]> git.openstreetmap.org Git - rails.git/blob - app/controllers/api/tracepoints_controller.rb
Refactor tracepoint index to use an xml builder view
[rails.git] / app / controllers / api / tracepoints_controller.rb
1 module Api
2   class TracepointsController < ApiController
3     authorize_resource
4
5     before_action :check_api_readable
6     around_action :api_call_handle_error, :api_call_timeout
7
8     # Get an XML response containing a list of tracepoints that have been uploaded
9     # within the specified bounding box, and in the specified page.
10     def index
11       # retrieve the page number
12       page = params["page"].to_s.to_i
13
14       unless page >= 0
15         report_error("Page number must be greater than or equal to 0")
16         return
17       end
18
19       offset = page * Settings.tracepoints_per_page
20
21       # Figure out the bbox
22       # check boundary is sane and area within defined
23       # see /config/application.yml
24       begin
25         bbox = BoundingBox.from_bbox_params(params)
26         bbox.check_boundaries
27         bbox.check_size
28       rescue StandardError => e
29         report_error(e.message)
30         return
31       end
32
33       # get all the points
34       ordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[trackable identifiable] }).order("gpx_id DESC, trackid ASC, timestamp ASC")
35       unordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[public private] }).order("gps_points.latitude", "gps_points.longitude", "gps_points.timestamp")
36       @points = ordered_points.union_all(unordered_points).offset(offset).limit(Settings.tracepoints_per_page).preload(:trace)
37
38       response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\""
39
40       render :formats => [:gpx]
41     end
42   end
43 end