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DifferentialRevisionListData.php
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Sat, Nov 30, 20:33

DifferentialRevisionListData.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.
*/
class DifferentialRevisionListData {
const QUERY_OPEN_OWNED = 'open';
const QUERY_OPEN_REVIEWER = 'reviewer';
const QUERY_OWNED = 'owned';
const QUERY_OWNED_OR_REVIEWER = 'related';
const QUERY_NEED_ACTION_FROM_OTHERS = 'need-other-action';
const QUERY_NEED_ACTION_FROM_SELF = 'need-self-action';
const QUERY_COMMITTABLE = 'committable';
const QUERY_REVISION_IDS = 'revision-ids';
const QUERY_PHIDS = 'phids';
const QUERY_CC = 'cc';
const QUERY_ALL_OPEN = 'all-open';
private $ids;
private $filter;
private $handles;
private $revisions;
private $order;
public function __construct($filter, array $ids) {
$this->filter = $filter;
$this->ids = $ids;
}
public function getRevisions() {
return $this->revisions;
}
public function setOrder($order) {
$this->order = $order;
return $this;
}
public function loadRevisions() {
switch ($this->filter) {
case self::QUERY_CC:
$this->revisions = $this->loadAllOpenWithCCs($this->ids);
break;
case self::QUERY_ALL_OPEN:
$this->revisions = $this->loadAllOpen();
break;
case self::QUERY_OPEN_OWNED:
$this->revisions = $this->loadAllWhere(
'revision.status in (%Ld) AND revision.authorPHID in (%Ls)',
$this->getOpenStatuses(),
$this->ids);
break;
case self::QUERY_COMMITTABLE:
$this->revisions = $this->loadAllWhere(
'revision.status in (%Ld) AND revision.authorPHID in (%Ls)',
array(
DifferentialRevisionStatus::ACCEPTED,
),
$this->ids);
break;
case self::QUERY_REVISION_IDS:
$this->revisions = $this->loadAllWhere(
'id in (%Ld)',
$this->ids);
break;
case self::QUERY_OPEN_REVIEWER:
$this->revisions = $this->loadAllWhereJoinReview(
'revision.status in (%Ld) AND relationship.objectPHID in (%Ls)',
$this->getOpenStatuses(),
$this->ids);
break;
case self::QUERY_OWNED:
$this->revisions = $this->loadAllWhere(
'revision.authorPHID in (%Ls)',
$this->ids);
break;
case self::QUERY_OWNED_OR_REVIEWER:
$this->revisions = $this->loadAllWhereJoinReview(
'revision.authorPHID in (%Ls) OR relationship.objectPHID in (%Ls)',
$this->ids,
$this->ids);
break;
case self::QUERY_NEED_ACTION_FROM_SELF:
$rev = new DifferentialRevision();
$data = queryfx_all(
$rev->establishConnection('r'),
'SELECT revision.* FROM %T revision
WHERE revision.authorPHID in (%Ls)
AND revision.status in (%Ld)
UNION ALL
SELECT revision.* FROM %T revision JOIN %T relationship
ON relationship.revisionID = revision.id
AND relationship.relation = %s
WHERE relationship.objectPHID IN (%Ls)
AND revision.status in (%Ld)
%Q',
$rev->getTableName(),
$this->ids,
array(
DifferentialRevisionStatus::NEEDS_REVISION,
DifferentialRevisionStatus::ACCEPTED,
),
$rev->getTableName(),
DifferentialRevision::RELATIONSHIP_TABLE,
DifferentialRevision::RELATION_REVIEWER,
$this->ids,
array(
DifferentialRevisionStatus::NEEDS_REVIEW,
),
$this->getOrderClause());
$data = ipull($data, null, 'id');
$this->revisions = $rev->loadAllFromArray($data);
break;
case self::QUERY_NEED_ACTION_FROM_OTHERS:
$rev = new DifferentialRevision();
$data = queryfx_all(
$rev->establishConnection('r'),
'SELECT revision.* FROM %T revision
WHERE revision.authorPHID in (%Ls)
AND revision.status IN (%Ld)
