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phab/src/applications/maniphest/editor/ManiphestTransactionEditor.php
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ManiphestTransactionEditor.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.
*/
/**
* @group maniphest
*/
final class ManiphestTransactionEditor {
private $parentMessageID;
private $auxiliaryFields = array();
public function setAuxiliaryFields(array $fields) {
assert_instances_of($fields, 'ManiphestAuxiliaryFieldSpecification');
$this->auxiliaryFields = $fields;
return $this;
}
public function setParentMessageID($parent_message_id) {
$this->parentMessageID = $parent_message_id;
return $this;
}
public function applyTransactions(ManiphestTask $task, array $transactions) {
assert_instances_of($transactions, 'ManiphestTransaction');
$email_cc = $task->getCCPHIDs();
$email_to = array();
$email_to[] = $task->getOwnerPHID();
$pri_changed = $this->isCreate($transactions);
foreach ($transactions as $key => $transaction) {
$type = $transaction->getTransactionType();
$new = $transaction->getNewValue();
$email_to[] = $transaction->getAuthorPHID();
$value_is_phid_set = false;
switch ($type) {
case ManiphestTransactionType::TYPE_NONE:
$old = null;
break;
case ManiphestTransactionType::TYPE_STATUS:
$old = $task->getStatus();
break;
case ManiphestTransactionType::TYPE_OWNER:
$old = $task->getOwnerPHID();
break;
case ManiphestTransactionType::TYPE_CCS:
$old = $task->getCCPHIDs();
$value_is_phid_set = true;
break;
case ManiphestTransactionType::TYPE_PRIORITY:
$old = $task->getPriority();
break;
case ManiphestTransactionType::TYPE_ATTACH:
$old = $task->getAttached();
break;
case ManiphestTransactionType::TYPE_TITLE:
$old = $task->getTitle();
break;
case ManiphestTransactionType::TYPE_DESCRIPTION:
$old = $task->getDescription();
break;
case ManiphestTransactionType::TYPE_PROJECTS:
$old = $task->getProjectPHIDs();
$value_is_phid_set = true;
break;
case ManiphestTransactionType::TYPE_AUXILIARY:
$aux_key = $transaction->getMetadataValue('aux:key');
if (!$aux_key) {
throw new Exception(
"Expected 'aux:key' metadata on TYPE_AUXILIARY transaction.");
}
$old = $task->getAuxiliaryAttribute($aux_key);
break;
default:
throw new Exception('Unknown action type.');
}
$old_cmp = $old;
$new_cmp = $new;
if ($value_is_phid_set) {
// Normalize the old and new values if they are PHID sets so we don't
// get any no-op transactions where the values differ only by keys,
// order, duplicates, etc.
if (is_array($old)) {
$old = array_filter($old);
$old = array_unique($old);
sort($old);
$old = array_values($old);
$old_cmp = $old;
}
if (is_array($new)) {
$new = array_filter($new);
$new = array_unique($new);
$transaction->setNewValue($new);
$new_cmp = $new;
sort($new_cmp);
$new_cmp = array_values($new_cmp);
}
}
if (($old !== null) && ($old_cmp == $new_cmp)) {
if (count($transactions) > 1 && !$transaction->hasComments()) {
// If we have at least one other transaction and this one isn't
// doing anything and doesn't have any comments, just throw it
// away.
