Feature: Erstellung der Datenbank und Füllung mit Daten

api/models.py

@@ -1,14 +1,16 @@
 import datetime
 
-from pydantic import BaseModel, EmailStr
+from sqlmodel import Field, SQLModel
 
 
-class Car(BaseModel):
-    id_string: str
+class Car(SQLModel, table=True):
+    id: int | None = Field(default=None, primary_key=True)
+    id_string: str = Field(nullable=False, index=True)
 
 
-class FuelItem(BaseModel):
-    car: Car
-    date: datetime.date
-    odometer_reading: float
-    fuel_fill: float
+class FuelItem(SQLModel, table=True):
+    id: int | None = Field(default=None, primary_key=True)
+    car_id: int | None = Field(default=None, foreign_key="car.id")
+    date: datetime.date = Field(nullable=False, index=True)
+    odometer_reading: float = Field(nullable=False)
+    fuel_fill: float = Field(nullable=False)