course_edit.php 13 KB

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  1. <?php // $Id: course_edit.php 20441 2009-05-10 07:39:15Z ivantcholakov $
  2. /* For licensing terms, see /dokeos_license.txt */
  3. /**
  4. ==============================================================================
  5. * @package dokeos.admin
  6. ==============================================================================
  7. */
  8. /*
  9. ==============================================================================
  10. INIT SECTION
  11. ==============================================================================
  12. */
  13. // name of the language file that needs to be included
  14. $language_file = 'admin';
  15. $cidReset = true;
  16. include ('../inc/global.inc.php');
  17. $this_section=SECTION_PLATFORM_ADMIN;
  18. api_protect_admin_script();
  19. include (api_get_path(LIBRARY_PATH).'fileManage.lib.php');
  20. require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
  21. require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
  22. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  23. $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  24. $course_code = isset($_GET['course_code']) ? $_GET['course_code'] : $_POST['code'];
  25. $noPHP_SELF = true;
  26. $tool_name = get_lang('ModifyCourseInfo');
  27. $interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
  28. $interbreadcrumb[] = array ("url" => "course_list.php", "name" => get_lang('AdminCourses'));
  29. /*
  30. -----------------------------------------------------------
  31. Libraries
  32. -----------------------------------------------------------
  33. */
  34. /*
  35. ==============================================================================
  36. FUNCTIONS
  37. ==============================================================================
  38. */
  39. /*
  40. ==============================================================================
  41. MAIN CODE
  42. ==============================================================================
  43. */
  44. // Get all course categories
  45. $table_user = Database :: get_main_table(TABLE_MAIN_USER);
  46. //Get the course infos
  47. $sql = "SELECT * FROM $course_table WHERE code='".Database::escape_string($course_code)."'";
  48. $result = api_sql_query($sql, __FILE__, __LINE__);
  49. if (Database::num_rows($result) != 1)
  50. {
  51. header('Location: course_list.php');
  52. exit ();
  53. }
  54. $course = Database::fetch_array($result,'ASSOC');
  55. // Get course teachers
  56. $table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
  57. $sql = "SELECT user.user_id,lastname,firstname FROM $table_user as user,$table_course_user as course_user WHERE course_user.status='1' AND course_user.user_id=user.user_id AND course_user.course_code='".$course_code."' ORDER BY lastname,firstname";
  58. $res = api_sql_query($sql,__FILE__,__LINE__);
  59. $course_teachers = array();
  60. while($obj = Database::fetch_object($res))
  61. {
  62. $course_teachers[$obj->user_id] = $obj->lastname.' '.$obj->firstname;
  63. }
  64. // Get all possible teachers without the course teachers
  65. $sql = "SELECT user_id,lastname,firstname FROM $table_user WHERE status='1' ORDER BY lastname,firstname";
  66. $res = api_sql_query($sql,__FILE__,__LINE__);
  67. $teachers = array();
  68. $platform_teachers[0] = '-- '.get_lang('NoManager').' --';
  69. while($obj = Database::fetch_object($res))
  70. {
  71. if(!array_key_exists($obj->user_id,$course_teachers)){
  72. $teachers[$obj->user_id] = $obj->lastname.' '.$obj->firstname;
  73. }
  74. if($course['tutor_name']==$course_teachers[$obj->user_id]){
  75. $course['tutor_name']=$obj->user_id;
  76. }
  77. //We add in the array platform teachers
  78. $platform_teachers[$obj->user_id] = $obj->lastname.' '.$obj->firstname;
  79. }
  80. //Case where there is no teacher in the course
  81. if(count($course_teachers)==0){
  82. $sql='SELECT tutor_name FROM '.$course_table.' WHERE code="'.$course_code.'"';
  83. $res = api_sql_query($sql,__FILE__,__LINE__);
  84. $tutor_name=Database::result($res,0,0);
  85. $course['tutor_name']=array_search($tutor_name,$platform_teachers);
  86. }
  87. // Build the form
  88. $form = new FormValidator('update_course');
  89. $form->addElement('hidden','code',$course_code);
  90. $form->add_textfield('visual_code', get_lang('CourseCode'));
  91. $form->applyFilter('visual_code','strtoupper');
  92. $form->applyFilter('visual_code','html_filter');
  93. //$form->add_textfield('tutor_name', get_lang('CourseTitular'));
  94. $form->addElement('select', 'tutor_name', get_lang('CourseTitular'), $platform_teachers);
  95. $form->applyFilter('tutor_name','html_filter');
  96. //$form->addElement('select', 'course_teachers', get_lang('CourseTeachers'), $teachers, 'multiple=multiple size="4" style="width: 150px;"');
  97. $group=array();
  98. $group[] = FormValidator::createElement('select', 'platform_teachers', '', $teachers, 'id="platform_teachers" multiple=multiple size="4" style="width: 150px;"');
  99. $group[] = FormValidator::createElement('select', 'course_teachers', '', $course_teachers, 'id="course_teachers" multiple=multiple size="4" style="width: 150px;"');
  100. $element_template = <<<EOT
