Fix/24655 (#26527)

Co-authored-by: charles liu <dearcharles.liu@gmail.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

api/fields/dataset_fields.py

@@ -75,6 +75,7 @@ dataset_detail_fields = {
     "document_count": fields.Integer,
     "word_count": fields.Integer,
     "created_by": fields.String,
+    "author_name": fields.String,
     "created_at": TimestampField,
     "updated_by": fields.String,
     "updated_at": TimestampField,

api/models/dataset.py

@@ -121,6 +121,13 @@ class Dataset(Base):
     def created_by_account(self):
         return db.session.get(Account, self.created_by)
 
+    @property
+    def author_name(self) -> str | None:
+        account = db.session.get(Account, self.created_by)
+        if account:
+            return account.name
+        return None
+
     @property
     def latest_process_rule(self):
         return (