einundzwanzig-app/app/Models/ProjectProposal.php

<?php

namespace App\Models;

use App\Models\Concerns\SetsCreatedBy;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Facades\Cookie;
use Spatie\Image\Enums\Fit;
use Spatie\MediaLibrary\HasMedia;
use Spatie\MediaLibrary\InteractsWithMedia;
use Spatie\MediaLibrary\MediaCollections\Models\Media;
use Spatie\Sluggable\HasSlug;
use Spatie\Sluggable\SlugOptions;

class ProjectProposal extends Model implements HasMedia
{
    use HasFactory;
    use HasSlug;
    use InteractsWithMedia;
    use SetsCreatedBy;

    /**
     * The attributes that aren't mass assignable.
     *
     * @var array
     */
    protected $guarded = [];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'id' => 'integer',
        'user_id' => 'integer',
    ];

    public function getSlugOptions(): SlugOptions
    {
        return SlugOptions::create()
            ->generateSlugsFrom(['name'])
            ->saveSlugsTo('slug')
            ->usingLanguage(Cookie::get('lang', config('app.locale')));
    }

    public function registerMediaConversions(?Media $media = null): void
    {
        $this
            ->addMediaConversion('preview')
            ->fit(Fit::Crop, 300, 300)
            ->nonQueued();
        $this->addMediaConversion('thumb')
            ->fit(Fit::Crop, 130, 130)
            ->width(130)
            ->height(130);
    }

    public function registerMediaCollections(): void
    {
        $this->addMediaCollection('main')
            ->acceptsMimeTypes(['image/jpeg', 'image/png', 'image/gif', 'image/webp'])
            ->singleFile()
            ->useFallbackUrl(asset('img/einundzwanzig.png'));
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function votes(): HasMany
    {
        return $this->hasMany(Vote::class);
    }
}