UNION ALL
SELECT revision.* FROM %T revision JOIN %T relationship
ON relationship.revisionID = revision.id
AND relationship.relation = %s
WHERE relationship.objectPHID IN (%Ls)
AND revision.status in (%Ld)
%Q',
$rev->getTableName(),
$this->ids,
array(
DifferentialRevisionStatus::NEEDS_REVIEW,
),
$rev->getTableName(),
DifferentialRevision::RELATIONSHIP_TABLE,
DifferentialRevision::RELATION_REVIEWER,
$this->ids,
array(
DifferentialRevisionStatus::NEEDS_REVISION,
DifferentialRevisionStatus::ACCEPTED,
),
$this->getOrderClause());
$data = ipull($data, null, 'id');
$this->revisions = $rev->loadAllFromArray($data);
break;
case self::QUERY_BY_PHID:
$this->revisions = $this->loadAllWhere(
'revision.phid in (%Ls)',
$this->ids);
break;
}
return $this->revisions;
}
private function getOpenStatuses() {
return array(
DifferentialRevisionStatus::NEEDS_REVIEW,
DifferentialRevisionStatus::NEEDS_REVISION,
DifferentialRevisionStatus::ACCEPTED,
);
}
private function loadAllOpen() {
return $this->loadAllWhere('status in (%Ld)', $this->getOpenStatuses());
}
private function loadAllWhereJoinReview($pattern) {
$reviewer = DifferentialRevision::RELATION_REVIEWER;
$argv = func_get_args();
$rev = new DifferentialRevision();
$pattern = array_shift($argv);
$pattern =
'SELECT revision.*
FROM %T revision LEFT JOIN %T relationship
ON revision.id = relationship.revisionID
AND relationship.relation = %s
WHERE '.$pattern.'
GROUP BY revision.id '.$this->getOrderClause();
array_unshift(
$argv,
$rev->getTableName(),
DifferentialRevision::RELATIONSHIP_TABLE,
DifferentialRevision::RELATION_REVIEWER);
$data = vqueryfx_all(
$rev->establishConnection('r'),
$pattern,
$argv);
return $rev->loadAllFromArray($data);
}
private function loadAllWhere($pattern) {
$rev = new DifferentialRevision();
$argv = func_get_args();
array_shift($argv);
array_unshift($argv, $rev->getTableName());
$data = vqueryfx_all(
$rev->establishConnection('r'),
'SELECT * FROM %T revision WHERE '.$pattern.' '.$this->getOrderClause(),
$argv);
return $rev->loadAllFromArray($data);
}
private function loadAllOpenWithCCs(array $ccphids) {
$revision = new DifferentialRevision();
$data = queryfx_all(
'SELECT revision.* FROM %T revision
JOIN %T relationship ON relationship.revisionID = revision.id
AND relationship.relation = %s
AND relationship.objectPHID in (%Ls)
WHERE revision.status in (%Ld) %Q',
$revision->getTableName(),
DifferentialRevision::RELATIONSHIP_TABLE,
DifferentialRevision::RELATION_SUBSCRIBED,
$ccphids,
$this->getOpenStatuses(),
$this->getOrderClause());
return $revision->loadAllFromArray($data);
}
private function getOrderClause() {
$reverse = false;
$order = $this->order;
if (strlen($order) && $order[0] == '-') {
$reverse = true;
$order = substr($order, 1);
}
$asc = $reverse ? 'DESC' : 'ASC';
switch ($order) {
case 'ID':
$clause = 'id';
break;
case 'Revision':
$clause = 'name';
break;
case 'Status':
$clause = 'status';
break;
case 'Lines':
$clause = 'lineCount';
break;
case 'Created':
$clause = 'dateCreated';
$asc = $reverse ? 'ASC' : 'DESC';
break;
case '':
case 'Modified':
$clause = 'dateModified';
$asc = $reverse ? 'ASC' : 'DESC';
break;
default:
throw new Exception("Invalid order '{$order}'.");
}
return "ORDER BY {$clause} {$asc}";
}
}

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