added user reset password api

akarpov/users/api/serializers.py

@@ -57,3 +57,24 @@ class Meta:
             "is_staff": {"read_only": True},
             "is_superuser": {"read_only": True},
         }
+
+
+class UserUpdatePassword(serializers.ModelSerializer):
+    old_password = serializers.CharField(write_only=True)
+
+    class Meta:
+        model = User
+        fields = ("old_password", "password")
+        extra_kwargs = {
+            "password": {"write_only": True},
+        }
+
+    def validate_old_password(self, password: str):
+        if not self.instance.check_password(password):
+            raise serializers.ValidationError("Old password is incorrect")
+        return password
+
+    def update(self, instance, validated_data):
+        instance.set_password(validated_data["password"])
+        instance.save(update_fields=["password"])
+        return instance

akarpov/users/api/urls.py

@@ -1,30 +1,36 @@
 from django.urls import path
 
 from .views import (
-    UserListViewSet,
-    UserRetireUpdateSelfViewSet,
-    UserRetrieveIdViewSet,
-    UserRetrieveViewSet,
+    UserListAPIViewSet,
+    UserRetireUpdateSelfAPIViewSet,
+    UserRetrieveAPIViewSet,
+    UserRetrieveIdAPIAPIView,
+    UserUpdatePasswordAPIView,
 )
 
 app_name = "users_api"
 
 
 urlpatterns = [
-    path("", UserListViewSet.as_view(), name="list"),
+    path("", UserListAPIViewSet.as_view(), name="list"),
     path(
         "self/",
-        UserRetireUpdateSelfViewSet.as_view(),
+        UserRetireUpdateSelfAPIViewSet.as_view(),
         name="self",
     ),
+    path(
+        "self/password",
+        UserUpdatePasswordAPIView.as_view(),
+        name="password",
+    ),
     path(
         "id/<int:pk>",
-        UserRetrieveIdViewSet.as_view(),
+        UserRetrieveIdAPIAPIView.as_view(),
         name="get_by_id",
     ),
     path(
         "<str:username>",
-        UserRetrieveViewSet.as_view(),
+        UserRetrieveAPIViewSet.as_view(),
         name="get",
     ),
 ]

akarpov/users/api/views.py

@@ -9,11 +9,12 @@
     UserFullSerializer,
     UserPublicInfoSerializer,
     UserRegisterSerializer,
+    UserUpdatePassword,
 )
 from akarpov.users.models import User
 
 
-class UserRegisterViewSet(generics.CreateAPIView):
+class UserRegisterAPIViewSet(generics.CreateAPIView):
     """Creates new user and sends verification email"""
 
     serializer_class = UserRegisterSerializer
@@ -26,7 +27,7 @@ def post(self, request, *args, **kwargs):
         return self.create(request, *args, **kwargs)
 
 
-class UserEmailValidationViewSet(views.APIView):
+class UserEmailValidationAPIViewSet(views.APIView):
     """Receives token from email and activates user"""
 
     permission_classes = [permissions.AllowAny]
@@ -43,7 +44,7 @@ def post(self, request):
         return Response(status=status.HTTP_200_OK)
 
 
-class UserListViewSet(generics.ListAPIView):
+class UserListAPIViewSet(generics.ListAPIView):
     serializer_class = UserPublicInfoSerializer
     pagination_class = SmallResultsSetPagination
 
@@ -54,7 +55,7 @@ def get(self, request, *args, **kwargs):
         return self.list(request, *args, **kwargs)
 
 
-class UserRetrieveViewSet(generics.RetrieveAPIView):
+class UserRetrieveAPIViewSet(generics.RetrieveAPIView):
     """Returns user's instance on username"""
 
     serializer_class = UserFullPublicInfoSerializer
@@ -70,7 +71,7 @@ def get(self, request, *args, **kwargs):
         return super().get(request, *args, **kwargs)
 
 
-class UserRetrieveIdViewSet(UserRetrieveViewSet):
+class UserRetrieveIdAPIAPIView(UserRetrieveAPIViewSet):
     """Returns user's instance on user's id"""
 
     lookup_field = "pk"
@@ -82,8 +83,15 @@ def get(self, request, *args, **kwargs):
         return self.retrieve(request, *args, **kwargs)
 
 
-class UserRetireUpdateSelfViewSet(generics.RetrieveUpdateDestroyAPIView):
+class UserRetireUpdateSelfAPIViewSet(generics.RetrieveUpdateDestroyAPIView):
     serializer_class = UserFullSerializer
 
     def get_object(self):
         return self.request.user
+
+
+class UserUpdatePasswordAPIView(generics.UpdateAPIView):
+    serializer_class = UserUpdatePassword
+
+    def get_object(self):
+        return self.request.user

akarpov/users/tests/test_api_views.py

@@ -0,0 +1,29 @@
+from django.urls import reverse_lazy
+from pytest_lambda import lambda_fixture, static_fixture
+from rest_framework import status
+
+
+class TestChangePassword:
+    url = static_fixture(reverse_lazy("api:users:password"))
+    new_password = static_fixture("P@ssw0rd123")
+    user = lambda_fixture(lambda user_factory: user_factory(password="P@ssw0rd"))
+
+    def test_ok(self, api_user_client, url, new_password, user):
+        response = api_user_client.put(
+            url, {"old_password": "P@ssw0rd", "password": new_password}
+        )
+
+        assert response.status_code == status.HTTP_200_OK
+        user.refresh_from_db()
+        assert user.check_password(new_password)
+
+    def test_return_err_if_data_is_invalid(
+        self, api_user_client, url, new_password, user
+    ):
+        response = api_user_client.put(
+            url, {"old_password": "123456", "password": new_password}
+        )
+
+        assert response.status_code == status.HTTP_400_BAD_REQUEST
+        user.refresh_from_db()
+        assert not user.check_password(new_password)

config/api_router.py

@@ -1,7 +1,7 @@
 from django.urls import include, path
 from rest_framework.authtoken.views import obtain_auth_token
 
-from akarpov.users.api.views import UserRegisterViewSet
+from akarpov.users.api.views import UserRegisterAPIViewSet
 
 app_name = "api"
 
@@ -11,7 +11,9 @@
         include(
             [
                 path(
-                    "register/", UserRegisterViewSet.as_view(), name="user_register_api"
+                    "register/",
+                    UserRegisterAPIViewSet.as_view(),
+                    name="user_register_api",
                 ),
                 path("token/", obtain_auth_token),
             ]