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phorge/src/applications/differential/editor/DifferentialCommentEditor.php
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DifferentialCommentEditor.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 DifferentialCommentEditor extends PhabricatorEditor {
protected $revision;
protected $action;
protected $attachInlineComments;
protected $message;
protected $changedByCommit;
protected $addedReviewers = array();
protected $removedReviewers = array();
private $addedCCs = array();
private $parentMessageID;
private $contentSource;
private $noEmail;
private $isDaemonWorkflow;
public function __construct(
DifferentialRevision $revision,
$action) {
$this->revision = $revision;
$this->action = $action;
}
public function setParentMessageID($parent_message_id) {
$this->parentMessageID = $parent_message_id;
return $this;
}
public function setMessage($message) {
$this->message = $message;
return $this;
}
public function setAttachInlineComments($attach) {
$this->attachInlineComments = $attach;
return $this;
}
public function setChangedByCommit($changed_by_commit) {
$this->changedByCommit = $changed_by_commit;
return $this;
}
public function getChangedByCommit() {
return $this->changedByCommit;
}
public function setAddedReviewers(array $added_reviewers) {
$this->addedReviewers = $added_reviewers;
return $this;
}
public function getAddedReviewers() {
return $this->addedReviewers;
}
public function setRemovedReviewers(array $removeded_reviewers) {
$this->removedReviewers = $removeded_reviewers;
return $this;
}
public function getRemovedReviewers() {
return $this->removedReviewers;
}
public function setAddedCCs($added_ccs) {
$this->addedCCs = $added_ccs;
return $this;
}
public function getAddedCCs() {
return $this->addedCCs;
}
public function setContentSource(PhabricatorContentSource $content_source) {
$this->contentSource = $content_source;
return $this;
}
public function setIsDaemonWorkflow($is_daemon) {
$this->isDaemonWorkflow = $is_daemon;
return $this;
}
public function setNoEmail($no_email) {
$this->noEmail = $no_email;
return $this;
}
public function save() {
$actor = $this->requireActor();
$revision = $this->revision;
$action = $this->action;
$actor_phid = $actor->getPHID();
$actor_is_author = ($actor_phid == $revision->getAuthorPHID());
$allow_self_accept = PhabricatorEnv::getEnvConfig(
'differential.allow-self-accept', false);
$always_allow_close = PhabricatorEnv::getEnvConfig(
'differential.always-allow-close', false);
$revision_status = $revision->getStatus();
$revision->loadRelationships();
$reviewer_phids = $revision->getReviewers();
if ($reviewer_phids) {
$reviewer_phids = array_combine($reviewer_phids, $reviewer_phids);
}
$metadata = array();
$inline_comments = array();
if ($this->attachInlineComments) {
$inline_comments = id(new DifferentialInlineComment())->loadAllWhere(
'authorPHID = %s AND revisionID = %d AND commentID IS NULL',
$actor_phid,
$revision->getID());
}
switch ($action) {
case DifferentialAction::ACTION_COMMENT:
if (!$this->message && !$inline_comments) {
throw new DifferentialActionHasNoEffectException(
"You are submitting an empty comment with no action: ".
"you must act on the revision or post a comment.");
}
break;
case DifferentialAction::ACTION_RESIGN:
if ($actor_is_author) {
throw new Exception('You can not resign from your own revision!');
}
if (empty($reviewer_phids[$actor_phid])) {
throw new DifferentialActionHasNoEffectException(
"You can not resign from this revision because you are not ".
"a reviewer.");
}
DifferentialRevisionEditor::alterReviewers(
$revision,
$reviewer_phids,
$rem = array($actor_phid),
$add = array(),
$actor_phid);
break;
case DifferentialAction::ACTION_ABANDON:
if (!$actor_is_author) {
throw new Exception('You can only abandon your own revisions.');
}
if ($revision_status == ArcanistDifferentialRevisionStatus::CLOSED) {
throw new DifferentialActionHasNoEffectException(
"You can not abandon this revision because it has already ".
