Callbacks

Granite

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Granite

Callbacks

Call a specified method on a specific life cycle event.
Here is an example:
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require "granite/adapter/pg"
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​
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class Post < Granite::Base
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  connection pg
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​
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  before_save :upcase_title
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​
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  column id : Int64, primary: true
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  column title : String
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  column content : String
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  timestamps
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​
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  def upcase_title
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    if title = @title
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      @title = title.upcase
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    end
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  end
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end
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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

Model Usage

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Last modified 2yr ago

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Contents

Create

Update

Destroy