LIL-112. Исправить регистрацию по существующему e-mail

apps/auth/views.py

@@ -30,7 +30,19 @@ class LearnerRegistrationView(FormView):
         email = form.cleaned_data['email']
         password = form.cleaned_data['password']
 
-        user = User.objects.create_user(username=email, email=email, first_name=first_name, last_name=last_name, password=password)
+        user, created = User.objects.get_or_create(
+            username=email, email=email,
+            first_name=first_name, last_name=last_name
+        )
+
+        if not created:
+            return JsonResponse({
+                "success": False,
+                'errors': {'__all__': [{'message': 'Возможно вы уже зарегистрированы?'}]}
+            }, status=400)
+
+        user.set_password(password)
+        user.save()
         login(self.request, user)
 
         # fixme: change email text
@@ -64,7 +76,8 @@ class LoginView(FormView):
 
 class VerificationEmailView(View):
     def get(self, request, *args, **kwargs):
-        is_valid_token = verification_email_token.check_token(request.user, kwargs.get('token'))
+        is_valid_token = verification_email_token.check_token(
+            request.user, kwargs.get('token'))
 
         if is_valid_token:
             lilcity_user_settings = request.user.lilcity_user_settings
@@ -122,7 +135,8 @@ class FacebookLoginOrRegistration(View):
 
         facebook_id = data.get('id')
 
-        lilcity_user_settings = LilcityUserSettings.objects.filter(facebook_id=facebook_id)
+        lilcity_user_settings = LilcityUserSettings.objects.filter(
+            facebook_id=facebook_id)
         if lilcity_user_settings.count():
             login(requests, user=lilcity_user_settings[0].user)
             return JsonResponse({"success": True})
@@ -136,7 +150,8 @@ class FacebookLoginOrRegistration(View):
             first_name = data.get('first_name', '')
             last_name = data.get('last_name', '')
 
-            user = LilcityUserProxy.objects.create_user(username=email, email=email, first_name=first_name, last_name=last_name, password=uuid4().hex)
+            user = LilcityUserProxy.objects.create_user(
+                username=email, email=email, first_name=first_name, last_name=last_name, password=uuid4().hex)
 
             user.lilcity_user_settings.is_verification_email = True
             user.lilcity_user_settings.facebook_id = facebook_id