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<?php |
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/* For licensing terms, see /license.txt */ |
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use Chamilo\CoreBundle\Framework\Container; |
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use Chamilo\CourseBundle\Entity\CForumThread; |
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/** |
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* Class ForumThreadLink. |
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* |
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* @author Bert Steppé |
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*/ |
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class ForumThreadLink extends AbstractLink |
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{ |
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private $forum_thread_table; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->set_type(LINK_FORUM_THREAD); |
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} |
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/** |
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* @return string |
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*/ |
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public function get_type_name() |
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{ |
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return get_lang('Forum threads'); |
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} |
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/** |
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* @return bool |
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*/ |
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public function is_allowed_to_change_name() |
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{ |
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return false; |
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} |
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/** |
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* Generate an array of all exercises available. |
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* |
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* @return array 2-dimensional array - every element contains 2 subelements (id, name) |
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*/ |
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public function get_all_links() |
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{ |
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if (empty($this->course_code)) { |
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return []; |
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} |
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$tbl_grade_links = Database::get_course_table(TABLE_FORUM_THREAD); |
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$sessionId = $this->get_session_id(); |
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if ($sessionId) { |
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$session_condition = 'tl.session_id='.$sessionId; |
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} else { |
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$session_condition = '(tl.session_id = 0 OR tl.session_id IS NULL)'; |
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} |
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$repo = Container::getForumThreadRepository(); |
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$course = api_get_course_entity($this->course_id); |
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$session = api_get_session_entity($sessionId); |
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$qb = $repo->findAllByCourse($course, $session); |
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/** @var CForumThread[] $threads */ |
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$threads = $qb->getQuery()->getResult(); |
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/*$sql = 'SELECT tl.iid as thread_id, tl.thread_title, tl.thread_title_qualify |
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FROM '.$tbl_grade_links.' tl |
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WHERE |
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tl.c_id = '.$this->course_id.' AND |
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'.$session_condition.' |
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'; |
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$result = Database::query($sql);*/ |
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$cats = []; |
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foreach ($threads as $thread) { |
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$title = $thread->getThreadTitle(); |
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$threadQualify = $thread->getThreadTitleQualify(); |
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if (!empty($threadQualify)) { |
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$title = $threadQualify; |
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} |
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$cats[] = [$thread->getIid(), $title]; |
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} |
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return $cats; |
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} |
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/** |
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* Has anyone done this exercise yet ? |
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* |
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* @return bool |
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*/ |
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public function has_results() |
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{ |
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$table = Database::get_course_table(TABLE_FORUM_POST); |
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$sql = "SELECT count(*) AS number FROM $table |
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WHERE |
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c_id = ".$this->course_id." AND |
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iid = '".$this->get_ref_id()."' |
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"; |
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$result = Database::query($sql); |
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$number = Database::fetch_row($result); |
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return 0 != $number[0]; |
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} |
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/** |
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* @param int $studentId |
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* @param string $type |
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* |
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* @return array|null |
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*/ |
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public function calc_score($studentId = null, $type = null) |
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{ |
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$threadInfo = $this->getThreadData(); |
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$thread_qualify = Database::get_course_table(TABLE_FORUM_THREAD_QUALIFY); |
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$sessionId = $this->get_session_id(); |
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$sessionCondition = api_get_session_condition( |
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$sessionId, |
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true, |
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false, |
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'session_id' |
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); |
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$sql = 'SELECT thread_qualify_max |
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FROM '.Database::get_course_table(TABLE_FORUM_THREAD)." |
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WHERE |
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c_id = ".$this->course_id." AND |
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iid = '".$this->get_ref_id()."' |
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$sessionCondition |
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"; |
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$query = Database::query($sql); |
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$assignment = Database::fetch_array($query); |
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$sql = "SELECT * FROM $thread_qualify |
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WHERE |
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c_id = ".$this->course_id." AND |
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iid = ".$this->get_ref_id()." |
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$sessionCondition |
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"; |
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if (isset($studentId)) { |
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$sql .= ' AND user_id = '.intval($studentId); |
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} |
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// order by id, that way the student's first attempt is accessed first |
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$sql .= ' ORDER BY qualify_time DESC'; |
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$scores = Database::query($sql); |
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// for 1 student |
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if (isset($studentId)) { |
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if (0 == $threadInfo['thread_peer_qualify']) { |
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// Classic way of calculate score |
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if ($data = Database::fetch_array($scores)) { |
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return [ |
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$data['qualify'], |
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$assignment['thread_qualify_max'], |
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]; |
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} else { |
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// We sent the 0/thread_qualify_max instead of null for correct calculations |
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return [0, $assignment['thread_qualify_max']]; |
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} |
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} else { |
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// Take average |
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$score = 0; |
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$counter = 0; |
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if (Database::num_rows($scores)) { |
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while ($data = Database::fetch_array($scores, 'ASSOC')) { |
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$score += $data['qualify']; |
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$counter++; |
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} |
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} |
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// If no result |
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if (empty($counter) || $counter <= 2) { |
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return [0, $assignment['thread_qualify_max']]; |
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} |
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return [$score / $counter, $assignment['thread_qualify_max']]; |
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} |
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} else { |
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// All students -> get average |
