Module: StateManager::Adapters::ActiveRecord::ResourceMethods::ClassMethods

Defined in:
lib/state_manager/adapters/active_record.rb

Instance Method Summary collapse

Instance Method Details

#state_manager_added(property, klass, options) ⇒ Object 



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# File 'lib/state_manager/adapters/active_record.rb', line 24

def state_manager_added(property, klass, options)
  class_eval do
    klass.specification.states.keys.each do |state|
      # The connection might not be ready when defining this code is
      # reached so we wrap in a lamda.
      scope state, lambda {
        conn = ::ActiveRecord::Base.connection
        column = conn.quote_column_name klass._state_property
        query = "#{column} = ? OR #{column} LIKE ?"
        like_term = "#{state.to_s}.%"
        where(query, state, like_term)
      }
    end
    
    after_initialize do
      self.state_managers ||= {}
    end
    before_validation do
      validate_states!
    end
    before_save do
      state_managers.values.map(&:before_save)
    end
    
    save_callback = options[:save_callback] && options[:save_callback].to_sym
    if save_callback == :after_commit
      after_commit(:on => :create) { state_managers.values.map(&:after_save) }
      after_commit(:on => :update) { state_managers.values.map(&:after_save) }
    else # defaults to after_save
      after_save { state_managers.values.map(&:after_save) }
    end
  end 
end