Created
December 14, 2011 00:32
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This is a soft delete mixin for ActiveRecord 3.x. All you need to do is add a `deleted_at` column to the ActiveRecord models you mix this into.
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module SoftDelete | |
extend ActiveSupport::Concern | |
included do | |
define_model_callbacks :soft_delete | |
define_model_callbacks :recover | |
default_scope where(:deleted_at => nil) | |
class_eval do | |
class << self | |
alias_method :with_deleted, :unscoped | |
end | |
end | |
end | |
module ClassMethods | |
def only_deleted | |
unscoped.where("#{table_name}.deleted_at IS NOT NULL") | |
end | |
end | |
def soft_delete | |
run_callbacks :soft_delete do | |
update_attribute(:deleted_at, Time.current) | |
end | |
end | |
def recover | |
run_callbacks :recover do | |
update_attribute(:deleted_at, nil) | |
end | |
end | |
end |
Brian, Thank you! I actually was just reading about this when you commented. I finally found some great articles on this and never really thought to include stuff like that...Great job..this is super awesome! Thanks for responding too.
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It's adding all the standard callback functionality so that the
run_callbacks
calls inside ofsoft_delete
andrecover
function properly. It allows you to define callbacks for those lifecycle events the same way you do fordestroy
andsave
andcreate
andvalidate
.