, * * @param string The URL of the site * @param string The description of the site * @param int is active or not * @param int the user_id of the owner * @return boolean if success */ public static function add($url, $description, $active) { $tms = time(); $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "INSERT INTO $table_access_url SET url = '".Database::escape_string($url)."', description = '".Database::escape_string($description)."', active = '".Database::escape_string($active)."', created_by = '".api_get_user_id()."', tms = FROM_UNIXTIME(".$tms.")"; $result = Database::query($sql); return $result; } /** * Updates an URL access to Dokeos * @author Julio Montoya , * * @param int The url id * @param string The description of the site * @param int is active or not * @param int the user_id of the owner * @return boolean if success */ public static function udpate($url_id, $url, $description, $active) { $url_id = intval($url_id); $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $tms = time(); $sql = "UPDATE $table_access_url SET url = '".Database::escape_string($url)."', description = '".Database::escape_string($description)."', active = '".Database::escape_string($active)."', created_by = '".api_get_user_id()."', tms = FROM_UNIXTIME(".$tms.") WHERE id = '$url_id'"; $result = Database::query($sql); return $result; } /** * Deletes an url * @author Julio Montoya * @param int url id * @return boolean true if success * */ public static function delete($id) { $id = intval($id); $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql= "DELETE FROM $table_access_url WHERE id = ".$id; $result = Database::query($sql); return $result; } /** * * */ public static function url_exist($url) { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."' "; $res = Database::query($sql); $num = Database::num_rows($res); return $num; } /** * * */ public static function url_id_exist($url) { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT id FROM $table_access_url WHERE id = '".Database::escape_string($url)."' "; $res = Database::query($sql); $num = Database::num_rows($res); return $num; } /** * This function get the quantity of URLs * @author Julio Montoya * @return int count of urls * */ public static function url_count() { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT count(id) as count_result FROM $table_access_url"; $res = Database::query($sql); $url = Database::fetch_array($res,'ASSOC'); $result = $url['count_result']; return $result; } /** * Gets the id, url, description, and active status of ALL URLs * @author Julio Montoya * @return array * */ public static function get_url_data() { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT id, url, description, active FROM $table_access_url ORDER BY id"; $res = Database::query($sql); $urls = array (); while ($url = Database::fetch_array($res)) { $urls[] = $url; } return $urls; } /** * Gets the id, url, description, and active status of ALL URLs * @author Julio Montoya * @return array * */ public static function get_url_data_from_id($url_id) { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT id, url, description, active FROM $table_access_url WHERE id = ".Database::escape_string($url_id); $res = Database::query($sql); $row = Database::fetch_array($res); return $row; } /** Gets the inner join of users and urls table * @author Julio Montoya * @param int access url id * @return array Database::store_result of the result * */ public static function get_url_rel_user_data($access_url_id='') { $where = ''; $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $tbl_user = Database :: get_main_table(TABLE_MAIN_USER); if (!empty($access_url_id)) { $where ="WHERE $table_url_rel_user.access_url_id = ".Database::escape_string($access_url_id); } $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username'; $sql="SELECT u.user_id, lastname, firstname, username, access_url_id FROM $tbl_user u INNER JOIN $table_url_rel_user ON $table_url_rel_user.user_id = u.user_id $where".$order_clause; $result=Database::query($sql); $users=Database::store_result($result); return $users; } /** Gets the inner join of access_url and the course table * @author Julio Montoya * @param int access url id * @return array Database::store_result of the result * */ public static function get_url_rel_course_data($access_url_id='') { $where =''; $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE); if (!empty($access_url_id)) $where ="WHERE $table_url_rel_course.access_url_id = ".Database::escape_string($access_url_id); $sql="SELECT course_code, title, access_url_id FROM $tbl_course u INNER JOIN $table_url_rel_course ON $table_url_rel_course.course_code = code $where ORDER BY title, code"; $result=Database::query($sql); $courses=Database::store_result($result); return $courses; } /** Gets the inner join of access_url and the session table * @author Julio Montoya * @param int access url id * @return array Database::store_result of the result * */ public static function get_url_rel_session_data($access_url_id='') { $where =''; $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION); if (!empty($access_url_id)) $where ="WHERE $table_url_rel_session.access_url_id = ".Database::escape_string($access_url_id); $sql="SELECT id, name, access_url_id FROM $tbl_session u INNER JOIN $table_url_rel_session ON $table_url_rel_session.session_id = id $where ORDER BY name, id"; $result=Database::query($sql); $sessions=Database::store_result($result); return $sessions; } /** * Sets the status of an URL 1 or 0 * @author Julio Montoya * @param string lock || unlock * @param int url id * */ public static function set_url_status($status, $url_id) { $url_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL); if ($status=='lock') { $status_db='0'; } if ($status=='unlock') { $status_db='1'; } if(($status_db=='1' OR $status_db=='0') AND is_numeric($url_id)) { $sql="UPDATE $url_table SET active='".Database::escape_string($status_db)."' WHERE