#31 API basic implementation Refactor

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

api/utils/v1/intervention.py

@@ -0,0 +1,30 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: michel.peltriaux@sgdnord.rlp.de
+Created on: 24.01.22
+
+"""
+
+from django.db.models import QuerySet
+
+from api.utils.v1.serializer import AbstractModelAPISerializerV1
+from intervention.models import Intervention
+
+
+class InterventionAPISerializerV1(AbstractModelAPISerializerV1):
+    model = Intervention
+
+    def compensations_to_json(self, qs: QuerySet):
+        return list(
+            qs.values(
+                "id", "identifier", "title"
+            )
+        )
+
+    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)
+        self.properties_data["compensations"] = self.compensations_to_json(entry.compensations.all())
+        self.properties_data["payments"] = self.payments_to_json(entry.payments.all())
+        self.properties_data["deductions"] = self.deductions_to_json(entry.deductions.all())