<?php
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/**
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* Copyright 2019 Huawei Technologies Co.,Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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* this file except in compliance with the License. You may obtain a copy of the
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* License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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namespace Obs\Internal\Common;
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class SchemaFormatter
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{
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protected static $utcTimeZone;
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public static function format($fmt, $value)
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{
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if($fmt === 'date-time'){
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return self::formatDateTime($value);
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}
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if($fmt === 'data-time-http'){
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return self::formatDateTimeHttp($value);
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}
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if($fmt === 'data-time-middle'){
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return self::formatDateTimeMiddle($value);
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}
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if($fmt === 'date'){
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return self::formatDate($value);
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}
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if($fmt === 'timestamp'){
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return self::formatTimestamp($value);
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}
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if($fmt === 'boolean-string'){
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return self::formatBooleanAsString($value);
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}
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return $value;
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}
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public static function formatDateTimeMiddle($dateTime)
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{
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if (is_string($dateTime)) {
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$dateTime = new \DateTime($dateTime);
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}
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if ($dateTime instanceof \DateTime) {
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return $dateTime -> format('Y-m-d\T00:00:00\Z');
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}
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return null;
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}
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public static function formatDateTime($value)
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{
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return self::dateFormatter($value, 'Y-m-d\TH:i:s\Z');
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}
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public static function formatDateTimeHttp($value)
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{
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return self::dateFormatter($value, 'D, d M Y H:i:s \G\M\T');
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}
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public static function formatDate($value)
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{
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return self::dateFormatter($value, 'Y-m-d');
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}
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public static function formatTime($value)
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{
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return self::dateFormatter($value, 'H:i:s');
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}
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public static function formatBooleanAsString($value)
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{
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return filter_var($value, FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false';
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}
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public static function formatTimestamp($value)
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{
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return (int) self::dateFormatter($value, 'U');
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}
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private static function dateFormatter($dt, $fmt)
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{
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if (is_numeric($dt)) {
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return gmdate($fmt, (int) $dt);
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}
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if (is_string($dt)) {
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$dt = new \DateTime($dt);
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}
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if ($dt instanceof \DateTime) {
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if (!self::$utcTimeZone) {
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self::$utcTimeZone = new \DateTimeZone('UTC');
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}
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return $dt->setTimezone(self::$utcTimeZone)->format($fmt);
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}
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return null;
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}
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}
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