edward/geocode
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Update model

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This commit is contained in:
Edward Betts 2022-05-18 14:11:51 +01:00
parent c5a66abb25
commit 529611b42c
1 changed files with 9 additions and 3 deletions
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12
geocode/model.py
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@ -21,7 +21,12 @@ class Polygon(Base):
way_area = Column(Float) way_area = Column(Float)
tags = Column(postgresql.HSTORE) tags = Column(postgresql.HSTORE)
way = Column(Geometry("GEOMETRY", srid=4326, spatial_index=True), nullable=False) way = Column(Geometry("GEOMETRY", srid=4326, spatial_index=True), nullable=False)
area = column_property(func.ST_Area(way)) area = column_property(func.ST_Area(way, False))
@property
def osm_url(self):
osm_type = "way" if self.osm_id > 0 else "relation"
return f"https://www.openstreetmap.org/{osm_type}/{abs(self.osm_id)}"
@hybrid_property @hybrid_property
def area_in_sq_km(self): def area_in_sq_km(self):
@ -30,8 +35,9 @@ class Polygon(Base):
@classmethod @classmethod
def coords_within(cls, lat, lon): def coords_within(cls, lat, lon):
point = func.ST_SetSRID(func.ST_MakePoint(lon, lat), 4326) point = func.ST_SetSRID(func.ST_MakePoint(lon, lat), 4326)
return cls.query.filter(cls.admin_level.isnot(None), return (cls.query.filter(cls.admin_level.isnot(None),
func.ST_Within(point, cls.way)) func.ST_Within(point, cls.way))
.order_by(cls.area))
class Scotland(Base): class Scotland(Base):
__tablename__ = "scotland" __tablename__ = "scotland"