Callbacks

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

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CRUD

Last modified 3yr ago

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Create

Update

Destroy