  101. <div class="row">
  102. <div class="label">
  103. <!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}
  104. </div>
  105. <div class="formw" style="display:inline">
  106. <table cellpadding="0" cellspacing="0">
  107. <tr>
  108. <!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> <td>{element}</td>
  109. </tr>
  110. </table>
  111. </div>
  112. </div>
  113. EOT;
  114. $renderer = $form->defaultRenderer();
  115. $renderer -> setElementTemplate($element_template, 'group');
  116. $form -> addGroup($group,'group',get_lang('CourseTeachers'),'</td><td width="50" align="center"><input type="button" onclick="moveItem(document.getElementById(\'platform_teachers\'), document.getElementById(\'course_teachers\'))" value=">>"><br><br><input type="button" onclick="moveItem(document.getElementById(\'course_teachers\'), document.getElementById(\'platform_teachers\'))" value="<<"></td><td>');
  117. //title
  118. $form->add_textfield( 'title', get_lang('Title'),true, array ('size' => '60'));
  119. $form->applyFilter('title','html_filter');
  120. $form->applyFilter('title','trim');
  121. $categories_select = $form->addElement('select', 'category_code', get_lang('CourseFaculty'), $categories);
  122. CourseManager::select_and_sort_categories($categories_select);
  123. $form->add_textfield( 'department_name', get_lang('CourseDepartment'), false,array ('size' => '60'));
  124. $form->applyFilter('department_name','html_filter');
  125. $form->applyFilter('department_name','trim');
  126. $form->add_textfield( 'department_url', get_lang('CourseDepartmentURL'),false, array ('size' => '60'));
  127. $form->applyFilter('department_url','html_filter');
  128. $form->applyFilter('department_url','trim');
  129. $form->addElement('select_language', 'course_language', get_lang('CourseLanguage'));
  130. $form->applyFilter('select_language','html_filter');
  131. $form->addElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
  132. $form->addElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
  133. $form->addElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
  134. $form->addElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
  135. $form->addElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
  136. $form->addElement('radio', 'subscribe', null, get_lang('Denied'), 0);
  137. $form->addElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
  138. $form->addElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
  139. $form->addElement('text','disk_quota',get_lang('CourseQuota'));
  140. $form->addRule('disk_quota', get_lang('ThisFieldIsRequired'),'required');
  141. $form->addRule('disk_quota',get_lang('ThisFieldShouldBeNumeric'),'numeric');
  142. $form->addElement('style_submit_button', 'button', get_lang('ModifyCourseInfo'),'onclick="valide()"; class="save"');
  143. // Set some default values
  144. $course_db_name = $course['db_name'];
  145. $course['title']=api_html_entity_decode($course['title'],ENT_QUOTES,$charset);
  146. $form->setDefaults($course);
  147. // Validate form
  148. if( $form->validate())
  149. {
  150. $course = $form->getSubmitValues();
  151. $dbName = $_POST['dbName'];
  152. $course_code = $course['code'];
  153. $visual_code = $course['visual_code'];
  154. // Check if the visual code is already used by *another* course
  155. $visual_code_is_used = false;
  156. error_log($visual_code);
  157. $warn = get_lang('TheFollowingCoursesAlreadyUseThisVisualCode').':';
  158. if (!empty($visual_code)) {
  159. $list = CourseManager::get_courses_info_from_visual_code($visual_code);
  160. foreach ($list as $course_temp) {
  161. error_log($course_temp['code']);
  162. if ($course_temp['code'] != $course_code) {
  163. $visual_code_is_used = true;
  164. $warn .= ' '.$course_temp['title'].' ('.$course_temp['code'].'),';
  165. }
  166. }
  167. $warn = substr($warn,0,-1);
  168. }
  169. $tutor_id = $course['tutor_name'];
  170. $tutor_name=$platform_teachers[$tutor_id];
  171. $teachers = $course['group']['course_teachers'];
  172. $title = $course['title'];
  173. $category_code = $course['category_code'];
  174. $department_name = $course['department_name'];
  175. $department_url = $course['department_url'];
  176. $course_language = $course['course_language'];
  177. $disk_quota = $course['disk_quota'];
  178. $visibility = $course['visibility'];
  179. $subscribe = $course['subscribe'];
  180. $unsubscribe = $course['unsubscribe'];
  181. if (!stristr($department_url, 'http://'))
  182. {
  183. $department_url = 'http://'.$department_url;
  184. }
  185. $sql = "UPDATE $course_table SET course_language='".Database::escape_string($course_language)."',
  186. title='".Database::escape_string($title)."',
  187. category_code='".Database::escape_string($category_code)."',
  188. tutor_name='".Database::escape_string($tutor_name)."',
  189. visual_code='".Database::escape_string($visual_code)."',
  190. department_name='".Database::escape_string($department_name)."',
  191. department_url='".Database::escape_string($department_url)."',
  192. disk_quota='".Database::escape_string($disk_quota)."',
  193. visibility = '".Database::escape_string($visibility)."',
  194. subscribe = '".Database::escape_string($subscribe)."',
  195. unsubscribe='".Database::escape_string($unsubscribe)."'
