canvas-lms/lib/account_services.rb

#
# Copyright (C) 2015 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.

module AccountServices
  class AllowedServicesHash < Hash
    def _dump(*args); ''; end
    def self._load(*args); nil; end
  end

  def self.allowable_services
    AllowedServicesHash.new.merge({
        :google_drive => {
            :name => I18n.t("Google Drive"),
            :description => "",
            :expose_to_ui => :service,
            :expose_to_ui_proc => proc { !!GoogleDrive::Connection.config }
        },
        :google_docs_previews => {
            :name => I18n.t("Google Docs Preview"),
            :description => "",
            :expose_to_ui => :service
        },
        :skype => {
            :name => I18n.t("Skype"),
            :description => "",
            :expose_to_ui => :service
        },
        :twitter => {
            :name => I18n.t("Twitter"),
            :description => "",
            :expose_to_ui => :service,
            :expose_to_ui_proc => proc { !!Twitter::Connection.config }
        },
        :delicious => {
            :name => I18n.t("Delicious"),
            :description => "",
            :expose_to_ui => :service
        },
        :diigo => {
            :name => I18n.t("Diigo"),
            :description => "",
            :expose_to_ui => :service,
            :expose_to_ui_proc => proc { !!Diigo::Connection.config }
        },
        # TODO: move avatars to :settings hash, it makes more sense there
        # In the meantime, we leave it as a service but expose it in the
        # "Features" (settings) portion of the account admin UI
        :avatars => {
            :name => I18n.t("User Avatars"),
            :description => "",
            :default => false,
            :expose_to_ui => :setting
        },
        :account_survey_notifications => {
            :name => I18n.t("Account Surveys"),
            :description => "",
            :default => false,
            :expose_to_ui => :setting,
            :expose_to_ui_proc => proc do |user, account|
              user && account && account.grants_right?(user, :manage_site_settings)
            end
        },
    }).merge(@plugin_services || {}).freeze
  end

  def self.register_service(service_name, info_hash)
    @plugin_services ||= {}
    @plugin_services[service_name.to_sym] = info_hash.freeze
  end

  def self.default_allowable_services
    res = self.allowable_services.dup
    res.reject! {|_, info| info[:default] == false }
    res
  end
end