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views.py
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views.py
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from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.exceptions import ObjectDoesNotExist
from django.shortcuts import render, get_object_or_404, redirect
from django.views.generic import ListView, DetailView, View
from django.utils import timezone
from .models import (
Item,
Order,
OrderItem
)
# Create your views here.
class HomeView(ListView):
model = Item
template_name = "home.html"
class ProductView(DetailView):
model = Item
template_name = "product.html"
class OrderSummaryView(LoginRequiredMixin, View):
def get(self, *args, **kwargs):
try:
order = Order.objects.get(user=self.request.user, ordered=False)
context = {
'object' : order
}
return render(self.request, 'order_summary.html', context)
except ObjectDoesNotExist:
messages.error(self.request, "You do not have an order")
return redirect("/")
@login_required
def add_to_cart(request, pk):
item = get_object_or_404(Item, pk=pk )
order_item, created = OrderItem.objects.get_or_create(
item = item,
user = request.user,
ordered = False
)
order_qs = Order.objects.filter(user=request.user, ordered=False)
if order_qs.exists():
order = order_qs[0]
if order.items.filter(item__pk=item.pk).exists():
order_item.quantity += 1
order_item.save()
messages.info(request, "Added quantity Item")
return redirect("core:order-summary")
else:
order.items.add(order_item)
messages.info(request, "Item added to your cart")
return redirect("core:order-summary")
else:
ordered_date = timezone.now()
order = Order.objects.create(user=request.user, ordered_date=ordered_date)
order.items.add(order_item)
messages.info(request, "Item added to your cart")
return redirect("core:order-summary")
@login_required
def remove_from_cart(request, pk):
item = get_object_or_404(Item, pk=pk )
order_qs = Order.objects.filter(
user=request.user,
ordered=False
)
if order_qs.exists():
order = order_qs[0]
if order.items.filter(item__pk=item.pk).exists():
order_item = OrderItem.objects.filter(
item=item,
user=request.user,
ordered=False
)[0]
order_item.delete()
messages.info(request, "Item \""+order_item.item.item_name+"\" remove from your cart")
return redirect("core:order-summary")
else:
messages.info(request, "This Item not in your cart")
return redirect("core:product", pk=pk)
else:
#add message doesnt have order
messages.info(request, "You do not have an Order")
return redirect("core:product", pk = pk)
@login_required
def reduce_quantity_item(request, pk):
item = get_object_or_404(Item, pk=pk )
order_qs = Order.objects.filter(
user = request.user,
ordered = False
)
if order_qs.exists():
order = order_qs[0]
if order.items.filter(item__pk=item.pk).exists() :
order_item = OrderItem.objects.filter(
item = item,
user = request.user,
ordered = False
)[0]
if order_item.quantity > 1:
order_item.quantity -= 1
order_item.save()
else:
order_item.delete()
messages.info(request, "Item quantity was updated")
return redirect("core:order-summary")
else:
messages.info(request, "This Item not in your cart")
return redirect("core:order-summary")
else:
#add message doesnt have order
messages.info(request, "You do not have an Order")
return redirect("core:order-summary")