'" . $row['tree_pos'] . "'"); Database::query("DELETE FROM $tbl_category WHERE code='$node'"); if (!empty($row['parent_id'])) { updateCategoryChildren($row['parent_id']); } } } /** * @param string $code * @param string $name * @param string $canHaveCourses * @param string $old_code * @return bool */ function editNode($code, $name, $canHaveCourses, $old_code) { $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $code = trim(Database::escape_string($code)); $name = trim(Database::escape_string($name)); $old_code = Database::escape_string($old_code); $canHaveCourses = Database::escape_string($canHaveCourses); $code = generate_course_code($code); // Updating category $sql = "UPDATE $tbl_category SET name='$name', code='$code', auth_course_child = '$canHaveCourses' WHERE code = '$old_code'"; Database::query($sql); // Updating children $sql = "UPDATE $tbl_category SET parent_id = '$code' WHERE parent_id = '$old_code'"; Database::query($sql); // Updating course category $sql = "UPDATE $tbl_course SET category_code = '$code' WHERE category_code = '$old_code' "; Database::query($sql); return true; } /** * @param string $code * @param string $tree_pos * @param int $parent_id * @return bool */ function moveNodeUp($code, $tree_pos, $parent_id) { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $code = Database::escape_string($code); $tree_pos = Database::escape_string($tree_pos); $parent_id = Database::escape_string($parent_id); $sql = "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"; $result = Database::query($sql); if (!$row = Database::fetch_array($result)) { $sql = "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"; $result2 = Database::query($sql); if (!$row2 = Database::fetch_array($result2)) { return false; } } Database::query("UPDATE $tbl_category SET tree_pos='" . $row['tree_pos'] . "' WHERE code='$code'"); Database::query("UPDATE $tbl_category SET tree_pos='$tree_pos' WHERE code='$row[code]'"); } /** * @param $pere * @param $cpt * @return mixed */ function compterFils($pere, $cpt) { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $pere = Database::escape_string($pere); $result = Database::query("SELECT code FROM $tbl_category WHERE parent_id='$pere'"); while ($row = Database::fetch_array($result)) { $cpt = compterFils($row['code'], $cpt); } return ($cpt + 1); } /** * @param string $categoryCode * @return array */ function getChildren($categoryCode) { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $categoryCode = Database::escape_string($categoryCode); $result = Database::query("SELECT code, id FROM $tbl_category WHERE parent_id = '$categoryCode'"); $children = array(); while ($row = Database::fetch_array($result, 'ASSOC')) { $children[] = $row; $subChildren = getChildren($row['code']); $children = array_merge($children, $subChildren); } return $children; } function getParents($categoryCode) { if (empty($categoryCode)) { return array(); } $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $categoryCode = Database::escape_string($categoryCode); $sql = "SELECT code, parent_id FROM $tbl_category WHERE code = '$categoryCode'"; $result = Database::query($sql); $children = array(); while ($row = Database::fetch_array($result, 'ASSOC')) { $parent = getCategory($row['parent_id']); $children[] = $row; $subChildren = getParents($parent['code']); $children = array_merge($children, $subChildren); } return $children; } function getParentsToString($categoryCode) { $parents = getParents($categoryCode); if (!empty($parents)) { $parents = array_reverse($parents); $categories = array(); foreach ($parents as $category) { $categories[] = $category['code']; } $categoriesInString = implode(' > ', $categories).' > '; return $categoriesInString; } return null; } /** * @param string $categorySource * @return string */ function listCategories($categorySource) { $categorySource = isset($categorySource) ? $categorySource : null; $categories = getCategories($categorySource); if (count($categories) > 0) { $table = new HTML_Table(array('class' => 'data_table')); $column = 0; $row = 0; $headers = array( get_lang('Category'), get_lang('CategoriesNumber'), get_lang('Courses'), get_lang('Actions') ); foreach ($headers as $header) { $table->setHeaderContents($row, $column, $header); $column++; } $row++; $mainUrl = api_get_path(WEB_CODE_PATH).'admin/course_category.php?category='.$categorySource; $editIcon = Display::return_icon('edit.png', get_lang('EditNode'), null, ICON_SIZE_SMALL); $deleteIcon = Display::return_icon('delete.png', get_lang('DeleteNode'), null, ICON_SIZE_SMALL); $moveIcon = Display::return_icon('up.png', get_lang('UpInSameLevel'), null, ICON_SIZE_SMALL); foreach ($categories as $category) { $editUrl = $mainUrl.'