Rails - Jun 2010 - Pass instance variable from one method to another controller

Hi Everybody!

I m back.
I have a non-model form (I am using active_record_no_table gem for
validations). When the user fills that form and submits it, I want to
process the form and then display it back to the user just like the
"show" method in a scaffold.

Now, since this is a non-model form, I need to pass the instance
variable from "create" method to "show" method.

I know that rather than redirecting to show method, I can display data
back to the user using a partial and passing a locals hash to the
partial.
But I don''t want to do this. The reason is there is a link on the
"show"
view that allows the user to print the show view in PDF format and I
want to do the same with the link...passing the local variable to the
show action.

How can I do this?

Please advise?

Many Thanks!
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Rails Learner wrote:
> Hi Everybody!
> 
> I m back.
> I have a non-model form (I am using active_record_no_table gem for
> validations). When the user fills that form and submits it, I want to
> process the form and then display it back to the user just like the
> "show" method in a scaffold.
> 
> Now, since this is a non-model form, I need to pass the instance
> variable from "create" method to "show" method.
> 
> I know that rather than redirecting to show method, I can display data
> back to the user using a partial and passing a locals hash to the
> partial.
> But I don''t want to do this. The reason is there is a link on the
"show"
> view that allows the user to print the show view in PDF format and I
> want to do the same with the link...passing the local variable to the
> show action.
> 
> How can I do this?
> 
Put in a link_to parameter.  Remember that link_to can take more options 
than :controller and :action.
> Please advise?
> 
> Many Thanks!
Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org
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Hi Marnen,

How can I pass the the whole object in link_to?

For instance, if I have a child object with first_name and last_name as 
attributes, then I need to pass the child object as a hash.

Right now, what is working for me is this:
<%= link_to ''Create PDF'', { :controller =>
''children'', :action =>
''show'', :format => :pdf, :first_name =>
@child.first_name, :last_name =>
@child.last_name } %>

And, I want to do something like this (but it''s not working):
<%= link_to ''Create PDF'', { :controller =>
''children'', :action =>
''show'', :format => :pdf, :child => @child } %>
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Rails Learner wrote:
> Hi Marnen,
> 
> How can I pass the the whole object in link_to?
You can''t.
> 
> For instance, if I have a child object with first_name and last_name as 
> attributes, then I need to pass the child object as a hash.
No.  Pass them as two separate parameters (as I guess you''re currently 
doing), munge them together into one string (not recommended), or pass 
an object ID if you can query the DB for it.
> 
> Right now, what is working for me is this:
> <%= link_to ''Create PDF'', { :controller =>
''children'', :action =>
> ''show'', :format => :pdf, :first_name =>
@child.first_name, :last_name =>
> @child.last_name } %>
> 
> And, I want to do something like this (but it''s not working):
> <%= link_to ''Create PDF'', { :controller =>
''children'', :action =>
> ''show'', :format => :pdf, :child => @child } %>
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Hi Marnen,

Thanks for confirming that.
Many Thanks!
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