Flight Reservation Management System in Python using Django

import datetime from django.shortcuts import redirect, render import json from django.contrib import messages from django.contrib.auth.models import User from django.http import HttpResponse from armsApp import models, forms from django.db.models import Q from django.contrib.auth import authenticate, login, logout, update_session_auth_hash from django.contrib.auth.decorators import login_required def context_data(): context = { 'page_name' : '', 'page_title' : '', 'system_name' : 'Airlines Reservation Managament System', 'topbar' : True, 'footer' : True, } return context def userregister(request): context = context_data() context['topbar'] = False context['footer'] = False context['page_title'] = "User Registration" if request.user.is_authenticated: return redirect("home-page") return render(request, 'register.html', context) @login_required def upload_modal(request): context = context_data() return render(request, 'upload.html', context) def save_register(request): resp={'status':'failed', 'msg':''} if not request.method == 'POST': resp['msg'] = "No data has been sent on this request" else: form = forms.SaveUser(request.POST) if form.is_valid(): form.save() messages.success(request, "Your Account has been created succesfully") resp['status'] = 'success' else: for field in form: for error in field.errors: if resp['msg'] != '': resp['msg'] += str('<br />') resp['msg'] += str(f"[{field.name}] {error}.") return HttpResponse(json.dumps(resp), content_type="application/json") @login_required def update_profile(request): context = context_data() context['page_title'] = 'Update Profile' user = User.objects.get(id = request.user.id) if not request.method == 'POST': form = forms.UpdateProfile(instance=user) context['form'] = form print(form) else: form = forms.UpdateProfile(request.POST, instance=user) if form.is_valid(): form.save() messages.success(request, "Profile has been updated") return redirect("profile-page") else: context['form'] = form return render(request, 'manage_profile.html',context) @login_required def update_password(request): context =context_data() context['page_title'] = "Update Password" if request.method == 'POST': form = forms.UpdatePasswords(user = request.user, data= request.POST) if form.is_valid(): form.save() messages.success(request,"Your Account Password has been updated successfully") update_session_auth_hash(request, form.user) return redirect("profile-page") else: context['form'] = form else: form = forms.UpdatePasswords(request.POST) context['form'] = form return render(request,'update_password.html',context) # Create your views here. def login_page(request): context = context_data() context['topbar'] = False context['footer'] = False context['page_name'] = 'login' context['page_title'] = 'Login' return render(request, 'login.html', context) def login_user(request): logout(request) resp = {"status":'failed','msg':''} username = '' password = '' if request.POST: username = request.POST['username'] password = request.POST['password'] user = authenticate(username=username, password=password) if user is not None: if user.is_active: login(request, user) resp['status']='success' else: resp['msg'] = "Incorrect username or password" else: resp['msg'] = "Incorrect username or password" return HttpResponse(json.dumps(resp),content_type='application/json') def search_flight(request): context = context_data() context['page'] = 'Search Available Flight' airlines = models.Airlines.objects.filter(delete_flag = 0, status = 1).all() airports = models.Airport.objects.filter(delete_flag = 0, status = 1).all() context['airlines'] = airlines context['airports'] = airports return render(request,'search_flight.html', context) def search_result(request, fromA=None, toA=None, departure = None): context = context_data() context['page'] = 'Search Result' if fromA is None and toA is None and departure is None: messages.error(request, "Invalid Search Inputs") return redirect('public-page') else: departure = datetime.datetime.strptime(departure, "%Y-%m-%d") year = departure.strftime("%Y") month = departure.strftime("%m") day = departure.strftime("%d") context['flights'] = models.Flights.objects.filter(delete_flag=0, departure__year = year, departure__month = month, departure__day = day, ).order_by('departure').all() return render(request, 'search_result.html', context) def save_reservation(request): resp = { 'status': 'failed', 'msg':'' } if not request.method == 'POST': resp['msg'] = "No data has been sent." else: form = forms.SaveReservation(request.POST) if form.is_valid(): form.save() resp['status'] = 'success' resp['msg'] = "Your Reservation has been sent. Our staff will reach as soon we sees your reservation. Thank you!" messages.success(request,f"{resp['msg']}") else: for field in form: for error in field.errors: if not resp['msg'] == '': resp['msg'] += str("<br />") resp['msg'] += str(f"[{field.name}] {error}") return HttpResponse(json.dumps(resp), content_type="application/json") def reserve_form(request, pk=None): context = context_data() context['page'] = 'Search Result' if pk is None: messages.error(request, "Invalid Flight ID") return redirect('public-page') else: context['flight'] = models.Flights.objects.get(id=pk) return render(request, 'reservation.html', context) @login_required def home(request): context = context_data() context['page'] = 'home' context['page_title'] = 'Home' context['airlines'] = models.Airlines.objects.filter(delete_flag=0, status = 1).count() context['airport'] = models.Airport.objects.filter(delete_flag=0, status = 1).count() now = datetime.datetime.now() year = now.strftime("%Y") month = now.strftime("%m") day = now.strftime("%d") hour = now.strftime("%H") context['flight'] = models.Flights.objects.filter(delete_flag=0, departure__year__gte = year, departure__month__gte = month, departure__day__gte = day, departure__hour__gte = hour, ).count() return render(request, 'home.html', context) def logout_user(request): logout(request) return redirect('login-page') @login_required def profile(request): context = context_data() context['page'] = 'profile' context['page_title'] = "Profile" return render(request,'profile.html', context) #Airline @login_required def list_airline(request): context = context_data() context['page_title'] ="Airlines" context['airlines'] = models.Airlines.objects.filter(delete_flag = 0).all() return