DiffusionGetRecentCommitsByPathConduitAPIMethod.php
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	<?php

	final class DiffusionGetRecentCommitsByPathConduitAPIMethod
	extends DiffusionConduitAPIMethod {

	const DEFAULT_LIMIT = 10;

	public function getAPIMethodName() {
	return 'diffusion.getrecentcommitsbypath';
	}

	public function getMethodDescription() {
	return 'Get commit identifiers for recent commits affecting a given path.';
	}

	protected function defineParamTypes() {
	return array(
	'callsign' => 'required string',
	'path' => 'required string',
	'branch' => 'optional string',
	'limit' => 'optional int',
	);
	}

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

	protected function execute(ConduitAPIRequest $request) {
	$drequest = DiffusionRequest::newFromDictionary(
	array(
	'user' => $request->getUser(),
	'callsign' => $request->getValue('callsign'),
	'path' => $request->getValue('path'),
	'branch' => $request->getValue('branch'),
	));

	$limit = nonempty(
	$request->getValue('limit'),
	self::DEFAULT_LIMIT);

	$history_result = DiffusionQuery::callConduitWithDiffusionRequest(
	$request->getUser(),
	$drequest,
	'diffusion.historyquery',
	array(
	'commit' => $drequest->getCommit(),
	'path' => $drequest->getPath(),
	'offset' => 0,
	'limit' => $limit,
	'needDirectChanges' => true,
	'needChildChanges' => true,
	));
	$history = DiffusionPathChange::newFromConduit(
	$history_result['pathChanges']);

	$raw_commit_identifiers = mpull($history, 'getCommitIdentifier');
	$result = array();
	foreach ($raw_commit_identifiers as $id) {
	$result[] = 'r'.$request->getValue('callsign').$id;
	}
	return $result;
	}

	}