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112 lines
4.4 KiB
112 lines
4.4 KiB
<?php //$id:$
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/**
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* File containing the declaration of the learnpathList class.
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* @package dokeos.learnpath
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* @author Yannick Warnier <ywarnier@beeznest.org>
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*/
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/**
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* This class is only a learning path list container with several practical methods for sorting the list and
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* provide links to specific paths
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* @uses Database.lib.php to use the database
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* @uses learnpath.class.php to generate learnpath objects to get in the list
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*/
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class learnpathList {
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var $list = array(); //holds a flat list of learnpaths data from the database
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var $ref_list = array(); //holds a list of references to the learnpaths objects (only filled by get_refs())
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var $alpha_list = array(); //holds a flat list of learnpaths sorted by alphabetical name order
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var $course_code;
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var $user_id;
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var $refs_active = false;
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/**
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* This method is the constructor for the learnpathList. It gets a list of available learning paths from
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* the database and creates the learnpath objects. This list depends on the user that is connected
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* (only displays) items if he has enough permissions to view them.
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* @param integer User ID
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* @param string Optional course code (otherwise we use api_get_course_id())
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* @return void
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*/
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function learnpathList($user_id,$course_code='') {
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if(!empty($course_code)){
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//proceed with course code given
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}else{
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$course_code = api_get_course_id();
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$lp_table = Database::get_course_table(TABLE_LP_MAIN);
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}
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$this->course_code = $course_code;
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$this->user_id = $user_id;
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//condition for the session
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$session_id = api_get_session_id();
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$condition_session = api_get_session_condition($session_id, false);
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$sql = "SELECT * FROM $lp_table $condition_session ORDER BY display_order ASC, name ASC";
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$res = Database::query($sql);
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$names = array();
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while ($row = Database::fetch_array($res))
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{
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//check if published
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$pub = '';
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$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
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//use domesticate here instead of Database::escape_string because
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//it prevents ' to be slashed and the input (done by learnpath.class.php::toggle_visibility())
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//is done using domesticate()
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$myname = domesticate($row['name']);
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$mylink = 'newscorm/lp_controller.php?action=view&lp_id='.$row['id'];
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$sql2="SELECT * FROM $tbl_tool where (name='$myname' and image='scormbuilder.gif' and link LIKE '$mylink%')";
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//error_log('New LP - learnpathList::learnpathList - getting visibility - '.$sql2,0);
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$res2 = Database::query($sql2,__FILE__,__LINE__);
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if(Database::num_rows($res2)>0){
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$row2 = Database::fetch_array($res2);
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$pub = $row2['visibility'];
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}else{
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$pub = 'i';
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}
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//check if visible
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$vis = api_get_item_visibility(api_get_course_info($course_code),'learnpath',$row['id']);
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$this->list[$row['id']] = array(
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'lp_type' => $row['lp_type'],
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'lp_session' => $row['session_id'],
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'lp_name' => stripslashes($row['name']),
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'lp_desc' => stripslashes($row['description']),
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'lp_path' => $row['path'],
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'lp_view_mode' => $row['default_view_mod'],
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'lp_force_commit' => $row['force_commit'],
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'lp_maker' => stripslashes($row['content_maker']),
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'lp_proximity' => $row['content_local'],
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'lp_encoding' => $row['default_encoding'],
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'lp_visibility' => $vis,
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'lp_published' => $pub,
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'lp_prevent_reinit' => $row['prevent_reinit'],
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'lp_scorm_debug' => $row['debug'],
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'lp_display_order' => $row['display_order'],
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'lp_preview_image' => stripslashes($row['preview_image'])
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);
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$names[$row['name']]=$row['id'];
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}
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$this->alpha_list = asort($names);
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}
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/**
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* Gets references to learnpaths for all learnpaths IDs kept in the local list.
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* This applies a transformation internally on list and ref_list and returns a copy of the refs list
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* @return array List of references to learnpath objects
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*/
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function get_refs(){
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foreach($this->list as $id => $dummy)
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{
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$this->ref_list[$id] = new learnpath($this->course_code,$id,$this->user_id);
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}
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$this->refs_active = true;
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return $this->ref_list;
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}
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/**
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* Gets a table of the different learnpaths we have at the moment
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* @return array Learnpath info as [lp_id] => ([lp_type]=> ..., [lp_name]=>...,[lp_desc]=>...,[lp_path]=>...)
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*/
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function get_flat_list()
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{
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return $this->list;
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}
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}
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?>
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