#31 API basic implementation Refactor

* reorganizes code into proper api/utils/serializer subclasses to keep serialization logic away from regular view logic

api/views/views.py

@@ -5,7 +5,6 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 21.01.22
 
 """
-from abc import abstractmethod
 
 from django.http import JsonResponse
 from django.views import View
@@ -22,10 +21,8 @@ class AbstractModelAPIView(View):
     https://datatracker.ietf.org/doc/html/rfc7946
 
     """
-    model = None
+    serializer = None
     user = None
-    lookup = None
-    properties_data = None
 
     class Meta:
         abstract = True
@@ -37,45 +34,11 @@ class AbstractModelAPIView(View):
             "users__in": [],  # must be set in subclasses
         }
         super().__init__(*args, **kwargs)
-
-    @abstractmethod
-    def model_to_geo_json(self, entry):
-        """ Defines the model as geo json
-
-        Args:
-            entry (): The found entry from the database
-
-        Returns:
-
-        """
-        raise NotImplementedError("Must be implemented in subclasses")
-
-    @abstractmethod
-    def extend_properties_data(self, entry):
-        """ Defines the 'properties' part of geo json
-
-        Args:
-            entry (): The found entry from the database
-
-        Returns:
-
-        """
-        raise NotImplementedError("Must be implemented in subclasses")
-
-    def fetch_and_serialize(self):
-        """ Serializes the model entry according to the given lookup data
-
-        Args:
-
-        Returns:
-            serialized_data (dict)
-        """
-        entry = self.model.objects.get(**self.lookup)
-        serialized_data = self.model_to_geo_json(entry)
-        return serialized_data
+        self.serializer = self.serializer()
 
     def dispatch(self, request, *args, **kwargs):
         try:
+            # Fetch the proper user from the given request header token
             self.user = APIUserToken.get_user_from_token(request.headers.get(KSP_TOKEN_HEADER_IDENTIFIER, None))
         except PermissionError as e:
             return self.return_error_response(e, 403)