Granite
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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 modified 3yr ago