2 class TracepointsController < ApiController
5 # Get an XML response containing a list of tracepoints that have been uploaded
6 # within the specified bounding box, and in the specified page.
8 # retrieve the page number
9 page = params["page"].to_s.to_i
12 report_error("Page number must be greater than or equal to 0")
16 offset = page * Settings.tracepoints_per_page
19 # check boundary is sane and area within defined
20 # see /config/application.yml
22 raise OSM::APIBadUserInput, "The parameter bbox is required" unless params[:bbox]
24 bbox = BoundingBox.from_bbox_params(params)
27 rescue StandardError => e
28 report_error(e.message)
33 ordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[trackable identifiable] }).order("gpx_id DESC, trackid ASC, timestamp ASC")
34 unordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[public private] }).order("gps_points.latitude", "gps_points.longitude", "gps_points.timestamp")
35 @points = ordered_points.union_all(unordered_points).offset(offset).limit(Settings.tracepoints_per_page).preload(:trace)
37 response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\""
39 render :formats => [:gpx]