api06: simplify diff uploading.
[rails.git] / app / controllers / changeset_controller.rb
index ec5ef83b0372ac43d24d93424d424a4594d44869..55e17eee2980be110414f2d75c18f86b0ade815a 100644 (file)
@@ -81,6 +81,8 @@ class ChangesetController < ApplicationController
     node_ids, way_ids, rel_ids = {}, {}, {}
     ids = {"node"=>node_ids, "way"=>way_ids, "relation"=>rel_ids}
 
+    models = {"node"=>Node, "way"=>Way, "relation"=>Relation}
+
     res = XML::Document.new
     res.encoding = 'UTF-8'
     root = XML::Node.new 'osm'
@@ -93,106 +95,69 @@ class ChangesetController < ApplicationController
 
     Changeset.transaction do
       while p.read == 1
+       puts p.name
        break if p.node_type == 15 # end element
        next unless p.node_type == 1 # element
 
        case p.name
        when 'create':
          while p.read == 1
+           puts "#{p.name} #{p.node_type}"
            break if p.node_type == 15 # end element
            next unless p.node_type == 1 # element
 
-           case p.name
-           when 'node':
-             elem = XML::Node.new 'node'
-             node = Node.from_xml_node(p.expand, true)
-             elem['old_id'] = p.expand['id']
-             create_prim node_ids, node, p.expand
-             elem['new_id'] = node.id.to_s
-             elem['new_version'] = node.version.to_s
-             root << elem
+           model = models[p.name]
+           next if model.nil?
+
+           elem = XML::Node.new p.name
+           nd = p.expand; p.next
+           osm = model.from_xml_node(nd, true)
+           elem['old_id'] = nd['id']
+
+           case nd.name
            when 'way':
-             elem = XML::Node.new 'way'
-             way = Way.from_xml_node(p.expand, true)
-             elem['old_id'] = p.expand['id']
-             fix_way(way, node_ids)
-             raise OSM::APIPreconditionFailedError.new if !way.preconditions_ok?
-             create_prim way_ids, way, p.expand
-             elem['new_id'] = way.id.to_s
-             elem['new_version'] = way.version.to_s
-             root << elem
+             fix_way(osm, node_ids)
+             raise OSM::APIPreconditionFailedError.new if !osm.preconditions_ok?
            when 'relation':
-             elem = XML::Node.new 'relation'
-             relation = Relation.from_xml_node(p.expand, true)
-             elem['old_id'] = p.expand['id']
-             fix_rel(relation, ids)
-             raise OSM::APIPreconditionFailedError.new if !relation.preconditions_ok?
-             create_prim rel_ids, relation, p.expand
-             elem['new_id'] = relation.id.to_s
-             elem['new_version'] = relation.version.to_s
-             root << elem
+             fix_rel(osm, ids)
+             raise OSM::APIPreconditionFailedError.new if !osm.preconditions_ok?
            end
+
+           create_prim ids[nd.name], osm, nd
+           elem['new_id'] = osm.id.to_s
+           elem['new_version'] = osm.version.to_s
+           root << elem
          end
        when 'modify':
          while p.read == 1
            break if p.node_type == 15 # end element
            next unless p.node_type == 1 # element
 
-           case p.name
-           when 'node':
-             elem = XML::Node.new 'node'
-             new_node = Node.from_xml_node(p.expand)
-             node = Node.find(new_node.id)
-             node.update_from new_node, @user
-             elem['old_id'] = elem['new_id'] = node.id.to_s
-             elem['new_version'] = node.version.to_s
-             root << elem
-           when 'way':
-             elem = XML::Node.new 'way'
-             new_way = Way.from_xml_node(p.expand)
-             way = Way.find(new_way.id)
-             way.update_from new_way, @user
-             elem['old_id'] = elem['new_id'] = way.id.to_s
-             elem['new_version'] = way.version.to_s
-             root << elem
-           when 'relation':
-             elem = XML::Node.new 'relation'
-             new_relation = Relation.from_xml_node(p.expand)
-             relation = Relation.find(new_relation.id)
-             relation.update_from new_relation, @user
-             elem['old_id'] = elem['new_id'] = relation.id.to_s
-             elem['new_version'] = relation.version.to_s
-             root << elem
-           end
+           model = models[p.name]
+           next if model.nil?
+
+           elem = XML::Node.new p.name
+           new_osm = model.from_xml_node(p.expand); p.next
+           osm = model.find(new_osm.id)
+           osm.update_from new_osm, @user
+           elem['old_id'] = elem['new_id'] = osm.id.to_s
+           elem['new_version'] = osm.version.to_s
+           root << elem
          end
        when 'delete':
          while p.read == 1
            break if p.node_type == 15 # end element
            next unless p.node_type == 1 # element
 
-           case p.name
-           when 'node':
-             elem = XML::Node.new 'node'
-             node = Node.find(p.expand['id'])
-             node.delete_with_history(@user)
-             elem['old_id'] = elem['new_id'] = node.id.to_s
-             elem['new_version'] = node.version.to_s
-             root << elem
-           when 'way':
-             elem = XML::Node.new 'way'
-             way = Way.find(p.expand['id'])
-             way.delete_with_history(@user)
-             elem['old_id'] = elem['new_id'] = way.id.to_s
-             elem['new_version'] = way.version.to_s
-             root << elem
-           when 'relation':
-             elem = XML::Node.new 'relation'
-             relation = Relation.find(p.expand['id'])
-             relation.delete_with_history(@user)
-             elem['old_id'] = elem['new_id'] = relation.id.to_s
-             elem['new_version'] = relation.version.to_s
-             root << elem
-           end
+           model = models[p.name]
+           next if model.nil?
+
+           elem = XML::Node.new p.name
+           osm = model.find(p.expand['id']); p.next
+           osm.delete_with_history(@user)
+           elem['old_id'] = elem['new_id'] = osm.id.to_s
+           elem['new_version'] = osm.version.to_s
+           root << elem
          end
        end
       end