more testing of the api. Changing the generator so that it is a constant to come...

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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index c17ff679854075f34760a13bfea6cf7971f1fecb..f7c9f591f23a0bb6a8ac04a199f310f6b015be76 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -11,10 +11,10 @@ class ApiController < ApplicationController
   @@count = COUNT
 
   # The maximum area you're allowed to request, in square degrees
-  MAX_REQUEST_AREA = 0.25
+  MAX_REQUEST_AREA = APP_CONFIG['max_request_area']
 
   # Number of GPS trace/trackpoints returned per-page
-  TRACEPOINTS_PER_PAGE = 5000
+  TRACEPOINTS_PER_PAGE = APP_CONFIG['tracepoints_per_page']
 
   
   def trackpoints
@@ -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
@@ -108,6 +109,7 @@ class ApiController < ApplicationController
       return
     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 = 1", :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
@@ -115,18 +117,24 @@ 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
@@ -169,31 +177,15 @@ 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 +193,8 @@ 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
@@ -252,7 +246,7 @@ class ApiController < ApplicationController
 
       render :text => doc.to_s, :content_type => "text/xml"
     else
-      render :nothing => true, :status => :bad_request
+      render :text => "Requested zoom is invalid", :status => :bad_request
     end
   end
 
@@ -261,12 +255,15 @@ 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;
     api << area
+    tracepoints = XML::Node.new 'tracepoints'
+    tracepoints['per_page'] = APP_CONFIG['tracepoints_per_page'].to_s
+    api << tracepoints
     
     doc.root << api