Callbacks
Call a specified method on a specific life cycle event.
Here is an example:
require "granite/adapter/pg"
class Post < Granite::Base
connection pg
before_save :upcase_title
column id : Int64, primary: true
column title : String
column content : String
timestamps
def upcase_title
if title = @title
@title = title.upcase
end
end
end
You can register callbacks for the following events:
Create
before_save
before_create
save
after_create
after_save
Update
before_save
before_update
save
after_update
after_save
Destroy
before_destroy
destroy
after_destroy
Last updated