();
if (!$data->id) {
// Check there isn't really a row
$data->id = $DB->get_field('course_modules_completion', 'id',
array('coursemoduleid'=>$data->coursemoduleid, 'userid'=>$data->userid));
}
if (!$data->id) {
// Didn't exist before, needs creating
$data->id = $DB->insert_record('course_modules_completion', $data);
} else {
// Has real (nonzero) id meaning that a database row exists, update
$DB->update_record('course_modules_completion', $data);
}
$transaction->allow_commit();
< $cmcontext = context_module::instance($data->coursemoduleid, MUST_EXIST);
< $coursecontext = $cmcontext->get_parent_context();
> $cmcontext = context_module::instance($data->coursemoduleid);
$completioncache = cache::make('core', 'completion');
> $cachekey = "{$data->userid}_{$cm->course}";
if ($data->userid == $USER->id) {
> // Fetch other completion data to cache (e.g. require grade completion status, custom completion rule statues).
// Update module completion in user's cache.
> $cminfo = cm_info::create($cm, $data->userid); // Make sure we're working on a cm_info object.
if (!($cachedata = $completioncache->get($data->userid . '_' . $cm->course))
> $otherdata = $this->get_other_cm_completion_data($cminfo, $data->userid);
|| $cachedata['cacherev'] != $this->course->cacherev) {
> foreach ($otherdata as $key => $value) {
$cachedata = array('cacherev' => $this->course->cacherev);
> $data->$key = $value;
}
> }
$cachedata[$cm->id] = $data;
>
< if (!($cachedata = $completioncache->get($data->userid . '_' . $cm->course))
> if (!($cachedata = $completioncache->get($cachekey))
< $cachedata[$cm->id] = $data;
< $completioncache->set($data->userid . '_' . $cm->course, $cachedata);
> $cachedata[$cm->id] = (array) $data;
> $cachedata[$cm->id]['other_cm_completion_data_fetched'] = true;
> $completioncache->set($cachekey, $cachedata);
get_fast_modinfo($cm->course, 0, true);
} else {
// Remove another user's completion cache for this course.
< $completioncache->delete($data->userid . '_' . $cm->course);
> $completioncache->delete($cachekey);
> }
>
> // For single user actions the code must reevaluate some completion state instantly, see MDL-32103.
> if ($isbulkupdate) {
> return;
> } else {
> $userdata = ['userid' => $data->userid, 'courseid' => $this->course_id];
> $coursecompletionid = \core_completion\api::mark_course_completions_activity_criteria($userdata);
> if ($coursecompletionid) {
> aggregate_completions($coursecompletionid);
> }
}
// Trigger an event for course module completion changed.
$event = \core\event\course_module_completion_updated::create(array(
'objectid' => $data->id,
'context' => $cmcontext,
'relateduserid' => $data->userid,
'other' => array(
'relateduserid' => $data->userid,
'overrideby' => $data->overrideby,
'completionstate' => $data->completionstate
)
));
$event->add_record_snapshot('course_modules_completion', $data);
$event->trigger();
}
/**
* Return whether or not the course has activities with completion enabled.
*
* @return boolean true when there is at least one activity with completion enabled.
*/
public function has_activities() {
$modinfo = get_fast_modinfo($this->course);
foreach ($modinfo->get_cms() as $cm) {
if ($cm->completion != COMPLETION_TRACKING_NONE) {
return true;
}
}
return false;
}
/**
* Obtains a list of activities for which completion is enabled on the
* course. The list is ordered by the section order of those activities.
*
* @return cm_info[] Array from $cmid => $cm of all activities with completion enabled,
* empty array if none
*/
public function get_activities() {
$modinfo = get_fast_modinfo($this->course);
$result = array();
foreach ($modinfo->get_cms() as $cm) {
if ($cm->completion != COMPLETION_TRACKING_NONE && !$cm->deletioninprogress) {
$result[$cm->id] = $cm;
}
}
return $result;
}
/**
* Checks to see if the userid supplied has a tracked role in
* this course
*
* @param int $userid User id
* @return bool
*/
public function is_tracked_user($userid) {
return is_enrolled(context_course::instance($this->course->id), $userid, 'moodle/course:isincompletionreports', true);
}
/**
* Returns the number of users whose progress is tracked in this course.
