chamilo /
chamilo-lms
| Total Complexity | 169 |
| Total Lines | 1900 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Link often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Link, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 23 | class Link extends Model |
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| 24 | { |
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| 25 | public $table; |
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| 26 | public $is_course_model = true; |
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| 27 | public $columns = [ |
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| 28 | 'id', |
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| 29 | 'c_id', |
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| 30 | 'url', |
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| 31 | 'title', |
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| 32 | 'description', |
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| 33 | 'category_id', |
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| 34 | 'display_order', |
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| 35 | 'on_homepage', |
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| 36 | 'target', |
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| 37 | 'session_id', |
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| 38 | ]; |
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| 39 | public $required = ['url', 'title']; |
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| 40 | private $course; |
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| 41 | |||
| 42 | /** |
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| 43 | * Link constructor. |
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| 44 | */ |
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| 45 | public function __construct() |
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| 48 | } |
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| 49 | |||
| 50 | /** |
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| 51 | * @param array $course |
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| 52 | */ |
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| 53 | public function setCourse($course) |
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| 56 | } |
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| 57 | |||
| 58 | /** |
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| 59 | * @return array |
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| 60 | */ |
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| 61 | public function getCourse() |
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| 64 | } |
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| 65 | |||
| 66 | /** |
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| 67 | * Organize the saving of a link, using the parent's save method and |
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| 68 | * updating the item_property table. |
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| 69 | * |
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| 70 | * @param array $params |
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| 71 | * @param bool $show_query Whether to show the query in logs when |
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| 72 | * calling parent's save method |
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| 73 | * |
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| 74 | * @return bool True if link could be saved, false otherwise |
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| 75 | */ |
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| 76 | public function save($params, $show_query = null) |
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| 77 | { |
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| 78 | $course_info = $this->getCourse(); |
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| 79 | $courseId = $course_info['real_id']; |
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| 80 | |||
| 81 | $params['session_id'] = api_get_session_id(); |
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| 82 | $params['category_id'] = isset($params['category_id']) ? $params['category_id'] : 0; |
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| 83 | |||
| 84 | $sql = "SELECT MAX(display_order) |
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| 85 | FROM ".$this->table." |
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| 86 | WHERE |
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| 87 | c_id = $courseId AND |
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| 88 | category_id = '".intval($params['category_id'])."'"; |
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| 89 | $result = Database::query($sql); |
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| 90 | list($orderMax) = Database::fetch_row($result); |
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| 91 | $order = $orderMax + 1; |
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| 92 | $params['display_order'] = $order; |
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| 93 | |||
| 94 | $id = parent::save($params, $show_query); |
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| 95 | |||
| 96 | if (!empty($id)) { |
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| 97 | // iid |
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| 98 | $sql = "UPDATE ".$this->table." SET id = iid WHERE iid = $id"; |
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| 99 | Database::query($sql); |
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| 100 | |||
| 101 | api_item_property_update( |
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| 102 | $course_info, |
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| 103 | TOOL_LINK, |
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| 104 | $id, |
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| 105 | 'LinkAdded', |
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| 106 | api_get_user_id() |
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| 107 | ); |
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| 108 | |||
| 109 | api_set_default_visibility($id, TOOL_LINK, 0, $course_info); |
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| 110 | } |
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| 111 | |||
| 112 | return $id; |
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|
Bug
Best Practice
introduced
by
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| 113 | } |
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| 114 | |||
| 115 | /** |
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| 116 | * Update a link in the database. |
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| 117 | * |
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| 118 | * @param int $linkId The ID of the link to update |
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| 119 | * @param string $linkUrl The new URL to be saved |
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| 120 | * @param int $courseId |
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| 121 | * @param int $sessionId |
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| 122 | * |
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| 123 | * @return bool |
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| 124 | */ |
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| 125 | public function updateLink( |
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| 152 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * Used to add a link or a category. |
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| 156 | * |
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| 157 | * @param string $type , "link" or "category" |
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| 158 | * |
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| 159 | * @todo replace strings by constants |
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| 160 | * |
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| 161 | * @author Patrick Cool <[email protected]>, Ghent University |
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| 162 | * |
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| 163 | * @return bool True on success, false on failure |
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| 164 | */ |
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| 165 | public static function addlinkcategory($type) |
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| 382 | } |
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| 383 | |||
| 384 | /** |
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| 385 | * Used to delete a link or a category. |
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| 386 | */ |
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| 387 | public static function deletelinkcategory(int $id, string $type, $courseId = null, bool $removeContentFromDb = false): bool |
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| 388 | { |
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| 389 | $courseInfo = api_get_course_info_by_id($courseId); |
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| 390 | $tblLink = Database::get_course_table(TABLE_LINK); |
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| 391 | $tblCategories = Database::get_course_table(TABLE_LINK_CATEGORY); |
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| 392 | $tblItemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY); |
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| 393 | $courseIdReal = $courseInfo['real_id']; |
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| 394 | |||
| 395 | if (empty($id)) { |
