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DifferentialReplyHandler.php
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Fri, Jan 3, 17:53

DifferentialReplyHandler.php
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<?php
/**
* NOTE: Do not extend this!
*
* @concrete-extensible
*/
class DifferentialReplyHandler extends PhabricatorMailReplyHandler {
private $receivedMail;
public function validateMailReceiver($mail_receiver) {
if (!($mail_receiver instanceof DifferentialRevision)) {
throw new Exception('Receiver is not a DifferentialRevision!');
}
}
public function getPrivateReplyHandlerEmailAddress(
PhabricatorObjectHandle $handle) {
return $this->getDefaultPrivateReplyHandlerEmailAddress($handle, 'D');
}
public function getPublicReplyHandlerEmailAddress() {
return $this->getDefaultPublicReplyHandlerEmailAddress('D');
}
public function getReplyHandlerDomain() {
return PhabricatorEnv::getEnvConfig(
'metamta.differential.reply-handler-domain');
}
/*
* Generate text like the following from the supported commands.
* "
*
* ACTIONS
* Reply to comment, or !accept, !reject, !abandon, !resign, !reclaim.
*
* "
*/
public function getReplyHandlerInstructions() {
if (!$this->supportsReplies()) {
return null;
}
$supported_commands = $this->getSupportedCommands();
$text = '';
if (empty($supported_commands)) {
return $text;
}
$comment_command_printed = false;
if (in_array(DifferentialAction::ACTION_COMMENT, $supported_commands)) {
$text .= pht('Reply to comment');
$comment_command_printed = true;
$supported_commands = array_diff(
$supported_commands, array(DifferentialAction::ACTION_COMMENT));
}
if (!empty($supported_commands)) {
if ($comment_command_printed) {
$text .= ', or ';
}
$modified_commands = array();
foreach ($supported_commands as $command) {
$modified_commands[] = '!'.$command;
}
$text .= implode(', ', $modified_commands);
}
$text .= '.';
return $text;
}
public function getSupportedCommands() {
$actions = array(
DifferentialAction::ACTION_COMMENT,
DifferentialAction::ACTION_REJECT,
DifferentialAction::ACTION_ABANDON,
DifferentialAction::ACTION_RECLAIM,
DifferentialAction::ACTION_RESIGN,
DifferentialAction::ACTION_RETHINK,
'unsubscribe',
);
if (PhabricatorEnv::getEnvConfig('differential.enable-email-accept')) {
$actions[] = DifferentialAction::ACTION_ACCEPT;
}
return $actions;
}
protected function receiveEmail(PhabricatorMetaMTAReceivedMail $mail) {
$this->receivedMail = $mail;
$this->handleAction($mail->getCleanTextBody(), $mail->getAttachments());
}
public function handleAction($body, array $attachments) {
// all commands start with a bang and separated from the body by a newline
// to make sure that actual feedback text couldn't trigger an action.
// unrecognized commands will be parsed as part of the comment.
$command = DifferentialAction::ACTION_COMMENT;
$supported_commands = $this->getSupportedCommands();
$regex = "/\A\n*!(".implode('|', $supported_commands).")\n*/";
$matches = array();
if (preg_match($regex, $body, $matches)) {
$command = $matches[1];
$body = trim(str_replace('!'.$command, '', $body));
}
$actor = $this->getActor();
if (!$actor) {
throw new Exception('No actor is set for the reply action.');
}
switch ($command) {
case 'unsubscribe':
id(new PhabricatorSubscriptionsEditor())
->setObject($this->getMailReceiver())
->unsubscribe(array($actor->getPHID()))
->save();
// TODO: Send the user a confirmation email?
return null;
}
$body = $this->enhanceBodyWithAttachments($body, $attachments);
$xactions = array();
if ($command && ($command != DifferentialAction::ACTION_COMMENT)) {
$xactions[] = id(new DifferentialTransaction())
->setTransactionType(DifferentialTransaction::TYPE_ACTION)
->setNewValue($command);
}
if (strlen($body)) {
$xactions[] = id(new DifferentialTransaction())
->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)
->attachComment(
id(new DifferentialTransactionComment())
->setContent($body));
}
$editor = id(new DifferentialTransactionEditor())
->setActor($actor)
->setExcludeMailRecipientPHIDs($this->getExcludeMailRecipientPHIDs())
->setContinueOnMissingFields(true)
->setContinueOnNoEffect(true);
// NOTE: We have to be careful about this because Facebook's
// implementation jumps straight into handleAction() and will not have
// a PhabricatorMetaMTAReceivedMail object.
if ($this->receivedMail) {
$content_source = PhabricatorContentSource::newForSource(
PhabricatorContentSource::SOURCE_EMAIL,
array(
'id' => $this->receivedMail->getID(),
));
$editor->setContentSource($content_source);
$editor->setParentMessageID($this->receivedMail->getMessageID());
} else {
$content_source = PhabricatorContentSource::newForSource(
PhabricatorContentSource::SOURCE_LEGACY,
array());
$editor->setContentSource($content_source);
}
$editor->applyTransactions($this->getMailReceiver(), $xactions);
}
}

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