Class: Morfo::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/morfo/builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(definitions) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/morfo/builder.rb', line 3

def initialize(definitions)
  @definitions = definitions
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/morfo/builder.rb', line 7

def build
  # WTF??? `definitions` is not accessible inside class
  # so this javascript technique is necesseray
  tmp_definitions = definitions.map { |h| Morfo::Tools::ExtendedHash.symbolize_keys(h) }
  Class.new(Morfo::Base) do
    tmp_definitions.each do |definition|
      f = field(*definition[:field])

      if definition[:from]
        f = f.from(*definition[:from])
      end

      if definition[:calculated]
        base_hash = Morfo::Tools::BaseKeys.new(definition[:calculated]).build
        f = f.calculated { |r| definition[:calculated] % base_hash.merge(Morfo::Tools::FlattenHashKeys.new(r).flatten) }
      end

      if definition[:transformed]
        f = f.transformed { |v| definition[:transformed] % {value: v} }
      end
    end
  end
end