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| 396 | return false; |
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| 397 | } |
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| 398 | |||
| 399 | $result = false; |
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| 400 | switch ($type) { |
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| 401 | case 'link': |
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| 402 | if ($removeContentFromDb) { |
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| 403 | // Hard delete: Remove from both c_link and item_property |
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| 404 | $sql = "DELETE FROM $tblItemProperty |
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| 405 | WHERE c_id = $courseIdReal AND ref = $id AND tool = '".TOOL_LINK."'"; |
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| 406 | Database::query($sql); |
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| 407 | |||
| 408 | $sql = "DELETE FROM $tblLink |
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| 409 | WHERE c_id = $courseIdReal AND id = $id"; |
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| 410 | Database::query($sql); |
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| 411 | |||
| 412 | self::delete_link_from_search_engine(api_get_course_id(), $id); |
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| 413 | Skill::deleteSkillsFromItem($id, ITEM_TYPE_LINK); |
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| 414 | $result = true; |
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| 415 | } else { |
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| 416 | // Soft delete: Update visibility in item_property |
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| 417 | $sql = "UPDATE $tblLink SET on_homepage='0' |
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| 418 | WHERE c_id = $courseIdReal AND id='$id'"; |
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| 419 | Database::query($sql); |
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| 420 | |||
| 421 | api_item_property_update( |
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| 422 | $courseInfo, |
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| 423 | TOOL_LINK, |
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| 424 | $id, |
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| 425 | 'delete', |
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| 426 | api_get_user_id() |
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| 427 | ); |
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| 428 | self::delete_link_from_search_engine(api_get_course_id(), $id); |
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| 429 | Skill::deleteSkillsFromItem($id, ITEM_TYPE_LINK); |
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| 430 | Display::addFlash(Display::return_message(get_lang('LinkDeleted'))); |
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| 431 | $result = true; |
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| 432 | } |
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| 433 | break; |
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| 434 | case 'category': |
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| 435 | if ($removeContentFromDb) { |
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| 436 | // Hard delete: Remove category and its links |
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| 437 | $sql = "DELETE FROM $tblCategories |
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| 438 | WHERE c_id = $courseIdReal AND id = $id"; |
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| 439 | Database::query($sql); |
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| 440 | |||
| 441 | $sql = "DELETE FROM $tblLink |
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| 442 | WHERE c_id = $courseIdReal AND category_id = $id"; |
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| 443 | Database::query($sql); |
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| 444 | |||
| 445 | $sql = "DELETE FROM $tblItemProperty |
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| 446 | WHERE c_id = $courseIdReal AND ref = $id AND tool = '".TOOL_LINK_CATEGORY."'"; |
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| 447 | Database::query($sql); |
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| 448 | $result = true; |
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| 449 | } else { |
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| 450 | // Soft delete: Update visibility in item_property |
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| 451 | $sql = "DELETE FROM $tblCategories |
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| 452 | WHERE c_id = $courseIdReal AND id = $id"; |
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| 453 | Database::query($sql); |
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| 454 | |||
| 455 | $sql = "DELETE FROM $tblLink |
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| 456 | WHERE c_id = $courseIdReal AND category_id = $id"; |
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| 457 | Database::query($sql); |
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| 458 | |||
| 459 | api_item_property_update( |
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| 460 | $courseInfo, |
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| 461 | TOOL_LINK_CATEGORY, |
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| 462 | $id, |
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| 463 | 'delete', |
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| 464 | api_get_user_id() |
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| 465 | ); |
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| 466 | |||
| 467 | Display::addFlash(Display::return_message(get_lang('CategoryDeleted'))); |
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| 468 | $result = true; |
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| 469 | } |
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| 470 | break; |
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| 471 | } |
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| 472 | |||
| 473 | return $result; |
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| 474 | } |
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| 475 | |||
| 476 | /** |
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| 477 | * Removes a link from search engine database. |
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| 478 | * |
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| 479 | * @param string $course_id Course code |
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| 480 | * @param int $link_id Document id to delete |
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| 481 | */ |
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| 482 | public static function delete_link_from_search_engine($course_id, $link_id) |
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| 483 | { |
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| 484 | // Remove from search engine if enabled. |
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| 485 | if (api_get_setting('search_enabled') === 'true') { |
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| 486 | $tbl_se_ref = Database::get_main_table( |
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| 487 | TABLE_MAIN_SEARCH_ENGINE_REF |
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| 488 | ); |
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| 489 | $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1'; |
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| 490 | $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_LINK, $link_id); |
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| 491 | $res = Database::query($sql); |
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| 492 | if (Database::num_rows($res) > 0) { |
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| 493 | $row = Database::fetch_array($res); |
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| 494 | $di = new ChamiloIndexer(); |
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| 495 | $di->remove_document($row['search_did']); |
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| 496 | } |
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| 497 | $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1'; |
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| 498 | $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_LINK, $link_id); |
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| 499 | Database::query($sql); |
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| 500 | |||
| 501 | // Remove terms from db. |
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| 502 | require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php'; |
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| 503 | delete_all_values_for_item($course_id, TOOL_DOCUMENT, $link_id); |
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| 504 | } |
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| 505 | } |
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| 506 | |||
| 507 | /** |
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| 508 | * Get link info. |
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| 509 | * |
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| 510 | * @param int $id |
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| 511 | * |
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| 512 | * @return array link info |
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| 513 | */ |
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| 514 | public static function getLinkInfo($id) |
