1 files changed, 16 insertions, 0 deletions
diff --git a/app/models/phone_number_range.rb b/app/models/phone_number_range.rb
new file mode 100644
index 0000000..2fdd9b6
--- /dev/null
+++ b/app/models/phone_number_range.rb
@@ -0,0 +1,16 @@
+class PhoneNumberRange < ActiveRecord::Base
+  attr_accessible :name, :description
+
+  has_many :phone_numbers, :as => :phone_numberable, :dependent => :destroy
+  belongs_to :phone_number_rangeable, :polymorphic => true
+  
+  validates_presence_of :name
+  validates_uniqueness_of :name, :scope => [:phone_number_rangeable_id, :phone_number_rangeable_type]
+  validates_inclusion_of :name, :in => [INTERNAL_EXTENSIONS, DIRECT_INWARD_DIALING_NUMBERS, SERVICE_NUMBERS]
+  validates_presence_of :phone_number_rangeable_id
+  validates_presence_of :phone_number_rangeable
+  
+  def to_s
+    name
+  end
+end