*/ use dokuwiki\Extension\Event; use dokuwiki\plugin\struct\meta\StructException; class helper_plugin_struct_db extends DokuWiki_Plugin { /** @var \dokuwiki\plugin\sqlite\SQLiteDB */ protected $sqlite; /** * helper_plugin_struct_db constructor. */ public function __construct() { $this->init(); } /** * Initialize the database * * @throws Exception */ protected function init() { try { /** @var \dokuwiki\plugin\sqlite\SQLiteDB $sqlite */ $this->sqlite = new \dokuwiki\plugin\sqlite\SQLiteDB('struct', DOKU_PLUGIN . 'struct/db/'); } catch (Exception $exception) { if (defined('DOKU_UNITTEST')) throw new \Exception('Couldn\'t load sqlite.'); return; } // register our JSON function with variable parameters $this->sqlite->getPdo()->sqliteCreateFunction('STRUCT_JSON', [$this, 'STRUCT_JSON'], -1); // this function is meant to be overwritten by plugins $this->sqlite->getPdo()->sqliteCreateFunction('IS_PUBLISHER', [$this, 'IS_PUBLISHER'], -1); } /** * @param bool $throw throw an Exception when sqlite not available * @return \dokuwiki\plugin\sqlite\SQLiteDB|null */ public function getDB($throw = true) { global $conf; $len = strlen($conf['metadir']); if ($this->sqlite && $conf['metadir'] != substr($this->sqlite->getDbFile(), 0, $len)) { $this->init(); } if (!$this->sqlite && $throw) { throw new StructException('no sqlite'); } return $this->sqlite; } /** * Completely remove the database and reinitialize it * * You do not want to call this except for testing! */ public function resetDB() { if (!$this->sqlite) return; $file = $this->sqlite->getDbFile(); if (!$file) return; unlink($file); clearstatcache(true, $file); $this->init(); } /** * Encodes all given arguments into a JSON encoded array * * @param string ... * @return string */ public function STRUCT_JSON() // phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps { $args = func_get_args(); return json_encode($args); } /** * This dummy implementation can be overwritten by a plugin * * @return int */ public function IS_PUBLISHER() // phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps { return 1; } } // vim:ts=4:sw=4:et: