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PhabricatorNotificationQuery.php
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Fri, Jun 20, 16:13

PhabricatorNotificationQuery.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.
*/
/**
* @task config Configuring the Query
* @task exec Query Execution
*/
final class PhabricatorNotificationQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $userPHID;
private $keys;
private $unread;
/* -( Configuring the Query )---------------------------------------------- */
public function setUserPHID($user_phid) {
$this->userPHID = $user_phid;
return $this;
}
public function withKeys(array $keys) {
$this->keys = $keys;
return $this;
}
/**
* Filter results by read/unread status. Note that `true` means to return
* only unread notifications, while `false` means to return only //read//
* notifications. The default is `null`, which returns both.
*
* @param mixed True or false to filter results by read status. Null to remove
* the filter.
* @return this
* @task config
*/
public function withUnread($unread) {
$this->unread = $unread;
return $this;
}
/* -( Query Execution )---------------------------------------------------- */
public function loadPage() {
if (!$this->userPHID) {
throw new Exception("Call setUser() before executing the query");
}
$story_table = new PhabricatorFeedStoryData();
$notification_table = new PhabricatorFeedStoryNotification();
$conn = $story_table->establishConnection('r');
$data = queryfx_all(
$conn,
"SELECT story.*, notif.hasViewed FROM %T notif
JOIN %T story ON notif.chronologicalKey = story.chronologicalKey
%Q
ORDER BY notif.chronologicalKey DESC
%Q",
$notification_table->getTableName(),
$story_table->getTableName(),
$this->buildWhereClause($conn),
$this->buildLimitClause($conn));
$viewed_map = ipull($data, 'hasViewed', 'chronologicalKey');
$stories = PhabricatorFeedStory::loadAllFromRows(
$data,
$this->getViewer());
foreach ($stories as $key => $story) {
$story->setHasViewed($viewed_map[$key]);
}
return $stories;
}
private function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if ($this->userPHID) {
$where[] = qsprintf(
$conn_r,
'notif.userPHID = %s',
$this->userPHID);
}
if ($this->unread !== null) {
$where[] = qsprintf(
$conn_r,
'notif.hasViewed = %d',
(int)!$this->unread);
}
if ($this->keys) {
$where[] = qsprintf(
$conn_r,
'notif.chronologicalKey IN (%Ls)',
$this->keys);
}
return $this->formatWhereClause($where);
}
}

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