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| 515 | { |
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| 516 | $tbl_link = Database::get_course_table(TABLE_LINK); |
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| 517 | $course_id = api_get_course_int_id(); |
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| 518 | |||
| 519 | if (empty($id) || empty($course_id)) { |
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| 520 | return []; |
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| 521 | } |
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| 522 | |||
| 523 | $sql = "SELECT * FROM $tbl_link |
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| 524 | WHERE c_id = $course_id AND id='".(int) $id."' "; |
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| 525 | $result = Database::query($sql); |
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| 526 | $data = []; |
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| 527 | if (Database::num_rows($result)) { |
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| 528 | $data = Database::fetch_array($result); |
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| 529 | } |
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| 530 | |||
| 531 | return $data; |
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| 532 | } |
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| 533 | |||
| 534 | /** |
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| 535 | * @param int $id |
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| 536 | * @param array $values |
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| 537 | */ |
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| 538 | public static function editLink($id, $values = []) |
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| 539 | { |
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| 540 | $tbl_link = Database::get_course_table(TABLE_LINK); |
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| 541 | $_course = api_get_course_info(); |
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| 542 | $course_id = $_course['real_id']; |
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| 543 | $id = (int) $id; |
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| 544 | |||
| 545 | $values['url'] = trim($values['url']); |
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| 546 | $values['title'] = trim($values['title']); |
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| 547 | $values['description'] = trim($values['description']); |
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| 548 | $values['target'] = empty($values['target']) ? '_self' : $values['target']; |
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| 549 | $values['on_homepage'] = isset($values['on_homepage']) ? $values['on_homepage'] : ''; |
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| 550 | |||
| 551 | $categoryId = intval($values['category_id']); |
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| 552 | |||
| 553 | // We ensure URL to be absolute. |
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| 554 | if (strpos($values['url'], '://') === false) { |
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| 555 | $values['url'] = 'http://'.$_POST['url']; |
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| 556 | } |
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| 557 | |||
| 558 | // If the title is empty, we use the URL as title. |
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| 559 | if ($values['title'] == '') { |
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| 560 | $values['title'] = $values['url']; |
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| 561 | } |
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| 562 | |||
| 563 | // If the URL is invalid, an error occurs. |
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| 564 | if (!api_valid_url($values['url'], true)) { |
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| 565 | Display::addFlash( |
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| 566 | Display::return_message(get_lang('GiveURL'), 'error') |
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| 567 | ); |
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| 568 | |||
| 569 | return false; |
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| 570 | } |
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| 571 | |||
| 572 | if (empty($id) || empty($course_id)) { |
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| 573 | return false; |
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| 574 | } |
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| 575 | |||
| 576 | // Finding the old category_id. |
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| 577 | $sql = "SELECT * FROM $tbl_link |
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| 578 | WHERE c_id = $course_id AND id='".$id."'"; |
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| 579 | $result = Database::query($sql); |
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| 580 | $row = Database::fetch_array($result); |
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| 581 | $category_id = $row['category_id']; |
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| 582 | |||
| 583 | if ($category_id != $values['category_id']) { |
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| 584 | $sql = "SELECT MAX(display_order) |
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| 585 | FROM $tbl_link |
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| 586 | WHERE |
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| 587 | c_id = $course_id AND |
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| 588 | category_id='".intval($values['category_id'])."'"; |
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| 589 | $result = Database::query($sql); |
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| 590 | list($max_display_order) = Database::fetch_row($result); |
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| 591 | $max_display_order++; |
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| 592 | } else { |
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| 593 | $max_display_order = $row['display_order']; |
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| 594 | } |
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| 595 | $params = [ |
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| 596 | 'url' => $values['url'], |
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| 597 | 'title' => $values['title'], |
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| 598 | 'description' => $values['description'], |
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| 599 | 'category_id' => $values['category_id'], |
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| 600 | 'display_order' => $max_display_order, |
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| 601 | 'on_homepage' => $values['on_homepage'], |
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| 602 | 'target' => $values['target'], |
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| 603 | ]; |
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| 604 | |||
| 605 | Database::update( |
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| 606 | $tbl_link, |
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| 607 | $params, |
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| 608 | ['c_id = ? AND id = ?' => [$course_id, $id]] |
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| 609 | ); |
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| 610 | |||
| 611 | // Update search enchine and its values table if enabled. |
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| 612 | if (api_get_setting('search_enabled') === 'true') { |
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| 613 | $course_int_id = api_get_course_int_id(); |
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| 614 | $course_id = api_get_course_id(); |
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| 615 | $link_title = Database::escape_string($values['title']); |
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| 616 | $link_description = Database::escape_string($values['description']); |
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| 617 | |||
| 618 | // Actually, it consists on delete terms from db, |
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| 619 | // insert new ones, create a new search engine document, and remove the old one. |
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| 620 | // Get search_did. |
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| 621 | $tbl_se_ref = Database::get_main_table( |
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| 622 | TABLE_MAIN_SEARCH_ENGINE_REF |
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| 623 | ); |
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| 624 | $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1'; |
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| 625 | $sql = sprintf( |
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| 626 | $sql, |
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| 627 | $tbl_se_ref, |
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| 628 | $course_id, |
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| 629 | TOOL_LINK, |
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| 630 | $id |
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| 631 | ); |
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| 632 | $res = Database::query($sql); |
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| 633 | |||
| 634 | if (Database::num_rows($res) > 0) { |
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| 635 | require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php'; |
