/**
* Manage course pages
*
* @return void
*/
public function displayTask()
{
// Incoming
$this->view->filters = array('tmpl' => Request::getState($this->_option . '.' . $this->_controller . '.tmpl', 'tmpl', ''), 'asset_scope' => Request::getState($this->_option . '.' . $this->_controller . '.scope', 'scope', 'asset_group'), 'asset_scope_id' => Request::getState($this->_option . '.' . $this->_controller . '.scope_id', 'scope_id', 0, 'int'), 'course_id' => Request::getState($this->_option . '.' . $this->_controller . '.course_id', 'course_id', 0, 'int'), 'limit' => Request::getState($this->_option . '.' . $this->_controller . '.limit', 'limit', Config::get('list_limit'), 'int'), 'start' => Request::getState($this->_option . '.' . $this->_controller . '.limitstart', 'limitstart', 0, 'int'));
$tbl = new Tables\Asset($this->database);
$rows = $tbl->find(array('w' => $this->view->filters));
$r = array();
if ($rows) {
foreach ($rows as $row) {
$r[$row->id] = $row;
}
}
$this->view->rows = $r;
$assets = $tbl->find(array('w' => array('course_id' => $this->view->filters['course_id'])));
$a = array();
if ($assets) {
foreach ($assets as $row) {
$a[$row->id] = $row;
}
}
$this->view->assets = $a;
$this->view->total = count($this->view->rows);
// Set any errors
foreach ($this->getErrors() as $error) {
$this->view->setError($error);
}
// Output the HTML
$this->view->display();
}
/**
* Check whether or not the student is passing the course and has completed all items
*
* @param int $member_id
* @return bool
**/
public function isEligibleForRecognition($member_id = null)
{
static $assets = null;
static $grades = null;
// Get a grade policy object
$gradePolicy = new GradePolicies($this->course->offering()->section()->get('grade_policy_id'), $this->course->offering()->section()->get('id'));
if (!isset($assets)) {
// Get the graded assets
$asset = new Tables\Asset(\App::get('db'));
$assets = $asset->find(array('w' => array('course_id' => $this->course->get('id'), 'section_id' => $this->course->offering()->section()->get('id'), 'offering_id' => $this->course->offering()->get('id'), 'graded' => true, 'state' => 1, 'asset_scope' => 'asset_group'), 'order_by' => 'title', 'order_dir' => 'ASC'));
// Get gradebook auxiliary assets
$auxiliary = $asset->findByScope('offering', $this->course->offering()->get('id'), array('asset_type' => 'gradebook', 'asset_subtype' => 'auxiliary', 'graded' => true, 'state' => 1));
$assets = array_merge($assets, $auxiliary);
}
// Get totals by type
$totals = array('exam' => 0, 'quiz' => 0, 'homework' => 0);
$counts = array();
if ($assets && count($assets) > 0) {
foreach ($assets as $asset) {
++$totals[$asset->grade_weight];
}
}
if (!isset($grades)) {
// Get count of graded items taken
$filters = array('member_id' => $member_id, 'scope' => 'asset', 'graded' => true);
$grades = $this->_grades($filters);
}
// Restructure data
foreach ($grades as $g) {
if (!is_null($g->score) || !is_null($g->override)) {
if (isset($counts[$g->member_id][$g->grade_weight])) {
++$counts[$g->member_id][$g->grade_weight];
} else {
$counts[$g->member_id][$g->grade_weight] = 1;
}
}
}
// Get weights to determine what counts toward the final grade
$exam_weight = $gradePolicy->get('exam_weight');
$quiz_weight = $gradePolicy->get('quiz_weight');
$homework_weight = $gradePolicy->get('homework_weight');
$return = false;
if (isset($counts)) {
if (!is_null($member_id) && !is_array($member_id)) {
$member_id = (array) $member_id;
} else {
$member_id = array();
foreach ($this->course->offering()->section()->members() as $m) {
$member_id[] = $m->get('id');
}
}
// Loop though the users
foreach ($member_id as $m) {
$passing = $this->passing(true, $m);
// Now make sure they've taken all required exams/quizzes/homeworks, and that they passed
if (($exam_weight == 0 || $exam_weight > 0 && isset($counts[$m]['exam']) && $totals['exam'] == $counts[$m]['exam']) && ($quiz_weight == 0 || $quiz_weight > 0 && isset($counts[$m]['quiz']) && $totals['quiz'] == $counts[$m]['quiz']) && ($homework_weight == 0 || $homework_weight > 0 && isset($counts[$m]['homework']) && $totals['homework'] == $counts[$m]['homework']) && $passing[$m]) {
$return[] = $m;
}
}
}
return $return;
}
/**
* Get a list of assets for a unit
* Accepts an array of filters to apply to the list of assets
*
* @param array $filters Filters to apply
* @return object \Components\Courses\Models\Iterator
*/
public function assets($filters = array())
{
if (!isset($this->_assets) || !$this->_assets instanceof Iterator) {
if (!isset($filters['asset_scope_id'])) {
$filters['asset_scope_id'] = (int) $this->get('id');
}
if (!isset($filters['asset_scope'])) {
$filters['asset_scope'] = 'unit';
}
if (!isset($filters['section_id'])) {
$filters['section_id'] = (int) $this->get('section_id');
}
$tbl = new Tables\Asset($this->_db);
if ($results = $tbl->find(array('w' => $filters))) {
foreach ($results as $key => $result) {
$results[$key] = new Asset($result);
}
} else {
$results = array();
}
$this->_assets = new Iterator($results);
}
return $this->_assets;
}
