course_edit.php 14 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. * @package chamilo.admin
  5. */
  6. /* Initialization section */
  7. // name of the language file that needs to be included
  8. $language_file = 'admin';
  9. $cidReset = true;
  10. include ('../inc/global.inc.php');
  11. $this_section=SECTION_PLATFORM_ADMIN;
  12. api_protect_admin_script();
  13. include (api_get_path(LIBRARY_PATH).'fileManage.lib.php');
  14. require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
  15. require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
  16. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  17. $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  18. $course_code = isset($_GET['course_code']) ? $_GET['course_code'] : $_POST['code'];
  19. $noPHP_SELF = true;
  20. $tool_name = get_lang('ModifyCourseInfo');
  21. $interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
  22. $interbreadcrumb[] = array ("url" => "course_list.php", "name" => get_lang('AdminCourses'));
  23. define('USER_FIELD_TYPE_CHECKBOX', 10);
  24. /* Libraries */
  25. /* MAIN CODE */
  26. // Get all course categories
  27. $table_user = Database :: get_main_table(TABLE_MAIN_USER);
  28. //Get the course infos
  29. $sql = "SELECT * FROM $course_table WHERE code='".Database::escape_string($course_code)."'";
  30. $result = Database::query($sql);
  31. if (Database::num_rows($result) != 1) {
  32. header('Location: course_list.php');
  33. exit ();
  34. }
  35. $course = Database::fetch_array($result,'ASSOC');
  36. // Get course teachers
  37. $table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
  38. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
  39. $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_clause;
  40. $res = Database::query($sql);
  41. $course_teachers = array();
  42. while ($obj = Database::fetch_object($res)) {
  43. $course_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
  44. }
  45. // Get all possible teachers without the course teachers
  46. if ($_configuration['multiple_access_urls']) {
  47. $access_url_rel_user_table= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  48. $sql = "SELECT u.user_id,lastname,firstname FROM $table_user as u
  49. INNER JOIN $access_url_rel_user_table url_rel_user
  50. ON (u.user_id=url_rel_user.user_id) WHERE url_rel_user.access_url_id=".api_get_current_access_url_id()." AND status=1".$order_clause;
  51. } else {
  52. $sql = "SELECT user_id,lastname,firstname FROM $table_user WHERE status='1'".$order_clause;
  53. }
  54. $res = Database::query($sql);
  55. $teachers = array();
  56. $platform_teachers[0] = '-- '.get_lang('NoManager').' --';
  57. while ($obj = Database::fetch_object($res)) {
  58. if (!array_key_exists($obj->user_id,$course_teachers)) {
  59. $teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
  60. }
  61. if ($course['tutor_name']==$course_teachers[$obj->user_id]) {
  62. $course['tutor_name']=$obj->user_id;
  63. }
  64. //We add in the array platform teachers
  65. $platform_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
  66. }
  67. //Case where there is no teacher in the course
  68. if (count($course_teachers)==0) {
  69. $sql='SELECT tutor_name FROM '.$course_table.' WHERE code="'.$course_code.'"';
  70. $res = Database::query($sql);
  71. $tutor_name=Database::result($res,0,0);
  72. $course['tutor_name']=array_search($tutor_name,$platform_teachers);
  73. }
  74. // Build the form
  75. $form = new FormValidator('update_course');
  76. $form->addElement('hidden','code',$course_code);
  77. //title
  78. $form->add_textfield( 'title', get_lang('Title'),true, array ('size' => '60'));
  79. $form->applyFilter('title','html_filter');
  80. $form->applyFilter('title','trim');
  81. // code
  82. $form->add_textfield('visual_code', get_lang('CourseCode'));
  83. $form->applyFilter('visual_code','strtoupper');
  84. $form->applyFilter('visual_code','html_filter');
  85. //$form->add_textfield('tutor_name', get_lang('CourseTitular'));
  86. $form->addElement('select', 'tutor_name', get_lang('CourseTitular'), $platform_teachers);
  87. $form->applyFilter('tutor_name','html_filter');
  88. //$form->addElement('select', 'course_teachers', get_lang('CourseTeachers'), $teachers, 'multiple=multiple size="4" style="width: 150px;"');
  89. $group=array();
  90. $group[] = FormValidator::createElement('select', 'platform_teachers', '', $teachers, 'id="platform_teachers" multiple=multiple size="4" style="width: 150px;"');
  91. $group[] = FormValidator::createElement('select', 'course_teachers', '', $course_teachers, 'id="course_teachers" multiple=multiple size="4" style="width: 150px;"');
  92. $element_template = <<<EOT
  93. <div class="row">
  94. <div class="label">
  95. <!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}
  96. </div>
  97. <div class="formw" style="display:inline">
  98. <table cellpadding="0" cellspacing="0">
  99. <tr>
  100. <!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> <td>{element}</td>
  101. </tr>
  102. </table>
  103. </div>
  104. </div>
  105. EOT;
  106. $renderer = $form->defaultRenderer();
  107. $renderer -> setElementTemplate($element_template, 'group');
  108. $form -> addGroup($group,'group',get_lang('CourseTeachers'),'</td><td width="80" align="center">'.
