Miqra-Engineering/moodle_local_treestudyplan
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moodle_local_treestudyplan/classes/corecompletioninfo.php

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<?php
namespace local_treestudyplan;
require_once($CFG->libdir.'/externallib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/course/lib.php');
use core_course\local\repository\caching_content_item_readonly_repository;
use core_course\local\repository\content_item_readonly_repository;
use \grade_item;
use \grade_scale;
use \grade_outcome;
class corecompletioninfo {
private $course;
private $completion;
private $modinfo;
private static $COMPLETION_HANDLES = null;
public function id(){
return $this->course->id;
}
public function __construct($course){
global $DB;
$this->course = $course;
$this->completion = new \completion_info($this->course);
$this->modinfo = get_fast_modinfo($this->course);
}
static public function completiontypes(){
global $COMPLETION_CRITERIA_TYPES;
// Just return the keys of the global array COMPLETION_CRITERIA_TYPES, so we don't have to manually
// add any completion types....
return \array_keys($COMPLETION_CRITERIA_TYPES);
}
/**
* Translate a numeric completion constant to a text string
* @param $completion The completion code as defined in completionlib.php to translate to a text handle
*/
static public function completion_handle($completion){
if(empty(self::$COMPLETION_HANDLES)){
// Cache the translation table, to avoid overhead
self::$COMPLETION_HANDLES = [
COMPLETION_INCOMPLETE => "incomplete",
COMPLETION_COMPLETE => "complete",
COMPLETION_COMPLETE_PASS => "complete-pass",
COMPLETION_COMPLETE_FAIL => "complete-fail",
COMPLETION_COMPLETE_FAIL_HIDDEN => "complete-fail"]; // the front end won't differentiate between hidden or not
}
return self::$COMPLETION_HANDLES[$completion] ?? "undefined";
}
public static function completion_item_editor_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
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"id" => new \external_value(PARAM_INT,'criteria id',VALUE_OPTIONAL),
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"title" => new \external_value(PARAM_TEXT,'name of subitem',VALUE_OPTIONAL),
"link" => new \external_value(PARAM_TEXT, 'optional link to more details',VALUE_OPTIONAL),
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"details" => new \external_single_structure([
"type" => new \external_value(PARAM_RAW, 'type',VALUE_OPTIONAL),
"criteria" => new \external_value(PARAM_RAW, 'criteria',VALUE_OPTIONAL),
"requirement" => new \external_value(PARAM_RAW, 'requirement',VALUE_OPTIONAL),
"status" => new \external_value(PARAM_RAW, 'status',VALUE_OPTIONAL),
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]),
//"studentcompletion" => completionscanner::structure(VALUE_OPTIONAL),
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], 'completion type',$value);
}
public static function completion_type_editor_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"items" => new \external_multiple_structure(self::completion_item_editor_structure(),'subitems',VALUE_OPTIONAL),
"title" => new \external_value(PARAM_TEXT,'optional title',VALUE_OPTIONAL),
"desc" => new \external_value(PARAM_TEXT, 'optional description',VALUE_OPTIONAL),
"type" => new \external_value(PARAM_TEXT, 'completion type name'),
"aggregation" => new \external_value(PARAM_TEXT, 'completion aggregation for this type ["all","any"]'),
], 'completion type',$value);
}
public static function editor_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"conditions" => new \external_multiple_structure(self::completion_type_editor_structure(),'completion conditions'),
"aggregation" => new \external_value(PARAM_TEXT, 'completion aggregation ["all","any"]'),
"enabled" => new \external_value(PARAM_BOOL,"whether completion is enabled here"),
], 'course completion info',$value);
}
public static function completion_item_user_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
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"id" => new \external_value(PARAM_INT,'id of completion',VALUE_OPTIONAL),
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"title" => new \external_value(PARAM_TEXT,'name of subitem',VALUE_OPTIONAL),
"details" => new \external_single_structure([
