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phab/src/applications/conduit/method/differential/getdiff/ConduitAPI_differential_getdiff_Method.php
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ConduitAPI_differential_getdiff_Method.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.
*/
/**
* @group conduit
*/
class ConduitAPI_differential_getdiff_Method extends ConduitAPIMethod {
public function getMethodDescription() {
return "Load the content of a diff from Differential.";
}
public function defineParamTypes() {
return array(
'revision_id' => 'optional id',
'diff_id' => 'optional id',
);
}
public function defineReturnType() {
return 'nonempty dict';
}
public function defineErrorTypes() {
return array(
'ERR_BAD_REVISION' => 'No such revision exists.',
'ERR_BAD_DIFF' => 'No such diff exists.',
);
}
protected function execute(ConduitAPIRequest $request) {
$diff = null;
$revision_id = $request->getValue('revision_id');
if ($revision_id) {
$revision = id(new DifferentialRevision())->load($revision_id);
if (!$revision) {
throw new ConduitException('ERR_BAD_REVISION');
}
$diff = id(new DifferentialDiff())->loadOneWhere(
'revisionID = %d ORDER BY id DESC LIMIT 1',
$revision->getID());
} else {
$diff_id = $request->getValue('diff_id');
if ($diff_id) {
$diff = id(new DifferentialDiff())->load($diff_id);
}
}
if (!$diff) {
throw new ConduitException('ERR_BAD_DIFF');
}
$diff->attachChangesets($diff->loadChangesets());
// TODO: We could batch this to improve performance.
foreach ($diff->getChangesets() as $changeset) {
$changeset->attachHunks($changeset->loadHunks());
}
return $this->createDiffDict($diff);
}
public static function createDiffDict(DifferentialDiff $diff) {
$dict = array(
'id' => $diff->getID(),
'parent' => $diff->getParentRevisionID(),
'sourceControlBaseRevision' => $diff->getSourceControlBaseRevision(),
'sourceControlPath' => $diff->getSourceControlPath(),
'changes' => array(),
);
foreach ($diff->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,
'hunks' => $hunks,
);
$dict['changes'][] = $change;
}
return $dict;
}
}
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