api06: simplify exception handling and add exception handling to the diff

[rails.git] / app / models / old_node.rb

diff --git a/app/models/old_node.rb b/app/models/old_node.rb
index 2c3e93b2075fc5de263923694f50221123734ec1..a3650173a6e5dfdaf3146eefe41b2a3adb0514e3 100644 (file)
--- a/app/models/old_node.rb
+++ b/app/models/old_node.rb
@@ -27,8 +27,15 @@ class OldNode < GeoRecord
     old_node.timestamp = node.timestamp
     old_node.user_id = node.user_id
     old_node.id = node.id
+    old_node.version = node.version
     return old_node
   end
+  
+  def to_xml
+    doc = OSM::API.new.get_xml_doc
+    doc.root << to_xml_node()
+    return doc
+  end
 
   def to_xml_node
     el1 = XML::Node.new 'node'
@@ -37,7 +44,7 @@ class OldNode < GeoRecord
     el1['lon'] = self.lon.to_s
     el1['user'] = self.user.display_name if self.user.data_public?
 
-    Tags.split(self.tags) do |k,v|
+    self.tags.each do |k,v|
       el2 = XML::Node.new('tag')
       el2['k'] = k.to_s
       el2['v'] = v.to_s
@@ -46,6 +53,41 @@ class OldNode < GeoRecord
 
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema
+    el1['version'] = self.version.to_s
     return el1
   end
+
+  def save_with_dependencies!
+    save!
+    #not sure whats going on here
+    clear_aggregation_cache
+    clear_association_cache
+    #ok from here
+    @attributes.update(OldNode.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp]).instance_variable_get('@attributes'))
+   
+    self.tags.each do |k,v|
+      tag = OldNodeTag.new
+      tag.k = k
+      tag.v = v
+      tag.id = self.id
+      tag.version = self.version
+      tag.save!
+    end
+  end
+
+  def tags
+    unless @tags
+        @tags = Hash.new
+        OldNodeTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |tag|
+            @tags[tag.k] = tag.v
+        end
+    end
+    @tags = Hash.new unless @tags
+    @tags
+  end
+
+  def tags=(t)
+    @tags = t 
+  end 
+
 end