course_category.php 12 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * @package chamilo.admin
  5. * @todo use formvalidator for the form
  6. */
  7. /**
  8. * Code
  9. */
  10. // name of the language file that needs to be included
  11. $language_file='admin';
  12. $cidReset=true;
  13. require_once '../inc/global.inc.php';
  14. $this_section=SECTION_PLATFORM_ADMIN;
  15. api_protect_admin_script();
  16. $category = $_GET['category'];
  17. $category = Database::escape_string($category);
  18. $action = $_GET['action'];
  19. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  20. $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY);
  21. $errorMsg='';
  22. if(!empty($action)) {
  23. if($action == 'delete')
  24. {
  25. deleteNode($_GET['id']);
  26. header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
  27. exit();
  28. }
  29. elseif(($action == 'add' || $action == 'edit') && $_POST['formSent'])
  30. {
  31. $_POST['categoryCode']=trim($_POST['categoryCode']);
  32. $_POST['categoryName']=trim($_POST['categoryName']);
  33. if(!empty($_POST['categoryCode']) && !empty($_POST['categoryName']))
  34. {
  35. if($action == 'add')
  36. {
  37. $ret=addNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$category);
  38. }
  39. else
  40. {
  41. $ret=editNode($_POST['categoryCode'],$_POST['categoryName'],$_POST['canHaveCourses'],$_GET['id']);
  42. }
  43. if($ret)
  44. {
  45. $action='';
  46. }
  47. else
  48. {
  49. $errorMsg=get_lang('CatCodeAlreadyUsed');
  50. }
  51. }
  52. else
  53. {
  54. $errorMsg=get_lang('PleaseEnterCategoryInfo');
  55. }
  56. }
  57. elseif($action == 'edit')
  58. {
  59. $categoryCode=Database::escape_string($_GET['id']);
  60. $result=Database::query("SELECT name,auth_course_child FROM $tbl_category WHERE code='$categoryCode'");
  61. list($categoryName,$canHaveCourses)=Database::fetch_row($result);
  62. $canHaveCourses=($canHaveCourses == 'FALSE')?0:1;
  63. }
  64. elseif($action == 'moveUp')
  65. {
  66. moveNodeUp($_GET['id'],$_GET['tree_pos'],$category);
  67. header('Location: '.api_get_self().'?category='.Security::remove_XSS($category));
  68. exit();
  69. }
  70. }
  71. $tool_name=get_lang('AdminCategories');
  72. $interbreadcrumb[]=array('url' => 'index.php',"name" => get_lang('PlatformAdmin'));
  73. //$interbreadcrumb[]=array('url' => 'configure_homepage.php',"name" => get_lang('ConfigureHomePage'));
  74. Display::display_header($tool_name);
  75. if(!empty($category)) {
  76. $myquery = "SELECT * FROM $tbl_category WHERE code ='$category'";
  77. $result = Database::query($myquery);
  78. if(Database::num_rows($result)==0) {
  79. $category = '';
  80. }
  81. }
  82. if(empty($action)) {
  83. $myquery = "SELECT t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count,COUNT(DISTINCT t3.code) AS nbr_courses
  84. FROM $tbl_category t1 LEFT JOIN $tbl_category t2 ON t1.code=t2.parent_id LEFT JOIN $tbl_course t3 ON t3.category_code=t1.code
  85. WHERE t1.parent_id ".(empty($category)?"IS NULL":"='$category'")."
  86. GROUP BY t1.name,t1.code,t1.parent_id,t1.tree_pos,t1.children_count ORDER BY t1.tree_pos";
  87. $result = Database::query($myquery);
  88. $Categories=Database::store_result($result);
  89. }
  90. if($action == 'add' || $action == 'edit') {
  91. ?>
  92. <div class="actions">
  93. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>"><?php echo Display::return_icon('folder_up.png',get_lang("Back"),'','32'); if(!empty($category)) echo ' ('.Security::remove_XSS($category).')'; ?></a>
  94. </div>
  95. <?php
  96. $form_title = ($action == 'add')?get_lang('AddACategory'):get_lang('EditNode');
  97. if(!empty($category)) {
  98. $form_title .= ' '.get_lang('Into').' '.Security::remove_XSS($category);
  99. }
  100. $form = new FormValidator('course_category');
  101. $form->addElement('header', '', $form_title);
  102. $form->display();
  103. ?>
  104. <form method="post" action="<?php echo api_get_self(); ?>?action=<?php echo Security::remove_XSS($action); ?>&category=<?php echo Security::remove_XSS($category); ?>&amp;id=<?php echo Security::remove_XSS($_GET['id']); ?>">
  105. <input type="hidden" name="formSent" value="1" />
  106. <table border="0" cellpadding="5" cellspacing="0">
  107. <?php
  108. if(!empty($errorMsg)) {
  109. ?>
  110. <tr>
  111. <td colspan="2">
  112. <?php
  113. Display::display_normal_message($errorMsg); //main API
  114. ?>
  115. </td>
  116. </tr>
  117. <?php
  118. }
  119. ?>
  120. <tr>
  121. <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
  122. <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo api_htmlentities(stripslashes($categoryCode),ENT_QUOTES,$charset); ?>" /></td>
  123. </tr>
  124. <tr>
  125. <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
  126. <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo api_htmlentities(stripslashes($categoryName),ENT_QUOTES,$charset); ?>" /></td>
  127. </tr>
  128. <tr>
  129. <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
  130. <td>
  131. <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if(($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
  132. <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if(($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
  133. </td>
  134. </tr>
  135. <tr>
  136. <td>&nbsp;</td>
  137. <?php
  138. if(isset($_GET['id']) && !empty($_GET['id'])) {
  139. $class="save";
  140. $text=get_lang('CategoryMod');
  141. } else {
  142. $class="add";
  143. $text=get_lang('AddCategory');
  144. }
  145. ?>
  146. <td><button type="submit" class="<?php echo $class; ?>" value="<?php echo $text; ?>" ><?php echo $text; ?></button></td>
  147. </tr>
  148. </table>
  149. </form>
  150. <?php
  151. } else {
  152. ?>
  153. <div class="actions">
  154. <?php
  155. if(!empty($category) && empty($action)) {
  156. $myquery = "SELECT parent_id FROM $tbl_category WHERE code='$category'";
  157. $result=Database::query($myquery);
  158. $parent_id = 0;
  159. if(Database::num_rows($result)>0){
  160. $parent_id=Database::fetch_array($result);
  161. }
  162. $parent_id['parent_id']?$link=' ('.$parent_id['parent_id'].')':$link='';
  163. ?>
  164. <a href="<?php echo api_get_self(); ?>?category=<?php echo $parent_id['parent_id']; ?>"><?php echo Display::return_icon('folder_up.png',get_lang("Back"),'','32'); if(!empty($parent_id)) echo $link ?></a>
  165. <?php
  166. }
  167. ?>
  168. <?php
  169. if(!empty($category)){
  170. $CategoryInto=' '.get_lang('Into').' '.Security::remove_XSS($category);
  171. }
  172. else{
  173. $CategoryInto='';
  174. }
  175. ?>
  176. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=add"><?php echo Display::return_icon('new_folder.png',get_lang("AddACategory").$CategoryInto,'','32'); ?></a>
  177. </div>
  178. <ul>
  179. <?php
  180. if(count($Categories)>0)
  181. {
  182. foreach($Categories as $enreg)
  183. {
  184. ?>
  185. <li>
  186. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('folder_document.gif', get_lang('OpenNode')); ?></a>
  187. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=edit&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('edit.gif', get_lang('EditNode')); ?></a>
  188. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=delete&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)); ?>')) return false;"><?php Display::display_icon('delete.gif', get_lang('DeleteNode'));?></a>
  189. <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=moveUp&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>&amp;tree_pos=<?php echo $enreg['tree_pos']; ?>"><?php Display::display_icon('up.gif', get_lang('UpInSameLevel'));?></a>
  190. <?php echo $enreg['name']; ?>
  191. (<?php echo $enreg['children_count']; ?> <?php echo get_lang('CategoriesNumber'); ?> - <?php echo $enreg['nbr_courses']; ?> <?php echo get_lang('Courses'); ?>)
  192. </li>
  193. <?php
  194. }
  195. unset($Categories);
  196. }
  197. else
  198. {
  199. echo get_lang("NoCategories");
  200. }
  201. ?>
  202. </ul>
  203. <?php
  204. }
  205. Display::display_footer();
  206. /******** Functions ********/
  207. function deleteNode($node)
  208. {
  209. global $tbl_category, $tbl_course;
  210. $node = Database::escape_string($node);
  211. $result=Database::query("SELECT parent_id,tree_pos FROM $tbl_category WHERE code='$node'");
  212. if($row=Database::fetch_array($result))
  213. {
  214. if(!empty($row['parent_id']))
  215. {
  216. Database::query("UPDATE $tbl_course SET category_code='".$row['parent_id']."' WHERE category_code='$node'");
  217. Database::query("UPDATE $tbl_category SET parent_id='".$row['parent_id']."' WHERE parent_id='$node'");
  218. }
  219. else
  220. {
  221. Database::query("UPDATE $tbl_course SET category_code='' WHERE category_code='$node'");
  222. Database::query("UPDATE $tbl_category SET parent_id=NULL WHERE parent_id='$node'");
  223. }
  224. Database::query("UPDATE $tbl_category SET tree_pos=tree_pos-1 WHERE tree_pos > '".$row['tree_pos']."'");
  225. Database::query("DELETE FROM $tbl_category WHERE code='$node'");
  226. if(!empty($row['parent_id']))
  227. {
  228. updateFils($row['parent_id']);
  229. }
  230. }
  231. }
  232. function addNode($code,$name,$canHaveCourses,$parent_id)
  233. {
  234. global $tbl_category;
  235. $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
  236. $code = Database::escape_string($code);
  237. $name = Database::escape_string($name);
  238. $parent_id = Database::escape_string($parent_id);
  239. $result=Database::query("SELECT 1 FROM $tbl_category WHERE code='$code'");
  240. if (Database::num_rows($result)) {
  241. return false;
  242. }
  243. $result=Database::query("SELECT MAX(tree_pos) AS maxTreePos FROM $tbl_category");
  244. $row=Database::fetch_array($result);
  245. $tree_pos=$row['maxTreePos']+1;
  246. $code = generate_course_code($code);
  247. Database::query("INSERT INTO $tbl_category(name,code,parent_id,tree_pos,children_count,auth_course_child) VALUES('$name','$code',".(empty($parent_id)?"NULL":"'$parent_id'").",'$tree_pos','0','$canHaveCourses')");
  248. updateFils($parent_id);
  249. return true;
  250. }
  251. function editNode($code,$name,$canHaveCourses,$old_code)
  252. {
  253. global $tbl_category, $tbl_course;
  254. $canHaveCourses=$canHaveCourses?'TRUE':'FALSE';
  255. $code = Database::escape_string($code);
  256. $name = Database::escape_string($name);
  257. $old_code = Database::escape_string($old_code);
  258. if($code != $old_code) {
  259. $result=Database::query("SELECT 1 FROM $tbl_category WHERE code='$code'");
  260. if(Database::num_rows($result)) {
  261. return false;
  262. }
  263. }
  264. $code = generate_course_code($code);
  265. Database::query("UPDATE $tbl_category SET name='$name', code='$code',auth_course_child='$canHaveCourses' WHERE code='$old_code'");
  266. $sql = "UPDATE $tbl_course SET category_code = '$code' WHERE category_code = '$old_code' ";
  267. Database::query($sql);
  268. return true;
  269. }
  270. function moveNodeUp($code,$tree_pos,$parent_id)
  271. {
  272. global $tbl_category;
  273. $code = Database::escape_string($code);
  274. $tree_pos = Database::escape_string($tree_pos);
  275. $parent_id = Database::escape_string($parent_id);
  276. $result=Database::query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos<'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1");
  277. if(!$row=Database::fetch_array($result))
  278. {
  279. $result=Database::query("SELECT code,tree_pos FROM $tbl_category WHERE parent_id ".(empty($parent_id)?"IS NULL":"='$parent_id'")." AND tree_pos>'$tree_pos' ORDER BY tree_pos DESC LIMIT 0,1");
  280. if(!$row=Database::fetch_array($result))
  281. {
  282. return false;
  283. }
  284. }
  285. Database::query("UPDATE $tbl_category SET tree_pos='".$row['tree_pos']."' WHERE code='$code'");
  286. Database::query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'");
  287. }
  288. function updateFils($category)
  289. {
  290. global $tbl_category;
  291. $category = Database::escape_string($category);
  292. $result=Database::query("SELECT parent_id FROM $tbl_category WHERE code='$category'");
  293. if($row=Database::fetch_array($result))
  294. {
  295. updateFils($row['parent_id']);
  296. }
  297. $children_count=compterFils($category,0)-1;
  298. Database::query("UPDATE $tbl_category SET children_count='$children_count' WHERE code='$category'");
  299. }
  300. function compterFils($pere,$cpt)
  301. {
  302. global $tbl_category;
  303. $pere = Database::escape_string($pere);
  304. $result=Database::query("SELECT code FROM $tbl_category WHERE parent_id='$pere'");
  305. while($row=Database::fetch_array($result))
  306. {
  307. $cpt=compterFils($row['code'],$cpt);
  308. }
  309. return ($cpt+1);
  310. }