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| 636 | |||
| 637 | $se_ref = Database::fetch_array($res); |
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| 638 | $specific_fields = get_specific_field_list(); |
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| 639 | $ic_slide = new IndexableChunk(); |
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| 640 | |||
| 641 | $all_specific_terms = ''; |
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| 642 | foreach ($specific_fields as $specific_field) { |
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| 643 | delete_all_specific_field_value( |
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| 644 | $course_id, |
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| 645 | $specific_field['id'], |
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| 646 | TOOL_LINK, |
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| 647 | $id |
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| 648 | ); |
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| 649 | if (isset($_REQUEST[$specific_field['code']])) { |
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| 650 | $sterms = trim( |
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| 651 | $_REQUEST[$specific_field['code']] |
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| 652 | ); |
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| 653 | if (!empty($sterms)) { |
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| 654 | $all_specific_terms .= ' '.$sterms; |
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| 655 | $sterms = explode(',', $sterms); |
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| 656 | foreach ($sterms as $sterm) { |
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| 657 | $ic_slide->addTerm( |
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| 658 | trim($sterm), |
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| 659 | $specific_field['code'] |
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| 660 | ); |
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| 661 | add_specific_field_value( |
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| 662 | $specific_field['id'], |
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| 663 | $course_id, |
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| 664 | TOOL_LINK, |
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| 665 | $id, |
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| 666 | $sterm |
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| 667 | ); |
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| 668 | } |
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| 669 | } |
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| 670 | } |
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| 671 | } |
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| 672 | |||
| 673 | // Build the chunk to index. |
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| 674 | $ic_slide->addValue("title", $link_title); |
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| 675 | $ic_slide->addCourseId($course_id); |
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| 676 | $ic_slide->addToolId(TOOL_LINK); |
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| 677 | $xapian_data = [ |
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| 678 | SE_COURSE_ID => $course_id, |
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| 679 | SE_TOOL_ID => TOOL_LINK, |
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| 680 | SE_DATA => [ |
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| 681 | 'link_id' => (int) $id, |
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| 682 | ], |
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| 683 | SE_USER => (int) api_get_user_id(), |
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| 684 | ]; |
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| 685 | $ic_slide->xapian_data = serialize($xapian_data); |
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| 686 | $link_description = $all_specific_terms.' '.$link_description; |
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| 687 | $ic_slide->addValue('content', $link_description); |
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| 688 | |||
| 689 | // Add category name if set. |
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| 690 | if (isset($categoryId) && $categoryId > 0) { |
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| 691 | $table_link_category = Database::get_course_table( |
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| 692 | TABLE_LINK_CATEGORY |
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| 693 | ); |
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| 694 | $sql_cat = 'SELECT * FROM %s WHERE id=%d and c_id = %d LIMIT 1'; |
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| 695 | $sql_cat = sprintf( |
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| 696 | $sql_cat, |
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| 697 | $table_link_category, |
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| 698 | $categoryId, |
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| 699 | $course_int_id |
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| 700 | ); |
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| 701 | $result = Database::query($sql_cat); |
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| 702 | if (Database::num_rows($result) == 1) { |
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| 703 | $row = Database::fetch_array($result); |
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| 704 | $ic_slide->addValue( |
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| 705 | 'category', |
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| 706 | $row['category_title'] |
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| 707 | ); |
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| 708 | } |
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| 709 | } |
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| 710 | |||
| 711 | $di = new ChamiloIndexer(); |
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| 712 | isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english'; |
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| 713 | $di->connectDb(null, null, $lang); |
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| 714 | $di->remove_document($se_ref['search_did']); |
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| 715 | $di->addChunk($ic_slide); |
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| 716 | |||
| 717 | // Index and return search engine document id. |
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| 718 | $did = $di->index(); |
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| 719 | if ($did) { |
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| 720 | // Save it to db. |
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| 721 | $sql = 'DELETE FROM %s |
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| 722 | WHERE course_code=\'%s\' |
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| 723 | AND tool_id=\'%s\' |
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| 724 | AND ref_id_high_level=\'%s\''; |
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| 725 | $sql = sprintf( |
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| 726 | $sql, |
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| 727 | $tbl_se_ref, |
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| 728 | $course_id, |
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| 729 | TOOL_LINK, |
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| 730 | $id |
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| 731 | ); |
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| 732 | Database::query($sql); |
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| 733 | $sql = 'INSERT INTO %s (c_id, id, course_code, tool_id, ref_id_high_level, search_did) |
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| 734 | VALUES (NULL , \'%s\', \'%s\', %s, %s)'; |
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| 735 | $sql = sprintf( |
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| 736 | $sql, |
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| 737 | $tbl_se_ref, |
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| 738 | $course_int_id, |
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| 739 | $course_id, |
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| 740 | TOOL_LINK, |
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| 741 | $id, |
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| 742 | $did |
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| 743 | ); |
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| 744 | Database::query($sql); |
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| 745 | } |
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| 746 | } |
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| 747 | } |
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| 748 | |||
| 749 | // "WHAT'S NEW" notification: update table last_toolEdit. |
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| 750 | api_item_property_update( |
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| 751 | $_course, |
||
| 752 | TOOL_LINK, |
||
| 753 | $id, |
||
| 754 | 'LinkUpdated', |
||
| 755 | api_get_user_id() |
||
| 756 | ); |
||
| 757 | Display::addFlash(Display::return_message(get_lang('LinkModded'))); |
||
| 758 | } |
||
| 759 | |||
| 760 | /** |
||
| 761 | * @param int $id |
||
| 762 | * @param array $values |
||
| 763 | * |
||
| 764 | * @return bool |
||
| 765 | */ |
||
