Activemode::Dirty attributes query methods consistency before and after saving. #19847
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`ActiveModel::Dirty#[attr_name]_previous_change` to improve access to recorded changes after the model has been saved. It makes the dirty-attributes query methods consistent before and after saving.
rafaelfranca
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Apr 21, 2015
…-syntactic-sugar Activemode::Dirty attributes query methods consistency before and after saving.
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Provides
ActiveModel::Dirty#[attr_name]_previously_changed?andActiveModel::Dirty#[attr_name]_previous_changeto improve access to recorded changes after the model has been saved.It makes the dirty-attributes query methods consistent before and after saving. It comes handy when attribute changes are inspected in controllers, services objects and so on.