*
* Optionally supply a search's where clause, or a group id.
*
* @param string $where Where clause sql (use 'u.whatever' for user table fields)
* @param array $whereparams Where clause params
* @param int $groupid Group id
* @return int Number of tracked users
*/
public function get_num_tracked_users($where = '', $whereparams = array(), $groupid = 0) {
global $DB;
list($enrolledsql, $enrolledparams) = get_enrolled_sql(
context_course::instance($this->course->id), 'moodle/course:isincompletionreports', $groupid, true);
$sql = 'SELECT COUNT(eu.id) FROM (' . $enrolledsql . ') eu JOIN {user} u ON u.id = eu.id';
if ($where) {
$sql .= " WHERE $where";
}
$params = array_merge($enrolledparams, $whereparams);
return $DB->count_records_sql($sql, $params);
}
/**
* Return array of users whose progress is tracked in this course.
*
* Optionally supply a search's where clause, group id, sorting, paging.
*
* @param string $where Where clause sql, referring to 'u.' fields (optional)
* @param array $whereparams Where clause params (optional)
* @param int $groupid Group ID to restrict to (optional)
* @param string $sort Order by clause (optional)
* @param int $limitfrom Result start (optional)
* @param int $limitnum Result max size (optional)
* @param context $extracontext If set, includes extra user information fields
* as appropriate to display for current user in this context
< * @return array Array of user objects with standard user fields
> * @return array Array of user objects with user fields (including all identity fields)
*/
public function get_tracked_users($where = '', $whereparams = array(), $groupid = 0,
$sort = '', $limitfrom = '', $limitnum = '', context $extracontext = null) {
global $DB;
list($enrolledsql, $params) = get_enrolled_sql(
context_course::instance($this->course->id),
'moodle/course:isincompletionreports', $groupid, true);
< $allusernames = get_all_user_name_fields(true, 'u');
< $sql = 'SELECT u.id, u.idnumber, ' . $allusernames;
< if ($extracontext) {
< $sql .= get_extra_user_fields_sql($extracontext, 'u', '', array('idnumber'));
< }
> $userfieldsapi = \core_user\fields::for_identity($extracontext)->with_name()->excluding('id', 'idnumber');
> $fieldssql = $userfieldsapi->get_sql('u', true);
> $sql = 'SELECT u.id, u.idnumber ' . $fieldssql->selects;
$sql .= ' FROM (' . $enrolledsql . ') eu JOIN {user} u ON u.id = eu.id';
if ($where) {
$sql .= " AND $where";
$params = array_merge($params, $whereparams);
}
> $sql .= $fieldssql->joins;
if ($sort) {
> $params = array_merge($params, $fieldssql->params);
$sql .= " ORDER BY $sort";
>
}
return $DB->get_records_sql($sql, $params, $limitfrom, $limitnum);
}
/**
* Obtains progress information across a course for all users on that course, or
* for all users in a specific group. Intended for use when displaying progress.
*
* This includes only users who, in course context, have one of the roles for
* which progress is tracked (the gradebookroles admin option) and are enrolled in course.
*
* Users are included (in the first array) even if they do not have
* completion progress for any course-module.
