Module | Sequel::Plugins::InputTransformer |
In: |
lib/sequel/plugins/input_transformer.rb
|
InputTransformer is a plugin that allows generic transformations of input values in model column setters. Example:
Album.plugin :input_transformer Album.add_input_transformer(:reverser){|v| v.is_a?(String) ? v.reverse : v} album = Album.new(:name=>'foo') album.name # => 'oof'
You can specifically set some columns to skip some input input transformers:
Album.skip_input_transformer(:reverser, :foo) Album.new(:foo=>'bar').foo # => 'bar'
Usage:
# Make all model subclass instances support input transformers (called before loading subclasses) Sequel::Model.plugin :input_transformer # Make the Album class support input transformers Album.plugin :input_transformer
# File lib/sequel/plugins/input_transformer.rb, line 25 25: def self.apply(model, *) 26: model.instance_eval do 27: @input_transformers = {} 28: @input_transformer_order = [] 29: @skip_input_transformer_columns = {} 30: end 31: end