testing

PhabricatorChatLogQuery.php
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			<?php

			/*
			* Copyright 2012 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.
			*/

			final class PhabricatorChatLogQuery {

			private $channels;

			private $limit;

			public function withChannels(array $channels) {
			$this->channels = $channels;
			return $this;
			}

			public function setLimit($limit) {
			$this->limit = $limit;
			return $this;
			}

			public function execute() {
			$table = new PhabricatorChatLogEvent();
			$conn_r = $table->establishConnection('r');

			$where_clause = $this->buildWhereClause($conn_r);

			$limit_clause = '';
			if ($this->limit) {
			$limit_clause = qsprintf(
			$conn_r,
			'LIMIT %d',
			$this->limit);
			}

			$data = queryfx_all(
			$conn_r,
			'SELECT * FROM %T e %Q ORDER BY epoch ASC %Q',
			$table->getTableName(),
			$where_clause,
			$limit_clause);

			$logs = $table->loadAllFromArray($data);

			return $logs;
			}

			private function buildWhereClause($conn_r) {
			$where = array();

			if ($this->channels) {
			$where[] = qsprintf(
			$conn_r,
			'channel IN (%Ls)',
			$this->channels);
			}

			if ($where) {
			$where = 'WHERE ('.implode(') AND (', $where).')';
			} else {
			$where = '';
			}

			return $where;
			}

			}