3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Test\Util\Database;
24 use Friendica\Database\Database;
25 use Friendica\Database\DatabaseException;
30 * Overrides the Friendica database class for re-using the connection
33 * Overrides functionality to enforce one transaction per call (for nested transactions)
35 class StaticDatabase extends Database
40 private static $staticConnection;
43 * Override the behaviour of connect, due there is just one, static connection at all
47 public function connect()
49 if (!is_null($this->connection) && $this->connected()) {
53 if (!isset(self::$staticConnection)) {
54 self::statConnect($_SERVER);
57 $this->driver = 'pdo';
58 $this->connection = self::$staticConnection;
59 $this->connected = true;
60 $this->emulate_prepares = false;
62 return $this->connected;
66 * Override the transaction since there are now hierachical transactions possible
70 public function transaction()
72 if (!$this->in_transaction && !$this->connection->beginTransaction()) {
76 $this->in_transaction = true;
83 * @return bool Was the command executed successfully?
85 public function commit()
87 if (!$this->performCommit()) {
90 $this->in_transaction = false;
95 * Setup of the global, static connection
96 * Either through explicit calling or through implicit using the Database
98 * @param array $server $_SERVER variables
102 public static function statConnect(array $server)
104 // Use environment variables for mysql if they are set beforehand
105 if (!empty($server['MYSQL_HOST'])
106 && (!empty($server['MYSQL_USERNAME']) || !empty($server['MYSQL_USER']))
107 && $server['MYSQL_PASSWORD'] !== false
108 && !empty($server['MYSQL_DATABASE']))
110 $db_host = $server['MYSQL_HOST'];
111 if (!empty($server['MYSQL_PORT'])) {
112 $db_host .= ':' . $server['MYSQL_PORT'];
115 if (!empty($server['MYSQL_USERNAME'])) {
116 $db_user = $server['MYSQL_USERNAME'];
118 $db_user = $server['MYSQL_USER'];
120 $db_pw = (string) $server['MYSQL_PASSWORD'];
121 $db_data = $server['MYSQL_DATABASE'];
124 if (empty($db_host) || empty($db_user) || empty($db_data)) {
125 throw new DatabaseException('Either one of the following settings are missing: Host, User or Database', 999, 'CONNECT');
129 $serveraddr = trim($db_host);
130 $serverdata = explode(':', $serveraddr);
131 $server = $serverdata[0];
132 if (count($serverdata) > 1) {
133 $port = trim($serverdata[1]);
135 $server = trim($server);
136 $user = trim($db_user);
137 $pass = trim($db_pw ?? '');
138 $db = trim($db_data);
140 if (!(strlen($server) && strlen($user))) {
144 $connect = "mysql:host=" . $server . ";dbname=" . $db;
147 $connect .= ";port=" . $port;
151 self::$staticConnection = @new ExtendedPDO($connect, $user, $pass);
152 self::$staticConnection->setAttribute(PDO::ATTR_AUTOCOMMIT,0);
153 } catch (PDOException $e) {
154 /// @TODO At least log exception, don't ignore it!
159 * @return ExtendedPDO The global, static connection
161 public static function getGlobConnection()
163 return self::$staticConnection;
167 * Perform a global commit for every nested transaction of the static connection
169 public static function statCommit()
171 if (isset(self::$staticConnection)) {
172 while (self::$staticConnection->getTransactionDepth() > 0) {
173 self::$staticConnection->commit();
179 * Perform a global rollback for every nested transaction of the static connection
181 public static function statRollback()
183 if (isset(self::$staticConnection)) {
184 while (self::$staticConnection->getTransactionDepth() > 0) {
185 self::$staticConnection->rollBack();