  196. WHERE code='".Database::escape_string($course_code)."'";
  197. api_sql_query($sql, __FILE__, __LINE__);
  198. //Delete only teacher relations that doesn't match the selected teachers
  199. $cond='';
  200. if(count($teachers)>0){
  201. foreach($teachers as $key) $cond.=" AND user_id<>'".$key."'";
  202. }
  203. $sql='DELETE FROM '.$course_user_table.' WHERE course_code="'.Database::escape_string($course_code).'" AND status="1"'.$cond;
  204. api_sql_query($sql, __FILE__, __LINE__);
  205. if(count($teachers)>0){
  206. foreach($teachers as $key){
  207. //We check if the teacher is already subscribed in this course
  208. $sql_select_teacher = 'SELECT 1 FROM '.$course_user_table.' WHERE user_id = "'.$key.'" AND course_code = "'.$course_code.'"';
  209. $result = api_sql_query($sql_select_teacher, __FILE__, __LINE__);
  210. if(Database::num_rows($result) == 1){
  211. $sql = 'UPDATE '.$course_user_table.' SET status = "1" WHERE course_code = "'.$course_code.'" AND user_id = "'.$key.'"';
  212. }
  213. else{
  214. $sql = "INSERT INTO ".$course_user_table . " SET
  215. course_code = '".Database::escape_string($course_code). "',
  216. user_id = '".$key . "',
  217. status = '1',
  218. role = '',
  219. tutor_id='0',
  220. sort='0',
  221. user_course_cat='0'";
  222. }
  223. api_sql_query($sql, __FILE__, __LINE__);
  224. }
  225. }
  226. $sql = "INSERT IGNORE INTO ".$course_user_table . " SET
  227. course_code = '".Database::escape_string($course_code). "',
  228. user_id = '".$tutor_id . "',
  229. status = '1',
  230. role = '',
  231. tutor_id='0',
  232. sort='0',
  233. user_course_cat='0'";
  234. api_sql_query($sql, __FILE__, __LINE__);
  235. $forum_config_table = Database::get_course_table(TOOL_FORUM_CONFIG_TABLE,$course_db_name);
  236. $sql = "UPDATE ".$forum_config_table." SET default_lang='".Database::escape_string($course_language)."'";
  237. if ($visual_code_is_used == true) {
  238. header('Location: course_list.php?action=show_msg&warn='.urlencode($warn));
  239. } else {
  240. header('Location: course_list.php');
  241. }
  242. exit ();
  243. }
  244. Display::display_header($tool_name);
  245. echo "<script>
  246. function moveItem(origin , destination){
  247. for(var i = 0 ; i<origin.options.length ; i++) {
  248. if(origin.options[i].selected) {
  249. destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
  250. origin.options[i]=null;
  251. i = i-1;
  252. }
  253. }
  254. destination.selectedIndex = -1;
  255. sortOptions(destination.options);
  256. }
  257. function sortOptions(options) {
  258. newOptions = new Array();
  259. for (i = 0 ; i<options.length ; i++)
  260. newOptions[i] = options[i];
  261. newOptions = newOptions.sort(mysort);
  262. options.length = 0;
  263. for(i = 0 ; i < newOptions.length ; i++)
  264. options[i] = newOptions[i];
  265. }
  266. function mysort(a, b){
  267. if(a.text.toLowerCase() > b.text.toLowerCase()){
  268. return 1;
  269. }
  270. if(a.text.toLowerCase() < b.text.toLowerCase()){
  271. return -1;
  272. }
  273. return 0;
  274. }
  275. function valide(){
  276. var options = document.getElementById('course_teachers').options;
  277. for (i = 0 ; i<options.length ; i++)
  278. options[i].selected = true;
  279. document.update_course.submit();
  280. }
  281. </script>";
  282. //api_display_tool_title($tool_name);
  283. // Display the form
  284. $form->display();
  285. /*
  286. ==============================================================================
  287. FOOTER
  288. ==============================================================================
  289. */
  290. Display :: display_footer();
  291. ?>