122 lines
3.1 KiB
PHP
122 lines
3.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Dotclear\Plugin\periodical;
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use DateTimeZone;
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use Dotclear\App;
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use Exception;
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/**
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* @brief periodical date helper.
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* @ingroup periodical
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*
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* Tools to manupilate period date
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*
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* @author Jean-Christian Denis
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* @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
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*/
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class Dater
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{
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/**
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* Format a date from UTC to user TZ.
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*
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* @param string $date The date
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* @param string $format The output format
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*
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* @return string The formated date on user timezone
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*/
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public static function fromUser(string $date, string $format = 'Y-m-d H:i:00'): string
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{
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$tz = App::auth()->getInfo('user_tz');
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$d = date_create($date, new DateTimeZone($tz ?? 'UTC'));
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return $d ? date_format($d->setTimezone(new DateTimeZone('UTC')), $format) : '';
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}
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/**
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* Format a date from user TZ to UTC.
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*
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* @param string $date The date
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* @param string $format The output format
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*
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* @return string The formated date on UTC
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*/
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public static function toUser(string $date, string $format = 'Y-m-d\TH:i'): string
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{
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$tz = App::auth()->getInfo('user_tz');
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$d = date_create($date, new DateTimeZone('UTC'));
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return $d ? date_format($d->setTimezone(new DateTimeZone($tz ?? 'UTC')), $format) : '';
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}
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/**
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* Format a date to specific TZ (UTC by default) from another format.
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*
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* @param string $date The date
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* @param string $format The output format
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* @param string $to_tz The output timezone
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*
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* @return string The formated date
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*/
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public static function toDate(int|string $date = 'now', string $format = 'Y-m-d H:i:00', string $to_tz = 'UTC'): string
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{
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$d = is_int($date) ?
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date_create_from_format('U', (string) $date, new DateTimeZone('UTC')) :
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date_create($date, new DateTimeZone('UTC'));
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return $d ? date_format($d->setTimeZone(new DateTimeZone($to_tz)), $format) : '';
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}
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/**
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* Get next timestamp from a period.
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*
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* @param int $ts The timestamp
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* @param string $period The period (periodical string format)
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*
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* @return int The timestamp of next update
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*/
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public static function getNextTime(int $ts, string $period): int
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{
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$dt = date_create_from_format('U', (string) $ts);
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if ($dt === false) {
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return $ts;
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}
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switch($period) {
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case 'hour':
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$dt->modify('+1 hour');
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break;
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case 'halfday':
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$dt->modify('+12 hours');
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break;
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case 'day':
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$dt->modify('+1 day');
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break;
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case 'week':
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$dt->modify('+1 week');
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break;
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case 'month':
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$dt->modify('+1 month');
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break;
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default:
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throw new Exception(__('Unknow frequence'));
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}
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return (int) $dt->format('U');
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}
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}
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