added docstring

margin_app/app/models/order.py

@@ -1,13 +1,26 @@
-from base import BaseModel
-from sqlalchemy import BIGINT, VARCHAR, Numeric, ForeignKey
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy import VARCHAR, Numeric, ForeignKey
 from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column
+
+from base import BaseModel
 
 
 class Order(BaseModel):
+    """
+    Represents an order placed by a user.
+
+    Attributes:
+    - user_id (UUID): The unique identifier of the user who placed the order.
+                      Acts as both a primary key and a foreign key referencing the "user" table.
+    - price (float): The price of the order, stored with a precision of up to 10 digits and 2 decimal places.
+    - token (str): The token associated with the order.
+    - position (UUID): The identifier of the position related to the order.
+
+    Table:
+    - Name: "order"
+    """
     __tablename__ = "order"
     user_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("user.id"), primary_key=True)
     price: Mapped[float] = mapped_column(Numeric(precision=10, scale=2))
     token: Mapped[str] = mapped_column(VARCHAR)
     position: Mapped[UUID] = mapped_column(UUID(as_uuid=True))
-