learnpathList.class.php 4.4 KB

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  1. <?php //$id:$
  2. /**
  3. * File containing the declaration of the learnpathList class.
  4. * @package dokeos.learnpath
  5. * @author Yannick Warnier <ywarnier@beeznest.org>
  6. */
  7. /**
  8. * This class is only a learning path list container with several practical methods for sorting the list and
  9. * provide links to specific paths
  10. * @uses Database.lib.php to use the database
  11. * @uses learnpath.class.php to generate learnpath objects to get in the list
  12. */
  13. class learnpathList {
  14. var $list = array(); //holds a flat list of learnpaths data from the database
  15. var $ref_list = array(); //holds a list of references to the learnpaths objects (only filled by get_refs())
  16. var $alpha_list = array(); //holds a flat list of learnpaths sorted by alphabetical name order
  17. var $course_code;
  18. var $user_id;
  19. var $refs_active = false;
  20. /**
  21. * This method is the constructor for the learnpathList. It gets a list of available learning paths from
  22. * the database and creates the learnpath objects. This list depends on the user that is connected
  23. * (only displays) items if he has enough permissions to view them.
  24. * @param integer User ID
  25. * @param string Optional course code (otherwise we use api_get_course_id())
  26. * @return void
  27. */
  28. function learnpathList($user_id,$course_code='') {
  29. if(!empty($course_code)){
  30. //proceed with course code given
  31. }else{
  32. $course_code = api_get_course_id();
  33. $lp_table = Database::get_course_table(TABLE_LP_MAIN);
  34. }
  35. $this->course_code = $course_code;
  36. $this->user_id = $user_id;
  37. //condition for the session
  38. $session_id = api_get_session_id();
  39. $condition_session = api_get_session_condition($session_id, false);
  40. $sql = "SELECT * FROM $lp_table $condition_session ORDER BY display_order ASC, name ASC";
  41. $res = Database::query($sql);
  42. $names = array();
  43. while ($row = Database::fetch_array($res))
  44. {
  45. //check if published
  46. $pub = '';
  47. $tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
  48. //use domesticate here instead of Database::escape_string because
  49. //it prevents ' to be slashed and the input (done by learnpath.class.php::toggle_visibility())
  50. //is done using domesticate()
  51. $myname = domesticate($row['name']);
  52. $mylink = 'newscorm/lp_controller.php?action=view&lp_id='.$row['id'];
  53. $sql2="SELECT * FROM $tbl_tool where (name='$myname' and image='scormbuilder.gif' and link LIKE '$mylink%')";
  54. //error_log('New LP - learnpathList::learnpathList - getting visibility - '.$sql2,0);
  55. $res2 = Database::query($sql2,__FILE__,__LINE__);
  56. if(Database::num_rows($res2)>0){
  57. $row2 = Database::fetch_array($res2);
  58. $pub = $row2['visibility'];
  59. }else{
  60. $pub = 'i';
  61. }
  62. //check if visible
  63. $vis = api_get_item_visibility(api_get_course_info($course_code),'learnpath',$row['id']);
  64. $this->list[$row['id']] = array(
  65. 'lp_type' => $row['lp_type'],
  66. 'lp_session' => $row['session_id'],
  67. 'lp_name' => stripslashes($row['name']),
  68. 'lp_desc' => stripslashes($row['description']),
  69. 'lp_path' => $row['path'],
  70. 'lp_view_mode' => $row['default_view_mod'],
  71. 'lp_force_commit' => $row['force_commit'],
  72. 'lp_maker' => stripslashes($row['content_maker']),
  73. 'lp_proximity' => $row['content_local'],
  74. 'lp_encoding' => $row['default_encoding'],
  75. 'lp_visibility' => $vis,
  76. 'lp_published' => $pub,
  77. 'lp_prevent_reinit' => $row['prevent_reinit'],
  78. 'lp_scorm_debug' => $row['debug'],
  79. 'lp_display_order' => $row['display_order'],
  80. 'lp_preview_image' => stripslashes($row['preview_image'])
  81. );
  82. $names[$row['name']]=$row['id'];
  83. }
  84. $this->alpha_list = asort($names);
  85. }
  86. /**
  87. * Gets references to learnpaths for all learnpaths IDs kept in the local list.
  88. * This applies a transformation internally on list and ref_list and returns a copy of the refs list
  89. * @return array List of references to learnpath objects
  90. */
  91. function get_refs(){
  92. foreach($this->list as $id => $dummy)
  93. {
  94. $this->ref_list[$id] = new learnpath($this->course_code,$id,$this->user_id);
  95. }
  96. $this->refs_active = true;
  97. return $this->ref_list;
  98. }
  99. /**
  100. * Gets a table of the different learnpaths we have at the moment
  101. * @return array Learnpath info as [lp_id] => ([lp_type]=> ..., [lp_name]=>...,[lp_desc]=>...,[lp_path]=>...)
  102. */
  103. function get_flat_list()
  104. {
  105. return $this->list;
  106. }
  107. }
  108. ?>