"been closed.");
}
if ($revision_status == ArcanistDifferentialRevisionStatus::ABANDONED) {
throw new DifferentialActionHasNoEffectException(
"You can not abandon this revision because it has already ".
"been abandoned.");
}
$revision->setStatus(ArcanistDifferentialRevisionStatus::ABANDONED);
break;
case DifferentialAction::ACTION_ACCEPT:
if ($actor_is_author && !$allow_self_accept) {
throw new Exception('You can not accept your own revision.');
}
if (($revision_status !=
ArcanistDifferentialRevisionStatus::NEEDS_REVIEW) &&
($revision_status !=
ArcanistDifferentialRevisionStatus::NEEDS_REVISION)) {
switch ($revision_status) {
case ArcanistDifferentialRevisionStatus::ACCEPTED:
throw new DifferentialActionHasNoEffectException(
"You can not accept this revision because someone else ".
"already accepted it.");
case ArcanistDifferentialRevisionStatus::ABANDONED:
throw new DifferentialActionHasNoEffectException(
"You can not accept this revision because it has been ".
"abandoned.");
case ArcanistDifferentialRevisionStatus::CLOSED:
throw new DifferentialActionHasNoEffectException(
"You can not accept this revision because it has already ".
"been closed.");
default:
throw new Exception(
"Unexpected revision state '{$revision_status}'!");
}
}
$revision
->setStatus(ArcanistDifferentialRevisionStatus::ACCEPTED);
if (!isset($reviewer_phids[$actor_phid])) {
DifferentialRevisionEditor::alterReviewers(
$revision,
$reviewer_phids,
$rem = array(),
$add = array($actor_phid),
$actor_phid);
}
break;
case DifferentialAction::ACTION_REQUEST:
if (!$actor_is_author) {
throw new Exception('You must own a revision to request review.');
}
switch ($revision_status) {
case ArcanistDifferentialRevisionStatus::ACCEPTED:
case ArcanistDifferentialRevisionStatus::NEEDS_REVISION:
$revision->setStatus(
ArcanistDifferentialRevisionStatus::NEEDS_REVIEW);
break;
case ArcanistDifferentialRevisionStatus::NEEDS_REVIEW:
throw new DifferentialActionHasNoEffectException(
"You can not request review of this revision because it has ".
"been abandoned.");
case ArcanistDifferentialRevisionStatus::ABANDONED:
throw new DifferentialActionHasNoEffectException(
"You can not request review of this revision because it has ".
"been abandoned.");
case ArcanistDifferentialRevisionStatus::CLOSED:
throw new DifferentialActionHasNoEffectException(
"You can not request review of this revision because it has ".
"already been closed.");
default:
throw new Exception(
"Unexpected revision state '{$revision_status}'!");
}
list($added_reviewers, $ignored) = $this->alterReviewers();
if ($added_reviewers) {
$key = DifferentialComment::METADATA_ADDED_REVIEWERS;
$metadata[$key] = $added_reviewers;
}
break;
case DifferentialAction::ACTION_REJECT:
if ($actor_is_author) {
throw new Exception(
'You can not request changes to your own revision.');
}
switch ($revision_status) {
case ArcanistDifferentialRevisionStatus::ACCEPTED:
case ArcanistDifferentialRevisionStatus::NEEDS_REVISION:
case ArcanistDifferentialRevisionStatus::NEEDS_REVIEW:
// NOTE: We allow you to reject an already-rejected revision
// because it doesn't create any ambiguity and avoids a rather
// needless dialog.
break;
case ArcanistDifferentialRevisionStatus::ABANDONED:
throw new DifferentialActionHasNoEffectException(
"You can not request changes to this revision because it has ".
"been abandoned.");
case ArcanistDifferentialRevisionStatus::CLOSED:
throw new DifferentialActionHasNoEffectException(
"You can not request changes to this revision because it has ".
