X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/1733e8990a242d7d4b3834b7cec2118597d685bd..ec328801e9c5b0d83d646dbbaf6a10c79223019a:/app/controllers/api_controller.rb diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb index 976c8bd03..820a5cb66 100644 --- a/app/controllers/api_controller.rb +++ b/app/controllers/api_controller.rb @@ -3,15 +3,23 @@ class ApiController < ApplicationController before_filter :authorize after_filter :compress_output + helper :user + model :user + + def authorize_web + @current_user = User.find_by_token(session[:token]) + end + # The maximum area you're allowed to request, in square degrees MAX_REQUEST_AREA = 0.25 def map - response.headers["Content-Type"] = 'application/xml' + GC.start + response.headers["Content-Type"] = 'text/xml' # Figure out the bbox bbox = params['bbox'] unless bbox and bbox.count(',') == 3 - report_error("The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat") + report_error("The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat") return end @@ -24,22 +32,22 @@ class ApiController < ApplicationController # check the bbox is sane unless min_lon <= max_lon - report_error("The minimum longitude must be less than the maximum longitude, but it wasn't") + report_error("The minimum longitude must be less than the maximum longitude, but it wasn't") return end unless min_lat <= max_lat - report_error("The minimum latitude must be less than the maximum latitude, but it wasn't") + report_error("The minimum latitude must be less than the maximum latitude, but it wasn't") return end - unless min_lon >= -180 && min_lat >= -90 && max_lon <= 180 && max_lat <= 90 - report_error("The latitudes must be between -90 and 90, and longitudes between -180 and 180") + unless min_lon >= -180 && min_lat >= -90 && max_lon <= 180 && max_lat <= 90 + report_error("The latitudes must be between -90 and 90, and longitudes between -180 and 180") return - end + end # check the bbox isn't too large requested_area = (max_lat-min_lat)*(max_lon-min_lon) if requested_area > MAX_REQUEST_AREA - report_error("The maximum bbox size is " + MAX_REQUEST_AREA.to_s + ", and your request was too large. Either request a smaller area, or use planet.osm") + report_error("The maximum bbox size is " + MAX_REQUEST_AREA.to_s + ", and your request was too large. Either request a smaller area, or use planet.osm") return end @@ -48,7 +56,14 @@ class ApiController < ApplicationController node_ids = nodes.collect {|node| node.id } - # (in the future, we may wish to abort here if we found too many nodes) + if node_ids.length > 50_000 + report_error("You requested too many nodes (limit is 50,000). Either request a smaller area, or use planet.osm") + end + + if node_ids.length == 0 + render :text => '' + return + end # grab the segments segments = Array.new @@ -68,7 +83,7 @@ class ApiController < ApplicationController # get missing nodes if there are any nodes += Node.find(missing_nodes) if missing_nodes.length > 0 - doc = OSM::API.get_xml_doc + doc = OSM::API.new.get_xml_doc # get ways # find which ways are needed @@ -78,18 +93,54 @@ class ApiController < ApplicationController way_segments = WaySegment.find_all_by_segment_id(segment_ids) way_ids = way_segments.collect {|way_segment| way_segment.id } ways = Way.find(way_ids) # NB: doesn't pick up segments, tags from db until accessed via way.way_segments etc. + + # seg_ids = way_segments.collect {|way_segment| way_segment.segment_id } + + list_of_way_segs = ways.collect {|way| way.way_segments} + list_of_way_segs.flatten! + + list_of_way_segments = list_of_way_segs.collect { |way_seg| way_seg.segment_id } + end + segments_to_fetch = list_of_way_segments.uniq - segment_ids + + if segments_to_fetch.length > 0 + segments += Segment.find(segments_to_fetch) + end + + # get more nodes + # + + segments_nodes = segments.collect {|segment| segment.node_a } + segments_nodes += segments.collect {|segment| segment.node_b } + + node_ids_a = nodes.collect {|node| node.id } + + nodes_to_get = segments_nodes - node_ids_a + nodes += Node.find(nodes_to_get) if nodes_to_get.length > 0 + + visible_nodes = {} + user_display_name_cache = {} + nodes.each do |node| - doc.root << node.to_xml_node() + if node.visible? + doc.root << node.to_xml_node(user_display_name_cache) + visible_nodes[node.id] = node + end end + visible_segments = {} + segments.each do |segment| - doc.root << segment.to_xml_node() - end + if visible_nodes[segment.node_a] and visible_nodes[segment.node_b] and segment.visible? + doc.root << segment.to_xml_node(user_display_name_cache) + visible_segments[segment.id] = segment + end + end ways.each do |way| - doc.root << way.to_xml_node() + doc.root << way.to_xml_node(visible_segments, user_display_name_cache) if way.visible? end render :text => doc.to_s