# finish user api login

apps/accounts/api/serializers.py

@@ -0,0 +1,58 @@
+from rest_framework import serializers
+from django.contrib.auth import get_user_model
+from django.db.models import Q
+
+User = get_user_model()
+
+
+class UserDetailSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = User
+        fields = ['username', 'email']
+
+
+class UserLoginSerializer(serializers.ModelSerializer):
+    token = serializers.CharField(allow_blank=True, read_only=True)
+    username = serializers.CharField(required=False, allow_blank=True)
+    email = serializers.EmailField(required=False, allow_blank=True)
+
+    class Meta:
+        model = User
+        fields = [
+            'username',
+            'email',
+            'password',
+            'token'
+        ]
+
+        extra_kwargs = {
+            'password': {
+                'write_only': True
+            }
+        }
+
+    def validate(self, data):
+        user_obj = None
+        username = data.get('username', None)
+        email = data.get('email', None)
+        password = data.get('password', None)
+
+        if not email and not username:
+            raise serializers.ValidationError('username or email is required to login.')
+        user = User.objects.filter(
+            Q(username=username) |
+            Q(email=email)
+        ).distinct()
+        user = user.exclude(email__isnull=True).exclude(email__iexact='')
+        if user.exists() and user.count() == 1:
+            user_obj = user.first()
+        else:
+            raise serializers.ValidationError('This username/email is not valid.')
+
+        if user_obj:
+            if not user_obj.check_password(password):
+                raise serializers.ValidationError('Incorrect credentials pls try again.')
+        data['token'] = 'SOME RANDOM TOKEN'
+
+        return data

apps/accounts/api/urls.py

@@ -0,0 +1,8 @@
+from django.urls import path
+from .views import UserLoginAPIView
+
+
+app_name = 'users-api'
+urlpatterns = [
+    path('login/', UserLoginAPIView.as_view(), name='login'),
+]

apps/accounts/api/views.py

@@ -0,0 +1,22 @@
+from django.contrib.auth import get_user_model
+from rest_framework.response import Response
+from rest_framework.status import HTTP_200_OK, HTTP_400_BAD_REQUEST
+from rest_framework.views import APIView
+from rest_framework.permissions import AllowAny
+from .serializers import UserLoginSerializer
+
+User = get_user_model()
+
+
+class UserLoginAPIView(APIView):
+    permission_classes = [AllowAny]
+    serializer_class = UserLoginSerializer
+
+    def post(self, request, *args, **kwargs):
+        data = request.data
+        serializer = UserLoginSerializer(data=data)
+        if serializer.is_valid(raise_exception=True):
+            login_data = serializer.data
+            return Response(login_data, HTTP_200_OK)
+        else:
+            return Response(serializer.errors, HTTP_400_BAD_REQUEST)

mosqkiller/settings.py

@@ -12,6 +12,7 @@ https://docs.djangoproject.com/en/2.0/ref/settings/
 
 import os
 import sys
+import datetime
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -128,3 +129,27 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/2.0/howto/static-files/
 
 STATIC_URL = '/static/'
+
+# drf settings
+REST_FRAMEWORK = {
+    'DEFAULT_RENDERER_CLASSES': (
+        'rest_framework.renderers.JSONRenderer',
+        'rest_framework.renderers.BrowsableAPIRenderer',
+    ),
+    # 'DEFAULT_PARSER_CLASSES': (
+    #     'rest_framework.parsers.JSONParser',
+    # ),
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        'rest_framework_jwt.authentication.JSONWebTokenAuthentication',
+        'rest_framework.authentication.SessionAuthentication',
+        # 'rest_framework.authentication.BasicAuthentication'
+    ),
+    'DEFAULT_PERMISSION_CLASSES': (
+        # 'rest_framework.permissions.IsAuthenticatedOrReadOnly',
+        'rest_framework.permissions.IsAuthenticated',
+    )
+}
+
+JWT_AUTH = {
+    'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=600),
+}

mosqkiller/urls.py

@@ -15,11 +15,14 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path, include
+from rest_framework_jwt.views import obtain_jwt_token
 
 urlpatterns = [
     path('mosq_admin/', admin.site.urls),
     path('api/mosq/', include('mosquito.api.urls')),
     path('api/smart/', include('smart.api.urls')),
+    path('api/users/', include("accounts.api.urls")),
+    path('api/login/', obtain_jwt_token),
 ]
 
 urlpatterns += [