I can't get this to work. Let me try to be more specific. I have models
Recipe, Tag, User, and TagAssignment.
Recipe belongs to :creator, :class_name = "User"
Tag belongs to :creator, :class_name = "User"
Recipe has many Tags through TagAssignment (and vice-versa)
The page is the edit page of Recipe. When I add "tags" to the field-list for
the edit page, what I see depends on what is in the view_permitted? of Tag. If
this returns true, I see the neat popupmenu with a list of tags and buttons to
delete the tags. But it shows everyones tags.
If I put the suggested code in the view_permitted, the popup doesn't show up
at all.
I've been looking at the definition of the <select-many> tag. Since it has
the line
options ||= this_field_reflection.klass.all(:conditions
=>this.conditions).select {|x| can_view?(x)}
I figured can_view?(x) means by default it checks view_permitted for each of
its collection, but that is not what seems to happen. Could I put a
selector in the show controller for recipe?
Or could I modify <select-many> to change which items it will show?
On Nov 17, 2010, at 12:42 PM, Peter Ehrlich wrote:
> So I'm not sure which model you're pulling these permissions method
> from, but at any rate it sounds like you need field-specific
> permissions, if only tags are not showing. Perhaps something inspired
> by this?
>
> def view_permitted?(field)
> return true if :tag == field and acting_user == tag.creator
> end
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