02: Changed setup for alembic and sqlAlchemy

app/db/models/location.py

@@ -0,0 +1,46 @@
+from sqlalchemy import String, Integer, Float, BigInteger
+from sqlalchemy.orm import relationship
+from sqlalchemy.orm import Mapped, mapped_column
+from app.db.models.base import Base
+
+
+class Location(Base):
+
+    __tablename__ = "locations"
+
+    id: Mapped[int] = mapped_column(primary_key=True, index=True)
+
+    # OSM Identifiers
+    place_id: Mapped[int] = mapped_column(BigInteger, unique=True, index=True)
+    osm_id: Mapped[int] = mapped_column(BigInteger)
+    osm_type: Mapped[str] = mapped_column(String(20))
+
+    # Coordinates
+    latitude: Mapped[float] = mapped_column(Float)
+    longitude: Mapped[float] = mapped_column(Float)
+
+    # Address Info
+    house_number: Mapped[str] = mapped_column(String(20), nullable=True)
+    road: Mapped[str] = mapped_column(String(150))
+    city: Mapped[str] = mapped_column(String(100))
+    county: Mapped[str] = mapped_column(String(100))
+    state: Mapped[str] = mapped_column(String(100))
+    postcode: Mapped[str] = mapped_column(String(20))
+    country: Mapped[str] = mapped_column(String(100))
+    country_code: Mapped[str] = mapped_column(String(10))
+
+    # Display name
+    display_name: Mapped[str] = mapped_column(String(300))
+
+    # Bounding Box
+    bbox_lat_min: Mapped[float] = mapped_column(Float)
+    bbox_lat_max: Mapped[float] = mapped_column(Float)
+    bbox_lon_min: Mapped[float] = mapped_column(Float)
+    bbox_lon_max: Mapped[float] = mapped_column(Float)
+
+    property = relationship(
+        "Property",
+        back_populates="location",
+        uselist=False,
+        cascade="all, delete-orphan"
+    )