class Trace < ActiveRecord::Base
set_table_name 'gpx_files'
+ validates_presence_of :user_id, :name, :public, :description, :timestamp
+# validates_numericality_of :latitude, :longitude
+ validates_inclusion_of :inserted, :in => [ true, false]
+
belongs_to :user
has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :destroy
+ has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :destroy
def tagstring=(s)
self.tags = s.split().collect {|tag|
tt.tag = tag
tt
}
- end\r
- \r
- def large_picture= (data)\r
- f = File.new(large_picture_name, "wb")\r
- f.syswrite(data)\r
- f.close\r
- end\r
- \r
- def icon_picture= (data)\r
- f = File.new(icon_picture_name, "wb")\r
- f.syswrite(data)\r
- f.close\r
- end\r
-\r
- def large_picture\r
- f = File.new(large_picture_name, "rb")\r
- logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}"\r
- data = f.sysread(File.size(f.path))\r
- logger.info "have read data, bytes: '#{data.length}'"\r
- f.close\r
- data\r
- end\r
- \r
- def icon_picture\r
- f = File.new(icon_picture_name, "rb")\r
- logger.info "icon picture file: '#{f.path}'"\r
- data = f.sysread(File.size(f.path))\r
- f.close\r
- data\r
- end\r
- \r
- # FIXME change to permanent filestore area\r
- def large_picture_name\r
- "/tmp/#{id}.gif"\r
- end\r
-\r
- # FIXME change to permanent filestore area\r
- def icon_picture_name\r
- "/tmp/#{id}_icon.gif"\r
- end\r
+ end
+
+ def large_picture= (data)
+ f = File.new(large_picture_name, "wb")
+ f.syswrite(data)
+ f.close
+ end
+
+ def icon_picture= (data)
+ f = File.new(icon_picture_name, "wb")
+ f.syswrite(data)
+ f.close
+ end
+
+ def large_picture
+ f = File.new(large_picture_name, "rb")
+ logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}"
+ data = f.sysread(File.size(f.path))
+ logger.info "have read data, bytes: '#{data.length}'"
+ f.close
+ data
+ end
+
+ def icon_picture
+ f = File.new(icon_picture_name, "rb")
+ logger.info "icon picture file: '#{f.path}'"
+ data = f.sysread(File.size(f.path))
+ f.close
+ data
+ end
+
+ # FIXME change to permanent filestore area
+ def large_picture_name
+ "/home/osm/icons/#{id}.gif"
+ end
+
+ # FIXME change to permanent filestore area
+ def icon_picture_name
+ "/home/osm/icons/#{id}_icon.gif"
+ end
+
+ def trace_name
+ "/home/osm/gpx/#{id}.gpx"
+ end
+
+ def to_xml_node
+ el1 = XML::Node.new 'gpx_file'
+ el1['id'] = self.id.to_s
+ el1['name'] = self.name.to_s
+ el1['lat'] = self.latitude.to_s
+ el1['lon'] = self.longitude.to_s
+ el1['user'] = self.user.display_name
+ el1['public'] = self.public.to_s
+ el1['pending'] = (!self.inserted).to_s
+ el1['timestamp'] = self.timestamp.xmlschema
+ return el1
+ end
+
+ 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 = `file -b #{trace_name}`.chomp
+ gzipped = filetype =~ /^gzip/
+ zipped = filetype =~ /^Zip/
+
+ if gzipped
+ filename = tempfile = "/tmp/#{rand}"
+ system("gunzip -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.user_id = user.id
+ 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
+
+ Notifier::deliver_gpx_success(self, gpx.possible_points)
+ else
+ FileUtils.rm_f("/home/osm/gpx/#{id}.gpx")
+ self.destroy
+ Notifier::deliver_gpx_failure(self, '0 points parsed ok. Do they all have lat,lng,alt,timestamp?')
+ end
+
+ logger.info "done trace #{id}"
+ rescue Exception => ex
+ logger.info ex
+ ex.backtrace.each {|l| logger.info l }
+ FileUtils.rm_f("/home/osm/gpx/#{id}.gpx")
+ self.destroy
+ Notifier::deliver_gpx_failure(self, ex.to_s + ex.backtrace.join("\n") )
+ ensure
+ FileUtils.rm_f(tempfile) if tempfile
+ end
+ end
end
projects / rails.git / blobdiff