WE ARE CURRENTLY WORKING ON A UNIFIED API FOR ERRORS (FOR DRY AND REFORM).

I have a Post object that has_one :schedule with accepts_nested_attributes_for :schedule as well. The latter method sets autosave: true, which unfortunately has the effect of hoisting up errors into the parent object so that the errors object on Post looks like this: (byebug) post.errors.details {:"schedule.publish_at"=>[{:error=>:blank}]}

ActiveInteraction also supports merging errors. This is useful if you want to delegate validation to some other object. For example, if you have an interaction that updates a record, you might want that record to validate itself. By using the #merge! helper on errors, you can do exactly that.

ActiveInteraction provides detailed errors for easier introspection and testing of errors. Detailed errors improve on regular errors by adding a symbol that represents the type of error that has occurred.

Inside #execute, we merge errors. This is a convenient way to move errors from one object to another.