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$students = []; // user list, needed to make sure we only |
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// take first attempts into account |
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$counter = 0; |
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$sum = 0; |
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$bestResult = 0; |
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$weight = 0; |
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$sumResult = 0; |
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while ($data = Database::fetch_array($scores)) { |
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if (!(array_key_exists($data['user_id'], $students))) { |
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if (0 != $assignment['thread_qualify_max']) { |
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$students[$data['user_id']] = $data['qualify']; |
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$counter++; |
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$sum += $data['qualify'] / $assignment['thread_qualify_max']; |
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$sumResult += $data['qualify']; |
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if ($data['qualify'] > $bestResult) { |
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$bestResult = $data['qualify']; |
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} |
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$weight = $assignment['thread_qualify_max']; |
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} |
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} |
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} |
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if (0 == $counter) { |
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return [null, null]; |
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} else { |
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switch ($type) { |
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case 'best': |
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return [$bestResult, $weight]; |
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break; |
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case 'average': |
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return [$sumResult / $counter, $weight]; |
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break; |
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case 'ranking': |
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return AbstractLink::getCurrentUserRanking($studentId, $students); |
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break; |
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default: |
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return [$sum, $counter]; |
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break; |
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} |
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} |
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} |
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} |
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public function needs_name_and_description() |
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{ |
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return false; |
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} |
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public function needs_max() |
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{ |
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return false; |
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} |
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public function needs_results() |
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{ |
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return false; |
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} |
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/** |
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* @return string |
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*/ |
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public function get_name() |
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{ |
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$this->getThreadData(); |
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$thread_title = isset($this->exercise_data['thread_title']) ? $this->exercise_data['thread_title'] : ''; |
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$thread_title_qualify = isset($this->exercise_data['thread_title_qualify']) ? $this->exercise_data['thread_title_qualify'] : ''; |
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if (isset($thread_title_qualify) && '' != $thread_title_qualify) { |
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return $this->exercise_data['thread_title_qualify']; |
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} |
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return $thread_title; |
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} |
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/** |
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* @return string |
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*/ |
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public function get_description() |
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{ |
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return ''; //$this->exercise_data['description']; |
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} |
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/** |
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* Check if this still links to an exercise. |
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*/ |
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public function is_valid_link() |
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{ |
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$sessionId = $this->get_session_id(); |
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$sql = 'SELECT count(iid) FROM '.$this->get_forum_thread_table().' |
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WHERE |
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c_id = '.$this->course_id.' AND |
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iid = '.$this->get_ref_id().' AND |
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session_id='.$sessionId; |
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$result = Database::query($sql); |
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$number = Database::fetch_row($result); |
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return 0 != $number[0]; |
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} |
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public function get_link() |
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{ |
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$sessionId = $this->get_session_id(); |
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$sql = 'SELECT * FROM '.$this->get_forum_thread_table()." |
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WHERE |
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c_id = {$this->course_id} AND |
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iid = '".$this->get_ref_id()."' AND |
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session_id = $sessionId "; |
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$result = Database::query($sql); |
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$row = Database::fetch_array($result, 'ASSOC'); |
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if ($row) { |
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$forum_id = $row['forum_id']; |
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return api_get_path(WEB_CODE_PATH).'forum/viewthread.php?'. |
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api_get_cidreq_params($this->getCourseId(), $sessionId). |
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'&thread='.$this->get_ref_id().'&gradebook=view&forum='.$forum_id; |
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} |
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return ''; |
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} |
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public function get_icon_name() |
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{ |
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return 'forum'; |
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} |
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public function save_linked_data() |
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{ |
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$weight = $this->get_weight(); |
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$ref_id = $this->get_ref_id(); |
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if (!empty($ref_id)) { |
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$sql = 'UPDATE '.$this->get_forum_thread_table().' SET |
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thread_weight='.api_float_val($weight).' |
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WHERE c_id = '.$this->course_id.' AND iid = '.$ref_id; |
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Database::query($sql); |
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} |
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} |
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322
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323
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public function delete_linked_data() |
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324
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{ |
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$ref_id = $this->get_ref_id(); |
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326
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if (!empty($ref_id)) { |
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327
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// Cleans forum |
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328
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$sql = 'UPDATE '.$this->get_forum_thread_table().' SET |
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thread_qualify_max = 0, |
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thread_weight = 0, |
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thread_title_qualify = "" |
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332
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WHERE c_id = '.$this->course_id.' AND iid = '.$ref_id; |
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|
|
Database::query($sql); |
|
334
|
|
|
} |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
|
|
/** |
|
338
|
|
|
* Lazy load function to get the database table of the student publications. |
|
339
|
|
|
*/ |
|
340
|
|
|
private function get_forum_thread_table() |
|
341
|
|
|
{ |
|
342
|
|
|
return $this->forum_thread_table = Database::get_course_table(TABLE_FORUM_THREAD); |
|
343
|
|
|
} |
|
344
|
|
|
|
|
345
|
|
|
private function getThreadData() |
|
346
|
|
|
{ |
|
347
|
|
|
$sessionId = $this->get_session_id(); |
|
348
|
|
|
if ($sessionId) { |
|
349
|
|
|
$session_condition = 'session_id = '.$sessionId; |
|
350
|
|
|
} else { |
|
351
|
|
|
$session_condition = '(session_id = 0 OR session_id IS NULL)'; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
if (!isset($this->exercise_data)) { |
|
355
|
|
|
$sql = 'SELECT * FROM '.$this->get_forum_thread_table().' |
|
356
|
|
|
WHERE |
|
357
|
|
|
c_id = '.$this->course_id.' AND |
|
358
|
|
|
iid = '.$this->get_ref_id().' AND |
|
359
|
|
|
'.$session_condition; |
|
360
|
|
|
$query = Database::query($sql); |
|
361
|
|
|
$this->exercise_data = Database::fetch_array($query); |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
return $this->exercise_data; |
|
365
|
|
|
} |
|
366
|
|
|
} |
|
367
|
|
|
|
The
breakstatement is not necessary if it is preceded for example by areturnstatement:If you would like to keep this construct to be consistent with other
casestatements, you can safely mark this issue as a false-positive.