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
        table = conn.quote_table_name table_name
        column = conn.quote_column_name klass._state_property
        namespaced_col = "#{table}.#{column}"
        query = "#{namespaced_col} = ? OR #{namespaced_col} 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

    # Callback hooks
    after_commit(:on => :create) { state_managers.values.map(&:after_commit) }
    after_commit(:on => :update) { state_managers.values.map(&:after_commit) }
    before_save { state_managers.values.map(&:before_save) }
    after_save { state_managers.values.map(&:after_save) }
  end 
end