PhrictionHistoryConduitAPIMethod.php
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	<?php

	final class PhrictionHistoryConduitAPIMethod extends PhrictionConduitAPIMethod {

	public function getAPIMethodName() {
	return 'phriction.history';
	}

	public function getMethodDescription() {
	return pht('Retrieve history about a Phriction document.');
	}

	protected function defineParamTypes() {
	return array(
	'slug' => 'required string',
	);
	}

	protected function defineReturnType() {
	return 'nonempty list';
	}

	protected function defineErrorTypes() {
	return array(
	'ERR-BAD-DOCUMENT' => pht('No such document exists.'),
	);
	}

	protected function execute(ConduitAPIRequest $request) {
	$slug = $request->getValue('slug');
	$doc = id(new PhrictionDocumentQuery())
	->setViewer($request->getUser())
	->withSlugs(array(PhabricatorSlug::normalize($slug)))
	->executeOne();
	if (!$doc) {
	throw new ConduitException('ERR-BAD-DOCUMENT');
	}

	$content = id(new PhrictionContent())->loadAllWhere(
	'documentID = %d ORDER BY version DESC',
	$doc->getID());

	$results = array();
	foreach ($content as $version) {
	$results[] = $this->buildDocumentContentDictionary(
	$doc,
	$version);
	}

	return $results;
	}

	}