id='".Database::escape_string($url_id)."'"; $result = Database::query($sql); } } /** * Checks the relationship between an URL and a User (return the num_rows) * @author Julio Montoya * @param int user id * @param int url id * @return boolean true if success * */ public static function relation_url_user_exist($user_id, $url_id) { $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $sql= "SELECT user_id FROM $table_url_rel_user WHERE access_url_id = ".Database::escape_string($url_id)." AND user_id = ".Database::escape_string($user_id)." "; $result = Database::query($sql); $num = Database::num_rows($result); return $num; } /** * Checks the relationship between an URL and a Course (return the num_rows) * @author Julio Montoya * @param int user id * @param int url id * @return boolean true if success * */ public static function relation_url_course_exist($course_id, $url_id) { $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $sql= "SELECT course_code FROM $table_url_rel_course WHERE access_url_id = ".Database::escape_string($url_id)." AND course_code = '".Database::escape_string($course_id)."'"; $result = Database::query($sql); $num = Database::num_rows($result); return $num; } /** * Checks the relationship between an URL and a Session (return the num_rows) * @author Julio Montoya * @param int user id * @param int url id * @return boolean true if success * */ public static function relation_url_session_exist($session_id, $url_id) { $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $session_id = intval($session_id); $url_id = intval($url_id); $sql= "SELECT session_id FROM $table_url_rel_session WHERE access_url_id = ".Database::escape_string($url_id)." AND session_id = ".Database::escape_string($session_id); $result = Database::query($sql); $num = Database::num_rows($result); return $num; } /** * Add a group of users into a group of URLs * @author Julio Montoya * @param array of user_ids * @param array of url_ids * */ public static function add_users_to_urls($user_list, $url_list) { $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $result_array=array(); if (is_array($user_list) && is_array($url_list)){ foreach ($url_list as $url_id) { foreach ($user_list as $user_id) { $count = UrlManager::relation_url_user_exist($user_id,$url_id); if ($count==0) { $sql = "INSERT INTO $table_url_rel_user SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); if($result) $result_array[$url_id][$user_id]=1; else $result_array[$url_id][$user_id]=0; } } } } return $result_array; } /** * Add a group of courses into a group of URLs * @author Julio Montoya * @param array of course ids * @param array of url_ids * */ public static function add_courses_to_urls($course_list,$url_list) { $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $result_array=array(); if (is_array($course_list) && is_array($url_list)){ foreach ($url_list as $url_id) { foreach ($course_list as $course_code) { $count = UrlManager::relation_url_course_exist($course_code,$url_id); if ($count==0) { $sql = "INSERT INTO $table_url_rel_course SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); if($result) $result_array[$url_id][$course_code]=1; else $result_array[$url_id][$course_code]=0; } } } } return $result_array; } /** * Add a group of sessions into a group of URLs * @author Julio Montoya * @param array of session ids * @param array of url_ids * */ public static function add_sessions_to_urls($session_list,$url_list) { $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $result_array=array(); if (is_array($session_list) && is_array($url_list)){ foreach ($url_list as $url_id) { foreach ($session_list as $session_id) { $count = UrlManager::relation_url_session_exist($session_id,$url_id); if ($count==0) { $sql = "INSERT INTO $table_url_rel_session SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); if($result) $result_array[$url_id][$session_id]=1; else $result_array[$url_id][$session_id]=0; } } } } return $result_array; } /** * Add a user into a url * @author Julio Montoya * @param user_id * @param url_id * @return boolean true if success * */ public static function add_user_to_url($user_id, $url_id = 1) { $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); if (empty($url_id)) $url_id = 1; $count = UrlManager::relation_url_user_exist($user_id,$url_id); $result = true; if (empty($count)) { $sql = "INSERT INTO $table_url_rel_user (user_id, access_url_id) VALUES ('".Database::escape_string($user_id)."', '".Database::escape_string($url_id)."') "; $result = Database::query($sql); } return $result; } public static function add_course_to_url($course_code, $url_id=1) { $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); if (empty($url_id)) $url_id=1; $count = UrlManager::relation_url_course_exist($course_code,$url_id); if (empty($count)) { $sql = "INSERT INTO $table_url_rel_course SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); } return $result; } /** * Inserts a session to a URL (access_url_rel_session table) * @param int Session ID * @param int URL ID * @return bool True on success, false session already exists or insert failed */ public static function add_session_to_url($session_id, $url_id = 1) { $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); if (empty($url_id)) $url_id=1; $result = false; $count = UrlManager::relation_url_session_exist($session_id,$url_id); $session_id = intval($session_id); if (empty($count) && !empty($session_id)) { $url_id = intval($url_id); $sql = "INSERT INTO $table_url_rel_session SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); } return $result; } /** * Deletes an url and user relationship * @author Julio Montoya * @param int user id * @param int url id * @return boolean true if success * */ public static function delete_url_rel_user($user_id, $url_id) { $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $result = true; if (!empty($user_id) && !empty($url_id)) { $sql= "DELETE FROM $table_url_rel_user WHERE user_id = ".Database::escape_string($user_id)." AND access_url_id = ".Database::escape_string($url_id); $result = Database::query($sql); } return $result; } /** * Deletes an url and course relationship * @author Julio Montoya * @param char course code * @param int url id * @return boolean true if success * */ public static function delete_url_rel_course($course_code, $url_id) { $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $sql= "DELETE FROM $table_url_rel_course WHERE course_code = '".Database::escape_string($course_code)."' AND access_url_id=".Database::escape_string($url_id)." "; $result = Database::query($sql); return $result; } /** * Deletes an url and session relationship * @author Julio Montoya * @param char course code * @param int url id * @return boolean true if success * */ public static function delete_url_rel_session($session_id, $url_id) { $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $sql= "DELETE FROM $table_url_rel_session WHERE session_id = ".Database::escape_string($session_id)." AND access_url_id=".Database::escape_string($url_id)." "; $result = Database::query($sql,'ASSOC'); return $result; } /** * Updates the access_url_rel_user table with a given user list * @author Julio Montoya * @param array user list * @param int access_url_id * */ public static function update_urls_rel_user($user_list, $access_url_id) { $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $sql = "SELECT user_id FROM $table_url_rel_user WHERE access_url_id = ".intval($access_url_id); $result = Database::query($sql); $existing_users = array(); //Getting all users while($row = Database::fetch_array($result)){ $existing_users[] = $row['user_id']; } //Adding users $users_added = array(); foreach($user_list as $user_id_to_add) { if (!in_array($user_id_to_add, $existing_users)) { $result = UrlManager::add_user_to_url($user_id_to_add, $access_url_id); if ($result) { $users_added[] = $user_id_to_add; } } } $users_deleted = array(); //deleting old users foreach($existing_users as $user_id_to_delete) { if (!in_array($user_id_to_delete, $user_list)) { $result = UrlManager::delete_url_rel_user($user_id_to_delete, $access_url_id); if ($result) { $users_deleted[] = $user_id_to_delete; } } } if (empty($users_added) && empty($users_deleted)) { return false; } return array('users_added' => $users_added, 'users_deleted' => $users_deleted); } /** * Updates the access_url_rel_course table with a given user list * @author Julio Montoya * @param array user list * @param int access_url_id * */ public static function update_urls_rel_course($course_list,$access_url_id) { $table_course = Database :: get_main_table(TABLE_MAIN_COURSE); $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE); $sql = "SELECT course_code FROM $table_url_rel_course WHERE access_url_id=".intval($access_url_id); $result = Database::query($sql); $existing_courses = array(); while($row = Database::fetch_array($result)){ $existing_courses[] = $row['course_code']; } //adding courses foreach($course_list as $course_code) { if(!in_array($course_code, $existing_courses)) { UrlManager::add_course_to_url($course_code, $access_url_id); $course_info = api_get_course_info($course_code); CourseManager::update_course_ranking($course_info['real_id'], 0, $access_url_id); } } //deleting old courses foreach($existing_courses as $existing_course) { if(!in_array($existing_course, $course_list)) { UrlManager::delete_url_rel_course($existing_course,$access_url_id); $course_info = api_get_course_info($existing_course); CourseManager::update_course_ranking($course_info['real_id'], 0, $access_url_id); } } } /** * Updates the access_url_rel_session table with a given user list * @author Julio Montoya * @param array user list * @param int access_url_id * */ public static function update_urls_rel_session($session_list,$access_url_id) { $table_session = Database :: get_main_table(TABLE_MAIN_SESSION); $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $sql = "SELECT session_id FROM $table_url_rel_session WHERE access_url_id=".Database::escape_string($access_url_id); $result = Database::query($sql); $existing_sessions = array(); while($row = Database::fetch_array($result)){ $existing_sessions[] = $row['session_id']; } //adding users foreach($session_list as $session) { if(!in_array($session, $existing_sessions)) { if (!empty($session) && !empty($access_url_id)) { UrlManager::add_session_to_url($session, $access_url_id); } } } //deleting old users foreach($existing_sessions as $existing_session) { if(!in_array($existing_session, $session_list)) { if (!empty($existing_session) && !empty($access_url_id)) { UrlManager::delete_url_rel_session($existing_session,$access_url_id); } } } } public static function get_access_url_from_user($user_id) { $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER); $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT url, access_url_id FROM $table_url_rel_user url_rel_user INNER JOIN $table_url u ON (url_rel_user.access_url_id = u.id) WHERE user_id = ".Database::escape_string($user_id); $result = Database::query($sql); $url_list = Database::store_result($result,'ASSOC'); return $url_list; } public static function get_access_url_from_session($session_id) { $table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION); $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT url, access_url_id FROM $table_url_rel_session url_rel_session INNER JOIN $table_url u ON (url_rel_session.access_url_id = u.id) WHERE session_id = ".Database::escape_string($session_id); $result = Database::query($sql); $url_list = Database::store_result($result); return $url_list; } /** * * */ public static function get_url_id($url) { $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL); $sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."'"; $result = Database::query($sql); $access_url_id = Database::result($result, 0, 0); return $access_url_id; } }