Method: ShortStack::Controller#dispatch!

Defined in:
lib/short_stack/controller.rb

#dispatch! ⇒ Object

Dispatches to an action based on the params parameter



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# File 'lib/short_stack/controller.rb', line 84

def dispatch!
  if logger
    logger.info "Request: #{request.path}"
    logger.info "Params: #{params.inspect}"
  end


  # Check that the action is available
  raise Pancake::Errors::NotFound, "No Action Found" unless allowed_action?(action)

  @action_opts  = actions[action]

  negotiate_content_type!(@action_opts.formats, params)

  # Set the layout defaults before the action is rendered
  if layout && stack_class.default_layout
    layout.template_name = stack_class.default_layout
  end

  layout.format = params['format'] if layout

  logger.info "Dispatching to #{action.inspect}" if logger

  result = catch(:halt){ self.send(action) }

  case result
  when Array
    result
  when Rack::Response
    result.finish
  when String
    out = if layout
      layout.content = result
      layout
    else
      result
    end
    Rack::Response.new(out, status, headers).finish
  else
    Rack::Response.new((result || ""), status, headers).finish
  end

rescue Pancake::Errors::HttpError => e
  if logger && log_http_error?(e)
    logger.error "Exception: #{e.message}"
    logger.error e.backtrace.join("\n")
  end
  handle_request_exception(e)
rescue Exception => e
  if Pancake.handle_errors?
    server_error = Pancake::Errors::Server.new(e.message)
    server_error.exceptions << e
    server_error.set_backtrace e.backtrace
  else
    server_error = e
  end
  handle_request_exception(server_error)
end