ekart/backend/app/Models/Product.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Attributes\Scope;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Str;

class Product extends Model
{
    protected $fillable = [
        'title',
        'slug',
        'actual_price',
        'list_price',
        'description',
        'product_category_id',
    ];

    public function category(): BelongsTo
    {
        return $this->belongsTo(ProductCategory::class, 'product_category_id');
    }

    public function images(): HasMany
    {
        return $this->hasMany(ProductImage::class, 'product_id', 'id');
    }

    public function favoritedBy(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'favorite_products');
    }

    public function carts()
    {
        return $this->belongsToMany(Cart::class);
    }

    #[Scope]
    protected function active(Builder $query): Builder
    {
        return $query->where('is_active', true);
    }

    protected static function booted(): void
    {
        static::saving(function ($product) {
            if (empty($product->slug) || $product->isDirty('title')) {
                $product->slug = Str::slug($product->title);
            }
        });
    }

    protected function casts()
    {
        return [
            'is_active' => 'boolean',
        ];
    }
}