suivicpt/app/Livewire/Categories/Index.php

<?php

declare(strict_types=1);

namespace App\Livewire\Categories;

use App\Enums\CategoryType;
use App\Models\Category;
use Livewire\Attributes\Layout;
use Livewire\Component;

#[Layout('layouts.app')]
class Index extends Component
{
    /** @var array<string, string> */
    public array $newName = ['revenu' => '', 'depense' => '', 'epargne' => ''];

    public ?int $editingId = null;

    public string $editingName = '';

    public function add(string $type): void
    {
        $this->validate([
            "newName.{$type}" => ['required', 'string', 'max:255'],
        ]);

        if (! in_array($type, ['revenu', 'depense', 'epargne'], true)) {
            abort(422);
        }

        $household = auth()->user()->currentHousehold;

        $position = $household->categories()->where('type', $type)->max('position') + 1;

        $household->categories()->create([
            'name' => $this->newName[$type],
            'type' => $type,
            'position' => $position,
        ]);

        $this->newName[$type] = '';
    }

    public function startEdit(int $categoryId): void
    {
        $category = Category::findOrFail($categoryId);
        $this->authorize('update', $category);

        $this->editingId = $category->id;
        $this->editingName = $category->name;
    }

    public function saveEdit(): void
    {
        $category = Category::findOrFail($this->editingId);
        $this->authorize('update', $category);

        $this->validate([
            'editingName' => ['required', 'string', 'max:255'],
        ]);

        $category->update(['name' => $this->editingName]);

        $this->editingId = null;
    }

    public function cancelEdit(): void
    {
        $this->editingId = null;
    }

    public function delete(int $categoryId): void
    {
        $category = Category::findOrFail($categoryId);
        $this->authorize('delete', $category);

        $category->delete();
    }

    public function render()
    {
        $household = auth()->user()->currentHousehold;

        $categories = $household->categories()->orderBy('position')->get()->groupBy(fn (Category $category) => $category->type->value);

        return view('livewire.categories.index', [
            'types' => CategoryType::cases(),
            'categories' => $categories,
        ]);
    }
}