Class: Alchemrest::Response::Pipeline::Omit

Inherits:
Morpher::Transform
  • Object
show all
Defined in:
lib/alchemrest/response/pipeline/omit.rb

Constant Summary collapse

PRIMITIVE = 
Primitive.new(::Hash)

Instance Method Summary collapse

Constructor Details

#initialize(omit = nil) ⇒ Omit

Returns a new instance of Omit.



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# File 'lib/alchemrest/response/pipeline/omit.rb', line 11

def initialize(omit = nil)
  @omit = omit
  super
end

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/alchemrest/response/pipeline/omit.rb', line 16

def call(input)
  if input.is_a?(::Array)
    array.call(input)
  else
    PRIMITIVE
      .call(input)
      .bind { |i| omit_nodes(i) }
  end
end

#delete_from(input) ⇒ Object 



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# File 'lib/alchemrest/response/pipeline/omit.rb', line 34

def delete_from(input)
  omit.each do |path|
    path.walk(input) do |_path, node, remaining_segments|
      if remaining_segments.count == 1
        node.delete(remaining_segments.last)
      end
    end
  end
end

#omit_nodes(input) ⇒ Object 



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# File 'lib/alchemrest/response/pipeline/omit.rb', line 26

def omit_nodes(input)
  dup = input.dup
  if omit.present?
    delete_from(dup)
  end
  success(dup)
end