ruby on rails - Inherit from parent controller or use concerns? -


i have 5 controllers share common code. best let them inherit parent controller, or use concerns? example:

class postscontroller < applicationcontroller   before_action :authenticate, :set_project   layout 'projects' end  class commentscontroller < applicationcontroller   before_action :authenticate, :set_project   layout 'projects' end  # 3 other controllers, etc...

i let controllers inherit 1 controller declares before_actions , layout, or stuff common code concern.

what's criteria 1 choice or other? defined?

my rule of thumb is:

if controllers share same namespace in url (for example /projects/... or /admin/...), use inheritance projects::basecontroller or admin::basecontroller.

if share methods or declarations , not share namespace, use mixins.

and prefer duplicated code. because code in place easier understand mixin meaningless name. have name concern covers authentication and layout?


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