Chore: Pushing changes to migrate from windows/wsl to fedora

backend/app/schemas/models.py

@@ -49,11 +49,12 @@ class Product(SQLModel, table=True):
     """
     __table_args__ = (UniqueConstraint("product_code"),)
 
-    id: Optional[int] = Field(nullable=False, primary_key=True)
+    id: Optional[int] = Field(default=None, primary_key=True)
     product_code: str = Field(max_length=10, nullable=False)
     product_name: str = Field(max_length=20, nullable=False, unique=True)
     purchase_price: int = Field(nullable=False)
     date_modified: datetime = Field(
+        default=None,
         sa_column=Column(DateTime,
                          server_default=func.now(),
                          server_onupdate=func.now())
@@ -77,6 +78,7 @@ class Payment(SQLModel, table=True):
     amount: int = Field(nullable=False)
     payment_method: str = Field(max_length=24, nullable=False)
     date: datetime = Field(
+        default=None,
         sa_column=Column(DateTime, server_default=func.now())
     )
 
@@ -96,5 +98,6 @@ class Credit(SQLModel, table=True):
     qty: int = Field(nullable=False)
     amount: int = Field(nullable=False)
     date: datetime = Field(
+        default=None,
         sa_column=Column(DateTime, server_default=func.now())
     )