Initial commit

.env

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+SERVICE_ENV=development
+HOST=127.0.0.1
+PORT=8000
+API_KEY=AIzaSyB_tOjzX6Em41dcetUBf1pqaOY4pU-E-kM
+AUTH_DOMAIN=translate-fe564.firebaseapp.com
+DATABASE_URL=https://translate-fe564-default-rtdb.firebaseio.com/
+PROJECT_ID=translate-fe564
+STORAGE_BUCKET=translate-fe564.appspot.com
+MESSAGING_SENDER_ID=186396337537
+APP_ID=1:186396337537:web:77729bd3347a8d3a933480
+MEASUREMENT_ID=G-T4CXD6SY5G
+
+
+
+FIREBASE_ACCOUNT_TYPE=service_account
+FIREBASE_PROJECT_ID=translate-fe564
+FIREBASE_PRIVATE_KEY_ID=2e4a746ba666c81889c594dac6abbd7399c6b7ce
+FIREBASE_PRIVATE_KEY=-----BEGIN PRIVATE KEY-----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\nPQAw14UomNhQFnpeyxtsK/A=\n-----END PRIVATE KEY-----\n
+FIREBASE_CLIENT_EMAIL=[email protected]
+FIREBASE_CLIENT_ID=106650411189339404056
+FIREBASE_AUTH_URI=https://accounts.google.com/o/oauth2/auth
+FIREBASE_TOKEN_URI=https://oauth2.googleapis.com/token
+FIREBASE_AUTH_PROVIDER_X509_CERT_URL=https://www.googleapis.com/oauth2/v1/certs
+FIREBASE_CLIENT_X509_CERT_URL=https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-a8gi7%40translate-fe564.iam.gserviceaccount.com
+# universe_domain=googleapis.com
+

account/admin.py

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+from django.contrib import admin
+
+# Register your models here.

account/apps.py

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+from django.apps import AppConfig
+
+
+class AccountConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'account'

account/models.py

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+from django.conf import settings
+from django.contrib.auth.models import User
+
+from .serializers import UserSerializer
+from utils import get_datetime
+
+def register_user(username, email):
+    try:
+        user = User.objects.filter(username=username, email=email)
+        user_seralizer = UserSerializer(user.first())
+        user_data = user_seralizer.data
+        user_data['token'] = None
+        user_data['plan'] = 'free'
+        settings.FIREBASE_DB.child('users').child(username).update(user_data)
+    except:
+        pass
+    return None
+
+def login_user(username, token):
+    try:
+        last_login = get_datetime()
+        settings.FIREBASE_DB.child('users').child(username).update({'token': token, 'last_login': last_login})
+    except:
+        pass
+    return None
+
+def logout_user(username):
+    try:
+        last_logout = get_datetime()
+        settings.FIREBASE_DB.child('users').child(username).update({'token': None, 'last_logout': last_logout})
+    except:
+        pass
+    return None
+
+def get_user_plan(username):
+    """Getting user plan on the base of username."""
+    try:
+        data = settings.FIREBASE_DB.child('user_plan').child(username).get().val()
+        if data is None:
+            data = 'free'
+        else:
+            data = data['plan']
+    except:
+        data = 'free'
+    return data

account/serializers.py

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+from rest_framework import serializers
+from django.contrib.auth.models import User
+from rest_framework.validators import UniqueValidator
+from django.contrib.auth.password_validation import validate_password
+
+
+class RegisterSerializer(serializers.ModelSerializer):
+    email = serializers.EmailField(
+            required=True,
+            validators=[UniqueValidator(queryset=User.objects.all())]
+            )
+
+    password = serializers.CharField(write_only=True, required=True, validators=[validate_password])
+    password2 = serializers.CharField(write_only=True, required=True)
+
+    class Meta:
+        model = User
+        fields = ('username', 'password', 'password2', 'email')
+
+    def validate(self, attrs):
+        if attrs['password'] != attrs['password2']:
+            raise serializers.ValidationError({"password": "Password fields didn't match."})
+        return attrs
+
+    def create(self, validated_data):
+        user = User.objects.create(
+            username=validated_data['username'],
+            email=validated_data['email']
+        )
+        user.set_password(validated_data['password'])
+        user.save()
+        return user
+
+
+class UserSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = User
+        fields = '__all__'

