On 10 Oct 2008, at 12:13, Jay Pangmi wrote:
> > Frederick Cheung wrote: >> On Oct 10, 11:46�am, Jay Pangmi <[EMAIL PROTECTED]> > >> The same as retrieving any other value from the sesion (ie >> session[:cart]) >> >> Fred > > Actually, params[:cart] is derived from <%form_for :cart ...%> Inside > this, there are textfields corresponding to "carts" table and hence I > could save the values in the form and I'm doing this way: > > CONTROLLER: > def add_to_cart > @cart_items=[] > @cart=find_cart(params[:cart]) > if @cart.save > @cart_items << @cart > else > flash[:notice]="Details couldn't be saved" > end > end > > private > > def find_cart(cartobj) > session[:cart] ||= Cart.new(cartobj) > end > > I'm using @cart_items array just because I couldn't iterate through > the > @cart to list all the entered details in the add_to_cart.rhtml as: > This doesn't seem to make any sense. For example the @cart_items array will only ever contain 1 item, you are storing the whole cart object in the session (what's the point of storing it in the database and the session ?) > VIEW: > <h1>Your details:</h1> > <ul> > <%for item in @cart_items%> > <li><%=item.campsite%></li> > <li><%=item.arrival_date%></li> > <li><%=item.nights%></li> > <li><%=item.parents%></li> > <li><%=item.children%></li> > <li><%=item.family_claim%></li> > <%end%> > </ul> > <%=button_to "Empty cart", :action => :empty_cart%> > > So, now when I click the "add to cart" button in the view everything > gets added to the "carts" table and I'm taken to add_to_cart.rhtml > with > the list of details. Now in this case how can i empty it when > empty_cart > action is triggered for this specific session? > Actually if you check your code you'll find that beyond the first time you call add_to_cart it won't actually do anything. Is you cart object actually an item in a cart (rather than the container, as the name usually implies) ? Fred > thanks fred. > -- > 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 [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
