+
+ def import
+ begin
+ logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
+
+ # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
+ filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+ gzipped = filetype =~ /gzip compressed/
+ bzipped = filetype =~ /bzip2 compressed/
+ zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
+
+ if tarred and gzipped then
+ filename = tempfile = "/tmp/#{rand}"
+ system("tar -zxOf #{trace_name} > #{filename}")
+ elsif tarred and bzipped then
+ filename = tempfile = "/tmp/#{rand}"
+ system("tar -jxOf #{trace_name} > #{filename}")
+ elsif tarred
+ filename = tempfile = "/tmp/#{rand}"
+ system("tar -xOf #{trace_name} > #{filename}")
+ elsif gzipped
+ filename = tempfile = "/tmp/#{rand}"
+ system("gunzip -c #{trace_name} > #{filename}")
+ elsif bzipped
+ filename = tempfile = "/tmp/#{rand}"
+ system("bunzip2 -c #{trace_name} > #{filename}")
+ elsif zipped
+ filename = tempfile = "/tmp/#{rand}"
+ system("unzip -p #{trace_name} > #{filename}")
+ else
+ filename = trace_name
+ end
+
+ gpx = OSM::GPXImporter.new(filename)
+
+ f_lat = 0
+ f_lon = 0
+ first = true
+
+ Tracepoint.delete_all(['gpx_id = ?', self.id])
+
+ gpx.points do |point|
+ if first
+ f_lat = point['latitude']
+ f_lon = point['longitude']
+ end
+
+ tp = Tracepoint.new
+ tp.lat = point['latitude'].to_f
+ tp.lng = point['longitude'].to_f
+ tp.altitude = point['altitude'].to_f
+ tp.timestamp = point['timestamp']
+ tp.gpx_id = id
+ tp.trackid = point['segment'].to_i
+ tp.save!
+ end
+
+ if gpx.actual_points > 0
+ max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
+ min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
+ max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
+ min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
+
+ max_lat = max_lat.to_f / 1000000
+ min_lat = min_lat.to_f / 1000000
+ max_lon = max_lon.to_f / 1000000
+ min_lon = min_lon.to_f / 1000000
+
+ self.latitude = f_lat
+ self.longitude = f_lon
+ self.large_picture = gpx.get_picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
+ self.icon_picture = gpx.get_icon(min_lat, min_lon, max_lat, max_lon)
+ self.size = gpx.actual_points
+ self.inserted = true
+ self.save
+ end
+
+ logger.info "done trace #{id}"
+
+ return gpx
+ ensure
+ FileUtils.rm_f(tempfile) if tempfile
+ end
+ end