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[rails.git] / app / controllers / api / relations_controller.rb

diff --git a/app/controllers/api/relations_controller.rb b/app/controllers/api/relations_controller.rb
index b7d990c3d3570321d21614afc1ef94293d39055b..19aed6a85db00dd715c7fe05ee9662eca08db20d 100644 (file)
--- a/app/controllers/api/relations_controller.rb
+++ b/app/controllers/api/relations_controller.rb
@@ -2,35 +2,57 @@ module Api
   class RelationsController < ApiController
     require "xml/libxml"
 
+    before_action :check_api_writable, :only => [:create, :update, :delete]
+    before_action :check_api_readable, :except => [:create, :update, :delete]
     before_action :authorize, :only => [:create, :update, :delete]
 
     authorize_resource
 
     before_action :require_public_data, :only => [:create, :update, :delete]
-    before_action :check_api_writable, :only => [:create, :update, :delete]
-    before_action :check_api_readable, :except => [:create, :update, :delete]
     around_action :api_call_handle_error, :api_call_timeout
 
-    def create
-      assert_method :put
+    before_action :set_request_formats, :except => [:create, :update, :delete]
 
-      relation = Relation.from_xml(request.raw_post, true)
+    def index
+      raise OSM::APIBadUserInput, "The parameter relations is required, and must be of the form relations=id[,id[,id...]]" unless params["relations"]
 
-      # Assume that Relation.from_xml has thrown an exception if there is an error parsing the xml
-      relation.create_with_history current_user
-      render :plain => relation.id.to_s
+      ids = params["relations"].split(",").collect(&:to_i)
+
+      raise OSM::APIBadUserInput, "No relations were given to search for" if ids.empty?
+
+      @relations = Relation.find(ids)
+
+      # Render the result
+      respond_to do |format|
+        format.xml
+        format.json
+      end
     end
 
     def show
-      relation = Relation.find(params[:id])
-      response.last_modified = relation.timestamp
-      if relation.visible
-        render :xml => relation.to_xml.to_s
+      @relation = Relation.find(params[:id])
+      response.last_modified = @relation.timestamp
+      if @relation.visible
+        # Render the result
+        respond_to do |format|
+          format.xml
+          format.json
+        end
       else
         head :gone
       end
     end
 
+    def create
+      assert_method :put
+
+      relation = Relation.from_xml(request.raw_post, :create => true)
+
+      # Assume that Relation.from_xml has thrown an exception if there is an error parsing the xml
+      relation.create_with_history current_user
+      render :plain => relation.id.to_s
+    end
+
     def update
       logger.debug request.raw_post
 
@@ -70,9 +92,9 @@ module Api
         # first find the ids of nodes, ways and relations referenced by this
         # relation - note that we exclude this relation just in case.
 
-        node_ids = relation.members.select { |m| m[0] == "Node" }.map { |m| m[1] }
-        way_ids = relation.members.select { |m| m[0] == "Way" }.map { |m| m[1] }
-        relation_ids = relation.members.select { |m| m[0] == "Relation" && m[1] != relation.id }.map { |m| m[1] }
+        node_ids = relation.members.select { |m| m[0] == "Node" }.pluck(1)
+        way_ids = relation.members.select { |m| m[0] == "Way" }.pluck(1)
+        relation_ids = relation.members.select { |m| m[0] == "Relation" && m[1] != relation.id }.pluck(1)
 
         # next load the relations and the ways.
 
@@ -88,56 +110,43 @@ module Api
         node_ids += way_node_ids.flatten
         nodes = Node.where(:id => node_ids.uniq).includes(:node_tags)
 
-        # create XML.
-        doc = OSM::API.new.get_xml_doc
         visible_nodes = {}
-        changeset_cache = {}
-        user_display_name_cache = {}
 
+        @nodes = []
         nodes.each do |node|
           next unless node.visible? # should be unnecessary if data is consistent.
 
-          doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
+          @nodes << node
           visible_nodes[node.id] = node
         end
 
+        @ways = []
         ways.each do |way|
           next unless way.visible? # should be unnecessary if data is consistent.
 
-          doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
+          @ways << way
         end
 
+        @relations = []
         relations.each do |rel|
           next unless rel.visible? # should be unnecessary if data is consistent.
 
-          doc.root << rel.to_xml_node(changeset_cache, user_display_name_cache)
+          @relations << rel
         end
 
-        # finally add self and output
-        doc.root << relation.to_xml_node(changeset_cache, user_display_name_cache)
-        render :xml => doc.to_s
+        # finally add self
+        @relations << relation
 
+        # Render the result
+        respond_to do |format|
+          format.xml
+          format.json
+        end
       else
         head :gone
       end
     end
 
-    def index
-      raise OSM::APIBadUserInput, "The parameter relations is required, and must be of the form relations=id[,id[,id...]]" unless params["relations"]
-
-      ids = params["relations"].split(",").collect(&:to_i)
-
-      raise OSM::APIBadUserInput, "No relations were given to search for" if ids.empty?
-
-      doc = OSM::API.new.get_xml_doc
-
-      Relation.find(ids).each do |relation|
-        doc.root << relation.to_xml_node
-      end
-
-      render :xml => doc.to_s
-    end
-
     def relations_for_way
       relations_for_object("Way")
     end
@@ -155,13 +164,17 @@ module Api
     def relations_for_object(objtype)
       relationids = RelationMember.where(:member_type => objtype, :member_id => params[:id]).collect(&:relation_id).uniq
 
-      doc = OSM::API.new.get_xml_doc
+      @relations = []
 
       Relation.find(relationids).each do |relation|
-        doc.root << relation.to_xml_node if relation.visible
+        @relations << relation if relation.visible
       end
 
-      render :xml => doc.to_s
+      # Render the result
+      respond_to do |format|
+        format.xml
+        format.json
+      end
     end
   end
 end