unset($transactions[$key]);
continue;
} else {
$transaction->setOldValue(null);
$transaction->setNewValue(null);
$transaction->setTransactionType(ManiphestTransactionType::TYPE_NONE);
}
} else {
switch ($type) {
case ManiphestTransactionType::TYPE_NONE:
break;
case ManiphestTransactionType::TYPE_STATUS:
$task->setStatus($new);
break;
case ManiphestTransactionType::TYPE_OWNER:
if ($new) {
$handles = id(new PhabricatorObjectHandleData(array($new)))
->loadHandles();
$task->setOwnerOrdering($handles[$new]->getName());
} else {
$task->setOwnerOrdering(null);
}
$task->setOwnerPHID($new);
break;
case ManiphestTransactionType::TYPE_CCS:
$task->setCCPHIDs($new);
break;
case ManiphestTransactionType::TYPE_PRIORITY:
$task->setPriority($new);
$pri_changed = true;
break;
case ManiphestTransactionType::TYPE_ATTACH:
$task->setAttached($new);
break;
case ManiphestTransactionType::TYPE_TITLE:
$task->setTitle($new);
break;
case ManiphestTransactionType::TYPE_DESCRIPTION:
$task->setDescription($new);
break;
case ManiphestTransactionType::TYPE_PROJECTS:
$task->setProjectPHIDs($new);
break;
case ManiphestTransactionType::TYPE_AUXILIARY:
$aux_key = $transaction->getMetadataValue('aux:key');
$task->setAuxiliaryAttribute($aux_key, $new);
break;
default:
throw new Exception('Unknown action type.');
}
$transaction->setOldValue($old);
$transaction->setNewValue($new);
}
}
if ($pri_changed) {
$subpriority = ManiphestTransactionEditor::getNextSubpriority(
$task->getPriority(),
null);
$task->setSubpriority($subpriority);
}
$task->save();
foreach ($transactions as $transaction) {
$transaction->setTaskID($task->getID());
$transaction->save();
}
$email_to[] = $task->getOwnerPHID();
$email_cc = array_merge(
$email_cc,
$task->getCCPHIDs());
$this->publishFeedStory($task, $transactions);
// TODO: Do this offline via timeline
PhabricatorSearchManiphestIndexer::indexTask($task);
$this->sendEmail($task, $transactions, $email_to, $email_cc);
}
protected function getSubjectPrefix() {
return PhabricatorEnv::getEnvConfig('metamta.maniphest.subject-prefix');
}
private function sendEmail($task, $transactions, $email_to, $email_cc) {
$email_to = array_filter(array_unique($email_to));
$email_cc = array_filter(array_unique($email_cc));
$phids = array();
foreach ($transactions as $transaction) {
foreach ($transaction->extractPHIDs() as $phid) {
$phids[$phid] = true;
}
}
foreach ($email_to as $phid) {
$phids[$phid] = true;
}
foreach ($email_cc as $phid) {
$phids[$phid] = true;
}
$phids = array_keys($phids);
$handles = id(new PhabricatorObjectHandleData($phids))
->loadHandles();
$view = new ManiphestTransactionDetailView();
$view->setTransactionGroup($transactions);
$view->setHandles($handles);
$view->setAuxiliaryFields($this->auxiliaryFields);
list($action, $body) = $view->renderForEmail($with_date = false);
$is_create = $this->isCreate($transactions);
$task_uri = PhabricatorEnv::getURI('/T'.$task->getID());
$reply_handler = $this->buildReplyHandler($task);
if ($is_create) {
$body .=
"\n\n".
"TASK DESCRIPTION\n".
" ".$task->getDescription();
}
$body .=
"\n\n".
"TASK DETAIL\n".
" ".$task_uri."\n";
$reply_instructions = $reply_handler->getReplyHandlerInstructions();
if ($reply_instructions) {
$body .=
"\n".
"REPLY HANDLER ACTIONS\n".
" ".$reply_instructions."\n";
}
$thread_id = 'maniphest-task-'.$task->getPHID();
$task_id = $task->getID();
$title = $task->getTitle();
$prefix = $this->getSubjectPrefix();
$subject = trim("{$prefix} T{$task_id}: {$title}");
$vary_subject = trim("{$prefix} [{$action}] T{$task_id}: {$title}");
$mailtags = $this->getMailTags($transactions);
$template = id(new PhabricatorMetaMTAMail())
->setSubject($subject)
->setVarySubject($vary_subject)
->setFrom($transaction->getAuthorPHID())
->setParentMessageID($this->parentMessageID)
->addHeader('Thread-Topic', 'Maniphest Task '.$task->getID())
->setThreadID($thread_id, $is_create)
->setRelatedPHID($task->getPHID())
