Register(signup), login ,logout Django

 Register function quick view from views.py

from django.shortcuts import render, redirect

from django.contrib import messages

from django.contrib.auth.models import User, auth

from django.http import HttpResponse

# Create your views here.

# redirect me views wale function ka name dete hai

def Index(request):

    return render(request, 'accounts/index.html')

def register(request):

    if request.method == 'POST':

        first_name = request.POST['first_name']

        last_name = request.POST['last_name']

        user_name = request.POST['user_name']

        pass_word1 = request.POST.get('pass_word1')

        pass_word2 = request.POST.get('pass_word2')

        email_id = request.POST['email_id']

        if pass_word1 == pass_word2:

            if User.objects.filter(username=user_name).exists():

                messages.info(request, 'Username Taken')

                return HttpResponse("username already taken , try again")

                # return redirect('/')

            elif User.objects.filter(email=email_id).exists():

                messages.info(request, 'Email Taken')

                return HttpResponse('Email already taken, try again')

                # return redirect('/')

            else:

                user = User.objects.create_user(

                    username=user_name, password=pass_word1, email=email_id, first_name=first_name, last_name=last_name)

                user.save()

                print('user created')

                return HttpResponse('registration success')

                # return redirect('login')

        else:

            messages.info(request, 'password not matching..')

            # return redirect('account_index')

            return HttpResponse("password not matched, try again")

    else:

        return render(request, 'accounts/register.html')

 Login function quick view from views.py

def Login(request):

    if request.method == 'POST':

        user_name = request.POST.get('user_name')

        pass_word = request.POST.get('pass_word')

        user = auth.authenticate(username=user_name, password=pass_word)

        if user is not None:

            auth.login(request, user)

            return HttpResponse('login success')

            # return redirect("/")

        else:

            messages.info(request, 'invalid credentials')

            return HttpResponse("invalid credentials, try again")

            # return redirect('login')

    else:

        return render(request, 'accounts/login.html')

Logout function quick view from views.py

def Logout(request):

    auth.logout(request)

    return HttpResponse('logout success')

    # return redirect('/')

Login,Logout show condition in html

{% if user.is_authenticated %} <li class="nav-item"> <a class="nav-link" href="{% url 'name_logout' %}">logout</a> </li> {% else %} <li class="nav-item"> <a class="nav-link" href="{% url 'name_login' %}">login</a> </li> {% endif %}

Welcome user

{% if user.is_authenticated %}

<div>

  <h4>Welcome {{user.first_name}}</h4>

</div>

{% endif %}