ServiceProvider.php

<?php

namespace TransformStudios\Events;

use Composer\InstalledVersions;
use Edalzell\Forma\Forma;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Artisan;
use Statamic\Facades\Collection;
use Statamic\Facades\Site;
use Statamic\Providers\AddonServiceProvider;
use Statamic\Statamic;
use Statamic\Support\Arr;
use TransformStudios\Events\Exceptions\FieldNotFoundException;
use TransformStudios\Events\Fieldtypes\Timezones;
use TransformStudios\Events\Modifiers\InMonth;
use TransformStudios\Events\Modifiers\IsEndOfWeek;
use TransformStudios\Events\Modifiers\IsStartOfWeek;
use TransformStudios\Events\Tags\Events;

class ServiceProvider extends AddonServiceProvider
{
    protected $fieldtypes = [
        Timezones::class,
    ];

    protected $modifiers = [
        InMonth::class,
        IsEndOfWeek::class,
        IsStartOfWeek::class,
    ];

    protected $routes = [
        'actions' => __DIR__.'/../routes/actions.php',
    ];

    protected $tags = [
        Events::class,
    ];

    public function boot()
    {
        parent::boot();

        Forma::add('transformstudios/events');
    }

    public function bootAddon()
    {
        $this
            ->bootCarbon()
            ->bootFields()
            ->publishConfig();
    }

    private function bootCarbon(): self
    {
        Carbon::setLocale(Site::current()->locale());

        if (InstalledVersions::getVersion('nesbot/carbon') >= '3') {
            return $this;
        }

        /*
         Using these deprecated methods because I couldn't figure out another way to
         have the weekstart set based on the current locale.

         When the next version of Carbon is released, it should be set properly: https://github.com/briannesbitt/Carbon/issues/2539#issuecomment-1037257768

        */

        if (is_string($weekStartDay = Carbon::getTranslator()->trans(id: 'first_day_of_week', locale: Site::current()->locale()))) {
            $weekStartDay = 0;
        }

        Carbon::setWeekStartsAt(day: $weekStartDay);
        Carbon::setWeekEndsAt(day: ($weekStartDay + 6) % 7);

        return $this;
    }

    private function bootFields(): self
    {
        $collectionHandle = config('events.collection', 'events');

        Collection::computed($collectionHandle, 'timezone', function ($entry, $value) use ($collectionHandle) {
            if ($value) {
                return $value;
            }

            $timezone = config('events.timezone', config('app.timezone'));

            $collection = Collection::findByHandle($collectionHandle);

            $blueprint = Arr::first($collection->entryBlueprints());

            if (is_null($tzField = $blueprint->field('timezone'))) {
                throw new FieldNotFoundException('timezone');
            }

            return $tzField
                ->setValue($timezone)
                ->augment()
                ->value()
                ->value();
        });

        return $this;
    }

    private function publishConfig(): self
    {
        Statamic::afterInstalled(function ($command) {
            Artisan::call('vendor:publish', ['--tag' => 'events-config', '--force' => false]);
        });

        return $this;
    }
}