from django.shortcuts import render, get_object_or_404 
from .models import Category, Product
from cart.forms import CartAddProductForm 

def product_list(request, category_slug=None):
    category = None 
    categories = Category.objects.all()
    products = Product.objects.filter(available=True)
    if category_slug:
        category = get_object_or_404(Category, 
                                     slug=category_slug) 
        products = products.filter(category=category) 
    return render(request, 
                  'shop/product/list.html',
                  {'category': category,
                   'categories': categories,
                   'products': products})

def product_detail(request, id, slug): 
    product = get_object_or_404(Product, 
                                id=id, 
                                slug=slug, 
                                available=True) 
    cart_product_form = CartAddProductForm() 
    return render(request, 
                  'shop/product/detail.html',
                  {'product': product,
                   'cart_product_form': cart_product_form})

