convert mapdata.models.geometry into python package

src/c3nav/mapdata/models/base.py

@@ -1,18 +1,11 @@
 from collections import OrderedDict
-
 from django.db import models
 from django.db.models.base import ModelBase
 from django.utils.translation import get_language
-from shapely.geometry import Point, mapping
 
-from c3nav.mapdata.fields import GeometryField
 from c3nav.mapdata.lastupdate import set_last_mapdata_update
-from c3nav.mapdata.utils.json import format_geojson
 
 FEATURE_TYPES = OrderedDict()
-GEOMETRY_FEATURE_TYPES = OrderedDict()
-LEVEL_FEATURE_TYPES = OrderedDict()
-AREA_FEATURE_TYPES = OrderedDict()
 
 
 class FeatureBase(ModelBase):
@@ -20,13 +13,6 @@ class FeatureBase(ModelBase):
         cls = super().__new__(mcs, name, bases, attrs)
         if not cls._meta.abstract and name != 'Source':
             FEATURE_TYPES[name.lower()] = cls
-            if hasattr(cls, 'geometry'):
-                GEOMETRY_FEATURE_TYPES[name.lower()] = cls
-            if hasattr(cls, 'level'):
-                LEVEL_FEATURE_TYPES[name.lower()] = cls
-            if hasattr(cls, 'area'):
-                AREA_FEATURE_TYPES[name.lower()] = cls
-
         return cls
 
 
@@ -54,32 +40,3 @@ class Feature(models.Model, metaclass=FeatureBase):
         abstract = True
 
 
-class GeometryFeature(Feature):
-    """
-    A map feature with a geometry
-    """
-    geometry = GeometryField()
-
-    geomtype = None
-
-    class Meta:
-        abstract = True
-
-    def get_geojson_properties(self):
-        return OrderedDict((
-            ('type', self.__class__.__name__.lower()),
-            ('id', self.id),
-        ))
-
-    def to_geojson(self):
-        return OrderedDict((
-            ('type', 'Feature'),
-            ('properties', self.get_geojson_properties()),
-            ('geometry', format_geojson(mapping(self.geometry), round=False)),
-        ))
-
-    def get_shadow_geojson(self):
-        return None
-
-    def contains(self, x, y):
-        return self.geometry.contains(Point(x, y))