X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/413baecf6b27056cb73e6bb4bedb33de6410c65e..0cc579b2875a1f31d4425cc90378fd8cbf934974:/app/models/old_way.rb

diff --git a/app/models/old_way.rb b/app/models/old_way.rb
index 8b9bf19e6..1552bae04 100644
--- a/app/models/old_way.rb
+++ b/app/models/old_way.rb
@@ -65,24 +65,11 @@ class OldWay < ActiveRecord::Base
   end
 
   def nds
-    unless @nds
-      @nds = Array.new
-      OldWayNode.where(:way_id => self.way_id, :version => self.version).order(:sequence_id).each do |nd|
-        @nds += [nd.node_id]
-      end
-    end
-    @nds
+    @nds ||= self.old_nodes.order(:sequence_id).collect { |n| n.node_id }
   end
 
   def tags
-    unless @tags
-      @tags = Hash.new
-      OldWayTag.where(:way_id => self.way_id, :version => self.version).each do |tag|
-        @tags[tag.k] = tag.v
-      end
-    end
-    @tags = Hash.new unless @tags
-    @tags
+    @tags ||= Hash[self.old_tags.collect { |t| [t.k, t.v] }]
   end
 
   def nds=(s)
@@ -94,24 +81,20 @@ class OldWay < ActiveRecord::Base
   end
 
   def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
-    el1 = XML::Node.new 'way'
-    el1['id'] = self.way_id.to_s
-    add_metadata_to_xml_node(el1, self, changeset_cache, user_display_name_cache)
+    el = XML::Node.new 'way'
+    el['id'] = self.way_id.to_s
+
+    add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
 
     self.old_nodes.each do |nd| # FIXME need to make sure they come back in the right order
-      e = XML::Node.new 'nd'
-      e['ref'] = nd.node_id.to_s
-      el1 << e
+      node_el = XML::Node.new 'nd'
+      node_el['ref'] = nd.node_id.to_s
+      el << node_el
     end
       
-    self.old_tags.each do |tag|
-      e = XML::Node.new 'tag'
-      e['k'] = tag.k
-      e['v'] = tag.v
-      el1 << e
-    end
+    add_tags_to_xml_node(el, self.old_tags)
 
-    return el1
+    return el
   end
 
   # Read full version of old way
@@ -122,12 +105,10 @@ class OldWay < ActiveRecord::Base
   # (i.e. is it visible? are we actually reverting to an earlier version?)
 
   def get_nodes_undelete
-    points = []
-    self.nds.each do |n|
+    self.nds.collect do |n|
       node = Node.find(n)
-      points << [node.lon, node.lat, n, node.version, node.tags_as_hash, node.visible]
+      [node.lon, node.lat, n, node.version, node.tags_as_hash, node.visible]
     end
-    points
   end
   
   def get_nodes_revert(timestamp)