Ruby on Rails

On 18 September 2014 21:52, Paolo Di Pietro <paolodi...@gmail.com> wrote:

The direction seems to be right, so I created

1) the route

    get ':part1/(:part2/(:part3))' =>'factory#demo'

2) the factory controller

Then I add the following line to my .erb

<%= link_to "some text", factory/demo/user/9 ) %>

The error message says there is an unexpected ')'  Perhaps that means there is a ')' that is unexpected.

Colin

 

but it returns the following error:

Completed 500 Internal Server Error in 45ms

SyntaxError (/home/pdipietro/gsn/app/views/identity_providers/index.html.erb:33: syntax error, unexpected ')', expecting keyword_end
... text", factory/demo/user/9 ) );@output_buffer.safe_append='
...                               ^):
  app/views/identity_providers/index.html.erb:33: syntax error, unexpected ')', expecting keyword_end

Any further suggestion?

Paolo



Il giorno giovedì 18 settembre 2014 22:28:53 UTC+2, Jarmo Isotalo ha scritto:

Im not sure if I get what exactly you are trying to accomplish, but:

with route

get ':part1/(:part2/(:part3))' =>'demo#demo'

And controller

class DemoController < ApplicationController
  def demo
    render plain: params.inspect
  end
end

 

And thus /foo, /foo/bar and /foo/bar/baz will use DemoController#demo and :part1 :part2 and :part3 can be accessed from params hash

# And just a snippet from http://guides.rubyonrails.org/routing.html#bound-parameters

3.1 Bound Parameters

When you set up a regular route, you supply a series of symbols that Rails maps to parts of an incoming HTTP request. Two of these symbols are special: :controller maps to the name of a controller in your application, and :action maps to the name of an action within that controller. For example, consider this route:

get ':controller(/:action(/:id))'

If an incoming request of /photos/show/1 is processed by this route (because it hasn't matched any previous route in the file), then the result will be to invoke the show action of the PhotosController, and to make the final parameter "1" available as params[:id]. This route will also route the incoming request of /photos to PhotosController#index, since :actionand :id are optional parameters, denoted by parentheses.

On Thursday, September 18, 2014 10:02:27 PM UTC+2, Paolo Di Pietro wrote:

No, I still cannot do it.

I cannot use Hobo because I'm using Neo4j NoSql db, which doesn't run with Hobo.

I just would like to set up an abstract route redirecting everything to my AbstractController!

Il giorno martedì 16 settembre 2014 10:37:11 UTC+2, Jarmo Isotalo ha scritto:

Cant you do it already?

On Monday, September 15, 2014 6:34:46 PM UTC+2, Paolo Di Pietro wrote:

Hi all,

I'd like to implement (Rails 4)  a very high level (generic) abstract controller, able to manage any route and then create a viewer on the fly.

I'd like to call it 'abstracts', and being able to call as

:abstract(/:subject(/:action(/:id)))

something like

abstract/user/create
or
abstract/identity/:john/edit

I'm not sure on the best way to define the correct route, and how to generate the model and the view code on the fly, after getting the definition in the controller from the DB.

Any suggestion is appreciated.

Paolo

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