X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/2b7a40069f7af2e72c81f9488411135f286515f9..0ca779e5bd2b53e83331640d21945b9fb06b2c8c:/app/models/node.rb

diff --git a/app/models/node.rb b/app/models/node.rb
index a25a19f70..67efeca2c 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -2,6 +2,7 @@ class Node < ActiveRecord::Base
   require 'xml/libxml'
 
   include GeoRecord
+  include ConsistencyValidations
 
   set_table_name 'current_nodes'
 
@@ -74,20 +75,25 @@ class Node < ActiveRecord::Base
   def self.from_xml_node(pt, create=false)
     node = Node.new
     
-    node.version = pt['version']
     node.lat = pt['lat'].to_f
     node.lon = pt['lon'].to_f
     node.changeset_id = pt['changeset'].to_i
 
     return nil unless node.in_world?
 
+    # version must be present unless creating
+    return nil unless create or not pt['version'].nil?
+    node.version = pt['version'].to_i
+
     unless create
       if pt['id'] != '0'
         node.id = pt['id'].to_i
       end
     end
 
-    node.visible = pt['visible'] and pt['visible'] == 'true'
+    # visible if it says it is, or as the default if the attribute
+    # is missing.
+    node.visible = pt['visible'].nil? or pt['visible'] == 'true'
 
     if create
       node.timestamp = Time.now
@@ -131,14 +137,16 @@ class Node < ActiveRecord::Base
     end
   end
 
-  def delete_with_history(user)
+  # Should probably be renamed delete_from to come in line with update
+  def delete_with_history!(new_node, user)
     if self.visible
+      check_consistency(self, new_node, user)
       if WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id", :conditions => [ "current_ways.visible = 1 AND current_way_nodes.node_id = ?", self.id ])
         raise OSM::APIPreconditionFailedError.new
-      elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='node' and member_id=?", self.id])
+      elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='node' and member_id=? ", self.id])
         raise OSM::APIPreconditionFailedError.new
       else
-        self.user_id = user.id
+        self.changeset_id = new_node.changeset_id
         self.visible = 0
         save_with_history!
       end
@@ -148,15 +156,9 @@ class Node < ActiveRecord::Base
   end
 
   def update_from(new_node, user)
-    if new_node.version != version
-      raise OSM::APIVersionMismatchError.new(new_node.version, version)
-    elsif new_node.changeset.user_id != user.id
-      raise OSM::APIUserChangesetMismatchError.new
-    elsif not new_node.changeset.open?
-      raise OSM::APIChangesetAlreadyClosedError.new
-    end
+    check_consistency(self, new_node, user)
 
-    # FIXME logic need looked at
+    # FIXME logic needs to be double checked
     self.changeset_id = new_node.changeset_id
     self.latitude = new_node.latitude 
     self.longitude = new_node.longitude
@@ -164,6 +166,13 @@ class Node < ActiveRecord::Base
     self.visible = true
     save_with_history!
   end
+  
+  def create_with_history(user)
+    check_create_consistency(self, user)
+    self.version = 0
+    self.visible = true
+    save_with_history!
+  end
 
   def to_xml
     doc = OSM::API.new.get_xml_doc
@@ -223,7 +232,19 @@ class Node < ActiveRecord::Base
 
   def add_tag_key_val(k,v)
     @tags = Hash.new unless @tags
+
+    # duplicate tags are now forbidden, so we can't allow values
+    # in the hash to be overwritten.
+    raise OSM::APIDuplicateTagsError.new if @tags.include? k
+
     @tags[k] = v
   end
 
+  ##
+  # dummy method to make the interfaces of node, way and relation
+  # more consistent.
+  def fix_placeholders!(id_map)
+    # nodes don't refer to anything, so there is nothing to do here
+  end
+
 end