-
- def nearby(lat_range=1, lon_range=1)
-
- nearby = User.find(:all, :conditions => "#{self.home_lon} > home_lon - #{lon_range} and #{self.home_lon} < home_lon + #{lon_range} and #{self.home_lon} > home_lon - #{lon_range} and #{self.home_lon} < home_lon + #{lon_range} and data_public = 1")
- return nearby
+
+ def languages
+ attribute_present?(:languages) ? read_attribute(:languages).split(",") : []
+ end
+
+ def languages=(languages)
+ write_attribute(:languages, languages.join(","))
+ end
+
+ def preferred_language
+ languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
+ end
+
+ 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 => ["visible = ? and home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = ? and id != #{self.id}", true, true])
+ 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) }
+ else
+ nearby = []
+ end
+ return nearby.first(num)
+ end
+
+ def distance(nearby_user)
+ return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
+ end
+
+ def is_friends_with?(new_friend)
+ res = false
+ @new_friend = new_friend
+ self.friends.each do |friend|
+ if friend.friend_user_id == @new_friend.id
+ return true
+ end
+ end
+ return false