series_statement.rb in enju_biblio-0.1.2

- old
+ new

@@ -2,10 +2,11 @@
   has_many :series_statement_merges, dependent: :destroy
   has_many :series_statement_merge_lists, through: :series_statement_merges
   belongs_to :manifestation, touch: true
   belongs_to :root_manifestation, foreign_key: :root_manifestation_id, class_name: 'Manifestation', touch: true
   validates_presence_of :original_title
+  validates :root_manifestation_id, uniqueness: true, allow_nil: true
   before_save :create_root_series_statement
 
   acts_as_list
   searchable do
     text :title do
@@ -28,10 +29,10 @@
       title_transcription
     ]
   end
 
   def create_root_series_statement
-    if series_master? && root_manifestation.nil?
+    if series_master?
       self.root_manifestation = manifestation
     else
       self.root_manifestation = nil
     end
   end