Fill in the tile ID before saving a trace point. Also add appropriate

[rails.git] / app / models / tracepoint.rb

diff --git a/app/models/tracepoint.rb b/app/models/tracepoint.rb
index 90de368b551a27210973059f2893e4b9aaeb7aa3..e48a2748d16b86b3965c415f884cb1e7112946b2 100644 (file)
--- a/app/models/tracepoint.rb
+++ b/app/models/tracepoint.rb
@@ -1,18 +1,32 @@
 class Tracepoint < ActiveRecord::Base
-set_table_name 'gps_points'
+  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 * 1000000
+    self.latitude = (l * 1000000).round
   end
 
   def lng=(l)
-    self.longitude = l * 1000000
+    self.longitude = (l * 1000000).round
   end
 
   def lat
@@ -22,4 +36,11 @@ set_table_name 'gps_points'
   def lon
     return self.longitude.to_f / 1000000
   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