"type" => new \external_value(PARAM_RAW, 'type',VALUE_OPTIONAL),
"criteria" => new \external_value(PARAM_RAW, 'criteria',VALUE_OPTIONAL),
"requirement" => new \external_value(PARAM_RAW, 'requirement',VALUE_OPTIONAL),
"status" => new \external_value(PARAM_RAW, 'status',VALUE_OPTIONAL),
]),
"link" => new \external_value(PARAM_TEXT, 'optional link to more details',VALUE_OPTIONAL),
"completed" => new \external_value(PARAM_BOOL, 'simple completed or not'),
"status" => new \external_value(PARAM_TEXT, 'extended completion status ["incomplete","progress","complete", "complete-pass","complete-fail"]'),
"pending" => new \external_value(PARAM_BOOL, 'optional pending state, for submitted but not yet reviewed activities',VALUE_OPTIONAL),
"grade" => new \external_value(PARAM_TEXT, 'optional grade result for this subitem',VALUE_OPTIONAL),
"feedback" => new \external_value(PARAM_RAW, 'optional feedback for this subitem ',VALUE_OPTIONAL),
], 'completion type',$value);
}
public static function completion_type_user_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"items" => new \external_multiple_structure(self::completion_item_user_structure(),'subitems',VALUE_OPTIONAL),
"title" => new \external_value(PARAM_TEXT,'optional title',VALUE_OPTIONAL),
"desc" => new \external_value(PARAM_TEXT, 'optional description',VALUE_OPTIONAL),
"type" => new \external_value(PARAM_TEXT, 'completion type name'),
"aggregation" => new \external_value(PARAM_TEXT, 'completion aggregation for this type ["all","any"]'),
"completed" => new \external_value(PARAM_BOOL, 'current completion value for this type'),
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"status" => new \external_value(PARAM_TEXT, 'extended completion status ["incomplete","progress","complete", "complete-pass","complete-fail"]'),
"progress" => new \external_value(PARAM_INT, 'completed sub-conditions'),
"count" => new \external_value(PARAM_INT, 'total number of sub-conditions'),
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], 'completion type',$value);
}
public static function user_structure($value=VALUE_REQUIRED){
return new \external_single_structure([
"progress" => new \external_value(PARAM_INT, 'completed sub-conditions'),
"enabled" => new \external_value(PARAM_BOOL,"whether completion is enabled here"),
"tracked" => new \external_value(PARAM_BOOL,"whether completion is tracked for the user",VALUE_OPTIONAL),
"count" => new \external_value(PARAM_INT, 'total number of sub-conditions'),
"conditions" => new \external_multiple_structure(self::completion_type_user_structure(),'completion conditions'),
"completed" => new \external_value(PARAM_BOOL, 'current completion value'),
"aggregation" => new \external_value(PARAM_TEXT, 'completion aggregation ["all","any"]'),
"pending" => new \external_value(PARAM_BOOL,"true if the user has any assignments pending grading",VALUE_OPTIONAL),
], 'course completion info',$value);
}
private static function aggregation_handle($method){
return ($method==COMPLETION_AGGREGATION_ALL)?"all":"any";
}
public function editor_model() {
global $DB, $COMPLETION_CRITERIA_TYPES;
$conditions = [];
$aggregation = "all"; // default
$info = [
"conditions" => $conditions,
"aggregation" => self::aggregation_handle($this->completion->get_aggregation_method()),
"enabled" => $this->completion->is_enabled()
];
// Check if completion tracking is enabled for this course - otherwise, revert to defaults
if($this->completion->is_enabled())
{
$aggregation = $this->completion->get_aggregation_method();
// Loop through all condition types to see if they are applicable
foreach(self::completiontypes() as $type){
$criterias = $this->completion->get_criteria($type); // Returns array of relevant criteria items
if(count($criterias) > 0 ) // Only take it into account if the criteria count is > 0
{
$cinfo = [
"type" => $COMPLETION_CRITERIA_TYPES[$type],
"aggregation" => self::aggregation_handle($this->completion->get_aggregation_method($type)),
"title" => reset($criterias)->get_type_title(),
"items" => [],
];
foreach($criterias as $criteria){
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// Unfortunately, we cannot easily get the criteria details with get_details() without having a
// user completion object involved, so'we'll have to retrieve the details per completion type
