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ReleephRequestMail.php
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Wed, Oct 2, 21:25

ReleephRequestMail.php
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<?php
/**
* Build an email that renders a group of events with and appends some standard
* Releeph things (a URI for this request, and this branch).
*
* Also includes some helper stuff for adding groups of people to the To: and
* Cc: headers.
*/
final class ReleephRequestMail {
const ENT_REQUESTOR = 'requestor';
const ENT_DIFF = 'diff';
const ENT_ALL_PUSHERS = 'pushers';
const ENT_ACTORS = 'actors';
const ENT_INTERESTED_PUSHERS = 'interested-pushers';
private $sender;
private $tos = array();
private $ccs = array();
private $events;
private $releephRequest;
private $releephProject;
public function setReleephRequest(ReleephRequest $rq) {
$this->releephRequest = $rq;
return $this;
}
public function setReleephProject(ReleephProject $rp) {
$this->releephProject = $rp;
return $this;
}
public function setEvents(array $events) {
assert_instances_of($events, 'ReleephRequestEvent');
$this->events = $events;
return $this;
}
public function setSenderAndRecipientPHID($sender_phid) {
$this->sender = $sender_phid;
$this->tos[] = $sender_phid;
return $this;
}
public function addTos($entity) {
$this->tos = array_merge(
$this->tos,
$this->getEntityPHIDs($entity));
return $this;
}
public function addCcs($entity) {
$this->ccs = array_merge(
$this->tos,
$this->getEntityPHIDs($entity));
return $this;
}
public function send() {
$this->buildMail()->save();
}
public function buildMail() {
return id(new PhabricatorMetaMTAMail())
->setSubject($this->renderSubject())
->setBody($this->buildBody()->render())
->setFrom($this->sender)
->addTos($this->tos)
->addCCs($this->ccs);
}
private function getEntityPHIDs($entity) {
$phids = array();
switch ($entity) {
// The requestor
case self::ENT_REQUESTOR:
$phids[] = $this->releephRequest->getRequestUserPHID();
break;
// People on the original diff
case self::ENT_DIFF:
$commit = $this->releephRequest->loadPhabricatorRepositoryCommit();
$commit_data = $commit->loadCommitData();
if ($commit_data) {
$phids[] = $commit_data->getCommitDetail('reviewerPHID');
$phids[] = $commit_data->getCommitDetail('authorPHID');
}
break;
// All pushers for this project
case self::ENT_ALL_PUSHERS:
$phids = array_merge(
$phids,
$this->releephProject->getPushers());
break;
// Pushers who have explicitly wanted or passed on this request
case self::ENT_INTERESTED_PUSHERS:
$all_pushers = $this->releephProject->getPushers();
$intents = $this->releephRequest->getUserIntents();
foreach ($all_pushers as $pusher) {
if (idx($intents, $pusher)) {
$phids[] = $pusher;
}
}
break;
// Anyone who created our list of events
case self::ENT_ACTORS:
$phids = array_merge(
$phids,
mpull($this->events, 'getActorPHID'));
break;
default:
throw new Exception(
"Unknown entity type {$entity}!");
break;
}
return array_filter($phids);
}
private function buildBody() {
$body = new PhabricatorMetaMTAMailBody();
$rq = $this->releephRequest;
// Events and comments
$phids = array(
$rq->getPHID(),
);
foreach ($this->events as $event) {
$phids = array_merge($phids, $event->extractPHIDs());
}
$handles = id(new PhabricatorObjectHandleData($phids))
// By the time we're generating email, we can assume that whichever
// entitties are receving the email are authorized to see the loaded
// handles!
->setViewer(PhabricatorUser::getOmnipotentUser())
->loadHandles();
$raw_events = id(new ReleephRequestEventListView())
->setUser(PhabricatorUser::getOmnipotentUser())
->setHandles($handles)
->setEvents($this->events)
->renderForEmail();
$body->addRawSection($raw_events);
$project = $rq->loadReleephProject();
$branch = $rq->loadReleephBranch();
/**
* If any of the events we are emailing about were TYPE_PICK_STATUS where
* the newPickStatus was a pick failure (and/or a revert failure?), include
* pick failure instructions.
*/
$pick_failure_events = array();
foreach ($this->events as $event) {
if ($event->getType() == ReleephRequestEvent::TYPE_PICK_STATUS &&
$event->getDetail('newPickStatus') == ReleephRequest::PICK_FAILED) {
$pick_failure_events[] = $event;
}
}
if ($pick_failure_events) {
$instructions = $project->getDetail('pick_failure_instructions');
if ($instructions) {
$body->addTextSection('PICK FAILURE INSTRUCTIONS', $instructions);
}
}
// Common stuff at the end
$body->addTextSection(
'RELEEPH REQUEST',
$handles[$rq->getPHID()]->getFullName()."\n".
PhabricatorEnv::getProductionURI('/RQ'.$rq->getID()));
$project_and_branch = sprintf(
'%s - %s',
$project->getName(),
$branch->getDisplayNameWithDetail());
$body->addTextSection(
'RELEEPH BRANCH',
$project_and_branch."\n".
$branch->getURI());
// But verbose stuff at the *very* end!
foreach ($pick_failure_events as $event) {
$failure_details = $event->getDetail('commitDetails');
if ($failure_details) {
$body->addRawSection('PICK FAILURE DETAILS');
foreach ($failure_details as $heading => $data) {
$body->addTextSection($heading, $data);
}
}
}
return $body;
}
private function renderSubject() {
$rq = $this->releephRequest;
$id = $rq->getID();
$summary = $rq->getSummaryForDisplay();
return "RQ{$id}: {$summary}";
}
}

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