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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class Post < Granite::Base
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connection pg
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before_save :upcase_title
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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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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
Last modified 2yr ago