// See moodle/completion/criteria/completion_criteria_*.php::get_details() for the code that is
// in the code below is based on
if($type == COMPLETION_CRITERIA_TYPE_SELF){
$details = [
"type" => $criteria->get_title(),
"criteria" => $criteria->get_title(),
"requirement" => get_string('markingyourselfcomplete', 'completion'),
"status" => "",
];
}
else if ($type == COMPLETION_CRITERIA_TYPE_DATE){
$details = [
"type" => get_string('datepassed', 'completion'),
"criteria" => get_string('remainingenroleduntildate', 'completion'),
"requirement" => userdate($criteria->timeend, '%d %B %Y'),
"status" => "",
];
}
else if ($type == COMPLETION_CRITERIA_TYPE_UNENROL){
$details = [
"type" => get_string('unenrolment', 'completion'),
"criteria" => get_string('unenrolment', 'completion'),
"requirement" => get_string('unenrolingfromcourse', 'completion'),
"status" => "",
];
}
else if ($type == COMPLETION_CRITERIA_TYPE_ACTIVITY){
$cm = $this->modinfo->get_cm($criteria->moduleinstance);
$details = [
"type" => $criteria->get_title(),
"criteria" => "", // Will be built in a moment by code copied from completion_criteria_activity.php
"requirement" => "", // Will be built momentarily by code copied from completion_criteria_activity.php
"status" => "",
];
if ($cm->has_view()) {
$details['criteria'] = \html_writer::link($cm->url, $cm->get_formatted_name());
} else {
$details['criteria'] = $cm->get_formatted_name();
}
// Build requirements
$details['requirement'] = array();
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if ($cm->completion == COMPLETION_TRACKING_MANUAL) {
$details['requirement'][] = get_string('markingyourselfcomplete', 'completion');
} elseif ($cm->completion == COMPLETION_TRACKING_AUTOMATIC) {
if ($cm->completionview) {
$modulename = core_text::strtolower(get_string('modulename', $criteria->module));
$details['requirement'][] = get_string('viewingactivity', 'completion', $modulename);
}
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if (!is_null($cm->completiongradeitemnumber)) {
$details['requirement'][] = get_string('achievinggrade', 'completion');
}
if ($cm->completionpassgrade) {
$details['requirement'][] = get_string('achievingpassinggrade', 'completion');
}
}
$details['requirement'] = implode(', ', $details['requirement']);
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}
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else if ($type == COMPLETION_CRITERIA_TYPE_DURATION){
$details = [
"type" => get_string('periodpostenrolment', 'completion'),
"criteria" => get_string('remainingenroledfortime', 'completion'),
"requirement" => get_string('xdays', 'completion', ceil($criteria->enrolperiod / (60*60*24))),
"status" => "",
];
}
else if ($type == COMPLETION_CRITERIA_TYPE_GRADE){
$details = [
"type" => get_string('coursegrade', 'completion'),
"criteria" => get_string('graderequired', 'completion'),
// TODO: convert to selected representation (letter, percentage, etc)
"requirement" => format_float($criteria->gradepass, $decimalpoints),
"status" => "",
];
}
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else if ($type == COMPLETION_CRITERIA_TYPE_ROLE){
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$criteria = $criteria->get_title();
$details = [
"type" => get_string('manualcompletionby', 'completion'),
"criteria" => $criteria,
"requirement" => get_string('markedcompleteby', 'completion', $criteria),
"status" => "",
];
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}
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else if ($type == COMPLETION_CRITERIA_TYPE_COURSE){
$prereq = get_course($criteria->courseinstance);
$coursecontext = \context_course::instance($prereq->id, MUST_EXIST);
$fullname = format_string($prereq->fullname, true, array('context' => $coursecontext));
$details = [
"type" => $criteria->get_title(),
"criteria" => '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$criteria->courseinstance.'">'.s($fullname).'</a>',
"requirement" => get_string('coursecompleted', 'completion'),
"status" => "",
];
} else {
// Moodle added a criteria type
$details = [
"type" => "",
"criteria" => "",
"requirement" => "",
"status" => "",
];
}
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// only add the items list if we actually have items...
