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[rails.git] / lib / osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index ae8e70896a7d3c7a775a05cc7b637527b9ca17b9..5f31e31bf3f83f2b232cd1687c0c7b6657d19bff 100644 (file)
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -5,7 +5,7 @@ module OSM
   #
   # This would print every latitude value:
   #
-  # gpx = OSM:GPXImporter.new('somefile.gpx')
+  # gpx = OSM::GPXImporter.new('somefile.gpx')
   # gpx.points {|p| puts p['latitude']}
 
   require 'time'
@@ -69,13 +69,13 @@ module OSM
     attr_reader :tracksegs
 
     def initialize(filename)
+      @filename = filename
+    end
+
+    def points
       @possible_points = 0
       @actual_points = 0
       @tracksegs = 0
-      @points = []
-
-      file = File.new(filename)
-      parser = REXML::Parsers::SAX2Parser.new( file )
 
       lat = -1
       lon = -1
@@ -85,6 +85,8 @@ module OSM
       gotele = false
       gotdate = false
 
+      parser = REXML::Parsers::SAX2Parser.new(File.new(@filename))
+
       parser.listen( :start_element,  %w{ trkpt }) do |uri,localname,qname,attributes| 
         lat = attributes['lat'].to_f
         lon = attributes['lon'].to_f
@@ -99,8 +101,11 @@ module OSM
 
       parser.listen( :characters, %w{ time } ) do |text|
         if text && text != ''
-          date = DateTime.parse(text)
-          gotdate = true
+          begin
+            date = DateTime.parse(text)
+            gotdate = true
+          rescue
+          end
         end
       end
 
@@ -113,18 +118,15 @@ module OSM
           ele = '0' unless gotele
           if lat < 90 && lat > -90 && lon > -180 && lon < 180
             @actual_points += 1
-            @points.push(Hash['latitude' => lat,'longitude' => lon,'timestamp' => date,'altitude' => ele,'segment' => @tracksegs])
+            yield Hash['latitude' => lat, 'longitude' => lon, 'timestamp' => date, 'altitude' => ele, 'segment' => @tracksegs]
           end
         end
         gotlatlon = false
         gotele = false
         gotdate = false
       end
-      parser.parse
-    end
 
-    def points
-      @points.each { |p| yield p }
+      parser.parse
     end
 
     def get_picture(min_lat, min_lon, max_lat, max_lon, num_points)
@@ -309,7 +311,7 @@ module OSM
       image << link
     end
 
-    def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=DateTime.now)
+    def add(latitude=0, longitude=0, title_text='dummy title', author_text='anonymous', url='http://www.example.com/', description_text='dummy description', timestamp=DateTime.now)
       item = XML::Node.new 'item'
 
       title = XML::Node.new 'title'
@@ -327,6 +329,10 @@ module OSM
       description << description_text
       item << description
 
+      author = XML::Node.new 'author'
+      author << author_text
+      item << author
+
       pubDate = XML::Node.new 'pubDate'
       pubDate << timestamp.to_s(:rfc822)
       item << pubDate
@@ -362,4 +368,27 @@ module OSM
       return doc
     end
   end
+
+  def self.IPLocation(ip_address)
+    Timeout::timeout(4) do
+      Net::HTTP.start('api.hostip.info') do |http|
+        country = http.get("/country.php?ip=#{ip_address}").body
+        country = "GB" if country = "UK"
+        Net::HTTP.start('ws.geonames.org') do |http|
+          xml = REXML::Document.new(http.get("/countryInfo?country=#{country}").body)
+          xml.elements.each("geonames/country") do |ele|
+            minlon = ele.get_text("bBoxWest").to_s
+            minlat = ele.get_text("bBoxSouth").to_s
+            maxlon = ele.get_text("bBoxEast").to_s
+            maxlat = ele.get_text("bBoxNorth").to_s
+            return { :minlon => minlon, :minlat => minlat, :maxlon => maxlon, :maxlat => maxlat }
+          end
+        end
+      end
+    end
+
+    return nil
+  rescue Exception
+    return nil
+  end
 end