views.py

from django.shortcuts import render
from models import TaDa
from forms import TaDaForm
from django.db.models import Sum

def tada_form(request):
    ob= TaDa.objects.filter(id=1).values('departure_time_from_tcc','arrival_time_at_site',
       'departure_time_from_site','arrival_time_at_tcc',
       'tada_amount','start_test_date','end_test_date',
       'testing_site','testing_staff')
    form = TaDaForm(initial = {  'tada_amount': '10' })
    return render( request, 'suspence/tada_form.html', { 'form' : form } ) 
  
def tada_result(request):
    if 'Submit' in request.GET:
       departure_time_from_tcc = request.GET['departure_time_from_tcc']
       arrival_time_at_site = request.GET['arrival_time_at_site']
       departure_time_from_site= request.GET['departure_time_from_site']
       arrival_time_at_tcc= request.GET['arrival_time_at_tcc']
       tada_amount= request.GET['tada_amount']
       start_test_date=request.GET['start_test_date']
       end_test_date= request.GET['end_test_date']
       testing_site= request.GET['testing_site']
       testing_staff= request.GET['testing_staff']
       obj= TaDa(departure_time_from_tcc =departure_time_from_tcc ,arrival_time_at_site=arrival_time_at_site,
       departure_time_from_site=departure_time_from_site,arrival_time_at_tcc=arrival_time_at_tcc,
       tada_amount=tada_amount,start_test_date=start_test_date,end_test_date=end_test_date,
       testing_site=testing_site,testing_staff=testing_staff)
       obj.save()
       obj1= TaDa.objects.filter(suspence_id=1).values('departure_time_from_tcc','arrival_time_at_site',
       'departure_time_from_site','arrival_time_at_tcc',
       'tada_amount','start_test_date','end_test_date',
       'testing_site','testing_staff')
       total = TaDa.objects.filter(suspence_id=1).aggregate(Sum('tada_amount')).get('tada_amount__sum', 0.00)
       
       return render(request, 'suspence/tada_result.html', { 'obj': obj1, 'total cost': 'total'})