class ApiController < ApplicationController
- session :off
before_filter :check_api_readable, :except => [:capabilities]
after_filter :compress_output
+ around_filter :api_call_handle_error, :api_call_timeout
# Help methods for checking boundary sanity and area size
include MapBoundary
# within the specified bounding box, and in the specified page.
def trackpoints
#retrieve the page number
- page = params['page'].to_i
- unless page
- page = 0;
- end
+ page = params['page'].to_s.to_i
unless page >= 0
report_error("Page number must be greater than or equal to 0")
end
# get all the points
- points = Tracepoint.find_by_area(min_lat, min_lon, max_lat, max_lon, :offset => offset, :limit => APP_CONFIG['tracepoints_per_page'], :order => "timestamp DESC" )
+ points = Tracepoint.find_by_area(min_lat, min_lon, max_lat, max_lon, :offset => offset, :limit => APP_CONFIG['tracepoints_per_page'], :order => "gpx_id DESC, trackid ASC, timestamp ASC" )
doc = XML::Document.new
doc.encoding = XML::Encoding::UTF_8
doc.root = root
- track = XML::Node.new 'trk'
- doc.root << track
-
- trkseg = XML::Node.new 'trkseg'
- track << trkseg
+ # initialise these variables outside of the loop so that they
+ # stay in scope and don't get free'd up by the GC during the
+ # loop.
+ gpx_id = -1
+ trackid = -1
+ track = nil
+ trkseg = nil
+ anon_track = nil
+ anon_trkseg = nil
+ gpx_file = nil
+ timestamps = false
points.each do |point|
- trkseg << point.to_xml_node()
+ if gpx_id != point.gpx_id
+ gpx_id = point.gpx_id
+ trackid = -1
+ gpx_file = Trace.find(gpx_id)
+
+ if gpx_file.trackable?
+ track = XML::Node.new 'trk'
+ doc.root << track
+ timestamps = true
+
+ if gpx_file.identifiable?
+ track << (XML::Node.new("name") << gpx_file.name)
+ track << (XML::Node.new("desc") << gpx_file.description)
+ track << (XML::Node.new("url") << url_for(:controller => 'trace', :action => 'view', :id => gpx_file.id))
+ end
+ else
+ # use the anonymous track segment if the user hasn't allowed
+ # their GPX points to be tracked.
+ timestamps = false
+ if anon_track.nil?
+ anon_track = XML::Node.new 'trk'
+ doc.root << anon_track
+ end
+ track = anon_track
+ end
+ end
+
+ if trackid != point.trackid
+ if gpx_file.trackable?
+ trkseg = XML::Node.new 'trkseg'
+ track << trkseg
+ trackid = point.trackid
+ else
+ if anon_trkseg.nil?
+ anon_trkseg = XML::Node.new 'trkseg'
+ anon_track << anon_trkseg
+ end
+ trkseg = anon_trkseg
+ end
+ end
+
+ trkseg << point.to_xml_node(timestamps)
end
response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\""
# this "uniq" may be slightly inefficient; it may be better to first collect and output
# all node-related relations, then find the *not yet covered* way-related ones etc.
relations.uniq.each do |relation|
- doc.root << relation.to_xml_node(changeset_cache, user_display_name_cache)
+ doc.root << relation.to_xml_node(nil, changeset_cache, user_display_name_cache)
end
response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\""
changesets = XML::Node.new 'changesets'
changesets['maximum_elements'] = Changeset::MAX_ELEMENTS.to_s
api << changesets
+ timeout = XML::Node.new 'timeout'
+ timeout['seconds'] = APP_CONFIG['api_timeout'].to_s
+ api << timeout
doc.root << api