Adding an autogenerated label to contracts

back/app/contract/models.py

@@ -2,7 +2,7 @@ import datetime
 from typing import List, Literal
 from enum import Enum
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, validator
 from beanie.operators import ElemMatch
 
 from ..core.models import CrudDocument, RichtextSingleline, RichtextMultiline, DictionaryEntry
@@ -181,6 +181,19 @@ class Contract(CrudDocument):
     lawyer: Entity = Field(title="Avocat en charge")
     location: str = Field(title="Lieu")
     date: datetime.date = Field(title="Date")
+    label: str = None
+
+    @validator("label", always=True)
+    def generate_label(cls, v, values, **kwargs):
+        if not v:
+            contract_label = values['title']
+            for p in values['parties']:
+                contract_label = contract_label + f" - {p.entity.label}"
+
+            contract_label = contract_label + f" {values['date'].strftime('%m/%d/%Y')}"
+            return contract_label
+
+        return v
 
     class Settings(CrudDocument.Settings):
         fulltext_search = ['name', 'title']