136 lines
4.1 KiB
PHP
136 lines
4.1 KiB
PHP
<?php
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/**
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* Data class to store local tag subscriptions
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*
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* PHP version 5
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*
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* @category TagSubPlugin
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* For storing the tag subscriptions
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*
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* @category PollPlugin
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* @see DB_DataObject
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*/
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class TagSub extends Managed_DataObject
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{
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public $__table = 'tagsub'; // table name
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public $tag; // text
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public $profile_id; // int -> profile.id
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public $created; // datetime
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/**
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* The One True Thingy that must be defined and declared.
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*/
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public static function schemaDef()
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{
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return array(
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'description' => 'TagSubPlugin tag subscription records',
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'fields' => array(
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'tag' => array('type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'hash tag associated with this subscription'),
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'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'profile ID of subscribing user'),
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'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
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),
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'primary key' => array('tag', 'profile_id'),
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'foreign keys' => array(
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'tagsub_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
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),
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'indexes' => array(
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'tagsub_created_idx' => array('created'),
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'tagsub_profile_id_tag_idx' => array('profile_id', 'tag'),
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),
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);
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}
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/**
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* Start a tag subscription!
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*
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* @param profile $profile subscriber
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* @param string $tag subscribee
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* @return TagSub
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*/
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public static function start(Profile $profile, $tag)
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{
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$ts = new TagSub();
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$ts->tag = $tag;
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$ts->profile_id = $profile->id;
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$ts->created = common_sql_now();
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$ts->insert();
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self::blow('tagsub:by_profile:%d', $profile->id);
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return $ts;
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}
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/**
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* End a tag subscription!
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*
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* @param profile $profile subscriber
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* @param string $tag subscribee
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*/
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public static function cancel(Profile $profile, $tag)
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{
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$ts = TagSub::pkeyGet(array('tag' => $tag,
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'profile_id' => $profile->id));
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if ($ts) {
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$ts->delete();
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self::blow('tagsub:by_profile:%d', $profile->id);
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}
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}
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public static function forProfile(Profile $profile)
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{
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$tags = array();
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$keypart = sprintf('tagsub:by_profile:%d', $profile->id);
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$tagstring = self::cacheGet($keypart);
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if ($tagstring !== false) { // cache hit
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if (!empty($tagstring)) {
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$tags = explode(',', $tagstring);
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}
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} else {
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$tagsub = new TagSub();
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$tagsub->profile_id = $profile->id;
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$tagsub->selectAdd();
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$tagsub->selectAdd('tag');
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if ($tagsub->find()) {
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$tags = $tagsub->fetchAll('tag');
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}
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self::cacheSet($keypart, implode(',', $tags));
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}
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return $tags;
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}
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}
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