Refactoring

* splits intervention/models.py into subpackage

intervention/models/responsibility.py

@@ -0,0 +1,53 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: michel.peltriaux@sgdnord.rlp.de
+Created on: 15.11.21
+
+"""
+from django.db import models
+
+from codelist.models import KonovaCode
+from codelist.settings import CODELIST_CONSERVATION_OFFICE_ID, CODELIST_REGISTRATION_OFFICE_ID
+from konova.models import UuidModel
+
+
+class Responsibility(UuidModel):
+    """
+    Holds intervention data about responsible organizations and their file numbers for this case
+
+    """
+    registration_office = models.ForeignKey(
+        KonovaCode,
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name="+",
+        blank=True,
+        limit_choices_to={
+            "code_lists__in": [CODELIST_REGISTRATION_OFFICE_ID],
+            "is_selectable": True,
+            "is_archived": False,
+        }
+    )
+    registration_file_number = models.CharField(max_length=1000, blank=True, null=True)
+    conservation_office = models.ForeignKey(
+        KonovaCode,
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name="+",
+        blank=True,
+        limit_choices_to={
+            "code_lists__in": [CODELIST_CONSERVATION_OFFICE_ID],
+            "is_selectable": True,
+            "is_archived": False,
+        }
+    )
+    conservation_file_number = models.CharField(max_length=1000, blank=True, null=True)
+    handler = models.CharField(max_length=500, null=True, blank=True, help_text="Refers to 'Eingriffsverursacher' or 'Maßnahmenträger'")
+
+    def __str__(self):
+        return "ZB: {} | ETS: {} | Handler: {}".format(
+            self.registration_office,
+            self.conservation_office,
+            self.handler
+        )