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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/**
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 * This file is part of the Carbon package.
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 *
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 * (c) Brian Nesbitt <brian@nesbot.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Carbon\Laravel;
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use Carbon\Carbon;
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use Carbon\CarbonImmutable;
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use Carbon\CarbonInterval;
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use Carbon\CarbonPeriod;
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use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
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use Illuminate\Events\Dispatcher;
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use Illuminate\Events\EventDispatcher;
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use Illuminate\Support\Carbon as IlluminateCarbon;
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use Illuminate\Support\Facades\Date;
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use Throwable;
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class ServiceProvider extends \Illuminate\Support\ServiceProvider
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{
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    /** @var callable|null */
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    protected $appGetter = null;
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    /** @var callable|null */
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    protected $localeGetter = null;
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    public function setAppGetter(?callable $appGetter): void
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    {
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        $this->appGetter = $appGetter;
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    }
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    public function setLocaleGetter(?callable $localeGetter): void
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    {
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        $this->localeGetter = $localeGetter;
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    }
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    public function boot()
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    {
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        $this->updateLocale();
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        if (!$this->app->bound('events')) {
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            return;
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        }
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        $service = $this;
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        $events = $this->app['events'];
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        if ($this->isEventDispatcher($events)) {
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            $events->listen(class_exists('Illuminate\Foundation\Events\LocaleUpdated') ? 'Illuminate\Foundation\Events\LocaleUpdated' : 'locale.changed', function () use ($service) {
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                $service->updateLocale();
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            });
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        }
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    }
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    public function updateLocale()
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    {
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        $locale = $this->getLocale();
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        if ($locale === null) {
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            return;
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        }
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        Carbon::setLocale($locale);
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        CarbonImmutable::setLocale($locale);
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        CarbonPeriod::setLocale($locale);
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        CarbonInterval::setLocale($locale);
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        if (class_exists(IlluminateCarbon::class)) {
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            IlluminateCarbon::setLocale($locale);
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        }
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        if (class_exists(Date::class)) {
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            try {
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                $root = Date::getFacadeRoot();
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                $root->setLocale($locale);
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            } catch (Throwable $e) {
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                // Non Carbon class in use in Date facade
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            }
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        }
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    }
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    public function register()
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    {
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        // Needed for Laravel < 5.3 compatibility
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    }
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    protected function getLocale()
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    {
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        if ($this->localeGetter) {
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            return ($this->localeGetter)();
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        }
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        $app = $this->getApp();
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        $app = $app && method_exists($app, 'getLocale')
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            ? $app
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            : $this->getGlobalApp('translator');
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        return $app ? $app->getLocale() : null;
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    }
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    protected function getApp()
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    {
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        if ($this->appGetter) {
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            return ($this->appGetter)();
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        }
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        return $this->app ?? $this->getGlobalApp();
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    }
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    protected function getGlobalApp(...$args)
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    {
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        return \function_exists('app') ? \app(...$args) : null;
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    }
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    protected function isEventDispatcher($instance)
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    {
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        return $instance instanceof EventDispatcher
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            || $instance instanceof Dispatcher
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            || $instance instanceof DispatcherContract;
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    }
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}