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MetaMTAEmailTransactionCommand.php
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Created
Sun, Feb 2, 04:02

MetaMTAEmailTransactionCommand.php
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<?php
abstract class MetaMTAEmailTransactionCommand extends Phobject {
abstract public function getCommand();
abstract public function isCommandSupportedForObject(
PhabricatorApplicationTransactionInterface $object);
abstract public function buildTransactions(
PhabricatorUser $viewer,
PhabricatorApplicationTransactionInterface $object,
PhabricatorMetaMTAReceivedMail $mail,
$command,
array $argv);
public function getCommandAliases() {
return array();
}
public function getCommandObjects() {
return array($this);
}
public static function getAllCommands() {
static $commands;
if ($commands === null) {
$kinds = id(new PhutilSymbolLoader())
->setAncestorClass(__CLASS__)
->loadObjects();
$commands = array();
foreach ($kinds as $kind) {
foreach ($kind->getCommandObjects() as $command) {
$commands[] = $command;
}
}
}
return $commands;
}
public static function getAllCommandsForObject(
PhabricatorApplicationTransactionInterface $object) {
$commands = self::getAllCommands();
foreach ($commands as $key => $command) {
if (!$command->isCommandSupportedForObject($object)) {
unset($commands[$key]);
}
}
return $commands;
}
public static function getCommandMap(array $commands) {
assert_instances_of($commands, 'MetaMTAEmailTransactionCommand');
$map = array();
foreach ($commands as $command) {
$keywords = $command->getCommandAliases();
$keywords[] = $command->getCommand();
foreach ($keywords as $keyword) {
$keyword = phutil_utf8_strtolower($keyword);
if (empty($map[$keyword])) {
$map[$keyword] = $command;
} else {
throw new Exception(
pht(
'Mail commands "%s" and "%s" both respond to keyword "%s". '.
'Keywords must be uniquely associated with commands.',
get_class($command),
get_class($map[$keyword]),
$keyword));
}
}
}
return $map;
}
}

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