  109. '<input class="arrowr" style="width:30px;height:30px;padding-right:12px" type="button" onclick="moveItem(document.getElementById(\'platform_teachers\'), document.getElementById(\'course_teachers\'))" ><br><br>' .
  110. '<input class="arrowl" style="width:30px;height:30px;padding-left:13px" type="button" onclick="moveItem(document.getElementById(\'course_teachers\'), document.getElementById(\'platform_teachers\'))" ></td><td>');
  111. $categories_select = $form->addElement('select', 'category_code', get_lang('CourseFaculty'), $categories);
  112. CourseManager::select_and_sort_categories($categories_select);
  113. $form->add_textfield( 'department_name', get_lang('CourseDepartment'), false,array ('size' => '60'));
  114. $form->applyFilter('department_name','html_filter');
  115. $form->applyFilter('department_name','trim');
  116. $form->add_textfield( 'department_url', get_lang('CourseDepartmentURL'),false, array ('size' => '60'));
  117. $form->applyFilter('department_url','html_filter');
  118. $form->applyFilter('department_url','trim');
  119. $form->addElement('select_language', 'course_language', get_lang('CourseLanguage'));
  120. $form->applyFilter('select_language','html_filter');
  121. $form->addElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
  122. $form->addElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
  123. $form->addElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
  124. $form->addElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
  125. $form->addElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
  126. $form->addElement('radio', 'subscribe', null, get_lang('Denied'), 0);
  127. $form->addElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
  128. $form->addElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
  129. $form->addElement('text','disk_quota',get_lang('CourseQuota'));
  130. $form->addRule('disk_quota', get_lang('ThisFieldIsRequired'),'required');
  131. $form->addRule('disk_quota',get_lang('ThisFieldShouldBeNumeric'),'numeric');
  132. $list_course_extra_field = CourseManager::get_course_extra_field_list($course_code);
  133. foreach ($list_course_extra_field as $extra_field) {
  134. switch ($extra_field['field_type']) {
  135. /* case USER_FIELD_TYPE_TEXT:
  136. case USER_FIELD_TYPE_TEXTAREA:
  137. case USER_FIELD_TYPE_RADIO: */
  138. case USER_FIELD_TYPE_CHECKBOX:
  139. $checked = (array_key_exists('extra_field_value', $extra_field) && $extra_field['extra_field_value'] == 1)? array('checked'=>'checked'): '';
  140. $form->addElement('hidden', '_extra_'.$extra_field['field_variable'], 0);
  141. $field_display_text=$extra_field['field_display_text'];
  142. $form->addElement('checkbox', 'extra_'.$extra_field['field_variable'],get_lang('SpecialCourse') , get_lang($extra_field['field_default_value']).' '.Display::return_icon('synthese_view.gif',get_lang('AllUsersAreAutomaticallyRegistered')), $checked);
  143. break;
  144. /* case USER_FIELD_TYPE_SELECT_MULTIPLE:
  145. case USER_FIELD_TYPE_DATE:
  146. case USER_FIELD_TYPE_DATETIME:
  147. case USER_FIELD_TYPE_DOUBLE_SELECT:
  148. case USER_FIELD_TYPE_DIVIDER: */
  149. }
  150. }
  151. $form->addElement('style_submit_button', 'button', get_lang('ModifyCourseInfo'),'onclick="valide()"; class="save"');
  152. // Set some default values
  153. $course_db_name = $course['db_name'];
  154. $course['title'] = api_html_entity_decode($course['title'], ENT_QUOTES, $charset);
  155. $form->setDefaults($course);
  156. // Validate form
  157. if ($form->validate()) {
  158. $course = $form->getSubmitValues();
  159. $dbName = $_POST['dbName'];
  160. $course_code = $course['code'];
  161. $visual_code = $course['visual_code'];
  162. // Check if the visual code is already used by *another* course
  163. $visual_code_is_used = false;
  164. $warn = get_lang('TheFollowingCoursesAlreadyUseThisVisualCode').':';
  165. if (!empty($visual_code)) {
  166. $list = CourseManager::get_courses_info_from_visual_code($visual_code);
  167. foreach ($list as $course_temp) {
  168. if ($course_temp['code'] != $course_code) {
  169. $visual_code_is_used = true;
  170. $warn .= ' '.$course_temp['title'].' ('.$course_temp['code'].'),';
  171. }
  172. }
  173. $warn = substr($warn,0,-1);
  174. }
  175. // an extra field
  176. $extras = array();
  177. foreach ($course as $key => $value) {
  178. if (substr($key,0,6)=='extra_') {
  179. $extras[substr($key,6)] = $value;
  180. }
  181. if (substr($key,0,7)=='_extra_') {
  182. if(!array_key_exists(substr($key,7), $extras)) $extras[substr($key,7)] = $value;
  183. }
  184. }
  185. $tutor_id = $course['tutor_name'];
  186. $tutor_name=$platform_teachers[$tutor_id];
  187. $teachers = $course['group']['course_teachers'];
  188. $title = $course['title'];
  189. $category_code = $course['category_code'];
  190. $department_name = $course['department_name'];
  191. $department_url = $course['department_url'];
  192. $course_language = $course['course_language'];
  193. $disk_quota = $course['disk_quota'];
  194. $visibility = $course['visibility'];
  195. $subscribe = $course['subscribe'];
  196. $unsubscribe = $course['unsubscribe'];
  197. if (!stristr($department_url, 'http://')) {
  198. $department_url = 'http://'.$department_url;
  199. }
  200. $sql = "UPDATE $course_table SET course_language='".Database::escape_string($course_language)."',
  201. title='".Database::escape_string($title)."',
  202. category_code='".Database::escape_string($category_code)."',
  203. tutor_name='".Database::escape_string($tutor_name)."',
  204. visual_code='".Database::escape_string($visual_code)."',
  205. department_name='".Database::escape_string($department_name)."',
  206. department_url='".Database::escape_string($department_url)."',
  207. disk_quota='".Database::escape_string($disk_quota)."',
  208. visibility = '".Database::escape_string($visibility)."',
  209. subscribe = '".Database::escape_string($subscribe)."',
  210. unsubscribe='".Database::escape_string($unsubscribe)."'
