class Service < ActiveRecord::Base attr_accessible :provider, :name, :token, :secret, :refresh_token, :expires_at, :global, :options, :uid serialize :options, Hash belongs_to :user, :inverse_of => :services has_many :agents, :inverse_of => :service validates_presence_of :user_id, :provider, :name, :token before_destroy :disable_agents scope :available_to_user, lambda { |user| where("services.user_id = ? or services.global = true", user.id) } scope :by_name, lambda { |dir = 'desc'| order("services.name #{dir}") } def disable_agents(conditions = {}) agents.where.not(conditions[:where_not] || {}).each do |agent| agent.service_id = nil agent.disabled = true agent.save!(validate: false) end end def toggle_availability! disable_agents(where_not: {user_id: self.user_id}) if global self.global = !self.global self.save! end def prepare_request if expires_at && Time.now > expires_at refresh_token! end end def refresh_token! response = HTTParty.post(endpoint, query: { type: 'refresh', client_id: oauth_key, client_secret: oauth_secret, refresh_token: refresh_token }) data = JSON.parse(response.body) update(expires_at: Time.now + data['expires_in'], token: data['access_token'], refresh_token: data['refresh_token'].presence || refresh_token) end def endpoint client_options = "OmniAuth::Strategies::#{OmniAuth::Utils.camelize(self.provider)}".constantize.default_options['client_options'] URI.join(client_options['site'], client_options['token_url']) end def oauth_key (config = Devise.omniauth_configs[provider.to_sym]) && config.args[0] end def oauth_secret (config = Devise.omniauth_configs[provider.to_sym]) && config.args[1] end def self.provider_specific_options(omniauth) case omniauth['provider'].to_sym when :'37signals' { user_id: omniauth['extra']['accounts'][0]['id'], name: omniauth['info']['name'] } else { name: omniauth['info']['nickname'] || omniauth['info']['name'] } end end def self.initialize_or_update_via_omniauth(omniauth) options = provider_specific_options(omniauth) find_or_initialize_by(provider: omniauth['provider'], uid: omniauth['uid'].to_s).tap do |service| service.assign_attributes token: omniauth['credentials']['token'], secret: omniauth['credentials']['secret'], name: options[:name], refresh_token: omniauth['credentials']['refresh_token'], expires_at: omniauth['credentials']['expires_at'] && Time.at(omniauth['credentials']['expires_at']), options: options end end end