user press 'button pill' - web2py.js does ajax request with URL =
('cart_callback', ...) and writes response to html element with id =
target = 'items%s'%p.id
On Tuesday, July 2, 2019 at 3:35:03 PM UTC+3, mostwanted wrote:
>
> Can anyone please explain to me in lay-man terms how the code below works!
> It is a function for adding items to the shopping cart. I am trying to
> use the same concept to have customers add item sizes as well as they add
> the items to the cart but i am missing something!
>
> *VIEW*
> <br />
> <span id="{{='item%s'%p.id}}" style="font-weight: bold; color: red;">
> {{=session.cart.get(p.id,0)}}</span> in cart - {{=A('add to
> cart',callback=URL('cart_callback',vars=dict(id=p.id
> ,action='add')),target='item%s'%p.id,_class='button pill')}}
> <br />
>
> *CART VIEW*
> </td></tr>
> {{for id, qty in cart.items():}}{{p=db.product(id)}}
> <tr id="boughtItems">
> <td><span style="font-weight: bold;">{{=p.item}}</span></td>
> <td><span style="font-weight: bold;">{{=MoneyFormat(p.price)}}
> </span></td>
> <td><span id="{{='item%s'%p.id}}" style="font-weight: bold;">
> {{=qty}}</span></td>
> <td><span style="font-weight: bold;">{{=MoneyFormat(qty*p.price)}}
> </span></td>
> <td>
>
> *CONTROLLER*
> def cart_callback():
> id = int(request.vars.id)
> if request.vars.action == 'add':
> session.cart[id]=session.cart.get(id,0)+1
> if request.vars.action == 'sub':
> session.cart[id]=max(0,session.cart.get(id,0)-1)
> return str(session.cart[id])
>
> Regards
>
> Mostwanted
>
>
>
--
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