*
* @param bool $sortfirstname If true, sort by first name, otherwise sort by
* last name
* @param string $where Where clause sql (optional)
* @param array $where_params Where clause params (optional)
* @param int $groupid Group ID or 0 (default)/false for all groups
* @param int $pagesize Number of users to actually return (optional)
* @param int $start User to start at if paging (optional)
* @param context $extracontext If set, includes extra user information fields
* as appropriate to display for current user in this context
* @return stdClass with ->total and ->start (same as $start) and ->users;
* an array of user objects (like mdl_user id, firstname, lastname)
* containing an additional ->progress array of coursemoduleid => completionstate
*/
public function get_progress_all($where = '', $where_params = array(), $groupid = 0,
$sort = '', $pagesize = '', $start = '', context $extracontext = null) {
global $CFG, $DB;
// Get list of applicable users
$users = $this->get_tracked_users($where, $where_params, $groupid, $sort,
$start, $pagesize, $extracontext);
// Get progress information for these users in groups of 1, 000 (if needed)
// to avoid making the SQL IN too long
$results = array();
$userids = array();
foreach ($users as $user) {
$userids[] = $user->id;
$results[$user->id] = $user;
$results[$user->id]->progress = array();
}
for($i=0; $i<count($userids); $i+=1000) {
$blocksize = count($userids)-$i < 1000 ? count($userids)-$i : 1000;
list($insql, $params) = $DB->get_in_or_equal(array_slice($userids, $i, $blocksize));
array_splice($params, 0, 0, array($this->course->id));
$rs = $DB->get_recordset_sql("
SELECT
cmc.*
FROM
{course_modules} cm
INNER JOIN {course_modules_completion} cmc ON cm.id=cmc.coursemoduleid
WHERE
cm.course=? AND cmc.userid $insql", $params);
foreach ($rs as $progress) {
$progress = (object)$progress;
$results[$progress->userid]->progress[$progress->coursemoduleid] = $progress;
}
$rs->close();
}
return $results;
}
/**
* Called by grade code to inform the completion system when a grade has
* been changed. If the changed grade is used to determine completion for
* the course-module, then the completion status will be updated.
*
* @param stdClass|cm_info $cm Course-module for item that owns grade
* @param grade_item $item Grade item
* @param stdClass $grade
* @param bool $deleted
> * @param bool $isbulkupdate If bulk grade update is happening.
*/
< public function inform_grade_changed($cm, $item, $grade, $deleted) {
> public function inform_grade_changed($cm, $item, $grade, $deleted, $isbulkupdate = false) {
// Bail out now if completion is not enabled for course-module, it is enabled
// but is set to manual, grade is not used to compute completion, or this
// is a different numbered grade
if (!$this->is_enabled($cm) ||
$cm->completion == COMPLETION_TRACKING_MANUAL ||
is_null($cm->completiongradeitemnumber) ||
$item->itemnumber != $cm->completiongradeitemnumber) {
return;
}
// What is the expected result based on this grade?
if ($deleted) {
// Grade being deleted, so only change could be to make it incomplete
$possibleresult = COMPLETION_INCOMPLETE;
} else {
$possibleresult = self::internal_get_grade_state($item, $grade);
}
// OK, let's update state based on this
< $this->update_state($cm, $possibleresult, $grade->userid);
> $this->update_state($cm, $possibleresult, $grade->userid, false, $isbulkupdate);
}
/**
* Calculates the completion state that would result from a graded item
* (where grade-based completion is turned on) based on the actual grade
* and settings.
*
* Internal function. Not private, so we can unit-test it.
*
* @param grade_item $item an instance of grade_item
* @param grade_grade $grade an instance of grade_grade
> * @param bool $returnpassfail If course module has pass grade completion criteria
* @return int Completion state e.g. COMPLETION_INCOMPLETE
*/
< public static function internal_get_grade_state($item, $grade) {
> public static function internal_get_grade_state($item, $grade, bool $returnpassfail = false) {
// If no grade is supplied or the grade doesn't have an actual value, then
// this is not complete.
