Add all preamble

backend/app/models/house.py

@@ -0,0 +1,10 @@
+from sqlmodel import SQLModel, Field
+from uuid import uuid4
+
+class House(SQLModel, table=True):
+    id: int = Field(primary_key=True, default_factory=uuid4),
+    address: str
+    city: str
+    country: str
+    price: float
+    description: str = None

backend/app/models/owner.py

@@ -0,0 +1,7 @@
+from sqlmodel import SQLModel, Field
+from uuid import uuid4
+
+class Owner(SQLModel, table=True):
+    id: int = Field(default_factory=uuid4, primary_key=True)
+    name: str
+    email: str

backend/app/models/prediction.py

@@ -5,15 +5,6 @@ class HousePredictionInput(BaseModel):
     square_feet: float = Field(..., gt=0, description="Square footage of the house")
     bedrooms: int = Field(..., ge=1, description="Number of bedrooms")
     bathrooms: float = Field(..., gt=0, description="Number of bathrooms")
-    
-    class Config:
-        json_schema_extra = {
-            "example": {
-                "square_feet": 2000,
-                "bedrooms": 3,
-                "bathrooms": 2.5
-            }
-        }
 
 class HousePredictionOutput(BaseModel):
     predicted_price: float

backend/app/models/user.py

@@ -0,0 +1,7 @@
+from sqlmodel import SQLModel, Field
+
+class User(SQLModel, table=True):
+    id: int = Field(default=None, primary_key=True)
+    username: str = Field(unique=True, nullable=False)
+    email: str = Field(unique=True, nullable=False)
+    password_hash: str = Field(nullable=False)