gnu-social/plugins/YammerImport/classes/Yammer_notice_stub.php

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<?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 $created; // datetime
/**
* Return schema definition to set this table up in onCheckSchema
*/
static function schemaDef($field)
{
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_INT + 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);
}
/**
* 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;
}
/**
* Save a mapping between a remote Yammer and local imported user.
*
* @param integer $user_id ID of the status in StatusNet
*
* @return Yammer_notice_stub new object for this value
*/
static function retrieve($orig_id)
{
$stub = self::staticGet('id', $orig_id);
if ($stub) {
return json_decode($stub->json_data, true);
} else {
return false;
}
}
}