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$cinfo["items"][] = [
"id" => $criteria->id,
"title" => $criteria->get_title_detailed(),
"details" => $details,
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//"studentcompletion" =>
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];
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}
$info['conditions'][] = $cinfo;
}
}
}
return $info;
}
private function aggregate_completions($typeaggregation,$completions){
$completed = 0;
$count = count($completions);
foreach($completions as $c){
if($c->is_complete()){
$completed++;
}
}
if($typeaggregation == COMPLETION_AGGREGATION_ALL){
return $completed >= $count;
}
else { // COMPLETION_AGGREGATION_ANY
return $completed > 1;
}
}
public function user_model($userid) {
global $DB, $COMPLETION_CRITERIA_TYPES;
$progress = $this->get_advanced_progress_percentage($userid);
$info = [
'progress' => $progress->completed,
"count" => $progress->count,
"conditions" => [],
"completed" => $this->completion->is_course_complete($userid),
"aggregation" => self::aggregation_handle($this->completion->get_aggregation_method()),
"enabled" => $this->completion->is_enabled(),
"tracked" => $this->completion->is_tracked_user($userid),
];
// Check if completion tracking is enabled for this course - otherwise, revert to defaults
if($this->completion->is_enabled() && $this->completion->is_tracked_user($userid))
{
$anypending = false;
// Loop through all conditions to see if they are applicable
foreach(self::completiontypes() as $type){
// Get the main completion for this type
$completions = $this->completion->get_completions($userid,$type);
if(count($completions) > 0){
$typeaggregation = $this->completion->get_aggregation_method($type);
$completed = $this->aggregate_completions($typeaggregation,$completions);
$cinfo = [
"type" => $COMPLETION_CRITERIA_TYPES[$type],
"aggregation" => self::aggregation_handle($typeaggregation),
"completed" => $completed,
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"status" => $completed?"complete":"incomplete",
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"title" => reset($completions)->get_criteria()->get_type_title(),
"items" => [],
];
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$progress = 0;
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foreach($completions as $completion){
$criteria = $completion->get_criteria();
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if($completion->is_complete()) {
$progress += 1; // Add a point to the progress counter
}
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$iinfo = [
"id" => $criteria->id,
"title" => $criteria->get_title_detailed(),
"details" => $criteria->get_details($completion),
"completed" => $completion->is_complete(), // Make sure to override for activi
"status" => self::completion_handle($completion->is_complete()?COMPLETION_COMPLETE:COMPLETION_INCOMPLETE),
];
if($type == COMPLETION_CRITERIA_TYPE_ACTIVITY){
$cm = $this->modinfo->get_cm($criteria->moduleinstance);
// If it's an activity completion, add all the relevant activities as sub-items
$completion_status = $this->completion->get_grade_completion($cm,$userid);
$iinfo['status'] = self::completion_handle($completion_status);
// Re-evaluate the completed value, to make sure COMPLETE_FAIL doesn't creep in as completed
$iinfo['completed'] = in_array($completion_status,[COMPLETION_COMPLETE, COMPLETION_COMPLETE_PASS]);
// Determine the grade (retrieve from grade item, not from completion)
$grade = $this->get_grade($cm,$userid);
$iinfo['grade'] = $grade->grade;
$iinfo['feedback'] = $grade->feedback;
$iinfo['pending'] = $grade->pending;
$anypending = $anypending || $grade->pending;
// Overwrite the status with progress if something has been graded, or is pending
if($completion_status != COMPLETION_INCOMPLETE || $anypending){
if($cinfo["status"] == "incomplete"){
$cinfo["status"] = "progress";
}
}
}
else if ($type == COMPLETION_CRITERIA_TYPE_GRADE){
// Make sure we provide the current course grade
