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PonderAnswerQuery.php
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Sun, Jun 1, 12:21

PonderAnswerQuery.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 PonderAnswerQuery extends PhabricatorOffsetPagedQuery {
private $id;
private $phid;
private $authorPHID;
private $orderNewest;
public function withID($qid) {
$this->id = $qid;
return $this;
}
public function withPHID($phid) {
$this->phid = $phid;
return $this;
}
public function withAuthorPHID($phid) {
$this->authorPHID = $phid;
return $this;
}
public function orderByNewest($usethis) {
$this->orderNewest = $usethis;
return $this;
}
public static function loadByAuthorWithQuestions(
$viewer,
$phid,
$offset,
$count) {
if (!$viewer) {
throw new Exception("Must set viewer when calling loadByAuthor...");
}
$answers = id(new PonderAnswerQuery())
->withAuthorPHID($phid)
->orderByNewest(true)
->setOffset($offset)
->setLimit($count)
->execute();
$answerset = new LiskDAOSet();
foreach ($answers as $answer) {
$answerset->addToSet($answer);
}
foreach ($answers as $answer) {
$question = $answer->loadOneRelative(
new PonderQuestion(),
'id',
'getQuestionID');
$answer->setQuestion($question);
}
return $answers;
}
public static function loadByAuthor($viewer, $author_phid, $offset, $count) {
if (!$viewer) {
throw new Exception("Must set viewer when calling loadByAuthor");
}
return id(new PonderAnswerQuery())
->withAuthorPHID($author_phid)
->setOffset($offset)
->setLimit($count)
->orderByNewest(true)
->execute();
}
public static function loadSingle($viewer, $id) {
if (!$viewer) {
throw new Exception("Must set viewer when calling loadSingle");
}
return idx(id(new PonderAnswerQuery())
->withID($id)
->execute(), $id);
}
public static function loadSingleByPHID($viewer, $phid) {
if (!$viewer) {
throw new Exception("Must set viewer when calling loadSingle");
}
return array_shift(id(new PonderAnswerQuery())
->withPHID($phid)
->execute());
}
private function buildWhereClause($conn_r) {
$where = array();
if ($this->id) {
$where[] = qsprintf($conn_r, '(id = %d)', $this->id);
}
if ($this->phid) {
$where[] = qsprintf($conn_r, '(phid = %s)', $this->phid);
}
if ($this->authorPHID) {
$where[] = qsprintf($conn_r, '(authorPHID = %s)', $this->authorPHID);
}
return $this->formatWhereClause($where);
}
private function buildOrderByClause($conn_r) {
$order = array();
if ($this->orderNewest) {
$order[] = qsprintf($conn_r, 'id DESC');
}
if (count($order) == 0) {
$order[] = qsprintf($conn_r, 'id ASC');
}
return ($order ? 'ORDER BY ' . implode(', ', $order) : '');
}
public function execute() {
$answer = new PonderAnswer();
$conn_r = $answer->establishConnection('r');
$select = qsprintf(
$conn_r,
'SELECT r.* FROM %T r',
$answer->getTableName());
$where = $this->buildWhereClause($conn_r);
$order_by = $this->buildOrderByClause($conn_r);
$limit = $this->buildLimitClause($conn_r);
return $answer->loadAllFromArray(
queryfx_all(
$conn_r,
'%Q %Q %Q %Q',
$select,
$where,
$order_by,
$limit));
}
}

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