Thanks, yes, I know of the item.id problem for next and previous, I just used it for now I'll try to do something with the http://docs.python.org/2/library/functions.html#enumerate later on.Will I also have to ask from the controller to change each item page meta data for google indexing?
On Monday, September 9, 2013 3:55:36 PM UTC+3, Anthony wrote: > > The query will happen on every page request, though you can cache > it<http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#Caching-selects>. > > There's another problem, though -- in the list view, the arg in the link is > the item.id, but in the individual item view, you use that arg to simply > subset the returned list of items. Note, the item.id (which is the > auto-incrementing primary key in the database) will not necessarily be > equivalent to the index of the item in the returned Rows object (e.g., as > you delete records, the id values in the database will be non-consecutive > integers). > > Anthony > > On Monday, September 9, 2013 7:11:14 AM UTC-4, אבי אברמוביץ wrote: >> >> After some tries I got to this, which works fine: >> My question is if the controller "saves" the "items" dict, or it queries >> for it on every time the view calls it (when moving between pages using the >> next/previous links? >> >> Thanks. >> >> controller >> def index(): >> items = db(db.t_items).select() >> return dict(items=items) >> >> view: >> >> {{if request.args(0):}} >> {{item=items[int(request.args(0))-1]}} >> <div class="view_item"> >> {{if int(request.args(0)) > 1 :}} >> <a href="{{=URL('default', 'index', args=int(request.args(0))-1)}}"><< >> Previous item</a> >> {{pass}} >> >> {{if int(request.args(0)) < len(items) :}} >> <a href="{{=URL('default', 'index', args=int(request.args(0))+1)}}">Next >> item >></a> >> {{pass}} >> >> <h1>{{=item.f_item_name}}</h1> >> <div> <img width="200px" src="{{=URL(r=request, f='download', >> args=item.f_item_image)}}" /></div> >> <div>{{=item.f_item_description}}</div> >> <div>{{=item.f_item_price}}</div> >> </div> >> {{else:}} >> {{for item in items:}} >> <ul class="grid"> >> <h3><a href="{{=URL('default', 'index', args=item.id >> )}}">{{=item.f_item_name}}</a></h3> >> <li>{{=item.f_item_description}}</li> >> <li>{{=item.f_item_price}}</li> >> <li><img width="200px" src="{{=URL(r=request, f='download', >> args=item.f_item_image)}}" /></li> >> </ul> >> {{pass}} >> {{pass}} >> >> On Sunday, September 1, 2013 8:56:16 PM UTC+3, אבי אברמוביץ wrote: >>> >>> Great, thanks. >>> >>> On Sunday, September 1, 2013 9:40:25 AM UTC+3, אבי אברמוביץ wrote: >>>> >>>> Hi, >>>> I understand the url structure: app/function/view >>>> but assuming I have a list of items on the view, How do I get to a view >>>> page for each one of them and where can I build that page template? >>>> Thanks. >>>> >>> -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
