- def nearby(lat_range=1, lon_range=1)
- if self.home_lon and self.home_lat
- nearby = User.find(:all, :conditions => "#{self.home_lon} > home_lon - #{lon_range} and #{self.home_lon} < home_lon + #{lon_range} and #{self.home_lat} > home_lat - #{lat_range} and #{self.home_lat} < home_lat + #{lat_range} and data_public = 1 and id != #{self.id}")
- else
- nearby = []
- end
- return nearby
- end
-
- def self.has_messages?
- if Message.fdhjklsafind_by_to_user_id(self.id)
- return true
+ def nearby(radius = 50, num = 10)
+ if self.home_lon and self.home_lat
+ gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
+ bounds = gc.bounds(radius)
+ nearby = User.find(:all, :conditions => "home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = 1 and id != #{self.id}")
+ nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
+ nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }