With Rails 3, we had a number of method-defined scopes along these lines:
def self.with_name(name)
if name.present?
where(name: name)
else
scoped
end
end
In Rails 4, `Model#scoped` is obviously deprecated and recommends replacing
with `Model#all`. But it looks like `Relation#all` is deprecated as well.
What's the "right" way to do this in Rails 4?
Looking at the code and docs, the best approach I've found is to use
`where(nil)` but that doesn't feel particularly idiomatic. Any better
approaches?
Thanks much,
Jeremy
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