Module: Kamerling::Mapper

Defined in:
lib/kamerling/mapper.rb

Class Method Summary collapse

Class Method Details

.from_h(klass, hash, repos: Repos) ⇒ Object 



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# File 'lib/kamerling/mapper.rb', line 7

def from_h(klass, hash, repos: Repos)
  attributes = hash.map do |key, value|
    case key
    when :host, :port, :prot then [:addr, Addr.new(hash)]
    when /_uuid$/            then object_pair_from(key, value, repos)
    else                          [key, value]
    end
  end.to_h
  klass.new(attributes)
end

.object_pair_from(key, value, repos) ⇒ Object 



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# File 'lib/kamerling/mapper.rb', line 18

def object_pair_from(key, value, repos)
  type = key[/(.*)_uuid$/, 1].to_sym
  [type, repos[Kamerling.const_get(type.capitalize)][value]]
end

.to_h(object) ⇒ Object 



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# File 'lib/kamerling/mapper.rb', line 23

def to_h(object)
  object.to_h.reduce({}) do |hash, (key, value)|
    hash.merge case value
               when Addr then value.to_h
               when Hash then { :"#{key}_uuid" => value[:uuid] }
               else           { key => value }
               end
  end
end