gnu-social/plugins/SearchSub/SearchSub.php

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<?php
/**
* Data class to store local search subscriptions
*
* PHP version 5
*
* @category SearchSubPlugin
* @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) 2011, 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);
}
/**
* For storing the search subscriptions
*
* @category PollPlugin
* @package StatusNet
* @author Brion Vibber <brion@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* @see DB_DataObject
*/
class SearchSub extends Managed_DataObject
{
public $__table = 'searchsub'; // table name
public $search; // text
public $profile_id; // int -> profile.id
public $created; // datetime
/**
* The One True Thingy that must be defined and declared.
*/
public static function schemaDef()
{
return array(
'description' => 'SearchSubPlugin search subscription records',
'fields' => array(
'search' => array('type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'hash search associated with this subscription'),
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'profile ID of subscribing user'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
),
'primary key' => array('search', 'profile_id'),
'foreign keys' => array(
'searchsub_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
),
'indexes' => array(
'searchsub_created_idx' => array('created'),
'searchsub_profile_id_tag_idx' => array('profile_id', 'search'),
),
);
}
/**
* Start a search subscription!
*
* @param profile $profile subscriber
* @param string $search subscribee
* @return SearchSub
*/
static function start(Profile $profile, $search)
{
$ts = new SearchSub();
$ts->search = $search;
$ts->profile_id = $profile->id;
$ts->created = common_sql_now();
$ts->insert();
self::blow('searchsub:by_profile:%d', $profile->id);
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return $ts;
}
/**
* End a search subscription!
*
* @param profile $profile subscriber
* @param string $search subscribee
*/
static function cancel(Profile $profile, $search)
{
$ts = SearchSub::pkeyGet(array('search' => $search,
'profile_id' => $profile->id));
if ($ts) {
$ts->delete();
self::blow('searchsub:by_profile:%d', $profile->id);
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}
}
static function forProfile(Profile $profile)
{
$searches = array();
$keypart = sprintf('searchsub:by_profile:%d', $profile->id);
$searchstring = self::cacheGet($keypart);
if ($searchstring !== false) {
if (!empty($searchstring)) {
$searches = explode(',', $searchstring);
}
} else {
$searchsub = new SearchSub();
$searchsub->profile_id = $profile->id;
$searchsub->selectAdd();
$searchsub->selectAdd('search');
if ($searchsub->find()) {
$searches = $searchsub->fetchAll('search');
}
self::cacheSet($keypart, implode(',', $searches));
}
return $searches;
}
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}