->setIsBulk(true)
->setMailTags($mailtags)
->setBody($body);
$mails = $reply_handler->multiplexMail(
$template,
array_select_keys($handles, $email_to),
array_select_keys($handles, $email_cc));
foreach ($mails as $mail) {
$mail->saveAndSend();
}
}
public function buildReplyHandler(ManiphestTask $task) {
$handler_object = PhabricatorEnv::newObjectFromConfig(
'metamta.maniphest.reply-handler');
$handler_object->setMailReceiver($task);
return $handler_object;
}
private function publishFeedStory(ManiphestTask $task, array $transactions) {
assert_instances_of($transactions, 'ManiphestTransaction');
$actions = array(ManiphestAction::ACTION_UPDATE);
$comments = null;
foreach ($transactions as $transaction) {
if ($transaction->hasComments()) {
$comments = $transaction->getComments();
}
$type = $transaction->getTransactionType();
switch ($type) {
case ManiphestTransactionType::TYPE_OWNER:
$actions[] = ManiphestAction::ACTION_ASSIGN;
break;
case ManiphestTransactionType::TYPE_STATUS:
if ($task->getStatus() != ManiphestTaskStatus::STATUS_OPEN) {
$actions[] = ManiphestAction::ACTION_CLOSE;
} else if ($this->isCreate($transactions)) {
$actions[] = ManiphestAction::ACTION_CREATE;
} else {
$actions[] = ManiphestAction::ACTION_REOPEN;
}
break;
default:
break;
}
}
$action_type = ManiphestAction::selectStrongestAction($actions);
$owner_phid = $task->getOwnerPHID();
$actor_phid = head($transactions)->getAuthorPHID();
$author_phid = $task->getAuthorPHID();
id(new PhabricatorFeedStoryPublisher())
->setStoryType(PhabricatorFeedStoryTypeConstants::STORY_MANIPHEST)
->setStoryData(array(
'taskPHID' => $task->getPHID(),
'transactionIDs' => mpull($transactions, 'getID'),
'ownerPHID' => $owner_phid,
'action' => $action_type,
'comments' => $comments,
'description' => $task->getDescription(),
))
->setStoryTime(time())
->setStoryAuthorPHID($actor_phid)
->setRelatedPHIDs(
array_merge(
array_filter(
array(
$task->getPHID(),
$author_phid,
$actor_phid,
$owner_phid,
)),
$task->getProjectPHIDs()))
->setPrimaryObjectPHID($task->getPHID())
->setSubscribedPHIDs(
array_merge(
array_filter(
array(
$author_phid,
$owner_phid,
$actor_phid
)
),
$task->getCCPHIDs()))
->publish();
}
private function isCreate(array $transactions) {
assert_instances_of($transactions, 'ManiphestTransaction');
$is_create = false;
foreach ($transactions as $transaction) {
$type = $transaction->getTransactionType();
if (($type == ManiphestTransactionType::TYPE_STATUS) &&
($transaction->getOldValue() === null) &&
($transaction->getNewValue() == ManiphestTaskStatus::STATUS_OPEN)) {
$is_create = true;
}
}
return $is_create;
}
private function getMailTags(array $transactions) {
assert_instances_of($transactions, 'ManiphestTransaction');
$tags = array();
foreach ($transactions as $xaction) {
switch ($xaction->getTransactionType()) {
case ManiphestTransactionType::TYPE_CCS:
$tags[] = MetaMTANotificationType::TYPE_MANIPHEST_CC;
break;
case ManiphestTransactionType::TYPE_PROJECTS:
$tags[] = MetaMTANotificationType::TYPE_MANIPHEST_PROJECTS;
break;
case ManiphestTransactionType::TYPE_PRIORITY:
$tags[] = MetaMTANotificationType::TYPE_MANIPHEST_PRIORITY;
break;
default:
$tags[] = MetaMTANotificationType::TYPE_MANIPHEST_OTHER;
break;
}
if ($xaction->hasComments()) {
$tags[] = MetaMTANotificationType::TYPE_MANIPHEST_COMMENT;
}
}
return array_unique($tags);
}
public static function getNextSubpriority($pri, $sub) {
if ($sub === null) {
$next = id(new ManiphestTask())->loadOneWhere(
'priority = %d ORDER BY subpriority ASC LIMIT 1',
$pri);
if ($next) {
return $next->getSubpriority() - ((double)(2 << 16));
}
} else {
$next = id(new ManiphestTask())->loadOneWhere(
'priority = %d AND subpriority > %s ORDER BY subpriority ASC LIMIT 1',
$pri,
$sub);
if ($next) {
return ($sub + $next->getSubpriority()) / 2;
}
}
return (double)(2 << 32);
}
}
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