"already been closed.");
default:
throw new Exception(
"Unexpected revision state '{$revision_status}'!");
}
if (!isset($reviewer_phids[$actor_phid])) {
DifferentialRevisionEditor::alterReviewers(
$revision,
$reviewer_phids,
$rem = array(),
$add = array($actor_phid),
$actor_phid);
}
$revision
->setStatus(ArcanistDifferentialRevisionStatus::NEEDS_REVISION);
break;
case DifferentialAction::ACTION_RETHINK:
if (!$actor_is_author) {
throw new Exception(
"You can not plan changes to somebody else's revision");
}
switch ($revision_status) {
case ArcanistDifferentialRevisionStatus::ACCEPTED:
case ArcanistDifferentialRevisionStatus::NEEDS_REVISION:
case ArcanistDifferentialRevisionStatus::NEEDS_REVIEW:
break;
case ArcanistDifferentialRevisionStatus::ABANDONED:
throw new DifferentialActionHasNoEffectException(
"You can not plan changes to this revision because it has ".
"been abandoned.");
case ArcanistDifferentialRevisionStatus::CLOSED:
throw new DifferentialActionHasNoEffectException(
"You can not plan changes to this revision because it has ".
"already been closed.");
default:
throw new Exception(
"Unexpected revision state '{$revision_status}'!");
}
$revision
->setStatus(ArcanistDifferentialRevisionStatus::NEEDS_REVISION);
break;
case DifferentialAction::ACTION_RECLAIM:
if (!$actor_is_author) {
throw new Exception('You can not reclaim a revision you do not own.');
}
if ($revision_status != ArcanistDifferentialRevisionStatus::ABANDONED) {
throw new DifferentialActionHasNoEffectException(
"You can not reclaim this revision because it is not abandoned.");
}
$revision
->setStatus(ArcanistDifferentialRevisionStatus::NEEDS_REVIEW);
break;
case DifferentialAction::ACTION_CLOSE:
// NOTE: The daemons can mark things closed from any state. We treat
// them as completely authoritative.
if (!$this->isDaemonWorkflow) {
if (!$actor_is_author && !$always_allow_close) {
throw new Exception(
"You can not mark a revision you don't own as closed.");
}
$status_closed = ArcanistDifferentialRevisionStatus::CLOSED;
$status_accepted = ArcanistDifferentialRevisionStatus::ACCEPTED;
if ($revision_status == $status_closed) {
throw new DifferentialActionHasNoEffectException(
"You can not mark this revision as closed because it has ".
"already been marked as closed.");
}
if ($revision_status != $status_accepted) {
throw new DifferentialActionHasNoEffectException(
"You can not mark this revision as closed because it is ".
"has not been accepted.");
}
}
if (!$revision->getDateCommitted()) {
$revision->setDateCommitted(time());
}
$revision->setStatus(ArcanistDifferentialRevisionStatus::CLOSED);
break;
case DifferentialAction::ACTION_ADDREVIEWERS:
list($added_reviewers, $ignored) = $this->alterReviewers();
if ($added_reviewers) {
$key = DifferentialComment::METADATA_ADDED_REVIEWERS;
$metadata[$key] = $added_reviewers;
} else {
$user_tried_to_add = count($this->getAddedReviewers());
if ($user_tried_to_add == 0) {
throw new DifferentialActionHasNoEffectException(
"You can not add reviewers, because you did not specify any ".
"reviewers.");
} else if ($user_tried_to_add == 1) {
throw new DifferentialActionHasNoEffectException(
"You can not add that reviewer, because they are already an ".
"author or reviewer.");
} else {
throw new DifferentialActionHasNoEffectException(
"You can not add those reviewers, because they are all already ".
"authors or reviewers.");
}
}
break;
case DifferentialAction::ACTION_ADDCCS:
$added_ccs = $this->getAddedCCs();
$user_tried_to_add = count($added_ccs);
$added_ccs = $this->filterAddedCCs($added_ccs);
if ($added_ccs) {
foreach ($added_ccs as $cc) {
DifferentialRevisionEditor::addCC(
$revision,
$cc,
$actor_phid);
}
$key = DifferentialComment::METADATA_ADDED_CCS;
$metadata[$key] = $added_ccs;
} else {
if ($user_tried_to_add == 0) {
throw new DifferentialActionHasNoEffectException(
"You can not add CCs, because you did not specify any ".
