learnpathList.class.php 4.3 KB

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  1. <?php //$id:$
  2. /**
  3. * File containing the declaration of the learnpathList class.
  4. * @package dokeos.learningpath
  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('lp');
  34. }
  35. $this->course_code = $course_code;
  36. $this->user_id = $user_id;
  37. $sql = "SELECT * FROM $lp_table ORDER BY display_order ASC, name ASC";
  38. $res = api_sql_query($sql);
  39. $names = array();
  40. while ($row = Database::fetch_array($res))
  41. {
  42. //check if published
  43. $pub = '';
  44. $tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
  45. //use domesticate here instead of mysql_real_escape_string because
  46. //it prevents ' to be slashed and the input (done by learnpath.class.php::toggle_visibility())
  47. //is done using domesticate()
  48. $myname = domesticate($row['name']);
  49. $mylink = 'newscorm/lp_controller.php?action=view&lp_id='.$row['id'];
  50. $sql2="SELECT * FROM $tbl_tool where (name='$myname' and image='scormbuilder.gif' and link LIKE '$mylink%')";
  51. //error_log('New LP - learnpathList::learnpathList - getting visibility - '.$sql2,0);
  52. $res2 = api_sql_query($sql2,__FILE__,__LINE__);
  53. if(Database::num_rows($res2)>0){
  54. $row2 = Database::fetch_array($res2);
  55. $pub = $row2['visibility'];
  56. }else{
  57. $pub = 'i';
  58. }
  59. //check if visible
  60. $vis = api_get_item_visibility(api_get_course_info($course_code),'learnpath',$row['id']);
  61. $this->list[$row['id']] = array(
  62. 'lp_type' => $row['lp_type'],
  63. 'lp_name' => stripslashes($row['name']),
  64. 'lp_desc' => stripslashes($row['description']),
  65. 'lp_path' => $row['path'],
  66. 'lp_view_mode' => $row['default_view_mod'],
  67. 'lp_force_commit' => $row['force_commit'],
  68. 'lp_maker' => stripslashes($row['content_maker']),
  69. 'lp_proximity' => $row['content_local'],
  70. 'lp_encoding' => $row['default_encoding'],
  71. 'lp_progress' => $row['progress'],
  72. 'lp_visibility' => $vis,
  73. 'lp_published' => $pub,
  74. 'lp_prevent_reinit' => $row['prevent_reinit'],
  75. 'lp_scorm_debug' => $row['debug'],
  76. 'lp_display_order' => $row['display_order'],
  77. );
  78. $names[$row['name']]=$row['id'];
  79. }
  80. $this->alpha_list = asort($names);
  81. }
  82. /**
  83. * Gets references to learnpaths for all learnpaths IDs kept in the local list.
  84. * This applies a transformation internally on list and ref_list and returns a copy of the refs list
  85. * @return array List of references to learnpath objects
  86. */
  87. function get_refs(){
  88. foreach($this->list as $id => $dummy)
  89. {
  90. $this->ref_list[$id] = new learnpath($this->course_code,$id,$this->user_id);
  91. }
  92. $this->refs_active = true;
  93. return $this->ref_list;
  94. }
  95. /**
  96. * Gets a table of the different learnpaths we have at the moment
  97. * @return array Learnpath info as [lp_id] => ([lp_type]=> ..., [lp_name]=>...,[lp_desc]=>...,[lp_path]=>...)
  98. */
  99. function get_flat_list()
  100. {
  101. return $this->list;
  102. }
  103. }
  104. ?>