can possibly create

oarepo_doi/api.py

@@ -56,16 +56,16 @@ def edit_doi(service, record, event=None):
     """edit existing draft"""
 
     mapping = obj_or_import_string(service.mapping[record.schema])()
-    errors = mapping.metadata_check(record)
-    record_service = get_record_service_for_record(record)
-    record["links"] = record_service.links_item_tpl.expand(system_identity, record)
-    if len(errors) > 0 and event:
-        raise ValidationError(
-            message=f"Could not assigned doi due to validation error: {errors} "
-        )
-
     doi_value = mapping.get_doi(record)
+
     if doi_value:
+        errors = mapping.metadata_check(record)
+        record_service = get_record_service_for_record(record)
+        record["links"] = record_service.links_item_tpl.expand(system_identity, record)
+        if len(errors) > 0 and event:
+            raise ValidationError(
+                message=f"Could not assigned doi due to validation error: {errors} "
+            )
         if not service.url.endswith("/"):
             url = service.url + "/"
         else:

oarepo_doi/types/doi.py

@@ -33,3 +33,12 @@ def can_create(self, identity, data, receiver, topic, creator, *args, **kwargs):
                 message=f"Could not assigned doi due to validation error: {errors} "
             )
         super().can_create(identity, data, receiver, topic, creator, *args, **kwargs)
+
+    def can_possibly_create(self, identity, record , *args, **kwargs):
+        mapping_file = current_app.config.get("DATACITE_MAPPING")
+        mapping = obj_or_import_string(mapping_file[record.schema])()
+        doi_value = mapping.get_doi(record)
+        if doi_value:
+            return False
+        else:
+            return super().can_possibly_create(identity, record, *args, **kwargs)

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = oarepo-doi
-version = 1.0.8
+version = 1.0.9
 description =
 authors = Alzbeta Pokorna <[email protected]>
 readme = README.md