Category overhaul (#20)

Reviewed-on: #20
Co-authored-by: Mathias <mathias2784@web.de>

src/models/transactions.py

@@ -5,7 +5,7 @@ from pydantic import Field, computed_field
 from sqlalchemy import Date, ForeignKey, Index, Integer, String, UniqueConstraint
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
-from src.models._common import ExportBaseModel, IngestdbBase, _hash, date2str
+from src.models.common import ExportBaseModel, IngestdbBase, date2str, hashify
 
 
 class Transaction(ExportBaseModel):
@@ -33,7 +33,7 @@ class Transaction(ExportBaseModel):
     @computed_field  # type: ignore[prop-decorator]
     @property
     def hash_id(self) -> str:
-        return _hash(
+        return hashify(
             self.source,
             self.account_iban,
             self.date_valid,