"CCs.");
} else if ($user_tried_to_add == 1) {
throw new DifferentialActionHasNoEffectException(
"You can not add that CC, because they are already an ".
"author, reviewer or CC.");
} else {
throw new DifferentialActionHasNoEffectException(
"You can not add those CCs, because they are all already ".
"authors, reviewers or CCs.");
}
}
break;
case DifferentialAction::ACTION_CLAIM:
if ($actor_is_author) {
throw new Exception("You can not commandeer your own revision.");
}
switch ($revision_status) {
case ArcanistDifferentialRevisionStatus::CLOSED:
throw new DifferentialActionHasNoEffectException(
"You can not commandeer this revision because it has ".
"already been closed.");
break;
}
$this->setAddedReviewers(array($revision->getAuthorPHID()));
$this->setRemovedReviewers(array($actor_phid));
// NOTE: Set the new author PHID before calling addReviewers(), since it
// doesn't permit the author to become a reviewer.
$revision->setAuthorPHID($actor_phid);
list($added_reviewers, $removed_reviewers) = $this->alterReviewers();
if ($added_reviewers) {
$key = DifferentialComment::METADATA_ADDED_REVIEWERS;
$metadata[$key] = $added_reviewers;
}
if ($removed_reviewers) {
$key = DifferentialComment::METADATA_REMOVED_REVIEWERS;
$metadata[$key] = $removed_reviewers;
}
break;
default:
throw new Exception('Unsupported action.');
}
// Update information about reviewer in charge.
if ($action == DifferentialAction::ACTION_ACCEPT ||
$action == DifferentialAction::ACTION_REJECT) {
$revision->setLastReviewerPHID($actor_phid);
}
// TODO: Call beginReadLocking() prior to loading the revision.
$revision->openTransaction();
// Always save the revision (even if we didn't actually change any of its
// properties) so that it jumps to the top of the revision list when sorted
// by "updated". Notably, this allows "ping" comments to push it to the
// top of the action list.
$revision->save();
if ($action != DifferentialAction::ACTION_RESIGN) {
DifferentialRevisionEditor::addCC(
$revision,
$actor_phid,
$actor_phid);
}
$comment = id(new DifferentialComment())
->setAuthorPHID($actor_phid)
->setRevisionID($revision->getID())
->setAction($action)
->setContent((string)$this->message)
->setMetadata($metadata);
if ($this->contentSource) {
$comment->setContentSource($this->contentSource);
}
$comment->save();
$changesets = array();
if ($inline_comments) {
$load_ids = mpull($inline_comments, 'getChangesetID');
if ($load_ids) {
$load_ids = array_unique($load_ids);
$changesets = id(new DifferentialChangeset())->loadAllWhere(
'id in (%Ld)',
$load_ids);
}
foreach ($inline_comments as $inline) {
$inline->setCommentID($comment->getID());
$inline->save();
}
}
// Find any "@mentions" in the comment blocks.
