add_courses_to_session_functions.lib.php 4.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106
  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. require_once (api_get_path(LIBRARY_PATH).'xajax/xajax.inc.php');
  4. //require_once (api_get_path(SYS_CODE_PATH).'admin/add_courses_to_session.php');
  5. class AddCourseToSession {
  6. public function search_courses($needle,$type) {
  7. global $tbl_course, $tbl_session_rel_course, $id_session;
  8. $xajax_response = new XajaxResponse();
  9. $return = '';
  10. if(!empty($needle) && !empty($type)) {
  11. // xajax send utf8 datas... datas in db can be non-utf8 datas
  12. $charset = api_get_system_encoding();
  13. $needle = api_convert_encoding($needle, $charset, 'utf-8');
  14. $cond_course_code = '';
  15. if (!empty($id_session)) {
  16. $id_session = Database::escape_string($id_session);
  17. // check course_code from session_rel_course table
  18. $sql = 'SELECT course_code FROM '.$tbl_session_rel_course.' WHERE id_session ="'.(int)$id_session.'"';
  19. $res = Database::query($sql);
  20. $course_codes = '';
  21. if (Database::num_rows($res) > 0) {
  22. while ($row = Database::fetch_row($res)) {
  23. $course_codes .= '\''.$row[0].'\',';
  24. }
  25. $course_codes = substr($course_codes,0,(strlen($course_codes)-1));
  26. $cond_course_code = ' AND course.code NOT IN('.$course_codes.') ';
  27. }
  28. }
  29. if ($type=='single') {
  30. // search users where username or firstname or lastname begins likes $needle
  31. $sql = 'SELECT course.code, course.visual_code, course.title, session_rel_course.id_session
  32. FROM '.$tbl_course.' course
  33. LEFT JOIN '.$tbl_session_rel_course.' session_rel_course
  34. ON course.code = session_rel_course.course_code
  35. AND session_rel_course.id_session = '.intval($id_session).'
  36. WHERE course.visual_code LIKE "'.$needle.'%"
  37. OR course.title LIKE "'.$needle.'%"';
  38. } else {
  39. $sql = 'SELECT course.code, course.visual_code, course.title
  40. FROM '.$tbl_course.' course
  41. WHERE course.visual_code LIKE "'.$needle.'%" '.$cond_course_code.' ORDER BY course.code ';
  42. }
  43. global $_configuration;
  44. if ($_configuration['multiple_access_urls']) {
  45. $tbl_course_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  46. $access_url_id = api_get_current_access_url_id();
  47. if ($access_url_id != -1){
  48. if ($type=='single') {
  49. $sql = 'SELECT course.code, course.visual_code, course.title, session_rel_course.id_session
  50. FROM '.$tbl_course.' course
  51. LEFT JOIN '.$tbl_session_rel_course.' session_rel_course
  52. ON course.code = session_rel_course.course_code
  53. AND session_rel_course.id_session = '.intval($id_session).'
  54. INNER JOIN '.$tbl_course_rel_access_url.' url_course ON (url_course.course_code=course.code)
  55. WHERE access_url_id = '.$access_url_id.' AND (course.visual_code LIKE "'.$needle.'%"
  56. OR course.title LIKE "'.$needle.'%" )';
  57. } else {
  58. $sql = 'SELECT course.code, course.visual_code, course.title
  59. FROM '.$tbl_course.' course, '.$tbl_course_rel_access_url.' url_course
  60. WHERE url_course.course_code=course.code AND access_url_id = '.$access_url_id.'
  61. AND course.visual_code LIKE "'.$needle.'%" '.$cond_course_code.' ORDER BY course.code ';
  62. }
  63. }
  64. }
  65. $rs = Database::query($sql);
  66. $course_list = array();
  67. if ($type=='single') {
  68. while($course = Database :: fetch_array($rs)) {
  69. $course_list[] = $course['code'];
  70. $course_title=str_replace("'","\'",$course_title);
  71. $return .= '<a href="javascript: void(0);" onclick="javascript: add_course_to_session(\''.$course['code'].'\',\''.$course_title.' ('.$course['visual_code'].')'.'\')">'.$course['title'].' ('.$course['visual_code'].')</a><br />';
  72. }
  73. $xajax_response -> addAssign('ajax_list_courses_single','innerHTML',api_utf8_encode($return));
  74. } else {
  75. $return .= '<select id="origin" name="NoSessionCoursesList[]" multiple="multiple" size="20" style="width:340px;">';
  76. while($course = Database :: fetch_array($rs)) {
  77. $course_list[] = $course['code'];
  78. $course_title=str_replace("'","\'",$course_title);
  79. $return .= '<option value="'.$course['code'].'" title="'.htmlspecialchars($course['title'].' ('.$course['visual_code'].')',ENT_QUOTES).'">'.$course['title'].' ('.$course['visual_code'].')</option>';
  80. }
  81. $return .= '</select>';
  82. $xajax_response -> addAssign('ajax_list_courses_multiple','innerHTML',api_utf8_encode($return));
  83. }
  84. }
  85. $_SESSION['course_list'] = $course_list;
  86. return $xajax_response;
  87. }
  88. }
  89. ?>