additional consistency checks. making the error message for the number of nodes use...

[rails.git] / app / controllers / api_controller.rb

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 36ce88acd135e7a8cfe56d98b36dd5a1fe9c8cbb..8b876d3a79830e6f40cd9073aa03e3a3bb8bbad5 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -79,8 +79,9 @@ class ApiController < ApplicationController
       exit!
     end
 
-    render :text => doc.to_s, :content_type => "text/xml"
+    response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\""
 
+    render :text => doc.to_s, :content_type => "text/xml"
   end
 
   def map
@@ -115,28 +116,34 @@ class ApiController < ApplicationController
 
     node_ids = @nodes.collect(&:id)
     if node_ids.length > APP_CONFIG['max_number_of_nodes']
-      report_error("You requested too many nodes (limit is 50,000). Either request a smaller area, or use planet.osm")
+      report_error("You requested too many nodes (limit is #{APP_CONFIG['max_number_of_nodes']}). Either request a smaller area, or use planet.osm")
       return
     end
     if node_ids.length == 0
-      render :text => "<osm version='0.5'></osm>", :content_type => "text/xml"
+      render :text => "<osm version='#{API_VERSION}'></osm>", :content_type => "text/xml"
       return
     end
 
-    relations = Array.new
-
     doc = OSM::API.new.get_xml_doc
 
+    # add bounds
+    bounds = XML::Node.new 'bounds'
+    bounds['minlat'] = min_lat.to_s
+    bounds['minlon'] = min_lon.to_s
+    bounds['maxlat'] = max_lat.to_s
+    bounds['maxlon'] = max_lon.to_s
+    doc.root << bounds
+
     # get ways
     # find which ways are needed
     ways = Array.new
     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] }
+      way_ids = way_nodes.collect { |way_node| way_node.id[0] }
       ways = Way.find(way_ids)
 
       list_of_way_nodes = ways.collect { |way|
-             way.way_nodes.collect { |way_node| way_node.node_id }
+        way.way_nodes.collect { |way_node| way_node.node_id }
       }
       list_of_way_nodes.flatten!
 
@@ -169,31 +176,15 @@ class ApiController < ApplicationController
       end
     end 
 
-    # collect relationships. currently done in one big block at the end;
-    # may need to move this upwards if people want automatic completion of
-    # relationships, i.e. deliver referenced objects like we do with ways...
-    relations = Array.new
-    if visible_nodes.length > 0
-        relations += Relation.find_by_sql("select e.* from current_relations e,current_relation_members em where " +
-            "e.visible=1 and " +
-            "em.id = e.id and em.member_type='node' and em.member_id in (#{visible_nodes.keys.join(',')})")
-    end
-    if way_ids.length > 0
-        relations += Relation.find_by_sql("select e.* from current_relations e,current_relation_members em where " +
-            "e.visible=1 and " +
-            "em.id = e.id and em.member_type='way' and em.member_id in (#{way_ids.join(',')})")
-    end
+    relations = Relation.find_for_nodes(visible_nodes.keys, :conditions => "visible = 1") +
+                Relation.find_for_ways(way_ids, :conditions => "visible = 1")
+
     # we do not normally return the "other" partners referenced by an relation, 
     # e.g. if we return a way A that is referenced by relation X, and there's 
     # another way B also referenced, that is not returned. But we do make 
     # an exception for cases where an relation references another *relation*; 
     # in that case we return that as well (but we don't go recursive here)
-    relation_ids = relations.collect { |relation| relation.id }
-    if relation_ids.length > 0
-        relations += Relation.find_by_sql("select e.* from current_relations e,current_relation_members em where " +
-            "e.visible=1 and " +
-            "em.id = e.id and em.member_type='relation' and em.member_id in (#{relation_ids.join(',')})")
-    end
+    relations += Relation.find_for_relations(relations.collect { |r| r.id }, :conditions => "visible = 1")
 
     # 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.
@@ -201,6 +192,8 @@ class ApiController < ApplicationController
       doc.root << relation.to_xml_node(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
@@ -261,8 +254,8 @@ class ApiController < ApplicationController
 
     api = XML::Node.new 'api'
     version = XML::Node.new 'version'
-    version['minimum'] = '0.5';
-    version['maximum'] = '0.5';
+    version['minimum'] = "#{API_VERSION}";
+    version['maximum'] = "#{API_VERSION}";
     api << version
     area = XML::Node.new 'area'
     area['maximum'] = MAX_REQUEST_AREA.to_s;