Rails - Jan 2007 - Agile Web Development with Rails - Chapter 8, Task C, Error

I am currently in Chapter 8, Task C, Cart Creations.  On pages 110 and
111, it shows modifications needed to be made to the following files:

app/controllers/store_controller.rb
app/views/store/add_to_cart.rhtml
app/models/cart.rb

When I make the changes and refresh my browser, I get an error message,
"No method error in store#add_to_cart".  I have defined the
total_price
method in my cart.rb file, so I fail to see where the error about there
not being a method entitled total_price comes up at.  Has anyone else
had this trouble?

Help is appreciated.

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Hi, could you tell me the following:

Windows XP?  Mac OS X?
Ruby Version?
Rails Version?

-Conrad

On 1/2/07, Kenny Mr
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> I am currently in Chapter 8, Task C, Cart Creations.  On pages 110 and
> 111, it shows modifications needed to be made to the following files:
>
> app/controllers/store_controller.rb
> app/views/store/add_to_cart.rhtml
> app/models/cart.rb
>
> When I make the changes and refresh my browser, I get an error message,
> "No method error in store#add_to_cart".  I have defined the
total_price
> method in my cart.rb file, so I fail to see where the error about there
> not being a method entitled total_price comes up at.  Has anyone else
> had this trouble?
>
> Help is appreciated.
>
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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Hi Kenny, you can also try comparing your code with the code download
for your version of the AWDwR.

Good luck,

-Conrad

On 1/2/07, Conrad Taylor
<conradwt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi, could you tell me the following:
>
> Windows XP?  Mac OS X?
> Ruby Version?
> Rails Version?
>
> -Conrad
>
> On 1/2/07, Kenny Mr
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
> >
> > I am currently in Chapter 8, Task C, Cart Creations.  On pages 110 and
> > 111, it shows modifications needed to be made to the following files:
> >
> > app/controllers/store_controller.rb
> > app/views/store/add_to_cart.rhtml
> > app/models/cart.rb
> >
> > When I make the changes and refresh my browser, I get an error
message,
> > "No method error in store#add_to_cart".  I have defined the
total_price
> > method in my cart.rb file, so I fail to see where the error about
there
> > not being a method entitled total_price comes up at.  Has anyone else
> > had this trouble?
> >
> > Help is appreciated.
> >
> > --
> > Posted via http://www.ruby-forum.com/.
> >
> > > >
> >
>
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Kenny Mr wrote:
> I am currently in Chapter 8, Task C, Cart Creations.  On pages 110 and
> 111, it shows modifications needed to be made to the following files:
> 
> app/controllers/store_controller.rb
> app/views/store/add_to_cart.rhtml
> app/models/cart.rb
> 
> When I make the changes and refresh my browser, I get an error message,
> "No method error in store#add_to_cart".  I have defined the
total_price
> method in my cart.rb file, so I fail to see where the error about there
> not being a method entitled total_price comes up at.  Has anyone else
> had this trouble?
> 
> Help is appreciated.
Could you please post the full error message ?


Alan

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Conrad Taylor wrote:
> Hi Kenny, you can also try comparing your code with the code download
> for your version of the AWDwR.
> 
> Good luck,
> 
> -Conrad
Thanks.  Tried this.  Even tried overwriting the code based on what was 
in specific "depot" files.  Still didn''t work.

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On Jan 3, 2007, at 7:56 AM, Kenny Mr wrote:
> Thanks.  Tried this.  Even tried overwriting the code based on what  
> was in specific "depot" files.  Still didn''t work.

Did you clear out the session and restart the application?

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Kenny Mr wrote:
> I am currently in Chapter 8, Task C, Cart Creations.  On pages 110 and
> 111, it shows modifications needed to be made to the following files:
>
> app/controllers/store_controller.rb
> app/views/store/add_to_cart.rhtml
> app/models/cart.rb
>
> When I make the changes and refresh my browser, I get an error message,
> "No method error in store#add_to_cart".  I have defined the
total_price
> method in my cart.rb file, so I fail to see where the error about there
> not being a method entitled total_price comes up at.  Has anyone else
> had this trouble?
>
> Help is appreciated.
If you read further down 111 you will see that he shows that error to
be expected.  He then shows you the importance of paying attention to
session data.  To clear the error you are to run:
rake db:session:clear


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l...-MMYp1bZq/KasTnJN9+BGXg@public.gmane.org wrote:
> Kenny Mr wrote:
> rake db:session:clear
typo, should be sessions not session:
rake db:sessions:clear


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Conrad Taylor wrote:
> Hi, could you tell me the following:
> 
> Windows XP?  Mac OS X?
> Ruby Version?
> Rails Version?
> 
> -Conrad
Windows XP - Home Edition
Ruby 1.8.5
Rails 1.1.6

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Dave Thomas wrote:
> On Jan 3, 2007, at 7:56 AM, Kenny Mr wrote:
> 
>> Thanks.  Tried this.  Even tried overwriting the code based on what  
>> was in specific "depot" files.  Still didn''t work.
> 
> 
> Did you clear out the session and restart the application?
No.  At this point, I was at the end of the chapter.  It was Iteration 
C4, Finishing the Cart.  Just updated the files as the book stated, then 
launched Webrick and refreshed my browser.

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Kenny Mr wrote:
> Dave Thomas wrote:
>> On Jan 3, 2007, at 7:56 AM, Kenny Mr wrote:
>> 
>>> Thanks.  Tried this.  Even tried overwriting the code based on what
>>> was in specific "depot" files.  Still didn''t
work.
>> 
>> 
>> Did you clear out the session and restart the application?
> 
> No.  At this point, I was at the end of the chapter.  It was Iteration 
> C4, Finishing the Cart.  Just updated the files as the book stated, then 
> launched Webrick and refreshed my browser.
def total_price
    @total_price = 0
    @items.each { |item| @total_price += item.price }
    @total_price
end

Was able to track this down just a little earlier.  I made these changes 
in cart.rb in app/models.  Finally was able to display it correctly.

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