Login by e-mail

KawowyDzienniczek/App/user/serializers.py

+from django.contrib.auth import authenticate
 from django.contrib.auth.models import User
+from django.shortcuts import get_object_or_404
 from rest_framework import serializers
-
+from django.utils.translation import ugettext_lazy as _
 
 class UserSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = User
-        fields = ('url', 'id', 'username', 'email')
\ No newline at end of file
+        fields = ('url', 'id', 'username', 'email')
+
+
+class AuthTokenSerializerByEmail(serializers.Serializer):
+    email = serializers.CharField(label=_("Email"))
+    password = serializers.CharField(label=_("Password"), style={'input_type': 'password'})
+
+    def validate(self, attrs):
+        email = attrs.get('email')
+        password = attrs.get('password')
+        queryset = User.objects.all()
+        user_by_email = get_object_or_404(queryset, email=email)
+
+        if user_by_email and password:
+            user = authenticate(username=user_by_email.username, password=password)
+
+            if user:
+                if not user.is_active:
+                    msg = _('User account is disabled.')
+                    raise serializers.ValidationError(msg)
+            else:
+                msg = _('Unable to log in with provided credentials.')
+                raise serializers.ValidationError(msg)
+        else:
+            msg = _('Must include "username" and "password".')
+            raise serializers.ValidationError(msg)
+
+        attrs['user'] = user
+        return attrs

KawowyDzienniczek/App/user/views.py

+from xml import parsers
+
 import rest_framework
 from django.contrib.auth.models import User
 from django.shortcuts import render
 
 # Create your views here.
 from rest_framework import viewsets
+from rest_framework.authtoken.models import Token
+from rest_framework.authtoken.serializers import AuthTokenSerializer
 from rest_framework.decorators import list_route
 from rest_framework.response import Response
 from rest_framework import viewsets, permissions
-from App.user.serializers import UserSerializer
+from rest_framework.views import APIView
 
+from App.user.serializers import UserSerializer, AuthTokenSerializerByEmail
+from rest_framework import parsers, renderers
 
 class UserViewSet(viewsets.ModelViewSet):
     """
@@ -22,4 +28,23 @@ class UserViewSet(viewsets.ModelViewSet):
     def me(self, request, pk=None):
         user = User.objects.filter(pk=request.user.id)[0]
         user_data = UserSerializer(user, context={'request': request}).data
-        return Response(status=rest_framework.status.HTTP_200_OK, data= user_data)
\ No newline at end of file
+        return Response(status=rest_framework.status.HTTP_200_OK, data= user_data)
+
+
+class ObtainAuthToken(APIView):
+    throttle_classes = ()
+    permission_classes = ()
+    parser_classes = (parsers.FormParser, parsers.MultiPartParser, parsers.JSONParser,)
+    renderer_classes = (renderers.JSONRenderer,)
+    serializer_class = AuthTokenSerializerByEmail
+
+    def post(self, request, *args, **kwargs):
+        serializer = self.serializer_class(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        user = serializer.validated_data['user']
+        print(user.__dict__)
+        token, created = Token.objects.get_or_create(user=user)
+        return Response({'token': token.key})
+
+
+obtain_auth_token = ObtainAuthToken.as_view()

KawowyDzienniczek/KawowyDzienniczek/urls.py

@@ -32,7 +32,7 @@ urlpatterns = [
     url(r'^api/', include(router.urls)),
     url(r'^admin/', admin.site.urls),
     url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
-    url(r'^api-token-auth/', token_view.obtain_auth_token),
+    url(r'^api-token-auth/', user_views.obtain_auth_token),
     url(r'^admin/', include(admin.site.urls)),
     url(r'^$', coming_soon_page, name='post_list'),
 ]