app/models/cadenero/member.rb in cadenero-0.0.2.b4 vs app/models/cadenero/member.rb in cadenero-0.0.2.b5

@@ -1,8 +1,50 @@
 module Cadenero
   # Defines that a Cadenero::User is member of an Cadenero::V1::Account
   class Member < ActiveRecord::Base
+    attr_accessible :account_id, :user_id
     belongs_to :account,  :class_name => "Cadenero::V1::Account"
     belongs_to :user,  :class_name => "Cadenero::User"
-    # attr_accessible :title, :body
+    after_create :ensure_auth_token!
+
+    # Generate authentication token unless already exists.
+    def ensure_auth_token
+      reset_auth_token if auth_token.blank?
+    end
+
+    # Generate authentication token unless already exists and save the record.
+    def ensure_auth_token!
+      reset_auth_token! if auth_token.blank?
+    end
+
+    # Generate new authentication token (a.k.a. "single access token").
+    def reset_auth_token
+      self.auth_token = self.class.auth_token
+    end
+
+    # Generate new authentication token and save the record.
+    def reset_auth_token!
+      reset_auth_token
+      save(:validate => false)
+    end
+
+    class << self
+      # Generate a token checking if one does not already exist in the database.
+      def auth_token
+        generate_token(:auth_token)
+      end
+
+      protected
+      # Generate a token by looping and ensuring does not already exist.
+      # @param [String] column is the name of the column that has the authentication token
+      # @return {String]} a unique generated auth_token
+      def generate_token(column)
+        loop do
+          token = SecureRandom.base64(15).tr('+/=lIO0', 'pqrsxyz')
+          break token unless Member.where({ column => token }).first
+        end
+      end
+    end
+
   end
+  
 end