Enable email confirmation

common/forms.py

@@ -2,7 +2,7 @@ from django import forms
 from django.contrib.auth.forms import UserCreationForm
 from .models import LameUser
 
-class UserSignUpForm(UserCreationForm):
+class LameUserSignupForm(UserCreationForm):
     email = forms.EmailField(max_length=100, help_text='Required')
     class Meta:
         model = LameUser

common/templates/registration/account_activated.html

@@ -0,0 +1,4 @@
+{% extends 'common/master.html' %}
+{% block body %}
+<p>Thank you for your email confirmation. Now you can login your account.</p>
+{% endblock %}

common/templates/registration/activation_email.html

@@ -0,0 +1,6 @@
+{% autoescape on %}
+Hi {{ user.username }},
+Please click on the link to confirm your registration,
+
+https://{{ domain }}{% url 'activate' uidb64=uid token=token %}
+{% endautoescape %}

common/templates/registration/confirm_your_email.html

@@ -0,0 +1,4 @@
+{% extends 'common/master.html' %}
+{% block body %}
+<p>Please confirm your email address to complete the registration.</p>
+{% endblock %}

common/templates/registration/invalid_link.html

@@ -0,0 +1,4 @@
+{% extends 'common/master.html' %}
+{% block body %}
+<p>Activation link invalid.</p>
+{% endblock %}

common/tokens.py

@@ -0,0 +1,10 @@
+from django.contrib.auth.tokens import PasswordResetTokenGenerator
+import six
+
+class TokenGenerator(PasswordResetTokenGenerator):
+    def _make_hash_value(self, user, timestamp):
+        return (
+            six.text_type(user.pk) + six.text_type(timestamp) +
+            six.text_type(user.is_active)
+        )
+account_activation_token = TokenGenerator()

common/urls.py

@@ -1,9 +1,11 @@
 from django.urls import path, include
+from django.conf.urls import url
 
 from . import views
 
 urlpatterns = [
     path('', views.index, name="index"),
-    path('signup/', views.SignUp.as_view(), name="signup"),
+    path('signup/', views.signup, name="signup"),
     path('', include('django.contrib.auth.urls')),
+    path('activate/<slug:uidb64>/<slug:token>/', views.activate, name='activate')
 ]

common/views.py

@@ -1,17 +1,61 @@
 from django.shortcuts import (
-    render, HttpResponse
+    render, HttpResponse, redirect
 )
 from django.urls import reverse_lazy
 from django.views import generic
-from django.contrib.auth.forms import UserCreationForm
+from django.contrib.auth import login, authenticate
+from django.contrib.sites.shortcuts import get_current_site
+from django.utils.encoding import force_bytes, force_text
+from django.utils.http import urlsafe_base64_encode, urlsafe_base64_decode
+from django.template.loader import render_to_string
+from django.core.mail import EmailMessage
+
+from .tokens import account_activation_token
+from .forms import LameUserSignupForm
+from .models import LameUser
 
-from . import forms
 
 # Create your views here.
 def index(request):
     return render(request, 'index.html')
 
-class SignUp(generic.CreateView):
-    form_class = forms.UserSignUpForm
-    success_url = reverse_lazy('login')
-    template_name = 'signup.html'
+def signup(request):
+    if request.method == 'POST':
+        form = LameUserSignupForm(request.POST)
+        if form.is_valid():
+            user = form.save(commit=False)
+            user.is_active = False
+            user.save()
+            current_site = get_current_site(request)
+            mail_subject = 'Activate your lamegames account.'
+            message = render_to_string('registration/activation_email.html', {
+                'user': user,
+                'domain': current_site.domain,
+                'uid':urlsafe_base64_encode(force_bytes(user.pk)),
+                'token':account_activation_token.make_token(user),
+            })
+            to_email = form.cleaned_data.get('email')
+            email = EmailMessage(
+                        mail_subject, message, to=[to_email]
+            )
+            email.send()
+            return render(request, 'registration/confirm_your_email.html', {})
+    else:
+        form = LameUserSignupForm()
+    return render(request, 'registration/signup.html', {'form': form})
+
+def activate(request, uidb64, token):
+    try:
+        uid = force_text(urlsafe_base64_decode(uidb64))
+        user = LameUser.objects.get(pk=uid)
+    except(TypeError, ValueError, OverflowError, LameUser.DoesNotExist):
+        user = None
+    if user is not None and account_activation_token.check_token(user, token):
+        user.is_active = True
+        user.save()
+        login(request, user)
+        # return redirect('home')
+        return render(request, 'registration/account_activated.html')
+    else:
+        return render(request, 'registration/invalid_link.html')
+