+ el1 = XML::Node.new "gpx_file"
+ el1["id"] = id.to_s
+ el1["name"] = name.to_s
+ el1["lat"] = latitude.to_s if inserted
+ el1["lon"] = longitude.to_s if inserted
+ el1["user"] = user.display_name
+ el1["visibility"] = visibility
+ el1["pending"] = inserted ? "false" : "true"
+ el1["timestamp"] = timestamp.xmlschema
+
+ el2 = XML::Node.new "description"
+ el2 << description
+ el1 << el2
+
+ tags.each do |tag|
+ el2 = XML::Node.new("tag")
+ el2 << tag.tag
+ el1 << el2
+ end
+
+ el1
+ end
+
+ def update_from_xml(xml, create = false)
+ p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
+ doc = p.parse
+
+ doc.find("//osm/gpx_file").each do |pt|
+ return update_from_xml_node(pt, create)
+ end
+
+ raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
+ rescue LibXML::XML::Error, ArgumentError => ex
+ raise OSM::APIBadXMLError.new("trace", xml, ex.message)
+ end
+
+ def update_from_xml_node(pt, create = false)
+ raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
+
+ self.visibility = pt["visibility"]
+
+ unless create
+ raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
+
+ id = pt["id"].to_i
+ # .to_i will return 0 if there is no number that can be parsed.
+ # We want to make sure that there is no id with zero anyway
+ raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
+ raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
+ end
+
+ # We don't care about the time, as it is explicitly set on create/update/delete
+ # We don't care about the visibility as it is implicit based on the action
+ # and set manually before the actual delete
+ self.visible = true
+
+ description = pt.find("description").first
+ raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
+
+ self.description = description.content
+
+ self.tags = pt.find("tag").collect do |tag|
+ Tracetag.new(:tag => tag.content)
+ end
+ end
+
+ def xml_file
+ # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
+ filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
+ gzipped = filetype =~ /gzip compressed/
+ bzipped = filetype =~ /bzip2 compressed/
+ zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
+
+ if gzipped || bzipped || zipped || tarred
+ tmpfile = Tempfile.new("trace.#{id}")
+
+ if tarred && gzipped
+ system("tar -zxOf #{trace_name} > #{tmpfile.path}")
+ elsif tarred && bzipped
+ system("tar -jxOf #{trace_name} > #{tmpfile.path}")
+ elsif tarred
+ system("tar -xOf #{trace_name} > #{tmpfile.path}")
+ elsif gzipped
+ system("gunzip -c #{trace_name} > #{tmpfile.path}")
+ elsif bzipped
+ system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
+ elsif zipped
+ system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
+ end
+
+ tmpfile.unlink
+
+ file = tmpfile.file
+ else
+ file = File.open(trace_name)
+ end
+
+ file
+ end
+
+ def import
+ logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
+
+ gpx = ::GPX::File.new(xml_file)
+
+ f_lat = 0
+ f_lon = 0
+ first = true
+
+ # If there are any existing points for this trace then delete them
+ Tracepoint.where(:gpx_id => id).delete_all
+
+ # Gather the trace points together for a bulk import
+ tracepoints = []
+ gpx.points do |point|
+ if first
+ f_lat = point.latitude
+ f_lon = point.longitude
+ first = false
+ end
+
+ tp = Tracepoint.new
+ tp.lat = point.latitude
+ tp.lon = point.longitude
+ tp.altitude = point.altitude
+ tp.timestamp = point.timestamp
+ tp.gpx_id = id
+ tp.trackid = point.segment
+ tracepoints << tp
+ end
+
+ # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
+ tracepoints.each do |tp|
+ tp.run_callbacks(:save) { false }
+ tp.run_callbacks(:create) { false }
+ end
+ Tracepoint.import(tracepoints)
+
+ if gpx.actual_points.positive?
+ max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
+ min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
+ max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
+ min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
+
+ max_lat = max_lat.to_f / 10000000
+ min_lat = min_lat.to_f / 10000000
+ max_lon = max_lon.to_f / 10000000
+ min_lon = min_lon.to_f / 10000000
+
+ self.latitude = f_lat
+ self.longitude = f_lon
+ self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
+ self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
+ self.size = gpx.actual_points
+ self.inserted = true
+ save!
+ end
+
+ logger.info "done trace #{id}"
+
+ gpx
projects / rails.git / blobdiff