X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/721dd9c27d299455b9159457a095716f797389f1..a53c7bf623f7a08706eaf73de44380fbf11b14ad:/app/controllers/api_controller.rb diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb index 0724a3712..fc59ffcc7 100644 --- a/app/controllers/api_controller.rb +++ b/app/controllers/api_controller.rb @@ -1,37 +1,24 @@ class ApiController < ApplicationController - session :off - before_filter :check_read_availability, :except => [:capabilities] + 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 - #COUNT is the number of map requests to allow before exiting and starting a new process - @@count = COUNT - - # The maximum area you're allowed to request, in square degrees - MAX_REQUEST_AREA = APP_CONFIG['max_request_area'] - - # Number of GPS trace/trackpoints returned per-page - TRACEPOINTS_PER_PAGE = APP_CONFIG['tracepoints_per_page'] - # Get an XML response containing a list of tracepoints that have been uploaded # within the specified bounding box, and in the specified page. def trackpoints - @@count+=1 #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") return end - offset = page * TRACEPOINTS_PER_PAGE + offset = page * APP_CONFIG['tracepoints_per_page'] # Figure out the bbox bbox = params['bbox'] @@ -52,10 +39,10 @@ class ApiController < ApplicationController end # get all the points - points = Tracepoint.find_by_area(min_lat, min_lon, max_lat, max_lon, :offset => offset, :limit => 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 = 'UTF-8' + doc.encoding = XML::Encoding::UTF_8 root = XML::Node.new 'gpx' root['version'] = '1.0' root['creator'] = 'OpenStreetMap.org' @@ -63,24 +50,64 @@ class ApiController < ApplicationController 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() - end + 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 - #exit when we have too many requests - if @@count > MAX_COUNT - render :text => doc.to_s, :content_type => "text/xml" - @@count = COUNT - exit! + trkseg << point.to_xml_node(timestamps) end - response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\"" + response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\"" render :text => doc.to_s, :content_type => "text/xml" end @@ -95,8 +122,6 @@ class ApiController < ApplicationController # fetched. All the nodes and ways that are referenced by those ways are then # fetched. Finally all the xml is returned. def map - GC.start - @@count+=1 # Figure out the bbox bbox = params['bbox'] @@ -120,7 +145,7 @@ class ApiController < ApplicationController end # FIXME um why is this area using a different order for the lat/lon from above??? - @nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => {:visible => true}, :limit => APP_CONFIG['max_number_of_nodes']+1) + @nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => {:visible => true}, :include => :node_tags, :limit => APP_CONFIG['max_number_of_nodes']+1) # get all the nodes, by tag not yet working, waiting for change from NickB # need to be @nodes (instance var) so tests in /spec can be performed #@nodes = Node.search(bbox, params[:tag]) @@ -151,7 +176,7 @@ class ApiController < ApplicationController if node_ids.length > 0 way_nodes = WayNode.find_all_by_node_id(node_ids) way_ids = way_nodes.collect { |way_node| way_node.id[0] } - ways = Way.find(way_ids) + ways = Way.find(way_ids, :include => [:way_nodes, :way_tags]) list_of_way_nodes = ways.collect { |way| way.way_nodes.collect { |way_node| way_node.node_id } @@ -166,15 +191,16 @@ class ApiController < ApplicationController nodes_to_fetch = (list_of_way_nodes.uniq - node_ids) - [0] if nodes_to_fetch.length > 0 - @nodes += Node.find(nodes_to_fetch) + @nodes += Node.find(nodes_to_fetch, :include => :node_tags) end visible_nodes = {} + changeset_cache = {} user_display_name_cache = {} @nodes.each do |node| if node.visible? - doc.root << node.to_xml_node(user_display_name_cache) + doc.root << node.to_xml_node(changeset_cache, user_display_name_cache) visible_nodes[node.id] = node end end @@ -182,7 +208,7 @@ class ApiController < ApplicationController way_ids = Array.new ways.each do |way| if way.visible? - doc.root << way.to_xml_node(visible_nodes, user_display_name_cache) + doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache) way_ids << way.id end end @@ -200,19 +226,12 @@ class ApiController < ApplicationController # 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(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\"" render :text => doc.to_s, :content_type => "text/xml" - - #exit when we have too many requests - if @@count > MAX_COUNT - @@count = COUNT - - exit! - end end # Get a list of the tiles that have changed within a specified time @@ -225,7 +244,7 @@ class ApiController < ApplicationController endtime = Time.parse(params[:end]) else hours = (params[:hours] || '1').to_i.hours - endtime = Time.now + endtime = Time.now.getutc starttime = endtime - hours end @@ -276,7 +295,7 @@ class ApiController < ApplicationController version['maximum'] = "#{API_VERSION}"; api << version area = XML::Node.new 'area' - area['maximum'] = MAX_REQUEST_AREA.to_s; + area['maximum'] = APP_CONFIG['max_request_area'].to_s; api << area tracepoints = XML::Node.new 'tracepoints' tracepoints['per_page'] = APP_CONFIG['tracepoints_per_page'].to_s @@ -284,6 +303,12 @@ class ApiController < ApplicationController waynodes = XML::Node.new 'waynodes' waynodes['maximum'] = APP_CONFIG['max_number_of_way_nodes'].to_s api << waynodes + 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