  211. WHERE code='".Database::escape_string($course_code)."'";
  212. Database::query($sql);
  213. //update the extra fields
  214. if (count($extras) > 0) {
  215. foreach ($extras as $key => $value) {
  216. CourseManager::update_course_extra_field_value($course_code, $key, $value);
  217. }
  218. }
  219. //Delete only teacher relations that doesn't match the selected teachers
  220. $cond='';
  221. if (count($teachers)>0) {
  222. foreach($teachers as $key) $cond.=" AND user_id<>'".$key."'";
  223. }
  224. $sql='DELETE FROM '.$course_user_table.' WHERE course_code="'.Database::escape_string($course_code).'" AND status="1"'.$cond;
  225. Database::query($sql);
  226. if (count($teachers)>0) {
  227. foreach ($teachers as $key) {
  228. //We check if the teacher is already subscribed in this course
  229. $sql_select_teacher = 'SELECT 1 FROM '.$course_user_table.' WHERE user_id = "'.$key.'" AND course_code = "'.$course_code.'" ';
  230. $result = Database::query($sql_select_teacher);
  231. if (Database::num_rows($result) == 1) {
  232. $sql = 'UPDATE '.$course_user_table.' SET status = "1" WHERE course_code = "'.$course_code.'" AND user_id = "'.$key.'" ';
  233. } else {
  234. $sql = "INSERT INTO ".$course_user_table . " SET
  235. course_code = '".Database::escape_string($course_code). "',
  236. user_id = '".$key . "',
  237. status = '1',
  238. role = '',
  239. tutor_id='0',
  240. sort='0',
  241. user_course_cat='0'";
  242. }
  243. Database::query($sql);
  244. }
  245. }
  246. $sql = "INSERT IGNORE INTO ".$course_user_table . " SET
  247. course_code = '".Database::escape_string($course_code). "',
  248. user_id = '".$tutor_id . "',
  249. status = '1',
  250. role = '',
  251. tutor_id='0',
  252. sort='0',
  253. user_course_cat='0'";
  254. Database::query($sql);
  255. $forum_config_table = Database::get_course_table(TOOL_FORUM_CONFIG_TABLE,$course_db_name);
  256. $sql = "UPDATE ".$forum_config_table." SET default_lang='".Database::escape_string($course_language)."'";
  257. if ($visual_code_is_used) {
  258. header('Location: course_list.php?action=show_msg&warn='.urlencode($warn));
  259. } else {
  260. header('Location: course_list.php');
  261. }
  262. exit ();
  263. }
  264. Display::display_header($tool_name);
  265. echo "<script>
  266. function moveItem(origin , destination){
  267. for (var i = 0 ; i<origin.options.length ; i++) {
  268. if (origin.options[i].selected) {
  269. destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
  270. origin.options[i]=null;
  271. i = i-1;
  272. }
  273. }
  274. destination.selectedIndex = -1;
  275. sortOptions(destination.options);
  276. }
  277. function sortOptions(options) {
  278. newOptions = new Array();
  279. for (i = 0 ; i<options.length ; i++) {
  280. newOptions[i] = options[i];
  281. }
  282. newOptions = newOptions.sort(mysort);
  283. options.length = 0;
  284. for (i = 0 ; i < newOptions.length ; i++) {
  285. options[i] = newOptions[i];
  286. }
  287. }
  288. function mysort(a, b) {
  289. if (a.text.toLowerCase() > b.text.toLowerCase()) {
  290. return 1;
  291. }
  292. if (a.text.toLowerCase() < b.text.toLowerCase()) {
  293. return -1;
  294. }
  295. return 0;
  296. }
  297. function valide() {
  298. var options = document.getElementById('course_teachers').options;
  299. for (i = 0 ; i<options.length ; i++) {
  300. options[i].selected = true;
  301. }
  302. document.update_course.submit();
  303. }
  304. </script>";
  305. //api_display_tool_title($tool_name);
  306. // Display the form
  307. $form->display();
  308. /* FOOTER */
  309. Display :: display_footer();