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125 lines
3.0 KiB
125 lines
3.0 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class LinkFactory
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* Factory for link objects.
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*
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* @author Bert Steppé
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*/
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class LinkFactory
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{
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/**
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* Retrieve links and return them as an array of extensions of AbstractLink.
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*
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* @param int $id link id
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* @param int $type link type
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* @param int $ref_id reference id
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* @param int $user_id user id (link owner)
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* @param string $course_code course code
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* @param int $category_id parent category
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* @param int $visible visible
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*
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* @return array
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*/
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public static function load(
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$id = null,
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$type = null,
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$ref_id = null,
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$user_id = null,
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$course_code = null,
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$category_id = null,
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$visible = null
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) {
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return AbstractLink::load(
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$id,
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$type,
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$ref_id,
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$user_id,
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$course_code,
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$category_id,
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$visible
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);
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}
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/**
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* Get the link object referring to an evaluation.
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*/
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public static function get_evaluation_link($eval_id)
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{
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$links = AbstractLink::load(null, null, $eval_id);
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foreach ($links as $link) {
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if (is_a($link, 'EvalLink')) {
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return $link;
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}
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}
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return null;
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}
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/**
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* Find links by name.
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*
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* @param string $name search string
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*
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* @return array link objects matching the search criterium
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*/
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public static function find_links($name, $selectcat)
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{
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return AbstractLink::find_links($name, $selectcat);
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}
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/**
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* Static method to create specific link objects.
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*
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* @param int $type link type
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*/
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public static function create($type)
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{
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$type = (int) $type;
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switch ($type) {
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case LINK_EXERCISE:
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return new ExerciseLink();
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case LINK_HOTPOTATOES:
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return new ExerciseLink(1);
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case LINK_DROPBOX:
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return new DropboxLink();
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case LINK_STUDENTPUBLICATION:
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return new StudentPublicationLink();
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case LINK_LEARNPATH:
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return new LearnpathLink();
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case LINK_FORUM_THREAD:
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return new ForumThreadLink();
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case LINK_ATTENDANCE:
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return new AttendanceLink();
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case LINK_SURVEY:
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return new SurveyLink();
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}
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return null;
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}
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/**
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* Return an array of all known link types.
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*
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* @return array
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*/
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public static function get_all_types()
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{
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//LINK_DROPBOX,
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return [
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LINK_EXERCISE,
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//LINK_DROPBOX,
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LINK_HOTPOTATOES,
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LINK_STUDENTPUBLICATION,
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LINK_LEARNPATH,
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LINK_FORUM_THREAD,
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LINK_ATTENDANCE,
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LINK_SURVEY,
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];
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}
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public function delete()
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{
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}
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}
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