$content_blocks = array($comment->getContent());
foreach ($inline_comments as $inline) {
$content_blocks[] = $inline->getContent();
}
$mention_ccs = PhabricatorMarkupEngine::extractPHIDsFromMentions(
$content_blocks);
if ($mention_ccs) {
$mention_ccs = $this->filterAddedCCs($mention_ccs);
if ($mention_ccs) {
$metadata = $comment->getMetadata();
$metacc = idx(
$metadata,
DifferentialComment::METADATA_ADDED_CCS,
array());
foreach ($mention_ccs as $cc_phid) {
DifferentialRevisionEditor::addCC(
$revision,
$cc_phid,
$actor_phid);
$metacc[] = $cc_phid;
}
$metadata[DifferentialComment::METADATA_ADDED_CCS] = $metacc;
$comment->setMetadata($metadata);
$comment->save();
}
}
$revision->saveTransaction();
$phids = array($actor_phid);
$handles = id(new PhabricatorObjectHandleData($phids))
->loadHandles();
$actor_handle = $handles[$actor_phid];
$xherald_header = HeraldTranscript::loadXHeraldRulesHeader(
$revision->getPHID());
if (!$this->noEmail) {
id(new DifferentialCommentMail(
$revision,
$actor_handle,
$comment,
$changesets,
$inline_comments))
->setExcludeMailRecipientPHIDs($this->getExcludeMailRecipientPHIDs())
->setToPHIDs(
array_merge(
$revision->getReviewers(),
array($revision->getAuthorPHID())))
->setCCPHIDs($revision->getCCPHIDs())
->setChangedByCommit($this->getChangedByCommit())
->setXHeraldRulesHeader($xherald_header)
->setParentMessageID($this->parentMessageID)
->send();
}
$event_data = array(
'revision_id' => $revision->getID(),
'revision_phid' => $revision->getPHID(),
'revision_name' => $revision->getTitle(),
'revision_author_phid' => $revision->getAuthorPHID(),
'action' => $comment->getAction(),
'feedback_content' => $comment->getContent(),
'actor_phid' => $actor_phid,
);
id(new PhabricatorTimelineEvent('difx', $event_data))
->recordEvent();
// TODO: Move to a daemon?
id(new PhabricatorFeedStoryPublisher())
->setStoryType(PhabricatorFeedStoryTypeConstants::STORY_DIFFERENTIAL)
->setStoryData($event_data)
->setStoryTime(time())
->setStoryAuthorPHID($actor_phid)
->setRelatedPHIDs(
array(
$revision->getPHID(),
$actor_phid,
$revision->getAuthorPHID(),
))
->setPrimaryObjectPHID($revision->getPHID())
->setSubscribedPHIDs(
array_merge(
array($revision->getAuthorPHID()),
$revision->getReviewers(),
$revision->getCCPHIDs()))
->publish();
// TODO: Move to a daemon?
PhabricatorSearchDifferentialIndexer::indexRevision($revision);
return $comment;
}
private function filterAddedCCs(array $ccs) {
$revision = $this->revision;
$current_ccs = $revision->getCCPHIDs();
$current_ccs = array_fill_keys($current_ccs, true);
$reviewer_phids = $revision->getReviewers();
$reviewer_phids = array_fill_keys($reviewer_phids, true);
foreach ($ccs as $key => $cc) {
if (isset($current_ccs[$cc])) {
unset($ccs[$key]);
}
if (isset($reviewer_phids[$cc])) {
unset($ccs[$key]);
}
if ($cc == $revision->getAuthorPHID()) {
unset($ccs[$key]);
}
}
return $ccs;
}
private function alterReviewers() {
$actor_phid = $this->getActor()->getPHID();
$revision = $this->revision;
$added_reviewers = $this->getAddedReviewers();
$removed_reviewers = $this->getRemovedReviewers();
$reviewer_phids = $revision->getReviewers();
$reviewer_phids_map = array_fill_keys($reviewer_phids, true);
foreach ($added_reviewers as $k => $user_phid) {
if ($user_phid == $revision->getAuthorPHID()) {
unset($added_reviewers[$k]);
}
if (isset($reviewer_phids_map[$user_phid])) {
unset($added_reviewers[$k]);
}
}
foreach ($removed_reviewers as $k => $user_phid) {
if (!isset($reviewer_phids_map[$user_phid])) {
unset($removed_reviewers[$k]);
}
}
$added_reviewers = array_unique($added_reviewers);
$removed_reviewers = array_unique($removed_reviewers);
if ($added_reviewers) {
DifferentialRevisionEditor::alterReviewers(
$revision,
$reviewer_phids,
$removed_reviewers,
$added_reviewers,
$actor_phid);
}
return array($added_reviewers, $removed_reviewers);
}
}

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