DiffusionPathIDQuery.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	final class DiffusionPathIDQuery {

	public function __construct(array $paths) {
	$this->paths = $paths;
	}

	public function loadPathIDs() {
	$repository = new PhabricatorRepository();

	$path_normal_map = array();
	foreach ($this->paths as $path) {
	$normal = self::normalizePath($path);
	$path_normal_map[$normal][] = $path;
	}

	$paths = queryfx_all(
	$repository->establishConnection('r'),
	'SELECT * FROM %T WHERE path IN (%Ls)',
	PhabricatorRepository::TABLE_PATH,
	array_keys($path_normal_map));
	$paths = ipull($paths, 'id', 'path');

	$result = array();

	foreach ($path_normal_map as $normal => $originals) {
	foreach ($originals as $original) {
	$result[$original] = idx($paths, $normal);
	}
	}

	return $result;
	}

	public static function normalizePath($path) {
	return '/'.trim($path, '/');
	}

	}