add app_id and auth_token to employee

app/models/employee.rb

@@ -1,5 +1,6 @@
 class Employee < ApplicationRecord
   has_secure_password
+  # has_secure_token :auth_token
   has_many :commissioners
   has_many :shit_sales
   has_one  :current_shift, -> { where.not(shift_started_at: nil).where(shift_closed_at: nil) },class_name: "ShiftSale"
@@ -11,6 +12,7 @@ class Employee < ApplicationRecord
   validates :emp_id, uniqueness: true, numericality: true, length: {in: 1..4}, allow_blank: true
   validates :password, numericality: true, length: {in: 3..9}, allow_blank: true
 
+  before_create :generate_app_id, :generate_auth_token #, if: Proc.new { self.role == "app" }
   # Employee Image Uploader
   mount_uploader :image_path, EmployeeImageUploader
 
@@ -89,4 +91,14 @@ class Employee < ApplicationRecord
 
     return expiry_time
   end
+
+  def generate_app_id 
+    return if self.role != 'app'
+    self.app_id = SecureRandom.urlsafe_base64(nil, false)
+  end
+
+  def generate_auth_token
+    return if self.role != 'app'
+    self.auth_token = SecureRandom.hex(10)
+  end
 end