changing the belongs_to and has_many items in the models to reflect the new foriegn keys in the db and the fact that a (old)node/way/relation now belong to a changeset, which in turn has a user.

app/models/changeset.rb

@@ -5,6 +5,13 @@ class Changeset < ActiveRecord::Base
 
   has_many :changeset_tags, :foreign_key => 'id'
   
+  has_many :nodes
+  has_many :ways
+  has_many :relations
+  has_many :old_nodes
+  has_many :old_ways
+  has_many :old_relations
+
   def self.from_xml(xml, create=false)
     begin
       p = XML::Parser.new

app/models/node.rb

@@ -10,7 +10,7 @@ class Node < ActiveRecord::Base
   validates_numericality_of :latitude, :longitude
   validate :validate_position
 
-  belongs_to :user
+  belongs_to :changeset
 
   has_many :old_nodes, :foreign_key => :id
 

app/models/old_node.rb

@@ -8,7 +8,7 @@ class OldNode < ActiveRecord::Base
   validates_numericality_of :latitude, :longitude
   validate :validate_position
 
-  belongs_to :user
+  belongs_to :changeset
  
   def validate_position
     errors.add_to_base("Node is not in the world") unless in_world?

app/models/old_relation.rb

@@ -1,7 +1,7 @@
 class OldRelation < ActiveRecord::Base
   set_table_name 'relations'
 
-  belongs_to :user
+  belongs_to :changeset
 
   def self.from_relation(relation)
     old_relation = OldRelation.new

app/models/old_way.rb

@@ -1,7 +1,7 @@
 class OldWay < ActiveRecord::Base
   set_table_name 'ways'
 
-  belongs_to :user
+  belongs_to :changeset
 
   def self.from_way(way)
     old_way = OldWay.new

app/models/relation.rb

@@ -3,7 +3,7 @@ class Relation < ActiveRecord::Base
   
   set_table_name 'current_relations'
 
-  belongs_to :user
+  belongs_to :changeset
 
   has_many :old_relations, :foreign_key => 'id', :order => 'version'
 

app/models/way.rb

@@ -3,7 +3,7 @@ class Way < ActiveRecord::Base
 
   set_table_name 'current_ways'
 
-  belongs_to :user
+  belongs_to :changeset
 
   has_many :old_ways, :foreign_key => 'id', :order => 'version'