Better error message and test for invalid UTF-8 sequences.

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

diff --git a/app/models/node.rb b/app/models/node.rb
index d6a5143db1c3ec94263ef701177bc25201a28d89..67efeca2c1a471f2e78d3bc9e6b1ef0d7b3244d5 100644 (file)
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -75,20 +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
@@ -133,12 +138,12 @@ class Node < ActiveRecord::Base
   end
 
   # Should probably be renamed delete_from to come in line with update
-  def delete_with_history(new_node, user)
+  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.changeset_id = new_node.changeset_id
@@ -227,7 +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