raise NotFound exception in permission, fix UserProjectsSerializer get_collaborator

Author: yakser

news/permissions.py

@@ -1,5 +1,6 @@
 from django.contrib.auth import get_user_model
 from rest_framework import permissions
+from rest_framework.exceptions import NotFound
 from rest_framework.permissions import SAFE_METHODS
 
 from partner_programs.models import PartnerProgram
@@ -42,14 +43,14 @@ def has_permission(self, request, view):
                 if request.method in SAFE_METHODS or (request.user == project.leader):
                     return True
             except Project.DoesNotExist:
-                return False
+                raise NotFound
 
         if view.kwargs.get("user_pk"):
             try:
                 user = User.objects.get(pk=view.kwargs["user_pk"])
                 if request.method in SAFE_METHODS or (request.user == user):
                     return True
             except User.DoesNotExist:
-                return False
+                raise NotFound
 
         return False

users/serializers.py

@@ -220,7 +220,11 @@ def get_collaborator(self, project: Project):
         # TODO: fix me, import in a functon
         from projects.serializers import CollaboratorSerializer
 
-        user = self.context.get("request").user
+        user = (
+            self.context.get("request").user
+            if self.context.get("user") is None
+            else self.context.get("user")
+        )
         try:
             collaborator = project.collaborator_set.get(user=user)
         except Collaborator.DoesNotExist: