* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 * @link http://status.net/ * * StatusNet - the distributed open-source microblogging tool * Copyright (C) 2010, StatusNet, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ if (!defined('STATUSNET')) { exit(1); } require_once INSTALLDIR . '/classes/Memcached_DataObject.php'; /** * Store various timeline data * * We don't want to keep re-fetching the same statuses and direct messages from Twitter. * So, we store the last ID we see from a timeline, and store it. Next time * around, we use that ID in the since_id parameter. * * @category Action * @package StatusNet * @author Evan Prodromou * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 * @link http://status.net/ * * @see DB_DataObject */ class Twitter_synch_status extends Managed_DataObject { public $__table = 'twitter_synch_status'; // table name public $foreign_id; // int(4) primary_key not_null public $timeline; // varchar(255) primary_key not_null public $last_id; // bigint not_null public $created; // datetime not_null public $modified; // datetime not_null /** * Get an instance by key * * @param string $k Key to use to lookup (usually 'foreign_id' for this class) * @param mixed $v Value to lookup * * @return Twitter_synch_status object found, or null for no hits */ static function staticGet($k, $v=null) { throw new Exception("Use pkeyGet() for this class."); } /** * Get an instance by compound primary key * * @param array $kv key-value pair array * * @return Twitter_synch_status object found, or null for no hits * */ function pkeyGet($kv) { return Memcached_DataObject::pkeyGet('Twitter_synch_status', $kv); } /** * return table definition for DB_DataObject * * DB_DataObject needs to know something about the table to manipulate * instances. This method provides all the DB_DataObject needs to know. * * @return array array of column definitions */ function table() { return array('foreign_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL, 'timeline' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL, 'last_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL, 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL, 'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL ); } /** * return key definitions for DB_DataObject * * DB_DataObject needs to know about keys that the table has, since it * won't appear in StatusNet's own keys list. In most cases, this will * simply reference your keyTypes() function. * * @return array list of key field names */ function keys() { return array_keys($this->keyTypes()); } /** * return key definitions for Memcached_DataObject * * Our caching system uses the same key definitions, but uses a different * method to get them. This key information is used to store and clear * cached data, so be sure to list any key that will be used for static * lookups. * * @return array associative array of key definitions, field name to type: * 'K' for primary key: for compound keys, add an entry for each component; * 'U' for unique keys: compound keys are not well supported here. */ function keyTypes() { return array('foreign_id' => 'K', 'timeline' => 'K'); } /** * Magic formula for non-autoincrementing integer primary keys * * If a table has a single integer column as its primary key, DB_DataObject * assumes that the column is auto-incrementing and makes a sequence table * to do this incrementation. Since we don't need this for our class, we * overload this method and return the magic formula that DB_DataObject needs. * * @return array magic three-false array that stops auto-incrementing. */ function sequenceKey() { return array(false, false, false); } static function getLastId($foreign_id, $timeline) { $tss = self::pkeyGet(array('foreign_id' => $foreign_id, 'timeline' => $timeline)); if (empty($tss)) { return null; } else { return $tss->last_id; } } static function setLastId($foreign_id, $timeline, $last_id) { $tss = self::pkeyGet(array('foreign_id' => $foreign_id, 'timeline' => $timeline)); if (empty($tss)) { $tss = new Twitter_synch_status(); $tss->foreign_id = $foreign_id; $tss->timeline = $timeline; $tss->last_id = $last_id; $tss->created = common_sql_now(); $tss->modified = $tss->created; $tss->insert(); return true; } else { $orig = clone($tss); $tss->last_id = $last_id; $tss->modified = common_sql_now(); $tss->update(); return true; } } }