🚨 [#4927] Add missing allow_blank=True for several fields

src/openapi.yaml

@@ -3238,7 +3238,6 @@ paths:
         schema:
           type: string
           default: ''
-          minLength: 1
         description: Filter document types for a given case type. The identification
           is unique within the catalogue for a case type. Note that multiple versions
           of the same case type with the same identification exist. The filter returns
@@ -3249,7 +3248,6 @@ paths:
           type: string
           format: uri
           default: ''
-          minLength: 1
         description: Filter document types against this catalogue URL.
       - in: query
         name: objects_api_group
@@ -3942,7 +3940,6 @@ paths:
         schema:
           type: string
           default: ''
-          minLength: 1
         description: Filter document types for a given case type. The identification
           is unique within the catalogue for a case type. Note that multiple versions
           of the same case type with the same identification exist. The filter returns
@@ -3953,7 +3950,6 @@ paths:
           type: string
           format: uri
           default: ''
-          minLength: 1
         description: Filter document types against this catalogue URL.
       - in: query
         name: zgw_api_group

src/openforms/config/api/serializers.py

@@ -26,6 +26,7 @@ class PrivacyPolicyInfoSerializer(serializers.Serializer):
             "The formatted label to use next to the checkbox when asking the user to agree to the privacy policy."
         ),
         required=False,
+        allow_blank=True,
     )
 
 

src/openforms/contrib/kadaster/api/serializers.py

@@ -22,6 +22,7 @@ class GetStreetNameAndCityViewResultSerializer(serializers.Serializer):
         label=_("city and street name secret"),
         help_text=_("Secret for the combination of city and street name"),
         required=False,
+        allow_blank=True,
     )
 
 

src/openforms/contrib/zgw/api/filters.py

@@ -17,6 +17,7 @@ class DocumentTypesFilter(serializers.Serializer):
         help_text=_("Filter document types against this catalogue URL."),
         required=False,
         default="",
+        allow_blank=True,
     )
     case_type_identification = serializers.CharField(
         required=False,
@@ -28,6 +29,7 @@ class DocumentTypesFilter(serializers.Serializer):
             "document type if it occurs within any version of the specified case type."
         ),
         default="",
+        allow_blank=True,
     )
 
     def validate(self, attrs):

src/openforms/contrib/zgw/api/serializers.py

@@ -107,4 +107,5 @@ class CaseTypeProductSerializer(serializers.Serializer):
         label=_("description"),
         help_text=_("The description of a product bound to a case type. "),
         required=False,
+        allow_blank=True,
     )

src/openforms/contrib/zgw/serializers.py

@@ -30,6 +30,7 @@ class CatalogueSerializer(serializers.Serializer):
         ),
         default="",
         validators=[validate_uppercase],
+        allow_blank=True,
     )
     rsin = serializers.CharField(
         label=_("RSIN"),
@@ -40,6 +41,7 @@ class CatalogueSerializer(serializers.Serializer):
             "The 'rsin' attribute for the Catalogus resource in the Catalogi API."
         ),
         default="",
+        allow_blank=True,
     )
 
     class Meta:

src/openforms/prefill/api/serializers.py

@@ -33,6 +33,7 @@ class PrefillPluginQueryParameterSerializer(serializers.Serializer):
         required=False,
         label=_("Form.io component type"),
         help_text=_("Only return plugins applicable for the specified component type."),
+        allow_blank=True,
     )
 
     def to_internal_value(self, data):

src/openforms/registrations/contrib/objects_api/config.py

@@ -133,6 +133,7 @@ class ObjectsAPIOptionsSerializer(JsonSchemaSerializerMixin, serializers.Seriali
         validators=[validate_rsin],
         help_text=_("RSIN of organization, which creates the INFORMATIEOBJECT."),
         required=False,
+        allow_blank=True,
     )
 
     iot_submission_report = serializers.CharField(

src/openforms/registrations/contrib/zgw_apis/options.py

@@ -72,6 +72,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
             "timestamp. When you specify this field, you MUST also specify a catalogue."
         ),
         default="",
+        allow_blank=True,
     )
     document_type_description = serializers.CharField(
         required=False,  # either htis field or informatieobjecttype (legacy) must be provided
@@ -84,6 +85,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
             "are valid."
         ),
         default="",
+        allow_blank=True,
     )
     product_url = serializers.URLField(
         label=_("Product url"),
@@ -113,6 +115,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
         required=False,
         validators=[validate_rsin],
         help_text=_("RSIN of organization, which creates the ZAAK"),
+        allow_blank=True,
     )
     zaak_vertrouwelijkheidaanduiding = serializers.ChoiceField(
         label=_("Vertrouwelijkheidaanduiding"),
@@ -127,6 +130,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
         help_text=_(
             "Description (omschrijving) of the ROLTYPE to use for employees filling in a form for a citizen/company."
         ),
+        allow_blank=True,
     )
 
     # Objects API
@@ -149,6 +153,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
             "3) data (the submitted form data)"
         ),
         required=False,
+        allow_blank=True,
     )
     objecttype_version = serializers.IntegerField(
         label=_("objects API - objecttype version"),
@@ -166,6 +171,7 @@ class ZaakOptionsSerializer(JsonSchemaSerializerMixin, serializers.Serializer):
             ),
         ],
         required=False,
+        allow_blank=True,
     )
 
     # Eigenschappen

src/openforms/submissions/api/serializers.py

@@ -461,11 +461,13 @@ class SubmissionProcessingStatusSerializer(serializers.Serializer):
         label=_("Confirmation page title"),
         required=False,
         help_text=_("Title of the confirmation page."),
+        allow_blank=True,
     )
     confirmation_page_content = CSPPostProcessedHTMLField(
         label=_("Confirmation page content"),
         required=False,
         help_text=_("Body text of the confirmation page. May contain HTML!"),
+        allow_blank=True,
     )
     report_download_url = serializers.URLField(
         label=_("Report download URL"),

src/openforms/validations/api/serializers.py

@@ -24,6 +24,7 @@ class ValidatorsFilterSerializer(serializers.Serializer):
         help_text=_(
             "Only return validators applicable for the specified component type."
         ),
+        allow_blank=True,
     )
 
     def to_internal_value(self, data):