PhabricatorFactSpec.php
377a29644ffdproduction

PhabricatorFactSpec.php
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			<?php

			/*
			* Copyright 2012 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.
			*/

			abstract class PhabricatorFactSpec {

			const UNIT_COUNT = 'unit-count';
			const UNIT_EPOCH = 'unit-epoch';

			public static function newSpecsForFactTypes(
			array $engines,
			array $fact_types) {
			assert_instances_of($engines, 'PhabricatorFactEngine');

			$map = array();
			foreach ($engines as $engine) {
			$specs = $engine->getFactSpecs($fact_types);
			$specs = mpull($specs, null, 'getType');
			$map += $specs;
			}

			foreach ($fact_types as $type) {
			if (empty($map[$type])) {
			$map[$type] = new PhabricatorFactSimpleSpec($type);
			}
			}

			return $map;
			}

			abstract public function getType();

			public function getUnit() {
			return null;
			}

			public function getName() {
			$type = $this->getType();
			return "Fact ({$type})";
			}

			public function formatValueForDisplay(PhabricatorUser $user, $value) {
			$unit = $this->getUnit();
			switch ($unit) {
			case self::UNIT_COUNT:
			return number_format($value);
			case self::UNIT_EPOCH:
			return phabricator_datetime($value, $user);
			default:
			return $value;
			}
			}

			}