| 766 | public static function editCategory($id, $values) |
||
| 767 | { |
||
| 768 | $table = Database::get_course_table(TABLE_LINK_CATEGORY); |
||
| 769 | $course_id = api_get_course_int_id(); |
||
| 770 | $id = intval($id); |
||
| 771 | |||
| 772 | // This is used to put the modified info of the category-form into the database. |
||
| 773 | $params = [ |
||
| 774 | 'category_title' => $values['category_title'], |
||
| 775 | 'description' => $values['description'], |
||
| 776 | ]; |
||
| 777 | Database::update( |
||
| 778 | $table, |
||
| 779 | $params, |
||
| 780 | ['c_id = ? AND id = ?' => [$course_id, $id]] |
||
| 781 | ); |
||
| 782 | Display::addFlash(Display::return_message(get_lang('CategoryModded'))); |
||
| 783 | |||
| 784 | return true; |
||
| 785 | } |
||
| 786 | |||
| 787 | /** |
||
| 788 | * Changes the visibility of a link. |
||
| 789 | * |
||
| 790 | * @todo add the changing of the visibility of a course |
||
| 791 | * |
||
| 792 | * @author Patrick Cool <[email protected]>, Ghent University |
||
| 793 | */ |
||
| 794 | public static function change_visibility_link($id, $scope) |
||
| 816 | } |
||
| 817 | } |
||
| 818 | |||
| 819 | /** |
||
| 820 | * Generate SQL to select all the links categories in the current course and |
||
| 821 | * session. |
||
| 822 | * |
||
| 823 | * @param int $courseId |
||
| 824 | * @param int $sessionId |
||
| 825 | * @param bool $withBaseContent |
||
| 826 | * |
||
| 827 | * @return array |
||
| 828 | */ |
||
| 829 | public static function getLinkCategories($courseId, $sessionId, $withBaseContent = true) |
||
| 830 | { |
||
| 831 | $tblLinkCategory = Database::get_course_table(TABLE_LINK_CATEGORY); |
||
| 832 | $tblItemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY); |
||
| 833 | $courseId = intval($courseId); |
||
| 834 | $courseInfo = api_get_course_info_by_id($courseId); |
||
| 835 | |||
| 836 | // Condition for the session. |
||
| 837 | $sessionCondition = api_get_session_condition( |
||
| 838 | $sessionId, |
||
| 839 | true, |
||
| 840 | $withBaseContent, |
||
| 841 | 'linkcat.session_id' |
||
| 842 | ); |
||
| 843 | |||
| 844 | // Getting links |
||
| 845 | $sql = "SELECT *, linkcat.id |
||
| 846 | FROM $tblLinkCategory linkcat |
||
| 847 | WHERE |
||
| 848 | linkcat.c_id = $courseId |
||
| 849 | $sessionCondition |
||
| 850 | ORDER BY linkcat.display_order DESC"; |
||
| 851 | |||
| 852 | $result = Database::query($sql); |
||
| 853 | $categories = Database::store_result($result); |
||
| 854 | |||
| 855 | $sql = "SELECT *, linkcat.id |
||
| 856 | FROM $tblLinkCategory linkcat |
||
| 857 | INNER JOIN $tblItemProperty ip |
||
| 858 | ON (linkcat.id = ip.ref AND linkcat.c_id = ip.c_id) |
||
| 859 | WHERE |
||
| 860 | ip.tool = '".TOOL_LINK_CATEGORY."' AND |
||
| 861 | (ip.visibility = '0' OR ip.visibility = '1') |
||
| 862 | $sessionCondition AND |
||
| 863 | linkcat.c_id = ".$courseId." |
||
| 864 | ORDER BY linkcat.display_order DESC"; |
||
| 865 | |||
| 866 | $result = Database::query($sql); |
||
| 867 | |||
| 868 | $categoryInItemProperty = []; |
||
| 869 | if (Database::num_rows($result)) { |
||
| 870 | while ($row = Database::fetch_array($result, 'ASSOC')) { |
||
| 871 | $categoryInItemProperty[$row['id']] = $row; |
||
| 872 | } |
||
| 873 | } |
||
| 874 | |||
| 875 | foreach ($categories as &$category) { |
||
| 876 | if (!isset($categoryInItemProperty[$category['id']])) { |
||
| 877 | api_item_property_update( |
||
| 878 | $courseInfo, |
||
| 879 | TOOL_LINK_CATEGORY, |
||
| 880 | $category['id'], |
||
| 881 | 'LinkCategoryAdded', |
||
| 882 | api_get_user_id() |
||
| 883 | ); |
||
| 884 | } |
||
| 885 | } |
||
| 886 | |||
| 887 | $sql = "SELECT DISTINCT linkcat.*, visibility |
||
| 888 | FROM $tblLinkCategory linkcat |
||
| 889 | INNER JOIN $tblItemProperty ip |
||
| 890 | ON (linkcat.id = ip.ref AND linkcat.c_id = ip.c_id) |
||
| 891 | WHERE |
||
| 892 | ip.tool = '".TOOL_LINK_CATEGORY."' AND |
||
| 893 | (ip.visibility = '0' OR ip.visibility = '1') |
||
| 894 | $sessionCondition AND |
||
| 895 | linkcat.c_id = ".$courseId." |
||
| 896 | ORDER BY linkcat.display_order DESC |
||
| 897 | "; |
||
| 898 | $result = Database::query($sql); |
||
| 899 | |||
| 900 | return Database::store_result($result, 'ASSOC'); |
||
| 901 | } |
||
| 902 | |||
| 903 | /** |
||
| 904 | * @param int $categoryId |
||
| 905 | * @param $courseId |
||
| 906 | * @param $sessionId |
||
| 907 | * @param bool $withBaseContent |
||
| 908 | * |
||
| 909 | * @return array |
||
| 910 | */ |
||
| 911 | public static function getLinksPerCategory( |
||
| 912 | $categoryId, |
||
| 913 | $courseId, |
||
| 914 | $sessionId, |
||
| 915 | $withBaseContent = true |
||
| 916 | ) { |
||
| 917 | $tbl_link = Database::get_course_table(TABLE_LINK); |
||
| 918 | $TABLE_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY); |
||
| 919 | $courseId = (int) $courseId; |
||
| 920 | $sessionId = (int) $sessionId; |
||
| 921 | $categoryId = (int) $categoryId; |
||
| 922 | |||
| 923 | // Condition for the session. |
||
| 924 | $condition_session = api_get_session_condition( |
||
| 925 | $sessionId, |
||
| 926 | true, |
||
| 927 | false, |
||
| 928 | 'ip.session_id' |
||
| 929 | ); |
||
| 930 | |||
| 931 | if (!empty($sessionId)) { |
||
| 932 | $conditionBaseSession = api_get_session_condition( |
||
| 933 | 0, |
||
| 934 | true, |
||
| 935 | $withBaseContent, |
||
| 936 | 'ip.session_id' |
||
| 937 | ); |
||
| 938 | $condition = " AND |
||
| 939 | ( |
||
| 940 | (ip.visibility = '1' $conditionBaseSession) OR |
||
| 941 | |||
| 942 | ( |
||
| 943 | (ip.visibility = '0' OR ip.visibility = '1') |
||
| 944 | $condition_session |
||
| 945 | ) |
||
| 946 | ) |
||
| 947 | "; |
||
| 948 | } else { |
||
| 949 | $condition = api_get_session_condition( |
||
| 950 | 0, |
||
| 951 | true, |
||
| 952 | false, |
||
| 953 | 'ip.session_id' |
||
| 954 | ); |
||
| 955 | $condition .= " AND (ip.visibility = '0' OR ip.visibility = '1') $condition "; |
||
| 956 | } |
||
| 957 | |||
| 958 | $sql = "SELECT |
||
| 959 | link.id, |
||
| 960 | ip.session_id, |
||
| 961 | link.session_id link_session_id, |
||
| 962 | url, |
||
| 963 | category_id, |
||
| 964 | visibility, |
||
| 965 | description, |
||
| 966 | title, |
||
| 967 | target, |
||
| 968 | on_homepage |
||
| 969 | FROM $tbl_link link |
||
| 970 | INNER JOIN $TABLE_ITEM_PROPERTY ip |
||
| 971 | ON (link.id = ip.ref AND link.c_id = ip.c_id) |
||
| 972 | WHERE |
||
| 973 | ip.tool = '".TOOL_LINK."' AND |
||
| 974 | link.category_id = '".$categoryId."' AND |
||
| 975 | link.c_id = $courseId AND |
||
| 976 | ip.c_id = $courseId |
||
| 977 | $condition |
||
| 978 | ORDER BY link.display_order ASC, ip.session_id DESC"; |
||
| 979 | |||
| 980 | $result = Database::query($sql); |
||
| 981 | |||
| 982 | return Database::store_result($result); |
||
| 983 | } |
||
| 984 | |||
| 985 | /** |
||
| 986 | * Displays all the links of a given category. |
||
| 987 | * |
||
| 988 | * @param int $catid |
||
| 989 | * @param int $courseId |
||
| 990 | * @param int $session_id |
||
| 991 | * @param bool $showActionLinks |
||
| 992 | * |
||
| 993 | * @return string |
||
| 994 | * |
||
| 995 | * @author Julio Montoya |
||
| 996 | * @author Patrick Cool <[email protected]>, Ghent University |
||
| 997 | */ |
||
| 998 | public static function showLinksPerCategory($catid, $courseId, $session_id, $showActionLinks = true) |
||
| 999 | { |
||
| 1000 | global $token; |
||
| 1001 | $_user = api_get_user_info(); |
||
| 1002 | $catid = (int) $catid; |
||
| 1003 | |||
| 1004 | $links = self::getLinksPerCategory($catid, $courseId, $session_id); |
||
| 1005 | $content = ''; |
||
| 1006 | $numberOfLinks = count($links); |
||
| 1007 | |||
| 1008 | if (!empty($links)) { |
||
| 1009 | $content .= '<div class="link list-group">'; |
||
| 1010 | $i = 1; |
||
| 1011 | $linksAdded = []; |
||
| 1012 | foreach ($links as $myrow) { |
||
| 1013 | $linkId = $myrow['id']; |
||
| 1014 | $linkUrl = Security::remove_XSS($myrow['url']); |
||
| 1015 | |||
| 1016 | if (in_array($linkId, $linksAdded)) { |
||
| 1017 | continue; |
||
| 1018 | } |
||
| 1019 | |||
| 1020 | $linksAdded[] = $linkId; |
||
| 1021 | $categoryId = $myrow['category_id']; |
||
| 1022 | |||
| 1023 | // Validation when belongs to a session. |
||
| 1024 | $session_img = api_get_session_image($myrow['link_session_id'], $_user['status']); |
||
| 1025 | |||
| 1026 | $toolbar = ''; |
||
| 1027 | $link_validator = ''; |
||
| 1028 | if (api_is_allowed_to_edit(null, true)) { |
||
| 1029 | $toolbar .= Display::toolbarButton( |
||
| 1030 | '', |
||
| 1031 | 'javascript:void(0);', |
||
| 1032 | 'check-circle-o', |
||
| 1033 | 'default btn-sm', |
||
| 1034 | [ |
||
| 1035 | 'onclick' => "check_url('".$linkId."', '".addslashes($linkUrl)."');", |
||
| 1036 | 'title' => get_lang('CheckURL'), |
||
| 1037 | ] |
||
| 1038 | ); |
||
| 1039 | |||
| 1040 | $link_validator .= Display::span( |
||
| 1041 | '', |
||
| 1042 | [ |
||
| 1043 | 'id' => 'url_id_'.$linkId, |
||
| 1044 | 'class' => 'check-link', |
||
| 1045 | ] |
||
| 1046 | ); |
||
| 1047 | |||
| 1048 | if ($session_id == $myrow['link_session_id']) { |
||
| 1049 | $url = api_get_self().'?'.api_get_cidreq().'&action=editlink&id='.$linkId; |
||
| 1050 | $title = get_lang('Edit'); |
||
| 1051 | $toolbar .= Display::toolbarButton( |
||
| 1052 | '', |
||
| 1053 | $url, |
||
| 1054 | 'pencil', |
||
| 1055 | 'default btn-sm', |
||
| 1056 | [ |
||
| 1057 | 'title' => $title, |
||
| 1058 | ] |
||
| 1059 | ); |
||
| 1060 | } |
||
| 1061 | |||
| 1062 | $urlVisibility = api_get_self().'?'.api_get_cidreq(). |
||
| 1063 | '&sec_token='.$token. |
||
| 1064 | '&id='.$linkId. |
||
| 1065 | '&scope=link&category_id='.$categoryId; |
||
| 1066 | |||
| 1067 | switch ($myrow['visibility']) { |
||
| 1068 | case '1': |
||
| 1069 | $urlVisibility .= '&action=invisible'; |
||
