PhabricatorSystemRemoveDestroyWorkflow.php
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	<?php

	final class PhabricatorSystemRemoveDestroyWorkflow
	extends PhabricatorSystemRemoveWorkflow {

	protected function didConstruct() {
	$this
	->setName('destroy')
	->setSynopsis(pht('Permanently destroy objects.'))
	->setExamples('destroy [__options__] __object__ ...')
	->setArguments(
	array(
	array(
	'name' => 'force',
	'help' => pht('Destroy objects without prompting.'),
	),
	array(
	'name' => 'objects',
	'wildcard' => true,
	),
	));
	}

	public function execute(PhutilArgumentParser $args) {
	$console = PhutilConsole::getConsole();

	$object_names = $args->getArg('objects');
	if (!$object_names) {
	throw new PhutilArgumentUsageException(
	pht('Specify one or more objects to destroy.'));
	}

	$object_query = id(new PhabricatorObjectQuery())
	->setViewer($this->getViewer())
	->withNames($object_names);

	$object_query->execute();

	$named_objects = $object_query->getNamedResults();
	foreach ($object_names as $object_name) {
	if (empty($named_objects[$object_name])) {
	throw new PhutilArgumentUsageException(
	pht('No such object "%s" exists!', $object_name));
	}
	}

	foreach ($named_objects as $object_name => $object) {
	if (!($object instanceof PhabricatorDestructibleInterface)) {
	throw new PhutilArgumentUsageException(
	pht(
	'Object "%s" can not be destroyed (it does not implement %s).',
	$object_name,
	'PhabricatorDestructibleInterface'));
	}
	}

	$banner = <<<EOBANNER
	uuuuuuu
	uu###########uu
	uu#################uu
	u#####################u
	u#######################u
	u#########################u
	u#########################u
	u######" "###" "######u
	"####" u#u ####"
	###u u#u u###
	###u u###u u###
	"####uu### ###uu####"
	"#######" "#######"
	u#######u#######u
	u#"#"#"#"#"#"#u
	uuu ##u# # # # #u## uuu
	u#### #####u#u#u### u####
	#####uu "#########" uu######
	u###########uu """"" uuuu##########
	####"""##########uuu uu#########"""###"
	""" ""###########uu ""#"""
	uuuu ""##########uuu
	u###uuu#########uu ""###########uuu###
	##########"""" ""###########"
	"#####" ""####""
	###" ####"

	EOBANNER;


	$console->writeOut("\n\n<fg:red>%s</fg>\n\n", $banner);

	$console->writeOut(
	"<bg:red> %s </bg> %s\n\n%s\n\n".
	"<bg:red> %s </bg> %s\n\n%s\n\n",
	pht('IMPORTANT'),
	pht('DATA WILL BE PERMANENTLY DESTROYED'),
	phutil_console_wrap(
	pht(
	'Objects will be permanently destroyed. There is no way to '.
	'undo this operation or ever retrieve this data unless you '.
	'maintain external backups.')),
	pht('IMPORTANT'),
	pht('DELETING OBJECTS OFTEN BREAKS THINGS'),
	phutil_console_wrap(
	pht(
	'Destroying objects may cause related objects to stop working, '.
	'and may leave scattered references to objects which no longer '.
	'exist. In most cases, it is much better to disable or archive '.
	'objects instead of destroying them. This risk is greatest when '.
	'deleting complex or highly connected objects like repositories, '.
	'projects and users.'.
	"\n\n".
	'These tattered edges are an expected consequence of destroying '.
	'objects, and the upstream will not help you fix them. We '.
	'strongly recommend disabling or archiving objects instead.')));

	$phids = mpull($named_objects, 'getPHID');
	$handles = PhabricatorUser::getOmnipotentUser()->loadHandles($phids);

	$console->writeOut(
	pht(
	'These %s object(s) will be destroyed forever:',
	phutil_count($named_objects))."\n\n");

	foreach ($named_objects as $object_name => $object) {
	$phid = $object->getPHID();

	$console->writeOut(
	" - %s (%s) %s\n",
	$object_name,
	get_class($object),
	$handles[$phid]->getFullName());
	}

	$force = $args->getArg('force');
	if (!$force) {
	$ok = $console->confirm(
	pht(
	'Are you absolutely certain you want to destroy these %s object(s)?',
	phutil_count($named_objects)));
	if (!$ok) {
	throw new PhutilArgumentUsageException(
	pht('Aborted, your objects are safe.'));
	}
	}

	$console->writeOut("%s\n", pht('Destroying objects...'));

	$notes = array();
	foreach ($named_objects as $object_name => $object) {
	$console->writeOut(
	pht(
	"Destroying %s %s...\n",
	get_class($object),
	$object_name));

	$engine = id(new PhabricatorDestructionEngine())
	->setCollectNotes(true);

	$engine->destroyObject($object);

	foreach ($engine->getNotes() as $note) {
	$notes[] = $note;
	}
	}

	$console->writeOut(
	"%s\n",
	pht(
	'Permanently destroyed %s object(s).',
	phutil_count($named_objects)));

	if ($notes) {
	id(new PhutilConsoleList())
	->addItems($notes)
	->draw();
	}

	return 0;
	}

	}

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