if (!$grade || (is_null($grade->finalgrade) && is_null($grade->rawgrade))) {
return COMPLETION_INCOMPLETE;
}
// Conditions to show pass/fail:
> // a) Completion criteria to achieve pass grade is enabled
// a) Grade has pass mark (default is 0.00000 which is boolean true so be careful)
> // or
// b) Grade is visible (neither hidden nor hidden-until)
< if ($item->gradepass && $item->gradepass > 0.000009 && !$item->hidden) {
> if ($item->gradepass && $item->gradepass > 0.000009 && ($returnpassfail || !$item->hidden)) {
// Use final grade if set otherwise raw grade
$score = !is_null($grade->finalgrade) ? $grade->finalgrade : $grade->rawgrade;
// We are displaying and tracking pass/fail
if ($score >= $item->gradepass) {
return COMPLETION_COMPLETE_PASS;
> } else if ($item->hidden) {
} else {
> return COMPLETION_COMPLETE_FAIL_HIDDEN;
return COMPLETION_COMPLETE_FAIL;
}
} else {
// Not displaying pass/fail, so just if there is a grade
if (!is_null($grade->finalgrade) || !is_null($grade->rawgrade)) {
// Grade exists, so maybe complete now
return COMPLETION_COMPLETE;
} else {
// Grade does not exist, so maybe incomplete now
return COMPLETION_INCOMPLETE;
}
}
}
/**
* Aggregate activity completion state
*
* @param int $type Aggregation type (COMPLETION_* constant)
* @param bool $old Old state
* @param bool $new New state
* @return bool
*/
public static function aggregate_completion_states($type, $old, $new) {
if ($type == COMPLETION_AND) {
return $old && $new;
} else {
return $old || $new;
}
}
/**
* This is to be used only for system errors (things that shouldn't happen)
* and not user-level errors.
*
* @global type $CFG
* @param string $error Error string (will not be displayed to user unless debugging is enabled)
* @throws moodle_exception Exception with the error string as debug info
*/
public function internal_systemerror($error) {
global $CFG;
throw new moodle_exception('err_system','completion',
$CFG->wwwroot.'/course/view.php?id='.$this->course->id,null,$error);
}
}
/**
* Aggregate criteria status's as per configured aggregation method.
*
* @param int $method COMPLETION_AGGREGATION_* constant.
* @param bool $data Criteria completion status.
* @param bool|null $state Aggregation state.
*/
function completion_cron_aggregate($method, $data, &$state) {
if ($method == COMPLETION_AGGREGATION_ALL) {
if ($data && $state !== false) {
$state = true;
} else {
$state = false;
}
} else if ($method == COMPLETION_AGGREGATION_ANY) {
if ($data) {
$state = true;
} else if (!$data && $state === null) {
$state = false;
}
}
> }
}
>
> /**
> * Aggregate courses completions. This function is called when activity completion status is updated
> * for single user. Also when regular completion task runs it aggregates completions for all courses and users.
> *
> * @param int $coursecompletionid Course completion ID to update (if 0 - update for all courses and users)
> * @param bool $mtraceprogress To output debug info
> * @since Moodle 4.0
> */
> function aggregate_completions(int $coursecompletionid, bool $mtraceprogress = false) {
> global $DB;
>
> if (!$coursecompletionid && $mtraceprogress) {
> mtrace('Aggregating completions');
> }
> // Save time started.
> $timestarted = time();
>
> // Grab all criteria and their associated criteria completions.
> $sql = "SELECT DISTINCT c.id AS courseid, cr.id AS criteriaid, cco.userid, cr.criteriatype, ccocr.timecompleted
> FROM {course_completion_criteria} cr
> INNER JOIN {course} c ON cr.course = c.id
> INNER JOIN {course_completions} cco ON cco.course = c.id
> LEFT JOIN {course_completion_crit_compl} ccocr
> ON ccocr.criteriaid = cr.id AND cco.userid = ccocr.userid
> WHERE c.enablecompletion = 1
> AND cco.timecompleted IS NULL
> AND cco.reaggregate > 0";
>
> if ($coursecompletionid) {
> $sql .= " AND cco.id = ?";
> $param = $coursecompletionid;
> } else {
> $sql .= " AND cco.reaggregate < ? ORDER BY courseid, cco.userid";
> $param = $timestarted;
> }
> $rs = $DB->get_recordset_sql($sql, [$param]);
>
> // Check if result is empty.
