Bus Reservation System in Python using Django

from datetime import datetime from django.contrib import messages from django.shortcuts import render from decimal import Decimal # Create your views here. from django.shortcuts import render, redirect from django.http import HttpResponse, HttpResponseRedirect from .models import User, Bus, Book from django.contrib.auth import authenticate, login, logout from django.contrib.auth.models import User from .forms import UserLoginForm, UserRegisterForm from django.contrib.auth.decorators import login_required from decimal import Decimal def home(request): if request.user.is_authenticated: return render(request, 'myapp/home.html') else: return render(request, 'myapp/signin.html') @login_required(login_url='signin') def findbus(request): context = {} if request.method == 'POST': source_r = request.POST.get('source') dest_r = request.POST.get('destination') date_r = request.POST.get('date') date_r = datetime.strptime(date_r,"%Y-%m-%d").date() year = date_r.strftime("%Y") month = date_r.strftime("%m") day = date_r.strftime("%d") bus_list = Bus.objects.filter(source=source_r, dest=dest_r, date__year=year, date__month=month, date__day=day) if bus_list: return render(request, 'myapp/list.html', locals()) else: context['data'] = request.POST context["error"] = "No available Bus Schedule for entered Route and Date" return render(request, 'myapp/findbus.html', context) else: return render(request, 'myapp/findbus.html') @login_required(login_url='signin') def bookings(request): context = {} if request.method == 'POST': id_r = request.POST.get('bus_id') seats_r = int(request.POST.get('no_seats')) bus = Bus.objects.get(id=id_r) if bus: if bus.rem > int(seats_r): name_r = bus.bus_name cost = int(seats_r) * bus.price source_r = bus.source dest_r = bus.dest nos_r = Decimal(bus.nos) price_r = bus.price date_r = bus.date time_r = bus.time username_r = request.user.username email_r = request.user.email userid_r = request.user.id rem_r = bus.rem - seats_r Bus.objects.filter(id=id_r).update(rem=rem_r) book = Book.objects.create(name=username_r, email=email_r, userid=userid_r, bus_name=name_r, source=source_r, busid=id_r, dest=dest_r, price=price_r, nos=seats_r, date=date_r, time=time_r, status='BOOKED') print('------------book id-----------', book.id) # book.save() return render(request, 'myapp/bookings.html', locals()) else: context["error"] = "Sorry select fewer number of seats" return render(request, 'myapp/findbus.html', context) else: return render(request, 'myapp/findbus.html') @login_required(login_url='signin') def cancellings(request): context = {} if request.method == 'POST': id_r = request.POST.get('bus_id') #seats_r = int(request.POST.get('no_seats')) try: book = Book.objects.get(id=id_r) bus = Bus.objects.get(id=book.busid) rem_r = bus.rem + book.nos Bus.objects.filter(id=book.busid).update(rem=rem_r) #nos_r = book.nos - seats_r Book.objects.filter(id=id_r).update(status='CANCELLED') Book.objects.filter(id=id_r).update(nos=0) messages.success(request, "Booked Bus has been cancelled successfully.") return redirect(seebookings) except Book.DoesNotExist: context["error"] = "Sorry You have not booked that bus" return render(request, 'myapp/error.html', context) else: return render(request, 'myapp/findbus.html') @login_required(login_url='signin') def seebookings(request,new={}): context = {} id_r = request.user.id book_list = Book.objects.filter(userid=id_r) if book_list: return render(request, 'myapp/booklist.html', locals()) else: context["error"] = "Sorry no buses booked" return render(request, 'myapp/findbus.html', context) def signup(request): context = {} if request.method == 'POST': name_r = request.POST.get('name') email_r = request.POST.get('email') password_r = request.POST.get('password') user = User.objects.create_user(name_r, email_r, password_r, ) if user: login(request, user) return render(request, 'myapp/thank.html') else: context["error"] = "Provide valid credentials" return render(request, 'myapp/signup.html', context) else: return render(request, 'myapp/signup.html', context) def signin(request): context = {} if request.method == 'POST': name_r = request.POST.get('name') password_r = request.POST.get('password') user = authenticate(request, username=name_r, password=password_r) if user: login(request, user) # username = request.session['username'] context["user"] = name_r context["id"] = request.user.id return render(request, 'myapp/success.html', context) # return HttpResponseRedirect('success') else: context["error"] = "Provide valid credentials" return render(request, 'myapp/signin.html', context) else: context["error"] = "You are not logged in" return render(request, 'myapp/signin.html', context) def signout(request): context = {} logout(request) context['error'] = "You have been logged out" return render(request, 'myapp/signin.html', context) def success(request): context = {} context['user'] = request.user return render(request, 'myapp/success.html', context)