Allow future date validations with boolean values

Author: Sylvain Delabye

CHANGELOG.rst

@@ -9,6 +9,7 @@ master (unreleased)
 - Add/Confirm support of Django REST Framework 3.11 (#417).
 - Added a thorough documentation for maintainers
 - Pin psycopg2-binary to 2.8 in testing env to fix CI.
+- Allow to create validations `IS_DATE_IN_THE_FUTURE` by passing a boolean value instead of a string.
 
 Release 7.0.0 (2021-03-11)
 ==========================

formidable/serializers/validation.py

@@ -128,8 +128,14 @@ class FutureDateSerializer(ValidationSerializer):
 
     type_id = 'IS_DATE_IN_THE_FUTURE'
 
+    def to_internal_value(self, data):
+        if isinstance(data['value'], bool):
+            data['value'] = str(data['value'])
+        data = super().to_internal_value(data)
+        return data
+
     def validate_value(self, value):
-        if value in ['t', "true"]:
-            return "true"
+        if value in ['t', 'true', 'True']:
+            return 'true'
         else:
-            return "false"
+            return 'false'