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