class ApiController < ApplicationController
- before_filter :authorize
+ session :off
+ before_filter :check_read_availability, :except => [:capabilities]
after_filter :compress_output
- helper :user
- model :user
-
#COUNT is the number of map requests to allow before exiting and starting a new process
@@count = COUNT
- 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 trackpoints
@@count+=1
- response.headers["Content-Type"] = 'text/xml'
#retrieve the page number
page = params['page'].to_i
unless page
return
end
- # integerise
- min_lat = min_lat * 1000000
- max_lat = max_lat * 1000000
- min_lon = min_lon * 1000000
- max_lon = max_lon * 1000000
# get all the points
- points = Tracepoint.find(:all, :conditions => ['gps_points.latitude > ? AND gps_points.longitude > ? AND gps_points.latitude < ? AND gps_points.longitude < ? AND ( public = 1 OR gpx_files.user_id = ? ) AND visible = 1', min_lat.to_i, min_lon.to_i, max_lat.to_i, max_lon.to_i, @user.id ], :select => "gps_points.*", :joins => "INNER JOIN gpx_files ON gpx_files.id = gpx_id", :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 => TRACEPOINTS_PER_PAGE, :order => "timestamp DESC" )
doc = XML::Document.new
doc.encoding = 'UTF-8'
#exit when we have too many requests
if @@count > MAX_COUNT
- render :text => doc.to_s
+ render :text => doc.to_s, :content_type => "text/xml"
@@count = COUNT
exit!
end
- render :text => doc.to_s
+ render :text => doc.to_s, :content_type => "text/xml"
end
def map
+ GC.start
@@count+=1
- response.headers["Content-Type"] = 'text/xml'
# Figure out the bbox
bbox = params['bbox']
unless bbox and bbox.count(',') == 3
end
# get all the nodes
- nodes = Node.find(:all, :conditions => ['latitude > ? AND longitude > ? AND latitude < ? AND longitude < ? AND visible = 1', min_lat, min_lon, max_lat, max_lon])
+ nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => "visible = 1")
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")
+ return
+ end
+
+ if node_ids.length == 0
+ render :text => "<osm version='0.4'></osm>", :content_type => "text/xml"
+ return
+ end
# grab the segments
segments = Array.new
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 }
+
+ else
+ list_of_way_segments = Array.new
+ end
+
+ # - [0] in case some thing links to segment 0 which doesn't exist. Shouldn't actually ever happen but it does. FIXME: file a ticket for this
+ segments_to_fetch = (list_of_way_segments.uniq - segment_ids) - [0]
+
+ 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
+ render :text => doc.to_s, :content_type => "text/xml"
#exit when we have too many requests
if @@count > MAX_COUNT
- render :text => doc.to_s
@@count = COUNT
+
exit!
end
+ end
+
+ def capabilities
+ doc = OSM::API.new.get_xml_doc
+
+ api = XML::Node.new 'api'
+ version = XML::Node.new 'version'
+ version['minimum'] = '0.4';
+ version['maximum'] = '0.4';
+ api << version
+ area = XML::Node.new 'area'
+ area['maximum'] = MAX_REQUEST_AREA.to_s;
+ api << area
+
+ doc.root << api
+ render :text => doc.to_s, :content_type => "text/xml"
end
end
projects / rails.git / blobdiff