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Diffstat (limited to 'plugins/YammerImport/classes/Yammer_notice_stub.php')
| -rw-r--r-- | plugins/YammerImport/classes/Yammer_notice_stub.php | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/plugins/YammerImport/classes/Yammer_notice_stub.php b/plugins/YammerImport/classes/Yammer_notice_stub.php new file mode 100644 index 000000000..e10300c4c --- /dev/null +++ b/plugins/YammerImport/classes/Yammer_notice_stub.php @@ -0,0 +1,183 @@ +<?php +/** + * Data class for remembering Yammer import mappings + * + * PHP version 5 + * + * @category Data + * @package StatusNet + * @author Brion Vibber <brion@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); +} + +/** + * Temporary storage for imported Yammer messages between fetching and saving + * as local notices. + * + * The Yammer API only allows us to page down from the most recent items; in + * order to start saving the oldest notices first, we have to pull them all + * down in reverse chronological order, then go back over them from oldest to + * newest and actually save them into our notice table. + */ + +class Yammer_notice_stub extends Memcached_DataObject +{ + public $__table = 'yammer_notice_stub'; // table name + public $id; // int primary_key not_null + public $json_data; // text + 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 $v Value to lookup + * + * @return Yammer_notice_stub object found, or null for no hits + * + */ + + function staticGet($k, $v=null) + { + return Memcached_DataObject::staticGet('Yammer_notice_stub', $k, $v); + } + + /** + * Return schema definition to set this table up in onCheckSchema + */ + static function schemaDef() + { + return array(new ColumnDef('id', 'bigint', null, + false, 'PRI'), + new ColumnDef('json_data', 'text', null, + false), + new ColumnDef('created', 'datetime', null, + false)); + } + + /** + * return table definition for DB_DataObject + * + * DB_DataObject needs to know something about the table to manipulate + * instances. This method provides all the DB_DataObject needs to know. + * + * @return array array of column definitions + */ + + function table() + { + return array('id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL, + 'json_data' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL, + 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL); + } + + /** + * return key definitions for DB_DataObject + * + * DB_DataObject needs to know about keys that the table has, since it + * won't appear in StatusNet's own keys list. In most cases, this will + * simply reference your keyTypes() function. + * + * @return array list of key field names + */ + + function keys() + { + return array_keys($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('id' => '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); + } + + /** + * Decode the stored data structure. + * + * @return mixed + */ + public function getData() + { + return json_decode($this->json_data, true); + } + + /** + * Save the native Yammer API representation of a message for the pending + * import. Since they come in in reverse chronological order, we need to + * record them all as stubs and then go through from the beginning and + * save them as native notices, or we'll lose ordering and threading + * data. + * + * @param integer $orig_id ID of the notice on Yammer + * @param array $data the message record fetched out of Yammer API returnd data + * + * @return Yammer_notice_stub new object for this value + */ + + static function record($orig_id, $data) + { + common_debug("Recording Yammer message stub {$orig_id} for pending import..."); + + $stub = new Yammer_notice_stub(); + + $stub->id = $orig_id; + $stub->json_data = json_encode($data); + $stub->created = common_sql_now(); + + $stub->insert(); + + return $stub; + } +} |