class Tracepoint < ActiveRecord::Base
set_table_name 'gps_points'
-# validates_numericality_of :latitude
-# validates_numericality_of :longitude
+ validates_numericality_of :trackid, :only_integer => true
+ validates_numericality_of :latitude, :only_integer => true
+ validates_numericality_of :longitude, :only_integer => true
+ validates_associated :trace
+ validates_presence_of :timestamp
- belongs_to :user
belongs_to :trace, :foreign_key => 'gpx_id'
+
+ 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 lng=(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
+
+ def to_xml_node
+ el1 = XML::Node.new 'trkpt'
+ el1['lat'] = self.lat.to_s
+ el1['lon'] = self.lon.to_s
+ return el1
+ end
end