einundzwanzig-portal/app/Http/Livewire/BookCase/Form/OrangePillForm.php

<?php

namespace App\Http\Livewire\BookCase\Form;

use App\Models\BookCase;
use App\Models\Country;
use App\Models\OrangePill;
use Illuminate\Validation\Rule;
use Livewire\Component;
use Livewire\WithFileUploads;

class OrangePillForm extends Component
{
    use WithFileUploads;

    public Country $country;

    public BookCase $bookCase;

    public ?OrangePill $orangePill = null;

    public $image;

    public string $fromUrl = '';

    protected $queryString = ['fromUrl' => ['except' => '']];

    public function rules()
    {
        return [
            'orangePill.book_case_id' => ['required'],
            'orangePill.user_id' => ['required'],
            'orangePill.amount' => ['required', 'numeric'],
            'orangePill.date' => ['required', 'date'],
            'orangePill.comment' => ['required', 'string'],

            'image' => ['max:8192', Rule::requiredIf(!$this->orangePill->id), 'image', 'nullable'], // 8MB Max
        ];
    }

    public function mount()
    {
        if (! $this->orangePill) {
            $this->orangePill = new OrangePill([
                'user_id' => auth()->id(),
                'book_case_id' => $this->bookCase->id,
                'date' => now(),
                'amount' => 1,
            ]);
        } elseif ($this->orangePill->user_id !== auth()->id()) {
            abort(403);
        }
        if (!$this->fromUrl) {
            $this->fromUrl = url()->previous();
        }
    }

    public function save()
    {
        $this->validate();
        $this->orangePill->save();

        if ($this->image) {
            $this->orangePill
                ->addMedia($this->image)
                ->usingFileName(md5($this->image->getClientOriginalName()).'.'.$this->image->getClientOriginalExtension())
                ->toMediaCollection('images');
        }

        return redirect($this->fromUrl);
    }

    public function deleteMe()
    {
        $this->orangePill->delete();

        return redirect($this->fromUrl);
    }

    public function render()
    {
        return view('livewire.book-case.form.orange-pill-form');
    }
}