Class: BlockKit::Fixers::Truncate

Inherits:
Base
  • Object
show all
Defined in:
lib/block_kit/fixers/truncate.rb

Instance Method Summary collapse

Methods inherited from Base

#dangerous?

Constructor Details

#initialize(attribute:, **options) ⇒ Truncate

Returns a new instance of Truncate.



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# File 'lib/block_kit/fixers/truncate.rb', line 6

def initialize(attribute:, **options)
  super

  @maximum = options.delete(:maximum)
  @omission = options.delete(:omission)
end

Instance Method Details

#fix(model, fixing_dangerously: false) ⇒ Object 



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# File 'lib/block_kit/fixers/truncate.rb', line 13

def fix(model, fixing_dangerously: false)
  return if dangerous? && !fixing_dangerously

  model.validate
  errors = errors_for(model)

  return unless errors.any? { |e| e.type == :too_long }

  value = model.attributes[attribute.to_s]
  maximum = @maximum.call(model) if @maximum.is_a?(Proc)
  maximum ||= @maximum

  new_value = if value.is_a?(Enumerable)
    value.first(maximum)
  else
    value.truncate(maximum, omission: @omission)
  end

  model.assign_attributes(attribute => new_value)
end