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paulcsmith/changed.ex

Last active February 2, 2016 17:33
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Idea for check whether something changed from one value to another in a changeset
Raw
changed.ex
changeset |> changed?(:status, from: "pending", to: "canceled")
changeset |> changed?(:status, from: "attending") # for checking if it changed, but we don't care what it changed to
def changed?(changeset, field, from: from, to: to) do
Ecto.Changeset.get_field(changeset, field) == from
&& booking_changeset.changes[field] == to
end
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