#31 API code cleaning

* splits large AbstractModelAPISerializer into different reusable Mixins to increase reusability of code for similar models

api/utils/serializer/v1/intervention.py

@@ -8,7 +8,8 @@ Created on: 24.01.22
 from django.db import transaction
 from django.db.models import QuerySet
 
-from api.utils.serializer.v1.serializer import AbstractModelAPISerializerV1
+from api.utils.serializer.v1.serializer import AbstractModelAPISerializerV1, \
+    ResponsibilityAPISerializerV1Mixin, LegalAPISerializerV1Mixin
 from codelist.settings import CODELIST_CONSERVATION_OFFICE_ID, CODELIST_REGISTRATION_OFFICE_ID, \
     CODELIST_PROCESS_TYPE_ID, CODELIST_LAW_ID
 from intervention.models import Intervention, Responsibility, Legal
@@ -17,7 +18,7 @@ from konova.tasks import celery_update_parcels
 from user.models import UserActionLogEntry
 
 
-class InterventionAPISerializerV1(AbstractModelAPISerializerV1):
+class InterventionAPISerializerV1(AbstractModelAPISerializerV1, ResponsibilityAPISerializerV1Mixin, LegalAPISerializerV1Mixin):
     model = Intervention
 
     def compensations_to_json(self, qs: QuerySet):
@@ -27,6 +28,17 @@ class InterventionAPISerializerV1(AbstractModelAPISerializerV1):
             )
         )
 
+    def payments_to_json(self, qs: QuerySet):
+        """ Serializes payments into json
+
+        Args:
+            qs (QuerySet): A queryset of Payment entries
+
+        Returns:
+            serialized_json (list)
+        """
+        return list(qs.values("amount", "due_on", "comment"))
+
     def extend_properties_data(self, entry):
         self.properties_data["responsible"] = self.responsible_to_json(entry.responsible)
         self.properties_data["legal"] = self.legal_to_json(entry.legal)