Rails - Jan 2008 - Best way to do redirect_to using multiple controllers?

I''m using the same comment system for two different controllers, so
users post a comment to a game and a post using the same "create"
action
in the comments controller.

I did comments for games first, so my comments create action looks like
this:

  def create
    @comment = Comment.new(params[:comment])
    if @comment.save
      flash[:notice] = "You have successfully added a comment."
      redirect_to :controller => ''games'', :action =>
''show'', :id =>
@comment.game.id
    else
      render :action => ''new''
    end
  end

What''s the best way to tell this action where the comment was posted,
so
the redirect_to sends them back to the correct post or game?

Thanks!
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On Jan 17, 2008, at 8:35 AM, Dave Amos wrote:
> What''s the best way to tell this action where the comment was  
> posted, so
> the redirect_to sends them back to the correct post or game?

One thing you could do is put the destination info in the session,  
then later redirect like this:

redirect_to :action => session[:back_action], :controller =>  
session[:back_controller], :id => session[:back_id]


And of course earlier some other action had done something like this:

     session[:back_action] = "show"
     session[:back_controller] = "games"
     session[:back_id] = @comment.game.id

(untested)

--
-George


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> 
> And of course earlier some other action had done something like this:
> 
>      session[:back_action] = "show"
>      session[:back_controller] = "games"
>      session[:back_id] = @comment.game.id
> 
> (untested)
> 
> --
> -George

Thanks, that''s a good idea. The problem I''m having is that if
I put that
code in my controller, let''s say in the action where the user can
create
the comment, @comment doesn''t exist yet. But it''s a good start
-- I''ll
see what I can figure out.

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Dave Amos wrote:
> 
>> 
>> And of course earlier some other action had done something like this:
>> 
>>      session[:back_action] = "show"
>>      session[:back_controller] = "games"
>>      session[:back_id] = @comment.game.id
>> 
>> (untested)
>> 
>> --
>> -George
> 
> 
> Thanks, that''s a good idea. The problem I''m having is
that if I put that
> code in my controller, let''s say in the action where the user can
create
> the comment, @comment doesn''t exist yet. But it''s a good
start -- I''ll
> see what I can figure out.
You could use a hidden field or (fields) in the forms.

<%= hidden_field_tag ''from_controller'',
''posts'' %>
<%= hidden_field_tag ''from_id'', post_id %>

then in your controller...

redirect_to :controller => params[:from_controller], :action =>
''show'',
:id => params[:from_id]

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> You could use a hidden field or (fields) in the forms.
> 
> <%= hidden_field_tag ''from_controller'',
''posts'' %>
> <%= hidden_field_tag ''from_id'', post_id %>
> 
> then in your controller...
> 
> redirect_to :controller => params[:from_controller], :action =>
''show'',
> :id => params[:from_id]
Yes, that did it. Thanks!
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