> if (!$rs->valid()) {
> $rs->close();
> return;
> }
>
> $currentuser = null;
> $currentcourse = null;
> $completions = [];
> while (1) {
> // Grab records for current user/course.
> foreach ($rs as $record) {
> // If we are still grabbing the same users completions.
> if ($record->userid === $currentuser && $record->courseid === $currentcourse) {
> $completions[$record->criteriaid] = $record;
> } else {
> break;
> }
> }
>
> // Aggregate.
> if (!empty($completions)) {
> if (!$coursecompletionid && $mtraceprogress) {
> mtrace('Aggregating completions for user ' . $currentuser . ' in course ' . $currentcourse);
> }
>
> // Get course info object.
> $info = new \completion_info((object)['id' => $currentcourse]);
>
> // Setup aggregation.
> $overall = $info->get_aggregation_method();
> $activity = $info->get_aggregation_method(COMPLETION_CRITERIA_TYPE_ACTIVITY);
> $prerequisite = $info->get_aggregation_method(COMPLETION_CRITERIA_TYPE_COURSE);
> $role = $info->get_aggregation_method(COMPLETION_CRITERIA_TYPE_ROLE);
>
> $overallstatus = null;
> $activitystatus = null;
> $prerequisitestatus = null;
> $rolestatus = null;
>
> // Get latest timecompleted.
> $timecompleted = null;
>
> // Check each of the criteria.
> foreach ($completions as $params) {
> $timecompleted = max($timecompleted, $params->timecompleted);
> $completion = new \completion_criteria_completion((array)$params, false);
>
> // Handle aggregation special cases.
> if ($params->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY) {
> completion_cron_aggregate($activity, $completion->is_complete(), $activitystatus);
> } else if ($params->criteriatype == COMPLETION_CRITERIA_TYPE_COURSE) {
> completion_cron_aggregate($prerequisite, $completion->is_complete(), $prerequisitestatus);
> } else if ($params->criteriatype == COMPLETION_CRITERIA_TYPE_ROLE) {
> completion_cron_aggregate($role, $completion->is_complete(), $rolestatus);
> } else {
> completion_cron_aggregate($overall, $completion->is_complete(), $overallstatus);
> }
> }
>
> // Include role criteria aggregation in overall aggregation.
> if ($rolestatus !== null) {
> completion_cron_aggregate($overall, $rolestatus, $overallstatus);
> }
>
> // Include activity criteria aggregation in overall aggregation.
> if ($activitystatus !== null) {
> completion_cron_aggregate($overall, $activitystatus, $overallstatus);
> }
>
> // Include prerequisite criteria aggregation in overall aggregation.
> if ($prerequisitestatus !== null) {
> completion_cron_aggregate($overall, $prerequisitestatus, $overallstatus);
> }
>
> // If aggregation status is true, mark course complete for user.
> if ($overallstatus) {
> if (!$coursecompletionid && $mtraceprogress) {
> mtrace('Marking complete');
> }
>
> $ccompletion = new \completion_completion([
> 'course' => $params->courseid,
> 'userid' => $params->userid
> ]);
> $ccompletion->mark_complete($timecompleted);
> }
> }
>
> // If this is the end of the recordset, break the loop.
> if (!$rs->valid()) {
> $rs->close();
> break;
> }
>
> // New/next user, update user details, reset completions.
> $currentuser = $record->userid;
> $currentcourse = $record->courseid;
> $completions = [];
> $completions[$record->criteriaid] = $record;
> }
>
> // Mark all users as aggregated.
> if ($coursecompletionid) {
> $select = "reaggregate > 0 AND id = ?";
> $param = $coursecompletionid;
> } else {
> $select = "reaggregate > 0 AND reaggregate < ?";
> $param = $timestarted;
> if (PHPUNIT_TEST) {
> // MDL-33320: for instant completions we need aggregate to work in a single run.
> $DB->set_field('course_completions', 'reaggregate', $timestarted - 2);
> }
> }
> $DB->set_field_select('course_completions', 'reaggregate', 0, $select, [$param]);