$iinfo['grade'] = $this->get_course_grade($userid);
if($iinfo["grade"] > 0){
$iinfo["status"] = $completion->is_complete()?"complete-pass":"complete-fail";
if ($cinfo["status"] == "incomplete"){
$cinfo["status"] = "progress";
}
}
}
// finally add the item to the items list
$cinfo["items"][] = $iinfo;
}
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// Set the count and progress stats based on the Type's aggregation style
if($typeaggregation == COMPLETION_AGGREGATION_ALL){
// Count and Progress amount to the sum of items
$cinfo["count"] = count($cinfo["items"]);
$cinfo["progress"] = $progress;
}
else { //$typeaggregation == COMPLETION_AGGREGATION_ANY
// Count and progress are either 1 or 0, since any of the items
// complete's the type
$cinfo["count"] = (count($cinfo["items"]) > 0)?1:0;
$cinfo["progress"] = ($progress>0)?1:0;
}
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$info['conditions'][] = $cinfo;
$info['pending'] = $anypending;
}
}
}
return $info;
}
/**
* Get the grade for a certain course module
* @return stdClass|null object containing 'grade' and optional 'feedback' attribute
*/
private function get_grade($cm,$userid){
// TODO: Display grade in the way described in the course setup (with letters if needed)
$gi= grade_item::fetch(['itemtype' => 'mod',
'itemmodule' => $cm->modname,
'iteminstance' => $cm->instance,
'courseid' => $this->course->id]); // Make sure we only get results relevant to this course
if($gi)
{
// Only the following types of grade yield a result
if(($gi->gradetype == GRADE_TYPE_VALUE || $gi->gradetype == GRADE_TYPE_SCALE))
{
$scale = $gi->load_scale();
$grade = $gi->get_final($userid); // Get the grade for the specified user
$result = new \stdClass;
// Check if the final grade is available and numeric (safety check)
if(!empty($grade) && !empty($grade->finalgrade) && is_numeric($grade->finalgrade)){
// convert scale grades to corresponding scale name
if(isset($scale)){
// get scale value
$result->grade = $scale->get_nearest_item($grade->finalgrade);
}
else
{
// round final grade to 1 decimal point
$result->grade = round($grade->finalgrade,1);
}
$result->feedback = trim($grade->feedback);
$result->pending = (new gradingscanner($gi))->pending($userid);
}
else {
$result->grade = "-"; // Activity is gradable, but user did not receive a grade yet
$result->feedback = null;
$result->pending = false;
}
return $result;
}
}
return null; // Activity cannot be graded (Shouldn't be happening, but still....)
}
/**
* Get the grade for a certain course module
* @return stdClass|null object containing 'grade' and optional 'feedback' attribute
*/
private function get_course_grade($userid){
// TODO: Display grade in the way described in the course setup (with letters if needed)
$gi= grade_item::fetch(['itemtype' => 'course',
'iteminstance' => $this->course->id,
'courseid' => $this->course->id]);
if($gi)
{
// Only the following types of grade yield a result
if(($gi->gradetype == GRADE_TYPE_VALUE || $gi->gradetype == GRADE_TYPE_SCALE))
{
$scale = $gi->load_scale();
$grade = $gi->get_final($userid); // Get the grade for the specified user
// Check if the final grade is available and numeric (safety check)
if(!empty($grade) && !empty($grade->finalgrade) && is_numeric($grade->finalgrade)){
// convert scale grades to corresponding scale name
if(isset($scale)){
// get scale value
return $scale->get_nearest_item($grade->finalgrade);
}
else
{
// round final grade to 1 decimal point
return round($grade->finalgrade,1);
}
}
else {
return "-"; // User did not receive a grade yet for this course
}
}
}
return null; // Course cannot be graded (Shouldn't be happening, but still....)
}
/**
* Returns the percentage completed by a certain user, returns null if no completion data is available.
*
* @param int $userid The id of the user, 0 for the current user
* @return null|float The percentage, or null if completion is not supported in the course,
* or there are no activities that support completion.
