ManiphestTaskSubscriber.php
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ManiphestTaskSubscriber.php
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			<?php

			/*
			* Copyright 2011 Facebook, Inc.
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			/**
			* @group maniphest
			*/
			final class ManiphestTaskSubscriber extends ManiphestDAO {

			protected $taskPHID;
			protected $subscriberPHID;

			public function getConfiguration() {
			return array(
			self::CONFIG_IDS => self::IDS_MANUAL,
			self::CONFIG_TIMESTAMPS => false,
			);
			}

			public static function updateTaskSubscribers(ManiphestTask $task) {
			$dao = new ManiphestTaskSubscriber();
			$conn = $dao->establishConnection('w');

			$sql = array();
			$subscribers = $task->getCCPHIDs();
			$subscribers[] = $task->getOwnerPHID();
			$subscribers = array_unique($subscribers);

			foreach ($subscribers as $subscriber_phid) {
			$sql[] = qsprintf(
			$conn,
			'(%s, %s)',
			$task->getPHID(),
			$subscriber_phid);
			}

			queryfx(
			$conn,
			'DELETE FROM %T WHERE taskPHID = %s',
			$dao->getTableName(),
			$task->getPHID());
			if ($sql) {
			queryfx(
			$conn,
			'INSERT INTO %T (taskPHID, subscriberPHID) VALUES %Q',
			$dao->getTableName(),
			implode(', ', $sql));
			}
			}

			}