| 1070 | $title = get_lang('Hide'); |
||
| 1071 | $toolbar .= Display::toolbarButton( |
||
| 1072 | '', |
||
| 1073 | $urlVisibility, |
||
| 1074 | 'eye', |
||
| 1075 | 'default btn-sm', |
||
| 1076 | [ |
||
| 1077 | 'title' => $title, |
||
| 1078 | ] |
||
| 1079 | ); |
||
| 1080 | break; |
||
| 1081 | case '0': |
||
| 1082 | $urlVisibility .= '&action=visible'; |
||
| 1083 | $title = get_lang('Show'); |
||
| 1084 | $toolbar .= Display::toolbarButton( |
||
| 1085 | '', |
||
| 1086 | $urlVisibility, |
||
| 1087 | 'eye-slash', |
||
| 1088 | 'primary btn-sm', |
||
| 1089 | [ |
||
| 1090 | 'title' => $title, |
||
| 1091 | ] |
||
| 1092 | ); |
||
| 1093 | break; |
||
| 1094 | } |
||
| 1095 | |||
| 1096 | if ($session_id == $myrow['link_session_id']) { |
||
| 1097 | $moveLinkParams = [ |
||
| 1098 | 'id' => $linkId, |
||
| 1099 | 'scope' => 'category', |
||
| 1100 | 'category_id' => $categoryId, |
||
| 1101 | 'action' => 'move_link_up', |
||
| 1102 | ]; |
||
| 1103 | |||
| 1104 | $toolbar .= Display::toolbarButton( |
||
| 1105 | get_lang('MoveUp'), |
||
| 1106 | api_get_self().'?'.api_get_cidreq().'&'.http_build_query($moveLinkParams), |
||
| 1107 | 'level-up', |
||
| 1108 | 'default', |
||
| 1109 | ['class' => 'btn-sm '.($i === 1 ? 'disabled' : '')], |
||
| 1110 | false |
||
| 1111 | ); |
||
| 1112 | |||
| 1113 | $moveLinkParams['action'] = 'move_link_down'; |
||
| 1114 | $toolbar .= Display::toolbarButton( |
||
| 1115 | get_lang('MoveDown'), |
||
| 1116 | api_get_self().'?'.api_get_cidreq().'&'.http_build_query($moveLinkParams), |
||
| 1117 | 'level-down', |
||
| 1118 | 'default', |
||
| 1119 | ['class' => 'btn-sm '.($i === $numberOfLinks ? 'disabled' : '')], |
||
| 1120 | false |
||
| 1121 | ); |
||
| 1122 | |||
| 1123 | $url = api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=deletelink&id='.$linkId.'&category_id='.$categoryId; |
||
| 1124 | $event = "javascript: if(!confirm('".get_lang('LinkDelconfirm')."'))return false;"; |
||
| 1125 | $title = get_lang('Delete'); |
||
| 1126 | |||
| 1127 | $toolbar .= Display::toolbarButton( |
||
| 1128 | '', |
||
| 1129 | $url, |
||
| 1130 | 'trash', |
||
| 1131 | 'default btn-sm', |
||
| 1132 | [ |
||
| 1133 | 'onclick' => $event, |
||
| 1134 | 'title' => $title, |
||
| 1135 | ] |
||
| 1136 | ); |
||
| 1137 | } |
||
| 1138 | } |
||
| 1139 | |||
| 1140 | $showLink = false; |
||
| 1141 | $titleClass = ''; |
||
| 1142 | if ($myrow['visibility'] == '1') { |
||
| 1143 | $showLink = true; |
||
| 1144 | } else { |
||
| 1145 | if (api_is_allowed_to_edit(null, true)) { |
||
| 1146 | $showLink = true; |
||
| 1147 | $titleClass = 'text-muted'; |
||
| 1148 | } |
||
| 1149 | } |
||
| 1150 | |||
| 1151 | if ($showLink) { |
||
| 1152 | $iconLink = Display::return_icon( |
||
| 1153 | 'url.png', |
||
| 1154 | get_lang('Link'), |
||
| 1155 | null, |
||
| 1156 | ICON_SIZE_SMALL |
||
| 1157 | ); |
||
| 1158 | $url = api_get_path(WEB_CODE_PATH).'link/link_goto.php?'.api_get_cidreq().'&link_id='.$linkId; |
||
| 1159 | $content .= '<div class="list-group-item">'; |
||
| 1160 | if ($showActionLinks) { |
||
| 1161 | $content .= '<div class="pull-right"><div class="btn-group">'.$toolbar.'</div></div>'; |
||
| 1162 | } |
||
| 1163 | $content .= '<h4 class="list-group-item-heading">'; |
||
| 1164 | $content .= $iconLink; |
||
| 1165 | $content .= Display::tag( |
||
| 1166 | 'a', |
||
| 1167 | Security::remove_XSS($myrow['title']), |
||
| 1168 | [ |
||
| 1169 | 'href' => $url, |
||
| 1170 | 'target' => Security::remove_XSS($myrow['target']), |
||
| 1171 | 'class' => $titleClass, |
||
| 1172 | ] |
||
| 1173 | ); |
||
| 1174 | $content .= $link_validator; |
||
| 1175 | $content .= $session_img; |
||
| 1176 | $content .= '</h4>'; |
||
| 1177 | $content .= '<p class="list-group-item-text">'.Security::remove_XSS($myrow['description']).'</p>'; |
||
| 1178 | $content .= '</div>'; |
||
| 1179 | } |
||
| 1180 | $i++; |
||
| 1181 | } |
||
| 1182 | $content .= '</div>'; |
||
| 1183 | } |
||
| 1184 | |||
| 1185 | return $content; |
||
| 1186 | } |
||
| 1187 | |||
| 1188 | /** |
||
| 1189 | * Displays the edit, delete and move icons. |
||
| 1190 | * |
||
| 1191 | * @param int Category ID |
||
| 1192 | * @param int $currentCategory |
||
| 1193 | * @param int $countCategories |
||
| 1194 | * |
||
| 1195 | * @return string |
||
| 1196 | * |
||
| 1197 | * @author Patrick Cool <[email protected]>, Ghent University |
||
| 1198 | */ |
||
| 1199 | public static function showCategoryAdminTools($category, $currentCategory, $countCategories) |
||
| 1200 | { |
||
| 1201 | $categoryId = $category['id']; |
||
| 1202 | $token = null; |
||
| 1203 | $tools = '<a href="'.api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=editcategory&id='.$categoryId.'&category_id='.$categoryId.'" title='.get_lang('Modify').'">'. |
||
| 1204 | Display::return_icon( |
||
| 1205 | 'edit.png', |
||
| 1206 | get_lang('Modify'), |
||
| 1207 | [], |
||
| 1208 | ICON_SIZE_SMALL |
||
| 1209 | ).'</a>'; |
||
| 1210 | |||
| 1211 | // DISPLAY MOVE UP COMMAND only if it is not the top link. |
||
| 1212 | if ($currentCategory != 0) { |
||
| 1213 | $tools .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=up&up='.$categoryId.'&category_id='.$categoryId.'" title="'.get_lang('Up').'">'. |
||
| 1214 | Display::return_icon( |
||
| 1215 | 'up.png', |
||
| 1216 | get_lang('Up'), |
||
| 1217 | [], |
||
| 1218 | ICON_SIZE_SMALL |
||
| 1219 | ).'</a>'; |
||
| 1220 | } else { |
||
| 1221 | $tools .= Display::return_icon( |
||
| 1222 | 'up_na.png', |
||
| 1223 | get_lang('Up'), |
||
| 1224 | [], |
||
| 1225 | ICON_SIZE_SMALL |
||
| 1226 | ).'</a>'; |
||
| 1227 | } |
||
| 1228 | |||
| 1229 | // DISPLAY MOVE DOWN COMMAND only if it is not the bottom link. |
||
| 1230 | if ($currentCategory < $countCategories - 1) { |
||
| 1231 | $tools .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=down&down='.$categoryId.'&category_id='.$categoryId.'">'. |
||
| 1232 | Display::return_icon( |
||
| 1233 | 'down.png', |
||
| 1234 | get_lang('Down'), |
||
| 1235 | [], |
||
| 1236 | ICON_SIZE_SMALL |
||
| 1237 | ).'</a>'; |
||
| 1238 | } else { |
||
| 1239 | $tools .= Display::return_icon( |
||
| 1240 | 'down_na.png', |
||
| 1241 | get_lang('Down'), |
||
| 1242 | [], |
||
| 1243 | ICON_SIZE_SMALL |
||
| 1244 | ).'</a>'; |
||
| 1245 | } |
||
| 1246 | |||
| 1247 | $tools .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=deletecategory&id='.$categoryId."&category_id=$categoryId\" |
||
| 1248 | onclick=\"javascript: if(!confirm('".get_lang('CategoryDelconfirm')."')) return false;\">". |
||
| 1249 | Display::return_icon( |
||
| 1250 | 'delete.png', |
||
| 1251 | get_lang('Delete'), |
||
| 1252 | [], |
||
| 1253 | ICON_SIZE_SMALL |
||
| 1254 | ).'</a>'; |
||
| 1255 | |||
| 1256 | return $tools; |
||
| 1257 | } |
||
| 1258 | |||
| 1259 | /** |
||
| 1260 | * move a link or a linkcategory up or down. |
||
| 1261 | * |
||
| 1262 | * @param int Category ID |
||
| 1263 | * @param int Course ID |
||
| 1264 | * @param int Session ID |
||
| 1265 | * |
||
| 1266 | * @author Patrick Cool <[email protected]>, Ghent University |
||
| 1267 | * |
||
| 1268 | * @todo support sessions |
||
| 1269 | */ |
||
| 1270 | public static function movecatlink($action, $catlinkid, $courseId = null, $sessionId = null) |
||
| 1271 | { |
||
| 1272 | $tbl_categories = Database::get_course_table(TABLE_LINK_CATEGORY); |
||
| 1273 | |||
| 1274 | if (is_null($courseId)) { |
||
| 1275 | $courseId = api_get_course_int_id(); |
||
| 1276 | } |
||
| 1277 | $courseId = intval($courseId); |
||
| 1278 | if (is_null($sessionId)) { |
||
| 1279 | $sessionId = api_get_session_id(); |
||
| 1280 | } |
||
| 1281 | $sessionId = intval($sessionId); |
||
| 1282 | $thiscatlinkId = intval($catlinkid); |
||
| 1283 | |||
| 1284 | if ($action === 'down') { |
||
| 1285 | $sortDirection = 'DESC'; |
||
| 1286 | } |
||
| 1287 | |||
| 1288 | if ($action === 'up') { |
||
| 1289 | $sortDirection = 'ASC'; |
||
| 1290 | } |
||
| 1291 | |||
| 1292 | $movetable = $tbl_categories; |
||
| 1293 | |||
| 1294 | if (!empty($sortDirection)) { |
||
| 1295 | if (!in_array(trim(strtoupper($sortDirection)), ['ASC', 'DESC'])) { |
||
| 1296 | $sortDirection = 'ASC'; |
||
| 1297 | } |
||
| 1298 | |||
| 1299 | $sql = "SELECT id, display_order FROM $movetable |
||
| 1300 | WHERE c_id = $courseId |
||
| 1301 | ORDER BY display_order $sortDirection"; |
||
| 1302 | $linkresult = Database::query($sql); |
||
| 1303 | $thislinkOrder = 1; |
||
| 1304 | while ($sortrow = Database::fetch_array($linkresult)) { |
||
| 1305 | // STEP 2 : FOUND THE NEXT LINK ID AND ORDER, COMMIT SWAP |
||
| 1306 | // This part seems unlogic, but it isn't . We first look for the current link with the querystring ID |
||
| 1307 | // and we know the next iteration of the while loop is the next one. These should be swapped. |
||
| 1308 | if (isset($thislinkFound) && $thislinkFound) { |
||
| 1309 | $nextlinkId = $sortrow['id']; |
||
| 1310 | $nextlinkOrder = $sortrow['display_order']; |
||
| 1311 | |||
| 1312 | Database::query( |
||
| 1313 | "UPDATE ".$movetable." |
||
| 1314 | SET display_order = '$nextlinkOrder' |
||
| 1315 | WHERE c_id = $courseId AND id = '$thiscatlinkId'" |
||
| 1316 | ); |
||
| 1317 | Database::query( |
||
| 1318 | "UPDATE ".$movetable." |
||
| 1319 | SET display_order = '$thislinkOrder' |
||
| 1320 | WHERE c_id = $courseId AND id = '$nextlinkId'" |
||
| 1321 | ); |
||
| 1322 | |||
| 1323 | break; |
||
| 1324 | } |
||
| 1325 | if ($sortrow['id'] == $thiscatlinkId) { |
||
| 1326 | $thislinkOrder = $sortrow['display_order']; |
||
| 1327 | $thislinkFound = true; |
||
| 1328 | } |
||
| 1329 | } |
||
| 1330 | } |
||
| 1331 | |||
| 1332 | Display::addFlash(Display::return_message(get_lang('LinkMoved'))); |
||
| 1333 | } |
||
| 1334 | |||
| 1335 | /** |
||
| 1336 | * This function checks if the url is a vimeo link. |
