[LRUG] Rails Question : Matching Share Nested Resources to Controllers
tom at experthuman.com
Mon Nov 5 06:29:08 PST 2007
On 5 Nov 2007, at 14:12, Anthony Green wrote:
> What approach would you take here ?
> Contextual checking in the views ?
> or partial names based on parent resource instance variable name ?
> Or some other way ?
It depends how much of the view needs to change. Of course you could
go the whole hog and "render :template" an entire custom page
depending on the parent object, or be more gentle about it and have a
single template which uses helpers to render the appropriate partials
at the right points in the page.
The actual mechanism for checking and enforcing the context is up to
you, but there are probably a few tidy ways of doing it. Given that
multiple partials might be involved, it could get difficult to name
the partials themselves after the parent resource's "instance variable
name" (i.e. class), but there's no reason you couldn't have matching
collections of partials in e.g. the views/authors and views/publishers
directories, and form the paths to the partials by interpolating the
class name of the parent into a larger string (provided a parent is
But aside from this I agree with Craig Webster's second message on
this thread re: how much view context should really change between
these different scenarios. In each case the user's conceptually doing
the same thing (albeit with different filters) and it would be unusual
for things to be radically different between views. In many cases it
comes down to just showing some representation of the parent object
itself (which might include e.g. breadcrumbing, calling #name on it
etc) which shouldn't be onerous enough to warrant completely separate
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