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DifferentialDiff.php
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Fri, Nov 22, 21:47

DifferentialDiff.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 DifferentialDiff extends DifferentialDAO {
protected $revisionID;
protected $authorPHID;
protected $sourceMachine;
protected $sourcePath;
protected $sourceControlSystem;
protected $sourceControlBaseRevision;
protected $sourceControlPath;
protected $lintStatus;
protected $unitStatus;
protected $lineCount;
protected $branch;
protected $parentRevisionID;
protected $arcanistProjectPHID;
protected $creationMethod;
protected $repositoryUUID;
protected $description;
private $unsavedChangesets = array();
private $changesets;
public function addUnsavedChangeset(DifferentialChangeset $changeset) {
if ($this->changesets === null) {
$this->changesets = array();
}
$this->unsavedChangesets[] = $changeset;
$this->changesets[] = $changeset;
return $this;
}
public function attachChangesets(array $changesets) {
$this->changesets = $changesets;
return $this;
}
public function getChangesets() {
if ($this->changesets === null) {
throw new Exception("Must load and attach changesets first!");
}
return $this->changesets;
}
public function loadChangesets() {
if (!$this->getID()) {
return array();
}
return id(new DifferentialChangeset())->loadAllWhere(
'diffID = %d',
$this->getID());
}
public function loadArcanistProject() {
if (!$this->getArcanistProjectPHID()) {
return null;
}
return id(new PhabricatorRepositoryArcanistProject())->loadOneWhere(
'phid = %s',
$this->getArcanistProjectPHID());
}
public function save() {
// TODO: sort out transactions
// $this->openTransaction();
$ret = parent::save();
foreach ($this->unsavedChangesets as $changeset) {
$changeset->setDiffID($this->getID());
$changeset->save();
}
// $this->saveTransaction();
return $ret;
}
public function delete() {
// $this->openTransaction();
foreach ($this->loadChangesets() as $changeset) {
$changeset->delete();
}
$ret = parent::delete();
// $this->saveTransaction();
return $ret;
}
public static function newFromRawChanges(array $changes) {
$diff = new DifferentialDiff();
$lines = 0;
foreach ($changes as $change) {
$changeset = new DifferentialChangeset();
$add_lines = 0;
$del_lines = 0;
$hunks = $change->getHunks();
if ($hunks) {
foreach ($hunks as $hunk) {
$dhunk = new DifferentialHunk();
$dhunk->setOldOffset($hunk->getOldOffset());
$dhunk->setOldLen($hunk->getOldLength());
$dhunk->setNewOffset($hunk->getNewOffset());
$dhunk->setNewLen($hunk->getNewLength());
$dhunk->setChanges($hunk->getCorpus());
$changeset->addUnsavedHunk($dhunk);
$add_lines += $hunk->getAddLines();
$del_lines += $hunk->getDelLines();
$lines += $add_lines + $del_lines;
}
} else {
// This happens when you add empty files.
$changeset->attachHunks(array());
}
$changeset->setOldFile($change->getOldPath());
$changeset->setFilename($change->getCurrentPath());
$changeset->setChangeType($change->getType());
$changeset->setFileType($change->getFileType());
$changeset->setMetadata($change->getAllMetadata());
$changeset->setOldProperties($change->getOldProperties());
$changeset->setNewProperties($change->getNewProperties());
$changeset->setAwayPaths($change->getAwayPaths());
$changeset->setAddLines($add_lines);
$changeset->setDelLines($del_lines);
$diff->addUnsavedChangeset($changeset);
}
$diff->setLineCount($lines);
return $diff;
}
public function getDiffDict() {
$dict = array(
'id' => $this->getID(),
'parent' => $this->getParentRevisionID(),
'revisionID' => $this->getRevisionID(),
'sourceControlBaseRevision' => $this->getSourceControlBaseRevision(),
'sourceControlPath' => $this->getSourceControlPath(),
'sourceControlSystem' => $this->getSourceControlSystem(),
'branch' => $this->getBranch(),
'unitStatus' => $this->getUnitStatus(),
'lintStatus' => $this->getLintStatus(),
'changes' => array(),
'properties' => array(),
);
foreach ($this->getChangesets() as $changeset) {
$hunks = array();
foreach ($changeset->getHunks() as $hunk) {
$hunks[] = array(
'oldOffset' => $hunk->getOldOffset(),
'newOffset' => $hunk->getNewOffset(),
'oldLength' => $hunk->getOldLen(),
'newLength' => $hunk->getNewLen(),
'addLines' => null,
'delLines' => null,
'isMissingOldNewline' => null,
'isMissingNewNewline' => null,
'corpus' => $hunk->getChanges(),
);
}
$change = array(
'metadata' => $changeset->getMetadata(),
'oldPath' => $changeset->getOldFile(),
'currentPath' => $changeset->getFilename(),
'awayPaths' => $changeset->getAwayPaths(),
'oldProperties' => $changeset->getOldProperties(),
'newProperties' => $changeset->getNewProperties(),
'type' => $changeset->getChangeType(),
'fileType' => $changeset->getFileType(),
'commitHash' => null,
'addLines' => $changeset->getAddLines(),
'delLines' => $changeset->getDelLines(),
'hunks' => $hunks,
);
$dict['changes'][] = $change;
}
$properties = id(new DifferentialDiffProperty())->loadAllWhere(
'diffID = %d',
$this->getID());
foreach ($properties as $property) {
$dict['properties'][$property->getName()] = $property->getData();
}
return $dict;
}
}

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