X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/e799022131f3e833179e9058060ec5e136ed2edd..2f55a3f0a80974922678d7677902d169b3481693:/app/models/segment.rb

diff --git a/app/models/segment.rb b/app/models/segment.rb
index ddfc3db03..f4909c7d2 100644
--- a/app/models/segment.rb
+++ b/app/models/segment.rb
@@ -4,11 +4,13 @@ class Segment < ActiveRecord::Base
 
   validates_numericality_of :node_a
   validates_numericality_of :node_b
-  # FIXME validate a nd b exist and are visible
 
   has_many :old_segments, :foreign_key => :id
   belongs_to :user
 
+  # using belongs_to :foreign_key = 'node_*', since if use has_one :foreign_key = 'id', segment preconditions? fails checking for segment id in node table
+  belongs_to :from_node, :class_name => 'Node', :foreign_key => 'node_a'
+  belongs_to :to_node, :class_name => 'Node', :foreign_key => 'node_b'
 
   def self.from_xml(xml, create=false)
     p = XML::Parser.new
@@ -80,6 +82,7 @@ class Segment < ActiveRecord::Base
     el1['id'] = self.id.to_s
     el1['from'] = self.node_a.to_s
     el1['to'] = self.node_b.to_s
+    el1['user'] = self.user.display_name if self.user.data_public?
     Segment.split_tags(el1, self.tags)
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema
@@ -102,5 +105,8 @@ class Segment < ActiveRecord::Base
     end
   end
 
+  def preconditions_ok?
+    from_node and from_node.visible and to_node and to_node.visible
+  end
 
 end