Hi
I''ve had this problem before, but the previous solution isn''t
working so
I believe I''m just missing something in the ''chain''
mentioned in the
subject.
Nutshell summary: I''m removing items from a cart and I have an rjs
defined to ''shake'' my cart when something is removed. The
shake happens
but the refresh of the cart doesn''t. If I manually hit refresh in my
browser the page is redrawn and the totals in the cart are correct.
Some ''snipped'' code from my flow.
The index.page (button invoking the AJAX call)
<% form_remote_tag :url => { :action => :remove_from_cart, :id =>
product } do %>
<%= submit_tag "Remove from Cart" %>
<% end %>
Controller called...
def remove_from_cart
begin
product = Product.find( params[:id])
rescue ActiveRecord::RecordNotFound
# stuff here...
else
@cart = find_cart
@current_item = @cart.remove_product(product)
end
# I have tried with this removed (letting the remove_from_cart.rjs
be called automatically)
redirect_to_index
end
Model code...
def remove_product( product )
current_item = @items.find { |item| item.product == product }
if current_item
current_item.decrease_quantity
@items.delete(current_item) if current_item.quantity <= 0
current_item
else
product
end
end
Lastly the remove_from_cart.rjs
page[:cart].visual_effect :shake
As mentioned, I just am not grasping when the actual CART is being
refreshed, or what FIRE the refresh.
Thanks.
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> > Lastly the remove_from_cart.rjs > > page[:cart].visual_effect :shake > > > > As mentioned, I just am not grasping when the actual CART is being > refreshed, or what FIRE the refresh. > > Thanks.you need to update the html itself of the cart. the updating of the cart takes place perfectly, but you need to transfer the new details back. (via rjs/AJAX of course): page[:cart].visual_effect :shake # HERE you need to add the new details of the cart # ((should replace the more updated cart details:)) page.replace_html ''cart'', :partial => ''cart'' # or whatever you call the partial that renders the cart details hth, shai -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
> Model code... > > def remove_product( product ) > current_item = @items.find { |item| item.product == product } > if current_item > current_item.decrease_quantity > @items.delete(current_item) if current_item.quantity <= 0 > current_item > else > product > end > endThe answer of Shai its ok. And I have to add that if you are storing model objects directly in the session you can have troubles... better store only the ids. Because if you have made changes in the model some day and deployed it to production..., all the model objects in the sessions at this time are out of date... think about it -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
Moises Deniz wrote:>> Model code... >> >> def remove_product( product ) >> current_item = @items.find { |item| item.product == product } >> if current_item >> current_item.decrease_quantity >> @items.delete(current_item) if current_item.quantity <= 0 >> current_item >> else >> product >> end >> end > > The answer of Shai its ok. > And I have to add that if you are storing model objects directly in the > session you can have troubles... better store only the ids. Because if > you have made changes in the model some day and deployed it to > production..., all the model objects in the sessions at this time are > out of date... think about itDoes the order in which an AJAX call appears effect when it''s fired (in the RJS?). I understood (maybe wrongfully) that the code in the RJS is a definition only, if that''s true when is the call actually fired? (sort of answering my own question..) it could be a button, link or something similar but how would a ''refresh'' of my cart be fired off? Thanks. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
On Jul 3, 10:12 am, Jean Nibee <rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:> I understood (maybe wrongfully) that the code in the RJS is a definition > only, if that''s true when is the call actually fired? > > (sort of answering my own question..) it could be a button, link or > something similar but how would a ''refresh'' of my cart be fired off?It took me a little while to wrap my head around this too, but the RJS is translated to Javascript automatically for you, returned to the browser, and then executed in the browser - and all this happens asynchronously with regards to user actions in the browser. Now, what makes everything fire off to begin with, is just as you said - a button, link, or internal timer (like with periodically_call_remote). Getting back to your original problem - what happens if you comment out the shake effect, and only do the div replacement with your partial. Does the cart update correctly? Jeff softiesonrails.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
Jeff Cohen wrote:> On Jul 3, 10:12 am, Jean Nibee <rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> > wrote: >> I understood (maybe wrongfully) that the code in the RJS is a definition >> only, if that''s true when is the call actually fired? >> >> (sort of answering my own question..) it could be a button, link or >> something similar but how would a ''refresh'' of my cart be fired off? > > It took me a little while to wrap my head around this too, but the RJS > is translated to Javascript automatically for you, returned to the > browser, and then executed in the browser - and all this happens > asynchronously with regards to user actions in the browser. > > Now, what makes everything fire off to begin with, is just as you said > - a button, link, or internal timer (like with > periodically_call_remote). > > Getting back to your original problem - what happens if you comment > out the shake effect, and only do the div replacement with your > partial. Does the cart update correctly? > > Jeff > softiesonrails.comThanks so much for the ''under the hood'' details info like this REALLY clarifies what happens to me. The problem I had was I actually wasn''t refreshing the DIV (Using page.replace_html) for the cart in the remove_from_cart.rjs template (doh!). That''s all fixed, and now I have another thread with more of my issues. lol. Namely calling a method_a that called method_b and rendering the rjs in method_b NOT method_a. I''m not having much luck. ;) It''s the thread entitles "Method chaining and RJS templates" All in all, I am LOVING this framework, I find coding fun again after about 7 years of Java and it''s various technologies. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---