views.py

from django.shortcuts import render
from librehatti.bills.models import QuotedOrder, QuotedItem
from librehatti.catalog.models import *
from django.contrib.auth.models import User
import useraccounts
from django.db.models import Sum

def proforma(request):
    
    QuotedItem_list = QuotedItem.objects.all()
    QuotedOrder_list = QuotedOrder.objects.all()
    return render(request, 'bills/quote.html', {'QuotedItem_list' : 
                 QuotedItem_list, 'QuotedOrder_list' : QuotedOrder_list})


def gen_proforma(request):
    quoted_order = QuotedOrder.objects.get(pk=1)
    quoted_item = QuotedItem.objects.get(pk=2)
    total_cost = QuotedItem.objects.filter(id=2).aggregate(Sum('quote_price'))
    
    return render(request, 'bills/p_bill.html',{ 'quoted_order' : quoted_order, 
                  'quoted_item' : quoted_item } )