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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);
}
/**
* Common base class for the Yammer import mappings for users, groups, and notices.
*
* Child classes must override these static methods, since we need to run
* on PHP 5.2.x which has no late static binding:
* - staticGet (as our other classes)
* - schemaDef (call self::doSchemaDef)
* - record (call self::doRecord)
*/
class Yammer_common extends Memcached_DataObject
{
public $__table = 'yammer_XXXX'; // table name
public $__field = 'XXXX_id'; // field name to save into
public $id; // int primary_key not_null
public $user_id; // int(4)
public $created; // datetime
/**
* @fixme add a 'references' thing for the foreign key when we support that
*/
protected static function doSchemaDef($field)
{
return array(new ColumnDef('id', 'bigint', null,
false, 'PRI'),
new ColumnDef($field, 'integer', null,
false, 'UNI'),
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,
$this->__field => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
}
/**
* return key definitions for DB_DataObject
*
* DB_DataObject needs to know about keys that the table has, since it
* won't appear in StatusNet's own keys list. In most cases, this will
* simply reference your keyTypes() function.
*
* @return array list of key field names
*/
function keys()
{
return array_keys($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', $this->__field => '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 remote Yammer and local imported user.
*
* @param integer $user_id ID of the status in StatusNet
* @param integer $orig_id ID of the notice in Yammer
*
* @return Yammer_common new object for this value
*/
protected static function doRecord($class, $field, $orig_id, $local_id)
{
$map = parent::staticGet($class, 'id', $orig_id);
if (!empty($map)) {
return $map;
}
$map = parent::staticGet($class, $field, $local_id);
if (!empty($map)) {
return $map;
}
common_debug("Mapping Yammer $field {$orig_id} to local $field {$local_id}");
$map = new $class();
$map->id = $orig_id;
$map->$field = $local_id;
$map->created = common_sql_now();
$map->insert();
return $map;
}
}
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