$this->assertNotNull($objectnew);
unset($objectnew);
}
/**
* Object construction with no required param 'toolid' and 'taskid'. It should throw a 'moodle_exception'???
*/
public function test_construction_fail_5()
{
$this->taskid = 0;
}
//Por si queremos crear una instancia vacía (para usar evalcomix_object::fetch_all_helper es necesario)
if (is_numeric($assessorid) && !is_float($assessorid) && $assessorid > '0') {
//if($assessorid != '0'){
$assessor = $DB->get_record('user', array('id' => $assessorid), '*', MUST_EXIST);
$this->assessorid = $assessor->id;
} else {
$this->assessorid = 0;
}
//Por si queremos crear una instancia vacía (para usar evalcomix_object::fetch_all_helper es necesario)
if (is_numeric($studentid) && !is_float($studentid) && $studentid > '0') {
//if($studentid != '0'){
$student = $DB->get_record('user', array('id' => $studentid), '*', MUST_EXIST);
$this->studentid = $student->id;
} else {
$this->studentid = 0;
}
}
/**
* Updates this object in the Database, based on its object variables. ID must be set.
* @param string $source from where was the object updated (mod/forum, manual, etc.)
* @return boolean success
*/
public function update()
{
global $DB;
if (empty($this->id)) {
debugging('Can not update assessment object, no id!');
return false;
}
$this->timemodified = time();
$data = $this->get_record_data();
$DB->update_record($this->table, $data);
$this->notify_changed(false);
return true;
}
/**
* Updates this object in the Database, based on its object variables. ID must be set.
* @param string $source from where was the object updated (mod/forum, manual, etc.)
* @return boolean success
*/
/*public function delete(){
global $DB;
if (empty($this->id)) {
debugging('Can not delete assessment object, no id!');
return false;
}
//$data = $this->get_record_data();
$DB->delete_records($this->table, array('id' => $this->id));
$this->notify_changed(false);
return true;
}*/
/**
* Calculate evalcomix final grade.
* @static abstract
* @param array $users
* @param int $courseid
* @return array $finalgrades with two dimensions [$taskinstance][$userid] that contains the finalgrades.
*/
public static function get_final_grade($courseid, $users)
{
global $CFG, $COURSE;
include_once $CFG->dirroot . '/blocks/evalcomix/classes/evalcomix_tasks.php';
include_once $CFG->dirroot . '/blocks/evalcomix/classes/evalcomix.php';
//$coursecontext = get_context_instance(CONTEXT_COURSE, $courseid);
$coursecontext = context_course::instance($courseid);
$finalgrades = array();
$tasks = evalcomix_tasks::get_tasks_by_courseid($courseid);
$now = time();
foreach ($tasks as $task) {
$teacherweight = 0;
$selfweight = 0;
$peerweight = 0;
$params = array('taskid' => $task->id);
$modes = evalcomix_modes::fetch_all($params);
if ($modes) {
//Obtains activity´s weights
foreach ($modes as $mode) {
switch ($mode->modality) {
case 'teacher':
$teacherweight = $mode->weighing;
break;
case 'self':
$selfweight = $mode->weighing;
break;
case 'peer':
$peerweight = $mode->weighing;
break;
default:
}
/**
* @return array of course tools by [taskid][modality]
*/
function load_tools()
{
$result = array();
if ($evalcomix = evalcomix::fetch(array('courseid' => $this->courseid))) {
if ($tools = evalcomix_tool::fetch_all(array('evxid' => $evalcomix->id))) {
foreach ($tools as $tool) {
if ($modes = evalcomix_modes::fetch_all(array('toolid' => $tool->id))) {
foreach ($modes as $mode) {
$taskid = $mode->taskid;
$modality = $mode->modality;
$result[$taskid][$modality] = $tool;
}
}
}
}
}
return $result;
}
/**
* Calculates finalgrade for a student in a activity
* @param int $params[cmid] course module id
* @param int $params[userid] student id
* @return the finalgrade or -1 if there is only peer-assessment but assessment period hasn't finished or -2 if there is not any assessment
*/
public static function get_finalgrade_user_task($params)
{
if (!isset($params['cmid']) || !isset($params['userid']) || !isset($params['courseid'])) {
return null;
}
$cmid = $params['cmid'];
$userid = $params['userid'];
$courseid = $params['courseid'];
//$coursecontext = get_context_instance(CONTEXT_COURSE, $courseid);
$coursecontext = context_course::instance($courseid);
$now = time();
global $CFG, $DB;
include_once $CFG->dirroot . '/blocks/evalcomix/classes/evalcomix_tasks.php';
if (!($task = evalcomix_tasks::fetch(array('instanceid' => $cmid)))) {
return null;
}
$result = null;
$teacherweight = -1;
$selfweight = -1;
$peerweight = -1;
$params_modes = array('taskid' => $task->id);
$modes = evalcomix_modes::fetch_all($params_modes);
if ($modes) {
//Obtains activity´s weights
foreach ($modes as $mode) {
switch ($mode->modality) {
case 'teacher':
$teacherweight = $mode->weighing;
break;
case 'self':
$selfweight = $mode->weighing;
break;
case 'peer':
$peerweight = $mode->weighing;
break;
default:
}
}
//echo $task->id . ': teacherweight-' . $teacherweight . ' selfweight-' .$selfweight . ' peerweight-' .$peerweight.'<br/>';
$params2 = array('taskid' => $task->id, 'studentid' => $userid);
$assessments = evalcomix_assessments::fetch_all($params2);
$inperiod = false;
if ($assessments) {
//$selfgrade = 0;
$selfgrade = -1;
$teachergrade = 0;
$numteachers = 0;
$peergrade = 0;
$numpeers = 0;
$grade = 0;
foreach ($assessments as $assessment) {
//If it is a self assessment
if ($assessment->studentid == $assessment->assessorid && $selfweight != -1) {
$selfgrade = $assessment->grade;
} elseif (has_capability('moodle/grade:viewhidden', $coursecontext, $assessment->assessorid)) {
if ($teacherweight != -1) {
$teachergrade += $assessment->grade;
$numteachers++;
}
} elseif ($assessment->studentid != $assessment->assessorid) {
//If it is a peer assessment
//Only gets grades when the assessment period in the task is finished
if ($modeEI = evalcomix_modes::fetch(array('taskid' => $assessment->taskid, 'modality' => 'peer'))) {
$modeEItime = evalcomix_modes_time::fetch(array('modeid' => $modeEI->id));
if ($modeEItime && $now > $modeEItime->timedue) {
$peergrade += $assessment->grade;
$numpeers++;
} elseif ($now >= $modeEItime->timeavailable && $now <= $modeEItime->timedue) {
$inperiod = true;
}
}
}
}
//Calculates peergrade
if ($numpeers > 0) {
$peergrade = round($peergrade / $numpeers, 2);
}
//Calculates teachergrade
if ($numteachers > 0) {
$teachergrade = round($teachergrade / $numteachers, 2);
}
//Calcultes the total grade
//if($teachergrade != 0 || $selfgrade != 0 || $peergrade != 0){
if ($numteachers > 0 || $numpeers > 0 || $selfgrade != -1) {
if ($selfgrade == -1) {
$selfgrade = 0;
}
$result = $selfgrade * ($selfweight / 100) + $teachergrade * ($teacherweight / 100) + $peergrade * ($peerweight / 100);
} elseif ($inperiod == true) {
//There is peer assessments but assessment period hasn't finished
$result = -1;
} else {
$result = -2;
}
return $result;
} else {
return null;
}
} else {
return -3;
}
}
