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HeraldDifferentialRevisionAdapter.php
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Tue, Jan 7, 13:59

HeraldDifferentialRevisionAdapter.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 HeraldDifferentialRevisionAdapter extends HeraldObjectAdapter {
protected $revision;
protected $changesets;
protected $diff = null;
protected $explicitCCs;
protected $explicitReviewers;
protected $forbiddenCCs;
protected $forbiddenReviewers;
protected $newCCs = array();
protected $remCCs = array();
public function __construct(DifferentialRevision $revision) {
$revision->loadRelationships();
$this->revision = $revision;
}
public function setDiff(Diff $diff) {
$this->diff = $diff;
return $this;
}
public function setExplicitCCs($explicit_ccs) {
$this->explicitCCs = $explicit_ccs;
return $this;
}
public function setExplicitReviewers($explicit_reviewers) {
$this->explicitReviewers = $explicit_reviewers;
return $this;
}
public function setForbiddenCCs($forbidden_ccs) {
$this->forbiddenCCs = $forbidden_ccs;
return $this;
}
public function setForbiddenReviewers($forbidden_reviewers) {
$this->forbiddenReviewers = $forbidden_reviewers;
return $this;
}
public function getCCsAddedByHerald() {
return array_diff_key($this->newCCs, $this->remCCs);
}
public function getCCsRemovedByHerald() {
return $this->remCCs;
}
public function getPHID() {
return $this->revision->getPHID();
}
public function getHeraldName() {
return $this->revision->getTitle();
}
public function getHeraldTypeName() {
return HeraldContentTypeConfig::CONTENT_TYPE_DIFFERENTIAL;
}
protected function loadChangesets() {
if ($this->changesets) {
return $this->changesets;
}
$diff = $this->loadDiff();
$changes = $diff->getChangesets();
return ($this->changesets = $changes);
}
protected function loadDiff() {
if ($this->diff === null) {
$this->diff = $this->revision->getActiveDiff();
}
return $this->diff;
}
protected function getContentDictionary() {
$changes = $this->loadChangesets();
$hunks = array();
if ($changes) {
$hunks = id(new DifferentialHunk())->loadAllwhere(
'changesetID in (%Ld)',
mpull($changes, 'getID'));
}
$dict = array();
$hunks = mgroup($hunks, 'getChangesetID');
$changes = mpull($changes, null, 'getID');
foreach ($changes as $id => $change) {
$filename = $change->getFilename();
$content = array();
foreach (idx($hunks, $id, array()) as $hunk) {
$content[] = $hunk->makeChanges();
}
$dict[$filename] = implode("\n", $content);
}
return $dict;
}
public function getHeraldField($field) {
switch ($field) {
case HeraldFieldConfig::FIELD_TITLE:
return $this->revision->getTitle();
break;
case HeraldFieldConfig::FIELD_BODY:
return $this->revision->getSummary()."\n".
$this->revision->getTestPlan();
break;
case HeraldFieldConfig::FIELD_AUTHOR:
return $this->revision->getAuthorPHID();
break;
case HeraldFieldConfig::FIELD_DIFF_FILE:
$changes = $this->loadChangesets();
return array_values(mpull($changes, 'getFilename'));
case HeraldFieldConfig::FIELD_CC:
if (isset($this->explicitCCs)) {
return array_keys($this->explicitCCs);
} else {
return $this->revision->getCCPHIDs();
}
case HeraldFieldConfig::FIELD_REVIEWERS:
if (isset($this->explicitReviewers)) {
return array_keys($this->explicitReviewers);
} else {
return $this->revision->getReviewers();
}
/* TODO
case HeraldFieldConfig::FIELD_REPOSITORY:
$id = $this->revision->getRepositoryID();
if (!$id) {
return null;
}
require_module_lazy('intern/repository');
$repository = RepositoryRef::getByID($id);
if (!$repository) {
return null;
}
return $repository->getFBID();
*/
case HeraldFieldConfig::FIELD_DIFF_CONTENT:
return $this->getContentDictionary();
/* TODO
case HeraldFieldConfig::FIELD_AFFECTED_PACKAGE:
return mpull(
DiffOwners::getPackages($this->loadDiff()),
'getFBID');
*/
/* TODO
case HeraldFieldConfig::FIELD_AFFECTED_PACKAGE_OWNER:
return DiffOwners::getOwners($this->loadDiff());
*/
default:
throw new Exception("Invalid field '{$field}'.");
}
}
public function applyHeraldEffects(array $effects) {
$result = array();
if ($this->explicitCCs) {
$effect = new HeraldEffect();
$effect->setAction(HeraldActionConfig::ACTION_ADD_CC);
$effect->setTarget(array_keys($this->explicitCCs));
$effect->setReason(
'CCs provided explicitly by revision author or carried over from a '.
'previous version of the revision.');
$result[] = new HeraldApplyTranscript(
$effect,
true,
'Added addresses to CC list.');
}
$forbidden_ccs = array_fill_keys(
nonempty($this->forbiddenCCs, array()),
true);
foreach ($effects as $effect) {
$action = $effect->getAction();
switch ($action) {
case HeraldActionConfig::ACTION_NOTHING:
$result[] = new HeraldApplyTranscript(
$effect,
true,
'OK, did nothing.');
break;
case HeraldActionConfig::ACTION_ADD_CC:
$base_target = $effect->getTarget();
$forbidden = array();
foreach ($base_target as $key => $fbid) {
if (isset($forbidden_ccs[$fbid])) {
$forbidden[] = $fbid;
unset($base_target[$key]);
} else {
$this->newCCs[$fbid] = true;
}
}
if ($forbidden) {
$failed = clone $effect;
$failed->setTarget($forbidden);
if ($base_target) {
$effect->setTarget($base_target);
$result[] = new HeraldApplyTranscript(
$effect,
true,
'Added these addresses to CC list. Others could not be added.');
}
$result[] = new HeraldApplyTranscript(
$failed,
false,
'CC forbidden, these addresses have unsubscribed.');
} else {
$result[] = new HeraldApplyTranscript(
$effect,
true,
'Added addresses to CC list.');
}
break;
case HeraldActionConfig::ACTION_REMOVE_CC:
foreach ($effect->getTarget() as $fbid) {
$this->remCCs[$fbid] = true;
}
$result[] = new HeraldApplyTranscript(
$effect,
true,
'Removed addresses from CC list.');
break;
default:
throw new Exception("No rules to handle action '{$action}'.");
}
}
return $result;
}
}

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