users and status working

app/alchemy/base.py

@@ -0,0 +1,44 @@
+from sqlalchemy.orm import DeclarativeBase, declared_attr, Mapped, mapped_column, relationship, add_mapped_attribute
+
+
+
+def to_snake_case(name: str) -> str:
+    return "".join(["_" + i.lower() if i.isupper() else i for i in name]).lstrip("_")
+
+
+
+def bidirectional_relationship(cls, foreign_table_cls):
+    """Create a bidirectional relationship between two table-classes."""
+
+    column_name = f"{to_snake_case(cls.__name__)}"
+    column_name = f"{column_name}es" if column_name.endswith("s") else f"{column_name}s"
+
+    add_mapped_attribute(
+        foreign_table_cls,
+        column_name,
+        relationship(cls,
+                     back_populates=foreign_table_cls.__tablename__,
+                     cascade="all, delete-orphan",
+                     collection_class=set,
+                     )
+    )
+
+    return relationship(foreign_table_cls.__name__, back_populates=column_name)
+
+
+class Base(DeclarativeBase):
+    __abstract__ = True
+
+    id: Mapped[int] = mapped_column(primary_key=True, sort_order=-1000000)
+
+    # noinspection PyMethodParameters
+    @declared_attr.directive
+    def __tablename__(cls) -> str:
+        """Default table name in Database is derived from Class Name"""
+        return to_snake_case(cls.__name__)
+
+
+# noinspection PyPep8Naming
+
+
+