X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/e7c550cf3fb13e410f49439e569f603836b3d83e..233a97bfcbee9c82027c049bb8bafac2693ec359:/app/controllers/changeset_controller.rb

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index f91ae09bf..8151d3a67 100644
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -45,26 +45,51 @@ class ChangesetController < ApplicationController
       map { |memb| [memb[0], ids[memb[0]][memb[1].to_i] || memb[1], memb[2]] }
     return r
   end
+  
+  def read
+    begin
+      changeset = Changeset.find(params[:id])
+      render :text => changeset.to_xml.to_s, :content_type => "text/xml"
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    end
+  end
+  
+  def close 
+    begin
+      unless request.put?
+        render :nothing => true, :status => :method_not_allowed
+        return
+      end
+      changeset = Changeset.find(params[:id])
+      changeset.open = false
+      changeset.save!
+      render :nothing => true
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    end
+  end
 
   def upload
-    if not request.put?
+    unless request.put?
       render :nothing => true, :status => :method_not_allowed
       return
     end
 
-    # FIXME: this should really be done without loading the whole XML file
-    # into memory.
-    p = XML::Parser.new
-    p.string  = request.raw_post
-    doc = p.parse
+    p = XML::Reader.new request.raw_post
 
     node_ids, way_ids, rel_ids = {}, {}, {}
     ids = {"node"=>node_ids, "way"=>way_ids, "relation"=>rel_ids}
 
+    models = {"node"=>Node, "way"=>Way, "relation"=>Relation}
+
+    # FIXME shouldn't this be done through the 
+    # res = OSM::API.new.get_xml_doc
+    # as everything else is?
     res = XML::Document.new
     res.encoding = 'UTF-8'
     root = XML::Node.new 'osm'
-    root['version'] = '0.6'
+    root['version'] = API_VERSION
     root['creator'] = 'OpenStreetMap.org'
     res.root = root
 
@@ -72,93 +97,76 @@ class ChangesetController < ApplicationController
       "not a normal OSM file. ")
 
     Changeset.transaction do
-      doc.find('//osm/create/node').each do |nd|
-	elem = XML::Node.new 'node'
-	node = Node.from_xml_node(nd, true)
-	elem['old_id'] = nd['id']
-	create_prim node_ids, node, nd
-	elem['new_id'] = node.id.to_s
-	elem['new_version'] = node.version.to_s
-	root << elem
-      end
-      doc.find('//osm/create/way').each do |nd|
-	elem = XML::Node.new 'way'
-	way = Way.from_xml_node(nd, true)
-	elem['old_id'] = nd['id']
-	fix_way(way, node_ids)
-	raise OSM::APIPreconditionFailedError.new if !way.preconditions_ok?
-	create_prim way_ids, way, nd
-	elem['new_id'] = way.id.to_s
-	elem['new_version'] = way.version.to_s
-	root << elem
-      end
-      doc.find('//osm/create/relation').each do |nd|
-	elem = XML::Node.new 'relation'
-	relation = Relation.from_xml_node(nd, true)
-	elem['old_id'] = nd['id']
-	fix_rel(relation, ids)
-	raise OSM::APIPreconditionFailedError.new if !relation.preconditions_ok?
-	create_prim rel_ids, relation, nd
-	elem['new_id'] = relation.id.to_s
-	elem['new_version'] = relation.version.to_s
-	root << elem
-      end
-
-      doc.find('//osm/modify/relation').each do |nd|
-	elem = XML::Node.new 'relation'
-	new_relation = Relation.from_xml_node(nd)
-	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
-      doc.find('//osm/modify/way').each do |nd|
-	elem = XML::Node.new 'way'
-	new_way = Way.from_xml_node(nd)
-	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
-      end
-      doc.find('//osm/modify/node').each do |nd|
-	elem = XML::Node.new 'node'
-	new_node = Node.from_xml_node(nd)
-	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
-      end
-
-      doc.find('//osm/delete/relation').each do |nd|
-	elem = XML::Node.new 'relation'
-	relation = Relation.find(nd['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
-      doc.find('//osm/delete/way').each do |nd|
-	elem = XML::Node.new 'way'
-	way = Way.find(nd['id'])
-	way.delete_with_relations_and_history(@user)
-	elem['old_id'] = elem['new_id'] = way.id.to_s
-	elem['new_version'] = way.version.to_s
-	root << elem
-      end
-      doc.find('//osm/delete/node').each do |nd|
-	elem = XML::Node.new 'node'
-	new_node = Node.from_xml_node(nd)
-	node = Node.find(nd['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
+      while p.read == 1
+        break if p.node_type == 15 # end element
+        next unless p.node_type == 1 # element
+
+        case p.name
+        when 'create':
+            while p.read == 1
+            break if p.node_type == 15 # end element
+            next unless p.node_type == 1 # element
+
+            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':
+                fix_way(osm, node_ids)
+              raise OSM::APIPreconditionFailedError.new if !osm.preconditions_ok?
+            when 'relation':
+                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
+
+            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
+
+            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
     end
 
     render :text => res.to_s, :content_type => "text/xml"
+
+  rescue OSM::APIError => ex
+    render ex.render_opts
   end
 end