Factor out common code for models which deal with geographic points

into a base class.
This commit is contained in:
Tom Hughes 2007-10-10 23:00:25 +00:00
parent 60d8673e30
commit dd33fc633c
4 changed files with 33 additions and 87 deletions

29
app/models/geo_record.rb Normal file
View file

@ -0,0 +1,29 @@
class GeoRecord < ActiveRecord::Base
before_save :update_tile
def self.find_by_area(minlat, minlon, maxlat, maxlon, options)
self.with_scope(:find => {:conditions => OSM.sql_for_area(minlat, minlon, maxlat, maxlon)}) do
return self.find(:all, options)
end
end
def update_tile
self.tile = QuadTile.tile_for_point(lat, lon)
end
def lat=(l)
self.latitude = (l * 10000000).round
end
def lon=(l)
self.longitude = (l * 10000000).round
end
def lat
return self.latitude.to_f / 10000000
end
def lon
return self.longitude.to_f / 10000000
end
end