Base

GitHub

Base class for request transformers.

Request transformers modify requests before or after validation. Register transformers in capabilities using Capability::Base.request_transformer.

Example: Strip whitespace from strings

class MyRequestTransformer < Capability::Transformer::Request::Base
  phase :before

  def transform
    request.transform { |data| strip_strings(data) }
  end

  private

  def strip_strings(value)
    case value
    when String then value.strip
    when Hash then value.transform_values { |v| strip_strings(v) }
    when Array then value.map { |v| strip_strings(v) }
    else value
    end
  end
end

Class Methods

.phase

.phase(value = nil)

GitHub

The phase for this transformer.

Parameters

Name	Type	Default	Description
value	Symbol<:after, :before>, nil	nil	The phase. Defaults to :before when not set.

Returns

Symbol

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Instance Methods

#transform

#transform

GitHub

Transforms the request.

Returns

Request

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