add Item back into models.py for now

Author: monicasmith463

backend/app/models.py

@@ -119,3 +119,29 @@ class TokenPayload(SQLModel):
 class NewPassword(SQLModel):
     token: str
     new_password: str = Field(min_length=8, max_length=40)
+
+#TODO: Delete Item later.
+
+class ItemBase(SQLModel):
+    title: str = Field(min_length=1, max_length=255)
+    description: str | None = Field(default=None, max_length=255)
+
+class ItemCreate(ItemBase):
+    pass
+
+class ItemUpdate(ItemBase):
+    title: str | None = Field(default=None, min_length=1, max_length=255)  # type: ignore
+
+class Item(ItemBase, table=True):
+    id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
+    owner_id: uuid.UUID = Field(
+        foreign_key="user.id", nullable=False, ondelete="CASCADE"
+    )
+    owner: User | None = Relationship(back_populates="items")
+
+class ItemPublic(ItemBase):
+    id: uuid.UUID
+    owner_id: uuid.UUID
+    filename: str
+    content_type: str | None = None
+    size: int | None = None