&id='.$category['code'].'&action=edit'; $moveUrl = $mainUrl.'&id='.$category['code'].'&action=moveUp&tree_pos='.$category['tree_pos']; $deleteUrl = $mainUrl.'&id='.$category['code'].'&action=delete'; $actions = Display::url($editIcon, $editUrl).Display::url($moveIcon, $moveUrl).Display::url($deleteIcon, $deleteUrl); $url = api_get_path(WEB_CODE_PATH).'admin/course_category.php?category='.$category['code']; $title = Display::url( Display::return_icon('folder_document.gif', get_lang('OpenNode'), null, ICON_SIZE_SMALL).' '.$category['name'], $url ); $content = array( $title, $category['children_count'], $category['nbr_courses'], $actions ); $column = 0; foreach ($content as $value) { $table->setCellContents($row, $column, $value); $column++; } $row++; } return $table->toHtml(); } else { return Display::return_message(get_lang("NoCategories"), 'warning'); } } /** * @return array */ function getCategoriesToDisplayInHomePage() { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $sql = "SELECT name FROM $tbl_category WHERE parent_id IS NULL ORDER BY tree_pos"; return Database::store_result(Database::query($sql)); } /** * @param int $id * @return bool */ function addToUrl($id) { if (!isMultipleUrlSupport()) { return false; } UrlManager::addCourseCategoryListToUrl(array($id), array(api_get_current_access_url_id())); } /** * @param string $categoryCode * @return array */ function getCategoriesCanBeAddedInCourse($categoryCode) { $conditions = null; $whereCondition = null; if (isMultipleUrlSupport()) { $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); } $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $sql = "SELECT code, name FROM $tbl_category c $conditions WHERE (auth_course_child = 'TRUE' OR code = '".Database::escape_string($categoryCode)."') $whereCondition ORDER BY tree_pos"; $res = Database::query($sql); $categories[''] = '-'; while ($cat = Database::fetch_array($res)) { $categories[$cat['code']] = '('.$cat['code'].') '.$cat['name']; ksort($categories); } return $categories; } /** * @return array */ function browseCourseCategories() { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $conditions = null; $whereCondition = null; if (isMultipleUrlSupport()) { $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; $whereCondition = " WHERE a.access_url_id = ".api_get_current_access_url_id(); } $sql = "SELECT c.* FROM $tbl_category c $conditions $whereCondition ORDER BY tree_pos ASC"; $result = Database::query($sql); $url_access_id = 1; if (api_is_multiple_url_enabled()) { $url_access_id = api_get_current_access_url_id(); } $countCourses = CourseManager :: countAvailableCourses($url_access_id); $categories = array(); $categories[0][0] = array( 'id' => 0, 'name' => get_lang('DisplayAll'), 'code' => 'ALL', 'parent_id' => null, 'tree_pos' => 0, 'count_courses' => $countCourses ); while ($row = Database::fetch_array($result)) { $count_courses = countCoursesInCategory($row['code']); $row['count_courses'] = $count_courses; if (!isset($row['parent_id'])) { $categories[0][$row['tree_pos']] = $row; } else { $categories[$row['parent_id']][$row['tree_pos']] = $row; } } $count_courses = countCoursesInCategory(); $categories[0][count($categories[0])+1] = array( 'id' =>0, 'name' => get_lang('None'), 'code' => 'NONE', 'parent_id' => null, 'tree_pos' => $row['tree_pos']+1, 'children_count' => 0, 'auth_course_child' => true, 'auth_cat_child' => true, 'count_courses' => $count_courses ); return $categories; } /** * @param string $category_code * @return int */ function countCoursesInCategory($category_code="") { global $_configuration; $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); $TABLE_COURSE_FIELD = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD); $TABLE_COURSE_FIELD_VALUE = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES); // get course list auto-register $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 "; $special_course_result = Database::query($sql); if (Database::num_rows($special_course_result) > 0) { $special_course_list = array(); while ($result_row = Database::fetch_array($special_course_result)) { $special_course_list[] = '"' . $result_row['course_code'] . '"'; } } $without_special_courses = ''; if (!empty($special_course_list)) { $without_special_courses = ' AND course.code NOT IN (' . implode(',', $special_course_list) . ')'; } if (isset($_configuration['course_catalog_hide_private'])) { if ($_configuration['course_catalog_hide_private'] == true) { $courseInfo = api_get_course_info(); $courseVisibility = $courseInfo['visibility']; $visibilityCondition = ' AND course.visibility <> 1'; } } $sql = "SELECT * FROM $tbl_course WHERE visibility != '0' AND visibility != '4' AND category_code" . "='" . $category_code . "'" . $without_special_courses. $visibilityCondition; // Showing only the courses of the current portal access_url_id. if (api_is_multiple_url_enabled()) { $url_access_id = api_get_current_access_url_id(); if ($url_access_id != -1) { $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course ON (url_rel_course.course_code=course.code) WHERE access_url_id = $url_access_id AND course.visibility != '0' AND course.visibility != '4' AND category_code" . "='" . $category_code . "'" . $without_special_courses. $visibilityCondition; } } return Database::num_rows(Database::query($sql)); } /** * @param string $category_code * @param string $random_value * @return array */ function browseCoursesInCategory($category_code, $random_value = null) { global $_configuration; $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); $TABLE_COURSE_FIELD = Database::get_main_table(TABLE_MAIN_COURSE_FIELD); $TABLE_COURSE_FIELD_VALUE = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES); // Get course list auto-register $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 "; $special_course_result = Database::query($sql); if (Database::num_rows($special_course_result) > 0) { $special_course_list = array(); while ($result_row = Database::fetch_array($special_course_result)) { $special_course_list[] = '"' . $result_row['course_code'] . '"'; } } $without_special_courses = ''; if (!empty($special_course_list)) { $without_special_courses = ' AND course.code NOT IN (' . implode(',', $special_course_list) . ')'; } if (isset($_configuration['course_catalog_hide_private'])) { if ($_configuration['course_catalog_hide_private'] == true) { $courseInfo = api_get_course_info(); $courseVisibility = $courseInfo['visibility']; $visibilityCondition = ' AND course.visibility <> 1'; } } if (!empty($random_value)) { $random_value = intval($random_value); $sql = "SELECT COUNT(*) FROM $tbl_course"; $result = Database::query($sql); list($num_records) = Database::fetch_row($result); if (api_is_multiple_url_enabled()) { $url_access_id = api_get_current_access_url_id(); $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $sql = "SELECT COUNT(*) FROM $tbl_course course INNER JOIN $tbl_url_rel_course as url_rel_course ON (url_rel_course.course_code=course.code) WHERE access_url_id = $url_access_id "; $result = Database::query($sql); list($num_records) = Database::fetch_row($result); $sql = "SELECT course.id FROM $tbl_course course INNER JOIN $tbl_url_rel_course as url_rel_course ON (url_rel_course.course_code=course.code) WHERE access_url_id = $url_access_id AND RAND()*$num_records< $random_value $without_special_courses $visibilityCondition ORDER BY RAND() LIMIT 0, $random_value"; } else { $sql = "SELECT id FROM $tbl_course course WHERE RAND()*$num_records< $random_value $without_special_courses $visibilityCondition ORDER BY RAND() LIMIT 0, $random_value"; } $result = Database::query($sql); $id_in = null; while (list($id) = Database::fetch_row($result)) { if ($id_in) { $id_in.=",$id"; } else { $id_in = "$id"; } } $sql = "SELECT * FROM $tbl_course WHERE id IN($id_in)"; } else { $category_code = Database::escape_string($category_code); if (empty($category_code) || $category_code == "ALL") { $sql = "SELECT * FROM $tbl_course WHERE 1=1 $without_special_courses $visibilityCondition ORDER BY title "; } else { if ($category_code == 'NONE') { $category_code = ''; } $sql = "SELECT * FROM $tbl_course WHERE category_code='$category_code' $without_special_courses $visibilityCondition ORDER BY title "; } //showing only the courses of the current Chamilo access_url_id if (api_is_multiple_url_enabled()) { $url_access_id = api_get_current_access_url_id(); $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); if ($category_code != "ALL") { $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course ON (url_rel_course.course_code=course.code) WHERE access_url_id = $url_access_id AND category_code='$category_code' $without_special_courses $visibilityCondition ORDER BY title"; } else{ $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course ON (url_rel_course.course_code=course.code) WHERE access_url_id = $url_access_id $without_special_courses $visibilityCondition ORDER BY title"; } } } $result = Database::query($sql); $courses = array(); while ($row = Database::fetch_array($result)) { $row['registration_code'] = !empty($row['registration_code']); $count_users = CourseManager::get_users_count_in_course($row['code']); $count_connections_last_month = Tracking::get_course_connections_count($row['code'], 0, api_get_utc_datetime(time() - (30 * 86400))); if ($row['tutor_name'] == '0') { $row['tutor_name'] = get_lang('NoManager'); } $point_info = CourseManager::get_course_ranking($row['id'], 0); $courses[] = array( 'real_id' => $row['id'], 'point_info' => $point_info, 'code' => $row['code'], 'directory' => $row['directory'], 'db' => $row['db_name'], 'visual_code' => $row['visual_code'], 'title' => $row['title'], 'tutor' => $row['tutor_name'], 'subscribe' => $row['subscribe'], 'unsubscribe' => $row['unsubscribe'], 'registration_code' => $row['registration_code'], 'creation_date' => $row['creation_date'], 'visibility' => $row['visibility'], 'count_users' => $count_users, 'count_connections' => $count_connections_last_month ); } return $courses; } /** * create recursively all categories as option of the select passed in parameter. * * @param HTML_QuickForm_Element $element * @param string $defaultCode the option value to select by default (used mainly for edition of courses) * @param string $parentCode the parent category of the categories added (default=null for root category) * @param string $padding the indent param (you shouldn't indicate something here) */ function setCategoriesInForm($element, $defaultCode = null, $parentCode = null, $padding = null) { $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY); $conditions = null; $whereCondition = null; if (isMultipleUrlSupport()) { $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); } $sql = "SELECT code, name, auth_course_child, auth_cat_child FROM ".$tbl_category." c $conditions WHERE parent_id ".(empty($parentCode) ? "IS NULL" : "='".Database::escape_string($parentCode)."'")." $whereCondition ORDER BY name, code"; $res = Database::query($sql); while ($cat = Database::fetch_array($res, 'ASSOC')) { $params = $cat['auth_course_child'] == 'TRUE' ? '' : 'disabled'; $params .= ($cat['code'] == $defaultCode) ? ' selected' : ''; $option = $padding.' '.$cat['name'].' ('.$cat['code'].')'; $element->addOption($option, $cat['code'], $params); if ($cat['auth_cat_child'] == 'TRUE') { setCategoriesInForm($element, $defaultCode, $cat['code'], $padding.' - '); } } } /** * @param array $list * @return array */ function getCourseCategoryNotInList($list) { $table = Database::get_main_table(TABLE_MAIN_CATEGORY); if (empty($list)) { return array(); } $list = array_map('intval', $list); $listToString = implode("','", $list); $sql = "SELECT * FROM $table WHERE id NOT IN ('$listToString') AND (parent_id IS NULL) "; $result = Database::query($sql); return Database::store_result($result, 'ASSOC'); } /** * @param string $keyword * @return array|null */ function searchCategoryByKeyword($keyword) { if (empty($keyword)) { return null; } $tableCategory = Database::get_main_table(TABLE_MAIN_CATEGORY); $conditions = null; $whereCondition = null; if (isMultipleUrlSupport()) { $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); } $keyword = Database::escape_string($keyword); $sql = "SELECT c.*, c.name as text FROM $tableCategory c $conditions WHERE (c.code LIKE '%$keyword%' or name LIKE '%$keyword%') AND auth_course_child = 'TRUE' $whereCondition "; $result = Database::query($sql); return Database::store_result($result, 'ASSOC'); } /** * @param array $list * @return array */ function searchCategoryById($list) { if (empty($list)) { return array(); } else { $list = array_map('intval', $list); $list = implode("','", $list); } $tableCategory = Database::get_main_table(TABLE_MAIN_CATEGORY); $conditions = null; $whereCondition = null; if (isMultipleUrlSupport()) { $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY); $conditions = " INNER JOIN $table a ON (c.id = a.course_category_id)"; $whereCondition = " AND a.access_url_id = ".api_get_current_access_url_id(); } $sql = "SELECT c.*, c.name as text FROM $tableCategory c $conditions WHERE c.id IN $list $whereCondition"; $result = Database::query($sql); return Database::store_result($result, 'ASSOC'); } /** CREATE TABLE IF NOT EXISTS access_url_rel_course_category (access_url_id int unsigned NOT NULL, course_category_id int unsigned NOT NULL, PRIMARY KEY (access_url_id, course_category_id)); */