Rails - Sep 2007 - Newbie: accessing form parameters in controller action?

Newbie alert!

I am saving a form, and in my save action in the controller, I can do

  logger.info(params)

and see a string in the log like

"commitSaveactionsavecontrollerfoofooattrib1value1attrib2value2..."

which is all of the info from my form, controller (foo), action (save),
model (foo), and attribute values.  It''s all there, but how do I get at
it?

I would like to get at the attribute values (form fields) discretely,
and thought I could do something like

  logger.info(params[:attrib1])

which might return

  value1

But it doesn''t seem to return anything.  Several other newbie attempts
to query params fail too.  What gives?

Sorry to be a dunce.

Tom
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That should work ok. Try this to inspect them easier in your logs:

logger.debug params.inspect

That should help you I think.

Tom Harrison wrote:
> Newbie alert!
>
> I am saving a form, and in my save action in the controller, I can do
>
>   logger.info(params)
>
> and see a string in the log like
>
>
"commitSaveactionsavecontrollerfoofooattrib1value1attrib2value2..."
>
> which is all of the info from my form, controller (foo), action (save),
> model (foo), and attribute values.  It''s all there, but how do I
get at
> it?
>
> I would like to get at the attribute values (form fields) discretely,
> and thought I could do something like
>
>   logger.info(params[:attrib1])
>
> which might return
>
>   value1
>
> But it doesn''t seem to return anything.  Several other newbie
attempts
> to query params fail too.  What gives?
>
> Sorry to be a dunce.
>
> Tom
>   
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Thanks William.

So in a non-contrived case I logger.debug params.inspect returns

{"commit"=>"Add Comment",
"action"=>"save_comment",
"controller"=>"survey",
"survey"=>{"new_comment_body"=>"My Comment",
"survey_id"=>"1",
"new_comment_title"=>"My Title"}}

None of these variants, starting one line later in the same method 
produces anything in the log (perhaps a newline?)

    logger.debug params[:new_comment_title]
    logger.debug "#{params[:new_comment_title]}"
    logger.debug "#{params[''new_comment_title'']}"

I am missing something stupid ... but what?

Thanks --

Dunce Boy Tom

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Tom Harrison wrote:
> So in a non-contrived case I logger.debug params.inspect returns
> 
> {"commit"=>"Add Comment",
"action"=>"save_comment",
> "controller"=>"survey",
"survey"=>{"new_comment_body"=>"My Comment",
> "survey_id"=>"1",
"new_comment_title"=>"My Title"}}
> 
new_comment_title is inside the survery hash: 
params[:survey][:new_comment_title]

Fred
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Here is the deal, the key "new_comment_title" is actually in the hash 
pointed to by "survey" so you would access it like this:

logger.debug params[:survey][:new_comment_title]



Tom Harrison wrote:
> Thanks William.
>
> So in a non-contrived case I logger.debug params.inspect returns
>
> {"commit"=>"Add Comment",
"action"=>"save_comment",
> "controller"=>"survey",
"survey"=>{"new_comment_body"=>"My Comment",
> "survey_id"=>"1",
"new_comment_title"=>"My Title"}}
>
> None of these variants, starting one line later in the same method 
> produces anything in the log (perhaps a newline?)
>
>     logger.debug params[:new_comment_title]
>     logger.debug "#{params[:new_comment_title]}"
>     logger.debug
"#{params[''new_comment_title'']}"
>
> I am missing something stupid ... but what?
>
> Thanks --
>
> Dunce Boy Tom
>
>   
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William Pratt wrote:
> Here is the deal, the key "new_comment_title" is actually in the
hash
> pointed to by "survey" so you would access it like this:
> 
> logger.debug params[:survey][:new_comment_title]
William & Fred --

Aha!  (Doh!)

Thanks.  No, really, thanks.  My wife thanks you, too, since I was 
obsessively trying different things that didn''t work.

Tom
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