e Ticaret Sitesi Oluşturmak Login, Logout Views

[@busracyber]

bütün kodlar:
from django.shortcuts import render, get_object_or_404,redirect
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.contrib.auth import login as auth_login, authenticate, logout
from.models import Product,Category,Cart,CartItem,Order,OrderItem
from.forms import OrderForm,ProductForms,CustomUserCreationForm, AuthenticationForm,CategoryForm
import logging
logger=logging.getLogger(__name__)
def product_list(request):
products=Product.objects.filter(available=True)
return render(request,'pazardan/product_list.html', {'products': products})
def product_list_by_category(request, category_id):
category=get_object_or_404(Category,id=category_id)
products= category.products.filter(available=True)
return render(request,'pazardan/product_list.html',{'category':category,'products':products})
def product_detail(request,id):
product=get_object_or_404(Product,id=id,available=True)

return render(request,'pazardan(product_detail.html)',{'product':product})
def add_product(request):
if request.method == 'POST':
form= ProductForms(request.POST, request.FIELS)
if form.is_valid():
messages.success(request,'Ürün başarıyla eklenmiştir.')
return redirect('product_list')
else:
messages.error(request,'Ürün eklenememiştir,Lütfen tekrar seçim yapınız.')
else:
form=ProductForms()
return render(request,'pazardan/add_product.html',{'form':form})

def product_delate(request,id):
product=get_object_or_404(product,id=id)
if request.method == 'POST':
product.delate()
return redirect('product_list')
return redirect ('product_list')
def add_category(request):
if request.method=='POST':
form=CategoryForm(request.POST)
if form.is_valid():
form.save()
messages.success(request,'Kategori başarıyla eklendi.')
return redirect('product_list')
else:
form=CategoryForm()
return render(request,'pazardan/add_category.html',{'form': form})
def cart_detail(request):
cart,created= Cart.objects.get_or_create(session_key=request.session.session_key)
return render (request,'pazardan/cart_detail.html',{'cart':cart})
def cart_add(request,product_id):
cart,created= Cart.objects.get_or_create(session_key=request.session.session_key)
product=get_object_or_404(Product,id=product_id)
cart_item,created=CartItem.objects.get_or_create(cart=cart,product=product)
cart_item.save()
messages.success(request,'ürün karta başarılı bir şekilde eklendi')
return redirect('cart_detail')
def cart_romeve(request,product_id):
cart=Cart.objects.get(session_key=request.session.session_key)
product=get_object_or_404(Product,id=product_id)
cart_item=get_object_or_404(CartItem,cart=cart,product=product)
cart_item.delate()
messages.success(request,'Ürün karttan başarılı bir şekilde çıkartıldı.')
return redirect('cart_detail')
def cart_update(request):
if request.method=='POST':
cart=Cart.objects.get(session_key=request.session.session_key)
for key , value in request.POST.items():
if key.startswith('quantity_'):
product_id=key.split('_')[1]
quantity=int(value)
product=get_object_or_404(Product, id=product_id)
cart_item,creared=CartItem.objects.get_or_create(cart=cart,product=product)
cart_item.quantity=quantity
cart_item.save()
messages.success(request, f'{product.name} ürünü güncellendi.')
return redirect('cart_detail')
return redirect('cart_detail')
def checkout(request):
try:
cart=Cart.objects.get(session_key=request.session.session_key)

except Cart.DoesNotExist:
messages.error(request,'Sepette ürün bulunamadı. Lütfen ürünü tekrar ekleyin. ')
return redirect('cart_detail')
if request.mothod== 'POST':
form=OrderForm(request.POST)
if form.is_valid():
order=form.save(commit=False)
order.cart=cart
order.paid_amount=sum(item.product.price * item.quantity for item in cart.items.all())
order.save()
for cart_item in cart.items.all():
OrderItem.objects.create(
order=order,
product=cart_item.product,
quantity=cart_item.quantity,
price=cart_item.product.price
)

messages.success(request,' Siparişiniz başarılı bir şekilde oluşturuldu.')
return redirect('orders_list')

else:
messages.error(request,'Siparişiniz oluşturulamadı. Lütfen tekrar deneyiniz.')

else:
form=OrderForm()

return render(request,'pazartdan/checkout.html',{'cart': cart, 'form':form})
def orders_list(request):
orders=Order.objects.prefetch_related('items__product').all()
return render(request,'pazardan/orders_list.html', {'orders':orders})
def register(request):
form=CustomUserCreationForm(request.POST)
if form.is_valid():
user=form.save()
username=form.cleaned_data.get('username')
password=form.cleaned_data.get('password1')
user=authenticate(username=username,password=password)
if user is not None:
auth_login(request,user)
messages.success(request,f'hoşgeldin {username}')
return redirect('product_list')
else:
form=CustomUserCreationForm
return render(request,'pazardan/register.html',{'form':form})
def login_view(request):
if request.method == 'POST':
form=AuthenticationForm(request,data=request.POST)
if form.is_valid():
user=form.get_user()
auth_login(request,user)
username=user.username
messages.success(request,f'hoşgeldin {username}')
else:
messages.error(request,'Kullanıcı adı veya şifre hatalı.')
else:
form=AuthenticationForm()
return render (request,'pazardan/lagin.html', {'form':form})
@login_required
def logout_view(request):
logout(request)
messages.info(request,'Çıkış yaptınız. ')
return redirect('product_list')