PonderAnswerEditor.php
64472dd7b8dastable

PonderAnswerEditor.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 PonderAnswerEditor {

			private $question;
			private $answer;

			public function setQuestion($question) {
			$this->question = $question;
			return $this;
			}

			public function setAnswer($answer) {
			$this->answer = $answer;
			return $this;
			}

			public function saveAnswer() {
			if (!$this->question) {
			throw new Exception("Must set question before saving vote");
			}
			if (!$this->answer) {
			throw new Exception("Must set answer before saving vote");
			}

			$question = $this->question;
			$answer = $this->answer;
			$conn = $answer->establishConnection('w');
			$trans = $conn->openTransaction();
			$trans->beginReadLocking();

			$question->reload();

			queryfx($conn,
			'UPDATE %T as t
			SET t.`answerCount` = t.`answerCount` + 1
			WHERE t.`PHID` = %s',
			$question->getTableName(),
			$question->getPHID());

			$answer->setQuestionID($question->getID());
			$answer->save();

			$trans->endReadLocking();
			$trans->saveTransaction();
			}
			}