||
| 1337 | * |
||
| 1338 | * @author Julio Montoya |
||
| 1339 | * |
||
| 1340 | * @version 1.0 |
||
| 1341 | */ |
||
| 1342 | public static function isVimeoLink($url) |
||
| 1343 | { |
||
| 1344 | $isLink = strrpos($url, 'vimeo.com'); |
||
| 1345 | |||
| 1346 | return $isLink; |
||
| 1347 | } |
||
| 1348 | |||
| 1349 | /** |
||
| 1350 | * Get vimeo id from URL. |
||
| 1351 | * |
||
| 1352 | * @param string $url |
||
| 1353 | * |
||
| 1354 | * @return bool|mixed |
||
| 1355 | */ |
||
| 1356 | public static function getVimeoLinkId($url) |
||
| 1357 | { |
||
| 1358 | $possibleUrls = [ |
||
| 1359 | 'http://www.vimeo.com/', |
||
| 1360 | 'http://vimeo.com/', |
||
| 1361 | 'https://www.vimeo.com/', |
||
| 1362 | 'https://vimeo.com/', |
||
| 1363 | ]; |
||
| 1364 | $url = str_replace($possibleUrls, '', $url); |
||
| 1365 | |||
| 1366 | if (is_numeric($url)) { |
||
| 1367 | return $url; |
||
| 1368 | } |
||
| 1369 | |||
| 1370 | return false; |
||
| 1371 | } |
||
| 1372 | |||
| 1373 | /** |
||
| 1374 | * This function checks if the url is a youtube link. |
||
| 1375 | * |
||
| 1376 | * @author Jorge Frisancho |
||
| 1377 | * @author Julio Montoya - Fixing code |
||
| 1378 | * |
||
| 1379 | * @version 1.0 |
||
| 1380 | */ |
||
| 1381 | public static function is_youtube_link($url) |
||
| 1382 | { |
||
| 1383 | $is_youtube_link = strrpos($url, 'youtube') || strrpos( |
||
| 1384 | $url, |
||
| 1385 | 'youtu.be' |
||
| 1386 | ); |
||
| 1387 | |||
| 1388 | return $is_youtube_link; |
||
| 1389 | } |
||
| 1390 | |||
| 1391 | /** |
||
| 1392 | * This function checks if the url is a PDF File link. |
||
| 1393 | * |
||
| 1394 | * @author Jorge Frisancho |
||
| 1395 | * @author Alex Aragón - Fixing code |
||
| 1396 | * |
||
| 1397 | * @version 1.0 |
||
| 1398 | */ |
||
| 1399 | public static function isPdfLink($url) |
||
| 1400 | { |
||
| 1401 | $isPdfLink = strrpos(strtolower($url), '.pdf'); |
||
| 1402 | |||
| 1403 | return $isPdfLink; |
||
| 1404 | } |
||
| 1405 | |||
| 1406 | /** |
||
| 1407 | * Get youtube id from an URL. |
||
| 1408 | * |
||
| 1409 | * @param string $url |
||
| 1410 | * |
||
| 1411 | * @return string |
||
| 1412 | */ |
||
| 1413 | public static function get_youtube_video_id($url) |
||
| 1414 | { |
||
| 1415 | // This is the length of YouTube's video IDs |
||
| 1416 | $len = 11; |
||
| 1417 | |||
| 1418 | // The ID string starts after "v=", which is usually right after |
||
| 1419 | // "youtube.com/watch?" in the URL |
||
| 1420 | $pos = strpos($url, "v="); |
||
| 1421 | $id = ''; |
||
| 1422 | |||
| 1423 | //If false try other options |
||
| 1424 | if ($pos === false) { |
||
| 1425 | $url_parsed = parse_url($url); |
||
| 1426 | |||
| 1427 | //Youtube shortener |
||
| 1428 | //http://youtu.be/ID |
||
| 1429 | $pos = strpos($url, "youtu.be"); |
||
| 1430 | |||
| 1431 | if ($pos == false) { |
||
| 1432 | $id = ''; |
||
| 1433 | } else { |
||
| 1434 | return substr($url_parsed['path'], 1); |
||
| 1435 | } |
||
| 1436 | |||
| 1437 | //if empty try the youtube.com/embed/ID |
||
| 1438 | if (empty($id)) { |
||
| 1439 | $pos = strpos($url, "embed"); |
||
| 1440 | if ($pos === false) { |
||
| 1441 | return ''; |
||
| 1442 | } else { |
||
| 1443 | return substr($url_parsed['path'], 7); |
||
| 1444 | } |
||
| 1445 | } |
||
| 1446 | } else { |
||
| 1447 | // Offset the start location to match the beginning of the ID string |
||
| 1448 | $pos += 2; |
||
| 1449 | // Get the ID string and return it |
||
| 1450 | $id = substr($url, $pos, $len); |
||
| 1451 | |||
| 1452 | return $id; |
||
| 1453 | } |
||
| 1454 | } |
||
| 1455 | |||
| 1456 | /** |
||
| 1457 | * @param int $course_id |
||
| 1458 | * @param int $session_id |
||
| 1459 | * @param int $categoryId |
||
| 1460 | * @param string $show |
||
| 1461 | * @param null $token |
||
| 1462 | * @param bool $showActionLinks |
||
| 1463 | * @param bool $forceOpenCategories |
||
| 1464 | * |
||
| 1465 | * @return string |
||
| 1466 | */ |
||
| 1467 | public static function listLinksAndCategories( |
||
| 1468 | $course_id, |
||
| 1469 | $session_id, |
||
| 1470 | $categoryId, |
||
| 1471 | $show = 'none', |
||
| 1472 | $token = null, |
||
| 1473 | $showActionLinks = true, |
||
| 1474 | $forceOpenCategories = false |
||
| 1475 | ) { |
||
| 1476 | $categoryId = (int) $categoryId; |
||
| 1477 | $content = ''; |
||
| 1478 | $categories = self::getLinkCategories($course_id, $session_id); |
||
| 1479 | $countCategories = count($categories); |
||
| 1480 | $linksPerCategory = self::showLinksPerCategory(0, $course_id, $session_id, $showActionLinks); |
||
| 1481 | |||
| 1482 | if ($showActionLinks) { |
||
| 1483 | /* Action Links */ |
||
| 1484 | $content = '<div class="actions">'; |
||
| 1485 | if (api_is_allowed_to_edit(null, true)) { |
||
| 1486 | $content .= '<a href="'.api_get_self().'?'.api_get_cidreq( |
||
| 1487 | ).'&action=addlink&category_id='.$categoryId.'">'. |
||
| 1488 | Display::return_icon('new_link.png', get_lang('LinkAdd'), '', ICON_SIZE_MEDIUM).'</a>'; |
||
| 1489 | $content .= '<a href="'.api_get_self().'?'.api_get_cidreq( |
||
| 1490 | ).'&action=addcategory&category_id='.$categoryId.'">'. |
||
| 1491 | Display::return_icon('new_folder.png', get_lang('CategoryAdd'), '', ICON_SIZE_MEDIUM).'</a>'; |
||
| 1492 | } |
||
| 1493 | |||
| 1494 | if (!empty($countCategories)) { |
||
| 1495 | $content .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=list&show=none">'; |
||
| 1496 | $content .= Display::return_icon( |
||
| 1497 | 'forum_listview.png', |
||
| 1498 | get_lang('FlatView'), |
||
| 1499 | '', |
||
| 1500 | ICON_SIZE_MEDIUM |
||
| 1501 | ).' </a>'; |
||
| 1502 | |||
| 1503 | $content .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=list&show=all">'; |
||
| 1504 | $content .= Display::return_icon( |
||
| 1505 | 'forum_nestedview.png', |
||
| 1506 | get_lang('NestedView'), |
||
| 1507 | '', |
||
| 1508 | ICON_SIZE_MEDIUM |
||
| 1509 | ).'</a>'; |
||
| 1510 | } |
||
| 1511 | |||
| 1512 | $content .= Display::url( |
||
| 1513 | Display::return_icon('pdf.png', get_lang('ExportToPdf'), '', ICON_SIZE_MEDIUM), |
||
| 1514 | api_get_self().'?'.api_get_cidreq().'&action=export' |
||
| 1515 | ); |
||
| 1516 | $content .= '</div>'; |
||
| 1517 | } |
||
| 1518 | |||
| 1519 | if (empty($countCategories)) { |
||
| 1520 | $content .= $linksPerCategory; |
||
| 1521 | } else { |
||
| 1522 | if (!empty($linksPerCategory)) { |
||
| 1523 | $content .= Display::panel($linksPerCategory, get_lang('NoCategory')); |
||
| 1524 | } |
||
| 1525 | } |
||
| 1526 | |||
| 1527 | $counter = 0; |
||
| 1528 | foreach ($categories as $myrow) { |
||
| 1529 | // Student don't see invisible categories. |
||
| 1530 | if (!api_is_allowed_to_edit(null, true)) { |
||
| 1531 | if ($myrow['visibility'] == 0) { |
||
| 1532 | continue; |
||
| 1533 | } |
||
| 1534 | } |
||
| 1535 | |||
| 1536 | // Validation when belongs to a session |
||
| 1537 | $showChildren = $categoryId == $myrow['id'] || $show === 'all'; |
||
| 1538 | if ($forceOpenCategories) { |
||
| 1539 | $showChildren = true; |
||
| 1540 | } |
||
| 1541 | |||
| 1542 | $strVisibility = ''; |
||
| 1543 | $visibilityClass = null; |
||
| 1544 | if ($myrow['visibility'] == '1') { |
||
| 1545 | $strVisibility = '<a href="link.php?'.api_get_cidreq().'&sec_token='.$token.'&action=invisible&id='.$myrow['id'].'&scope='.TOOL_LINK_CATEGORY.'" title="'.get_lang('Hide').'">'. |
||
| 1546 | Display::return_icon('visible.png', get_lang('Hide'), [], ICON_SIZE_SMALL).'</a>'; |
||
| 1547 | } elseif ($myrow['visibility'] == '0') { |
||
| 1548 | $visibilityClass = 'text-muted'; |
||
| 1549 | $strVisibility = ' <a href="link.php?'.api_get_cidreq().'&sec_token='.$token.'&action=visible&id='.$myrow['id'].'&scope='.TOOL_LINK_CATEGORY.'" title="'.get_lang('Show').'">'. |
||
| 1550 | Display::return_icon('invisible.png', get_lang('Show'), [], ICON_SIZE_SMALL).'</a>'; |
||
| 1551 | } |
||
| 1552 | |||
| 1553 | $header = ''; |
||
| 1554 | if ($showChildren) { |
||
| 1555 | $header .= '<a class="'.$visibilityClass.'" href="'.api_get_self().'?'.api_get_cidreq().'&category_id=">'; |
||
| 1556 | $header .= Display::return_icon('forum_nestedview.png'); |
||
| 1557 | } else { |
||
| 1558 | $header .= '<a class="'.$visibilityClass.'" href="'.api_get_self().'?'.api_get_cidreq().'&category_id='.$myrow['id'].'">'; |
||
| 1559 | $header .= Display::return_icon('forum_listview.png'); |
||
| 1560 | } |
||
| 1561 | $header .= Security::remove_XSS($myrow['category_title']).'</a>'; |
||
| 1562 | |||
| 1563 | if ($showActionLinks) { |
||
| 1564 | if (api_is_allowed_to_edit(null, true)) { |
||
| 1565 | if ($session_id == $myrow['session_id']) { |
||
| 1566 | $header .= $strVisibility; |
||
| 1567 | $header .= self::showCategoryAdminTools($myrow, $counter, count($categories)); |
||
| 1568 | } else { |
||
| 1569 | $header .= get_lang('EditionNotAvailableFromSession'); |
||
| 1570 | } |
||
| 1571 | } |
||
| 1572 | } |
||
| 1573 | |||
| 1574 | $childrenContent = ''; |
||
| 1575 | if ($showChildren) { |
||
| 1576 | $childrenContent = self::showLinksPerCategory( |
||
| 1577 | $myrow['id'], |
||
| 1578 | $course_id, |
||
| 1579 | $session_id, |
||
| 1580 | $showActionLinks |
||
| 1581 | ); |
||
| 1582 | } |
||
| 1583 | |||
| 1584 | $content .= Display::panel(Security::remove_XSS($myrow['description']).$childrenContent, $header); |
||
| 1585 | $counter++; |
||
| 1586 | } |
||
| 1587 | |||
| 1588 | return $content; |
||
| 1589 | } |
||
| 1590 | |||
| 1591 | /** |
||
| 1592 | * @param int $linkId |
||
| 1593 | * @param string $action |
||
| 1594 | * @param null $token |
||
| 1595 | * |
||
| 1596 | * @return FormValidator |
||
| 1597 | */ |
||
| 1598 | public static function getLinkForm($linkId, $action, $token = null) |
||
| 1599 | { |
||
| 1600 | $course_id = api_get_course_int_id(); |
||
