Add order to Boards

app/models/board.rb

@@ -1,4 +1,14 @@
 class Board < ApplicationRecord
+  after_initialize :set_order_to_last
+
   validates :name, presence: true, uniqueness: true
   validates :description, length: { in: 0..1024 }, allow_nil: true
+
+  def set_order_to_last
+    return unless new_record?
+    return unless order.nil?
+    
+    order_last = Board.maximum(:order) || 0
+    self.order = order_last + 1
+  end
 end

app/models/post_status.rb

@@ -1,4 +1,6 @@
 class PostStatus < ApplicationRecord
+  after_initialize :set_order_to_last
+
   validates :name, presence: true, uniqueness: true
   validates :color, format: { with: /\A#(?:[0-9a-fA-F]{3}){1,2}\z/ }
   validates :order, numericality: { only_integer: true, greater_than: 0 }
@@ -9,4 +11,12 @@ class PostStatus < ApplicationRecord
       .order(order: :asc)
     end
   end
+
+  def set_order_to_last
+    return unless new_record?
+    return unless order.nil?
+    
+    order_last = PostStatus.maximum(:order) || 0
+    self.order = order_last + 1
+  end
 end