account/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

account/urls.py

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+from django.urls import path
+
+from . import views
+
+
+urlpatterns = [
+    path('login/', views.LoginView.as_view(), name='login'),
+    path('register/', views.RegisterView.as_view(), name='register'),
+    path('logout/', views.LogoutView.as_view(), name='logout')
+]

account/views/__init__.py

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+from .register import RegisterView
+from .login import LoginView
+from .logout import LogoutView

account/views/login.py

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+from rest_framework.response import Response
+from rest_framework.views import APIView
+from rest_framework import status
+from django.conf import settings
+from django.contrib.auth.models import User
+
+class LoginView(APIView):
+    def _validate(self, data):
+        """Validating data."""
+        email = data.get('email')
+        if email is None:
+            return 'ERROR: email is not provided.', status.HTTP_400_BAD_REQUEST
+
+        password = data.get('password')
+        if password is None:
+            return 'ERROR: password is not provided.', status.HTTP_400_BAD_REQUEST
+        return data, status.HTTP_200_OK
+
+    def post(self, request, *args, **kwargs):
+        data = request.data
+        rd, sc = self._validate(data)
+        if sc != 200:
+            return Response(rd, sc)
+
+        # Checking existence firebase
+        email = data.get('email')
+        password = data.get('password')
+        try:
+            login = settings.AUTH.sign_in_with_email_and_password(email, password)
+        except:
+            return Response('ERROR: Given email or password is incorrect.', status=status.HTTP_401_UNAUTHORIZED)
+        data = {'token': login['idToken']}
+
+        # Checking local database
+        user = User.objects.filter(email=email)
+        if not user.exists():
+            user = User.objects.create(
+                username=login['localId'],
+                email=email
+            )
+            user.set_password(password)
+            user.save()
+        return Response(data, status=status.HTTP_200_OK)

account/views/logout.py

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+from rest_framework.views import APIView
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.permissions import IsAuthenticated
+
+from utils.auth import FirebaseAuthentication
+class LogoutView(APIView):
+    authentication_classes = [FirebaseAuthentication]
+    permission_classes = [IsAuthenticated]
+    def post(self, request):
+        # Logout is just removing token from frentend side.
+        return Response({'messgae': 'User logout.'}, status=status.HTTP_200_OK)

account/views/register.py

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+from rest_framework.views import APIView
+from rest_framework import status
+from rest_framework.response import Response
+from django.conf import settings
+
+from ..serializers import RegisterSerializer
+from plan.models import update_plan
+
+class RegisterView(APIView):
+    def _validate(self, data):
+        email = data.get('email')
+        if email is None:
+            return 'ERROR: email is not provided.', status.HTTP_400_BAD_REQUEST
+
+        password = data.get('password')
+        if password is None:
+            return 'ERROR: password is not provided.', status.HTTP_400_BAD_REQUEST
+
+        password2 = data.get('password2')
+        if password2 is None:
+            return 'ERROR: password2 is not provided.', status.HTTP_400_BAD_REQUEST
+
+        if password != password2:
+            return 'ERROR: Password mismatch.', status.HTTP_400_BAD_REQUEST
+        return data, status.HTTP_200_OK
+
+    def post(self, request):
+        # Getting data
+        data = request.data
+        rd, sc = self._validate(data)
+        if sc != 200:
+            return Response(rd, sc)
+
+        # Making user in firebase
+        try:
+            email = data.get('email')
+            password = data.get('password')
+            login = settings.AUTH.create_user_with_email_and_password(email, password)
+        except:
+            return Response('ERROR: Given email already exists.', status=status.HTTP_400_BAD_REQUEST)
+
+        try:
+            data = data.dict()
+        except:
+            pass
+        data['username'] = login['localId']
+        serializer = RegisterSerializer(data=data)
+        # Saving data
+        if serializer.is_valid():
+            serializer.save()
+
+        # Adding free plan
+        update_plan(login['localId'], 'free')
+        return Response('User creates successfully.', status=status.HTTP_201_CREATED)