44 lines
1.5 KiB
Ruby
44 lines
1.5 KiB
Ruby
module Api
|
|
class TracepointsController < ApiController
|
|
before_action :check_api_readable
|
|
|
|
authorize_resource
|
|
|
|
around_action :api_call_handle_error, :api_call_timeout
|
|
|
|
# Get an XML response containing a list of tracepoints that have been uploaded
|
|
# within the specified bounding box, and in the specified page.
|
|
def index
|
|
# retrieve the page number
|
|
page = params["page"].to_s.to_i
|
|
|
|
unless page >= 0
|
|
report_error("Page number must be greater than or equal to 0")
|
|
return
|
|
end
|
|
|
|
offset = page * Settings.tracepoints_per_page
|
|
|
|
# Figure out the bbox
|
|
# check boundary is sane and area within defined
|
|
# see /config/application.yml
|
|
begin
|
|
bbox = BoundingBox.from_bbox_params(params)
|
|
bbox.check_boundaries
|
|
bbox.check_size
|
|
rescue StandardError => e
|
|
report_error(e.message)
|
|
return
|
|
end
|
|
|
|
# get all the points
|
|
ordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[trackable identifiable] }).order("gpx_id DESC, trackid ASC, timestamp ASC")
|
|
unordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[public private] }).order("gps_points.latitude", "gps_points.longitude", "gps_points.timestamp")
|
|
@points = ordered_points.union_all(unordered_points).offset(offset).limit(Settings.tracepoints_per_page).preload(:trace)
|
|
|
|
response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\""
|
|
|
|
render :formats => [:gpx]
|
|
end
|
|
end
|
|
end
|