DifferentialQueryDiffsConduitAPIMethod.php
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	<?php

	final class DifferentialQueryDiffsConduitAPIMethod
	extends DifferentialConduitAPIMethod {

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

	public function getMethodDescription() {
	return pht('Query differential diffs which match certain criteria.');
	}

	protected function defineParamTypes() {
	return array(
	'ids' => 'optional list<uint>',
	'revisionIDs' => 'optional list<uint>',
	);
	}

	protected function defineReturnType() {
	return 'list<dict>';
	}

	protected function execute(ConduitAPIRequest $request) {
	$ids = $request->getValue('ids', array());
	$revision_ids = $request->getValue('revisionIDs', array());

	if (!$ids && !$revision_ids) {
	// This method just returns nothing if you pass no constraints because
	// pagination hadn't been invented yet in 2008 when this method was
	// written.
	return array();
	}

	$query = id(new DifferentialDiffQuery())
	->setViewer($request->getUser())
	->needChangesets(true);

	if ($ids) {
	$query->withIDs($ids);
	}

	if ($revision_ids) {
	$query->withRevisionIDs($revision_ids);
	}

	$diffs = $query->execute();

	return mpull($diffs, 'getDiffDict', 'getID');
	}

	}