🐛 fix VALUES serialization for preventive archaeological files

1 files changed, 14 insertions, 0 deletions

diff --git a/archaeological_files/models.py b/archaeological_files/models.py
index 5e586aa28..e753908f9 100644
--- a/archaeological_files/models.py
+++ b/archaeological_files/models.py
@@ -19,6 +19,7 @@
 
 import datetime
 from collections import OrderedDict
+import json
 
 from django.apps import apps
 from django.conf import settings
@@ -1755,6 +1756,19 @@ class PreventiveFileEquipmentServiceCost(models.Model):
         verbose_name_plural = _("Equipment requirements")
     ADMIN_SECTION = _("Preventive")
 
+    def toJSON(self):
+        return json.dumps({
+                "file": str(self.file),
+                "equipment_service_cost": str(self.equipment_service_cost),
+                "quantity_by_day_planned": self.quantity_by_day_planned,
+                "days_planned": self.days_planned,
+                "quantity_by_day_worked": self.quantity_by_day_worked,
+                "days_worked": self.days_worked,
+            },
+            sort_keys=True,
+            indent=4
+        )
+
     @property
     def quantity_planned(self):
         if self.equipment_service_cost.flat_rate: