add rss_token attribute to user model

app/models/user.rb

@@ -15,6 +15,7 @@ class User < ActiveRecord::Base
   add_authentication_token_field :authentication_token
   add_authentication_token_field :incoming_email_token
+  add_authentication_token_field :rss_token
   default_value_for :admin, false
   default_value_for(:external) { current_application_settings.user_default_external }
@@ -152,7 +153,7 @@ class User < ActiveRecord::Base
   before_validation :set_public_email, if: ->(user) { user.public_email_changed? }
   after_update :update_emails_with_primary_email, if: ->(user) { user.email_changed? }
-  before_save :ensure_authentication_token, :ensure_incoming_email_token
+  before_save :ensure_authentication_token, :ensure_incoming_email_token, :ensure_rss_token
   before_save :ensure_external_user_rights
   after_save :ensure_namespace_correct
   after_initialize :set_projects_limit

config/application.rb

@@ -65,6 +65,7 @@ module Gitlab
       hook
       import_url
       incoming_email_token
+      rss_token
       key
       otp_attempt
       password

db/migrate/20170523091700_add_rss_token_to_users.rb

+class AddRssTokenToUsers < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_column :users, :rss_token, :string
+
+    add_concurrent_index :users, :rss_token
+  end
+
+  def down
+    remove_concurrent_index :users, :rss_token if index_exists? :users, :rss_token
+
+    remove_column :users, :rss_token
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
-ActiveRecord::Schema.define(version: 20170521184006) do
+ActiveRecord::Schema.define(version: 20170523091700) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -1362,6 +1362,7 @@ ActiveRecord::Schema.define(version: 20170521184006) do
     t.date "last_activity_on"
     t.boolean "notified_of_own_activity"
     t.string "preferred_language"
+    t.string "rss_token"
   end
   add_index "users", ["admin"], name: "index_users_on_admin", using: :btree
@@ -1375,6 +1376,7 @@ ActiveRecord::Schema.define(version: 20170521184006) do
   add_index "users", ["name"], name: "index_users_on_name", using: :btree
   add_index "users", ["name"], name: "index_users_on_name_trigram", using: :gin, opclasses: {"name"=>"gin_trgm_ops"}
   add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
+  add_index "users", ["rss_token"], name: "index_users_on_rss_token", using: :btree
   add_index "users", ["state"], name: "index_users_on_state", using: :btree
   add_index "users", ["username"], name: "index_users_on_username", using: :btree
   add_index "users", ["username"], name: "index_users_on_username_trigram", using: :gin, opclasses: {"username"=>"gin_trgm_ops"}

spec/models/user_spec.rb

@@ -440,6 +440,13 @@ describe User, models: true do
     end
   end
+  describe 'rss token' do
+    it 'has rss token' do
+      user = create(:user)
+      expect(user.rss_token).not_to be_blank
+    end
+  end
+
   describe '#recently_sent_password_reset?' do
     it 'is false when reset_password_sent_at is nil' do
       user = build_stubbed(:user, reset_password_sent_at: nil)