*/
function get_progress_percentage($userid){
// First, let's make sure completion is enabled.
if (!$this->completion->is_enabled()) {
return null;
}
if (!$this->completion->is_tracked_user($userid)) {
return null;
}
$completions = $this->completion->get_completions($userid);
$count = count($completions);
$completed = 0;
// Before we check how many modules have been completed see if the course has completed.
if ($this->completion->is_course_complete($userid)) {
$completed = $count;
}
else {
// count all completions, but treat
foreach($completions as $completion){
$crit = $completion->get_criteria();
if($crit->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY) {
// get the cm data object
$cm = $this->modinfo->get_cm($crit->moduleinstance);
// retrieve data for this object
$data = $this->completion->get_data($cm, false, $userid);
// Count complete, but failed as incomplete too...
if (($data->completionstate == COMPLETION_INCOMPLETE) || ($data->completionstate == COMPLETION_COMPLETE_FAIL)) {
$completed += 0;
} else {
$completed += 1;
}
}
else {
if($completion->is_complete()){
$completed += 1;
}
}
}
}
$result = new \stdClass;
$result->count = $count;
$result->completed = $completed;
$result->percentage = ($completed / $count) * 100;
return $result;
}
/**
* Returns the percentage completed by a certain user, returns null if no completion data is available.
*
* @param int $userid The id of the user, 0 for the current user
* @return null|float The percentage, or null if completion is not supported in the course,
* or there are no activities that support completion.
*/
function get_advanced_progress_percentage($userid){
// First, let's make sure completion is enabled.
if (!$this->completion->is_enabled()) {
return null;
}
if (!$this->completion->is_tracked_user($userid)) {
return null;
}
$completions = $this->completion->get_completions($userid);
$aggregation = $this->completion->get_aggregation_method();
$critcount = [];
// Before we check how many modules have been completed see if the course has completed.
if ($this->completion->is_course_complete($userid)) {
$completed = $count;
}
else {
// count all completions, but treat
foreach($completions as $completion){
$crit = $completion->get_criteria();
// Make a new object for the type if it's not already there
$type = $crit->criteriatype;
if(!array_key_exists($type,$critcount)){
$critcount[$type] = new \stdClass;
$critcount[$type]->count = 0;
$critcount[$type]->completed = 0;
$critcount[$type]->aggregation = $this->completion->get_aggregation_method($type);
}
// Get a reference to the counter object for this type
$typecount =& $critcount[$type];
$typecount->count += 1;
if($crit->criteriatype == COMPLETION_CRITERIA_TYPE_ACTIVITY) {
// get the cm data object
$cm = $this->modinfo->get_cm($crit->moduleinstance);
// retrieve data for this object
$data = $this->completion->get_data($cm, false, $userid);
// Count complete, but failed as incomplete too...
if (($data->completionstate == COMPLETION_INCOMPLETE) || ($data->completionstate == COMPLETION_COMPLETE_FAIL)) {
$typecount->completed += 0;
} else {
$typecount->completed += 1;
}
}
else {
if($completion->is_complete()){
$typecount->completed += 1;
}
}
}
}
// Now that we have all completions sorted by type, we can be smart about how to do the count
$count = 0;
$completed = 0;
$completion_percentage = 0;
foreach($critcount as $c){
// Take only types that are actually present into account
if($c->count > 0){
// If the aggregation for the type is ANY, reduce the count to 1 for this type
// And adjust the progress accordingly (check if any have been completed or not)
if($c->aggregation == COMPLETION_AGGREGATION_ALL){
$ct = $c->count;
$cmpl = $c->completed;
}
else {
$ct = 1;
$cmpl = ($c->completed > 0)?1:0;
}
// if ANY completion for the types, count only the criteria type with the highest completion percentage -
// Overwrite data if current type is more complete
if($aggregation == COMPLETION_AGGREGATION_ANY) {
$pct = $cmpl/$ct;
if($pct > $completion_percentage){
$count = $ct;
$completed = $cmpl;
$completion_percentage = $pct;
}
}
// if ALL completion for the types, add the count for this type to that of the others
else {
$count += $ct;
$completed += $cmpl;
// Don't really care about recalculating completion percentage every round in this case
}
}
}
$result = new \stdClass;
$result->count = $count;
$result->completed = $completed;
$result->percentage = ($count > 0)?(($completed / $count) * 100):0;
return $result;
}
}
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