Module: DbCharmer::ActionControllerExtensions::ClassMethods

Defined in:
lib/db_charmer/action_controller_extensions.rb

Instance Method Summary collapse

Instance Method Details

#force_master_db(*models) ⇒ Object 



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# File 'lib/db_charmer/action_controller_extensions.rb', line 8

def force_master_db(*models)
  models_array = case models
    when String, Symbol
      [models]
    when Array
      models
    when nil
      #use all models
    else
      raise ArgumentError, "You should specify correct list of models"
  end.map { |m| m.to_s.camelize.constantize }

  old_proxies = {}
  append_around_filter do |c,a|
    begin
      models_array.each do |model|
        model.db_charmer_connection_level += 1
        old_proxies[model.object_id] = model.db_charmer_connection_proxy
        model.switch_connection_to(nil, DbCharmer.migration_connections_should_exist?)
      end
      a.call
    ensure
      models_array.each do |model|
        model.switch_connection_to(old_proxies[model.object_id], DbCharmer.migration_connections_should_exist?)
        model.db_charmer_connection_level -= 1
      end
    end
  end
end