| 1601 | $session_id = api_get_session_id(); |
||
| 1602 | $linkInfo = self::getLinkInfo($linkId); |
||
| 1603 | $categoryId = isset($linkInfo['category_id']) ? $linkInfo['category_id'] : ''; |
||
| 1604 | $lpId = isset($_GET['lp_id']) ? Security::remove_XSS($_GET['lp_id']) : null; |
||
| 1605 | |||
| 1606 | $form = new FormValidator( |
||
| 1607 | 'link', |
||
| 1608 | 'post', |
||
| 1609 | api_get_self().'?action='.$action. |
||
| 1610 | '&category_id='.$categoryId. |
||
| 1611 | '&'.api_get_cidreq(). |
||
| 1612 | '&id='.$linkId. |
||
| 1613 | '&sec_token='.$token |
||
| 1614 | ); |
||
| 1615 | |||
| 1616 | if ($action === 'addlink') { |
||
| 1617 | $form->addHeader(get_lang('LinkAdd')); |
||
| 1618 | } else { |
||
| 1619 | $form->addHeader(get_lang('LinkMod')); |
||
| 1620 | } |
||
| 1621 | |||
| 1622 | $target_link = '_blank'; |
||
| 1623 | $title = ''; |
||
| 1624 | $category = ''; |
||
| 1625 | $onhomepage = ''; |
||
| 1626 | $description = ''; |
||
| 1627 | if (!empty($linkInfo)) { |
||
| 1628 | $urllink = $linkInfo['url']; |
||
| 1629 | $title = $linkInfo['title']; |
||
| 1630 | $description = $linkInfo['description']; |
||
| 1631 | $category = $linkInfo['category_id']; |
||
| 1632 | if ($linkInfo['on_homepage'] != 0) { |
||
| 1633 | $onhomepage = 1; |
||
| 1634 | } |
||
| 1635 | $target_link = $linkInfo['target']; |
||
| 1636 | } |
||
| 1637 | |||
| 1638 | $form->addHidden('id', $linkId); |
||
| 1639 | $form->addText('url', 'URL'); |
||
| 1640 | $form->addRule('url', get_lang('GiveURL'), 'url'); |
||
| 1641 | $form->addText('title', get_lang('LinkName')); |
||
| 1642 | $form->addTextarea('description', get_lang('Description')); |
||
| 1643 | |||
| 1644 | $resultcategories = self::getLinkCategories($course_id, $session_id); |
||
| 1645 | $options = ['0' => '--']; |
||
| 1646 | if (!empty($resultcategories)) { |
||
| 1647 | foreach ($resultcategories as $myrow) { |
||
| 1648 | $options[$myrow['id']] = $myrow['category_title']; |
||
| 1649 | } |
||
| 1650 | } |
||
| 1651 | |||
| 1652 | $form->addSelect('category_id', get_lang('Category'), $options); |
||
| 1653 | $form->addCheckBox('on_homepage', null, get_lang('OnHomepage')); |
||
| 1654 | |||
| 1655 | $targets = [ |
||
| 1656 | '_self' => get_lang('LinkOpenSelf'), |
||
| 1657 | '_blank' => get_lang('LinkOpenBlank'), |
||
| 1658 | '_parent' => get_lang('LinkOpenParent'), |
||
| 1659 | '_top' => get_lang('LinkOpenTop'), |
||
| 1660 | ]; |
||
| 1661 | |||
| 1662 | $form->addSelect( |
||
| 1663 | 'target', |
||
| 1664 | [ |
||
| 1665 | get_lang('LinkTarget'), |
||
| 1666 | get_lang('AddTargetOfLinkOnHomepage'), |
||
| 1667 | ], |
||
| 1668 | $targets |
||
| 1669 | ); |
||
| 1670 | |||
| 1671 | $defaults = [ |
||
| 1672 | 'url' => empty($urllink) ? 'http://' : str_replace('&', '&', Security::remove_XSS($urllink)), |
||
| 1673 | 'title' => Security::remove_XSS($title), |
||
| 1674 | 'category_id' => $category, |
||
| 1675 | 'on_homepage' => $onhomepage, |
||
| 1676 | 'description' => Security::remove_XSS($description), |
||
| 1677 | 'target' => $target_link, |
||
| 1678 | ]; |
||
| 1679 | |||
| 1680 | if (api_get_setting('search_enabled') === 'true') { |
||
| 1681 | require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php'; |
||
| 1682 | $specific_fields = get_specific_field_list(); |
||
| 1683 | $form->addCheckBox('index_document', get_lang('SearchFeatureDoIndexLink'), get_lang('Yes')); |
||
| 1684 | |||
| 1685 | foreach ($specific_fields as $specific_field) { |
||
| 1686 | $default_values = ''; |
||
| 1687 | if ($action === 'editlink') { |
||
| 1688 | $filter = [ |
||
| 1689 | 'field_id' => $specific_field['id'], |
||
| 1690 | 'ref_id' => intval($_GET['id']), |
||
| 1691 | 'tool_id' => '\''.TOOL_LINK.'\'', |
||
| 1692 | ]; |
||
| 1693 | $values = get_specific_field_values_list($filter, ['value']); |
||
| 1694 | if (!empty($values)) { |
||
| 1695 | $arr_str_values = []; |
||
| 1696 | foreach ($values as $value) { |
||
| 1697 | $arr_str_values[] = $value['value']; |
||
| 1698 | } |
||
| 1699 | $default_values = implode(', ', $arr_str_values); |
||
| 1700 | } |
||
| 1701 | } |
||
| 1702 | $form->addText($specific_field['name'], $specific_field['code']); |
||
| 1703 | $defaults[$specific_field['name']] = $default_values; |
||
| 1704 | } |
||
| 1705 | } |
||
| 1706 | |||
| 1707 | Skill::addSkillsToForm($form, api_get_course_int_id(), api_get_session_id(), ITEM_TYPE_LINK, $linkId); |
||
| 1708 | $form->addHidden('lp_id', $lpId); |
||
| 1709 | $form->addButtonSave(get_lang('SaveLink'), 'submitLink'); |
||
| 1710 | $form->setDefaults($defaults); |
||
| 1711 | |||
| 1712 | return $form; |
||
| 1713 | } |
||
| 1714 | |||
| 1715 | /** |
||
| 1716 | * @param int $id |
||
| 1717 | * @param string $action |
||
| 1718 | * |
||
| 1719 | * @return FormValidator |
||
| 1720 | */ |
||
| 1721 | public static function getCategoryForm($id, $action) |
||
| 1722 | { |
||
| 1723 | $id = (int) $id; |
||
| 1724 | $action = Security::remove_XSS($action); |
||
| 1725 | |||
| 1726 | $form = new FormValidator( |
||
| 1727 | 'category', |
||
| 1728 | 'post', |
||
| 1729 | api_get_self().'?action='.$action.'&'.api_get_cidreq() |
||
| 1730 | ); |
||
| 1731 | |||
| 1732 | $defaults = []; |
||
| 1733 | if ($action == 'addcategory') { |
||
| 1734 | $form->addHeader(get_lang('CategoryAdd')); |
||
| 1735 | $my_cat_title = get_lang('CategoryAdd'); |
||
| 1736 | } else { |
||
| 1737 | $form->addHeader(get_lang('CategoryMod')); |
||
| 1738 | $my_cat_title = get_lang('CategoryMod'); |
||
| 1739 | $defaults = self::getCategory($id); |
||
| 1740 | } |
||
| 1741 | $form->addHidden('id', $id); |
||
| 1742 | $form->addText('category_title', get_lang('CategoryName')); |
||
| 1743 | $form->addTextarea('description', get_lang('Description')); |
||
| 1744 | $form->addButtonSave($my_cat_title, 'submitCategory'); |
||
| 1745 | $form->setDefaults($defaults); |
||
| 1746 | |||
| 1747 | return $form; |
||
| 1748 | } |
||
| 1749 | |||
| 1750 | /** |
||
| 1751 | * @param int $id |
||
| 1752 | * |
||
| 1753 | * @return array |
||
| 1754 | */ |
||
| 1755 | public static function getCategory($id) |
||
| 1756 | { |
||
| 1757 | $table = Database::get_course_table(TABLE_LINK_CATEGORY); |
||
| 1758 | $id = (int) $id; |
||
| 1759 | $courseId = api_get_course_int_id(); |
||
| 1760 | |||
| 1761 | if (empty($id) || empty($courseId)) { |
||
| 1762 | return []; |
||
| 1763 | } |
||
| 1764 | $sql = "SELECT * FROM $table |
||
| 1765 | WHERE id = $id AND c_id = $courseId"; |
||
| 1766 | $result = Database::query($sql); |
||
| 1767 | $category = Database::fetch_array($result, 'ASSOC'); |
||
| 1768 | |||
| 1769 | return $category; |
||
| 1770 | } |
||
| 1771 | |||
| 1772 | /** |
||
| 1773 | * It gets the category by a specific name. |
||
| 1774 | * |
||
| 1775 | * @param string $name |
||
| 1776 | * |
||
| 1777 | * @return array |
||
| 1778 | */ |
||
| 1779 | public static function getCategoryByName($name) |
||
| 1791 | } |
||
| 1792 | |||
| 1793 | /** |
||
| 1794 | * Move a link up in its category. |
||
| 1795 | * |
||
| 1796 | * @param int $id |
||
| 1797 | * |
||
| 1798 | * @return bool |
||
| 1799 | */ |
||
| 1800 | public static function moveLinkUp($id) |
||
| 1801 | { |
||
| 1802 | return self::moveLinkDisplayOrder($id, 'ASC'); |
||
| 1803 | } |
||
| 1804 | |||
| 1805 | /** |
||
| 1806 | * Move a link down in its category. |
||
| 1807 | * |
||
| 1808 | * @param int $id |
||
| 1809 | * |
||
| 1810 | * @return bool |
||
| 1811 | */ |
||
| 1812 | public static function moveLinkDown($id) |
||
| 1815 | } |
||
| 1816 | |||
| 1817 | public static function checkUrl(string $url): bool |
||
| 1818 | { |
||
| 1819 | $defaults = [ |
||
| 1820 | 'allow_redirects' => [ |
||
| 1821 | 'max' => 5, // max number of redirects allowed |
||
| 1822 | 'strict' => true, // whether to use strict redirects or not |
||
| 1823 | 'referer' => true, // whether to add the Referer header when redirecting |
||
| 1824 | 'protocols' => ['http', 'https'], // protocols allowed to be redirected to |
||
| 1825 | 'track_redirects' => true, // whether to keep track of the number of redirects |
||
| 1826 | ], |
||
| 1827 | 'connect_timeout' => 4, |
||
| 1828 | 'timeout' => 4, |
||
| 1829 | ]; |
||
| 1830 | |||
| 1831 | $proxySettings = api_get_configuration_value('proxy_settings'); |
||
| 1832 | |||
| 1833 | if (!empty($proxySettings) && |
||
| 1834 | isset($proxySettings['curl_setopt_array']) |
||
| 1835 | ) { |
||
| 1836 | $defaults['proxy'] = sprintf( |
||
| 1837 | '%s:%s', |
||
| 1838 | $proxySettings['curl_setopt_array']['CURLOPT_PROXY'], |
||
| 1839 | $proxySettings['curl_setopt_array']['CURLOPT_PROXYPORT'] |
||
| 1840 | ); |
||
| 1841 | } |
||
| 1842 | |||
| 1843 | $client = new Client(['defaults' => $defaults]); |
||
| 1844 | |||
| 1845 | try { |
||
| 1846 | $responseIpv6 = $client->get($url); |
||
| 1847 | |||
| 1848 | if (200 === $responseIpv6->getStatusCode()) { |
||
| 1849 | return true; |
||
| 1850 | } |
||
| 1851 | } catch (Exception $e) { |
||
| 1852 | try { |
||
| 1853 | $responseIpv4 = $client->request('GET', $url, ['force_ip_resolve' => 'v4']); |
||
| 1854 | |||
| 1855 | if (200 === $responseIpv4->getStatusCode()) { |
||
| 1856 | return true; |
||
| 1857 | } |
||
| 1858 | } catch (Exception $e) { |
||
| 1859 | return false; |
||
| 1860 | } |
||
| 1861 | } |
||
| 1862 | |||
| 1863 | return false; |
||
| 1864 | } |
||
| 1865 | |||
| 1866 | /** |
||
| 1867 | * Move a link inside its category (display_order field). |
||
| 1868 | * |
||
| 1869 | * @param int $id The link ID |
||
| 1870 | * @param string $direction The direction to sort the links |
||
| 1871 | * |
||
| 1872 | * @return bool |
||
| 1873 | */ |
||
| 1874 | private static function moveLinkDisplayOrder($id, $direction) |
||
| 1923 | } |
||
| 1924 | } |
||
| 1925 |
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