Merge pull request #319 from af83/5609_slug_format

Avoid problem with numeric in slug. Refs #5609 

1 files changed, 6 insertions, 2 deletions

diff --git a/app/models/referential.rb b/app/models/referential.rb
index 09c2e7d34..3b770603a 100644
--- a/app/models/referential.rb
+++ b/app/models/referential.rb
@@ -422,8 +422,12 @@ class Referential < ActiveRecord::Base
     end
   end
 
-  def assign_slug
-    self.slug ||= "#{name.parameterize.gsub('-', '_')}_#{Time.now.to_i}" if name
+  def assign_slug(time_reference = Time)
+    self.slug ||= begin
+      prefix = name.parameterize.gsub('-','_').gsub(/[^a-zA-Z_]/,'').gsub(/^_/,'')
+      prefix = "referential" if prefix.blank?
+      "#{prefix}_#{time_reference.now.to_i}"
+    end if name
   end
 
   def assign_prefix