#190 Mandatory finished deadline

* adds template message to indicate a finished-deadline is mandatory
* adds finished deadline existance to quality check of compensation-like entries
* adds proper warning to quality check result
* extends tests

compensation/models/compensation.py

@@ -14,16 +14,14 @@ from user.models import User, Team
 from django.db import models, transaction
 from django.db.models import QuerySet, Sum
 from django.http import HttpRequest
-from django.utils.translation import gettext_lazy as _
 
 from compensation.managers import CompensationManager
 from compensation.models import CompensationState, CompensationAction
 from compensation.utils.quality import CompensationQualityChecker
 from konova.models import BaseObject, AbstractDocument, Deadline, generate_document_file_upload_path, \
-    GeoReferencedMixin
-from konova.settings import DEFAULT_SRID_RLP, LANIS_LINK_TEMPLATE
+    GeoReferencedMixin, DeadlineType
 from konova.utils.message_templates import DATA_UNSHARED_EXPLANATION, COMPENSATION_REMOVED_TEMPLATE, \
-    DOCUMENT_REMOVED_TEMPLATE, COMPENSATION_EDITED_TEMPLATE, DEADLINE_REMOVED, ADDED_DEADLINE, \
+    DOCUMENT_REMOVED_TEMPLATE, DEADLINE_REMOVED, ADDED_DEADLINE, \
     COMPENSATION_ACTION_REMOVED, COMPENSATION_STATE_REMOVED, INTERVENTION_HAS_REVOCATIONS_TEMPLATE
 from user.models import UserActionLogEntry
 
@@ -226,6 +224,15 @@ class AbstractCompensation(BaseObject, GeoReferencedMixin):
         request = self.set_geometry_conflict_message(request)
         return request
 
+    def get_finished_deadlines(self):
+        """ Getter for FINISHED-deadlines
+
+        Returns:
+            queryset (QuerySet): The finished deadlines
+        """
+        return self.deadlines.filter(
+            type=DeadlineType.FINISHED
+        )
 
 class CEFMixin(models.Model):
     """ Provides CEF flag as Mixin