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Diffstat (limited to 'plugins/FacebookSSO/classes/Notice_to_item.php')
| -rw-r--r-- | plugins/FacebookSSO/classes/Notice_to_item.php | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/plugins/FacebookSSO/classes/Notice_to_item.php b/plugins/FacebookSSO/classes/Notice_to_item.php new file mode 100644 index 000000000..a6a803034 --- /dev/null +++ b/plugins/FacebookSSO/classes/Notice_to_item.php @@ -0,0 +1,190 @@ +<?php +/** + * Data class for storing notice-to-Facebook-item mappings + * + * PHP version 5 + * + * @category Data + * @package StatusNet + * @author Zach Copley <zach@status.net> + * @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 <http://www.gnu.org/licenses/>. + */ + +if (!defined('STATUSNET')) { + exit(1); +} + +require_once INSTALLDIR . '/classes/Memcached_DataObject.php'; + +/** + * Data class for mapping notices to Facebook stream items + * + * Note that notice_id is unique only within a single database; if you + * want to share this data for some reason, get the notice's URI and use + * that instead, since it's universally unique. + * + * @category Action + * @package StatusNet + * @author Zach Copley <zach@status.net> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://status.net/ + * + * @see DB_DataObject + */ + +class Notice_to_item extends Memcached_DataObject +{ + public $__table = 'notice_to_item'; // table name + public $notice_id; // int(4) primary_key not_null + public $item_id; // varchar(255) not null + public $created; // datetime + + /** + * Get an instance by key + * + * This is a utility method to get a single instance with a given key value. + * + * @param string $k Key to use to lookup + * @param mixed $v Value to lookup + * + * @return Notice_to_item object found, or null for no hits + * + */ + + function staticGet($k, $v=null) + { + return Memcached_DataObject::staticGet('Notice_to_item', $k, $v); + } + + /** + * return table definition for DB_DataObject + * + * DB_DataObject needs to know something about the table to manipulate + * instances. This method provides all the DB_DataObject needs to know. + * + * @return array array of column definitions + */ + + function table() + { + return array( + 'notice_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL, + 'item_id' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL, + 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL + ); + } + + static function schemaDef() + { + return array( + new ColumnDef('notice_id', 'integer', null, false, 'PRI'), + new ColumnDef('item_id', 'varchar', 255, false, 'UNI'), + new ColumnDef('created', 'datetime', null, false) + ); + } + + /** + * return key definitions for DB_DataObject + * + * DB_DataObject needs to know about keys that the table has, since it + * won't appear in StatusNet's own keys list. In most cases, this will + * simply reference your keyTypes() function. + * + * @return array list of key field names + */ + + function keys() + { + return array_keys($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('notice_id' => 'K', 'item_id' => 'U'); + } + + /** + * 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); + } + + /** + * Save a mapping between a notice and a Facebook item + * + * @param integer $notice_id ID of the notice in StatusNet + * @param integer $item_id ID of the stream item on Facebook + * + * @return Notice_to_item new object for this value + */ + + static function saveNew($notice_id, $item_id) + { + $n2i = Notice_to_item::staticGet('notice_id', $notice_id); + + if (!empty($n2i)) { + return $n2i; + } + + $n2i = Notice_to_item::staticGet('item_id', $item_id); + + if (!empty($n2i)) { + return $n2i; + } + + common_debug( + "Mapping notice {$notice_id} to Facebook item {$item_id}", + __FILE__ + ); + + $n2i = new Notice_to_item(); + + $n2i->notice_id = $notice_id; + $n2i->item_id = $item_id; + $n2i->created = common_sql_now(); + + $n2i->insert(); + + return $n2i; + } +} |