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