DifferentialGetRawDiffConduitAPIMethod.php
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	<?php

	final class DifferentialGetRawDiffConduitAPIMethod
	extends DifferentialConduitAPIMethod {

	public function getAPIMethodName() {
	return 'differential.getrawdiff';
	}

	public function getMethodDescription() {
	return pht('Retrieve a raw diff');
	}

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

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

	protected function defineErrorTypes() {
	return array(
	'ERR_NOT_FOUND' => pht('Diff not found.'),
	);
	}

	protected function execute(ConduitAPIRequest $request) {
	$diff_id = $request->getValue('diffID');

	$viewer = $request->getUser();

	$diff = id(new DifferentialDiffQuery())
	->withIDs(array($diff_id))
	->setViewer($viewer)
	->needChangesets(true)
	->executeOne();

	if (!$diff) {
	throw new ConduitException('ERR_NOT_FOUND');
	}

	$renderer = id(new DifferentialRawDiffRenderer())
	->setChangesets($diff->getChangesets())
	->setViewer($viewer)
	->setFormat('git');

	return $renderer->buildPatch();
	}

	}