Class: Plato

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

Overview

this class represents plates that follow the concept of harvard health experts

Constant Summary collapse

@@tabla =

all known foods that can be inside a plate

[
      HuevosLacteosHelados.new("Huevo", 14.1, 0.0, 19.5),
      HuevosLacteosHelados.new("Leche", 3.3, 4.8, 3.2),
      HuevosLacteosHelados.new("Yogurt", 3.8, 4.9, 3.8),
      CarnesDerivados.new("Cerdo", 21.5, 0.0, 6.3),
      CarnesDerivados.new("Ternera", 21.1, 0.0, 3.1),
      CarnesDerivados.new("Pollo", 20.6, 0.0, 5.6),
      PescadosMariscos.new("Bacalao", 17.7, 0.0, 0.4),
      PescadosMariscos.new("Atún", 21.5, 0.0, 15.5),
      PescadosMariscos.new("Salmón", 19.9, 0.0, 13.6),
      AlimentosGrasos.new("Aceite de oliva", 0.0, 0.2, 99.6),
      AlimentosGrasos.new("Mantequilla", 0.7, 0.0, 83.2),
      AlimentosGrasos.new("Chocolate", 5.3, 47.0, 30.0),
      AlimentosCarbohidratos.new("Azúcar", 0.0, 99.8, 0.0),
      AlimentosCarbohidratos.new("Arroz", 6.8, 77.7, 0.6),
      AlimentosCarbohidratos.new("Lentejas", 23.5, 52.0, 1.4),
      AlimentosCarbohidratos.new("Papas", 2.0, 15.4, 0.1),
      VerdurasHortalizas.new("Tomate", 1.0, 3.5, 0.2),
      VerdurasHortalizas.new("Cebolla", 1.3, 5.8, 0.3),
      VerdurasHortalizas.new("Calabaza", 1.1, 4.8, 0.1),
      Frutas.new("Manzana", 0.3, 12.4, 0.4),
      Frutas.new("Plátano", 1.2, 21.4, 0.2),
      Frutas.new("Pera", 0.5, 12.7, 0.3)
]
@@unityConverter = 
{
  "piezas pequeñas" => 30, 
  "pieza pequeña" => 30, 
  "taza" => 200,
  "tazas" => 200,
  "cucharón" => 70,
  "cucharónes" => 70,
  "pieza" => 50,
  "piezas" => 50,
  "cucharada" => 10,
  "cucharadas" => 10
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &bloque) ⇒ Plato

Returns a new instance of Plato.



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# File 'lib/plato.rb', line 48

def initialize(name, &bloque)
  @name = name.strip
  @ingredients = {
                  "vegetales" => [], 
                  "frutas" => [], 
                  "granos" => [], 
                  "proteina" => [], 
                  "aceite" => []
                 }
  @valorEnergetico = 0

  if block_given?
    if bloque.arity == 1
      yield self
    else
      instance_eval(&bloque)
    end
  end
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/plato.rb', line 9

def name
  @name
end

Instance Method Details

#aceite(name, amount) ⇒ Object 



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# File 'lib/plato.rb', line 96

def aceite(name, amount)
  @@tabla.each{ |value| if value.nombre == name
     @ingredients["aceite"] << [value, translateAmount(amount)]
     @valorEnergetico += value.valorEnergetico(translateAmount(amount))
  end
  }
end

#adjust(str, length) ⇒ Object 



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# File 'lib/plato.rb', line 137

def adjust(str, length)
  str = str.to_s
  str + " " * (length - str.length)
end

#cereal(name, amount) ⇒ Object 



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# File 'lib/plato.rb', line 82

def cereal(name, amount)
  @@tabla.each{ |value| if value.nombre == name
     @ingredients["granos"] << [value, translateAmount(amount)]
     @valorEnergetico += value.valorEnergetico(translateAmount(amount))
  end
  }
end

#format(alimento) ⇒ Object 



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# File 'lib/plato.rb', line 132

def format(alimento)
  value = alimento[0]
  str = adjust(value.nombre, 17) + "#{adjust(value.glucidos, 12)}#{adjust(value.proteinas, 12)}#{adjust(value.grasas, 12)}#{adjust(value.valorEnergetico(alimento[1]).round(1), 6)}(#{alimento[1].round} gramos)\n"
end

#fruta(name, amount) ⇒ Object 



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# File 'lib/plato.rb', line 75

def fruta(name, amount)
  @@tabla.each{ |value| if value.nombre == name
     @ingredients["frutas"] << [value, translateAmount(amount)]
     @valorEnergetico += value.valorEnergetico(translateAmount(amount))
  end
  }
end

#proteina(name, amount) ⇒ Object 



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# File 'lib/plato.rb', line 89

def proteina(name, amount)
  @@tabla.each{ |value| if value.nombre == name
     @ingredients["proteina"] << [value, translateAmount(amount)]
     @valorEnergetico += value.valorEnergetico(translateAmount(amount))
  end
  }
end

#to_s ⇒ Object 



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# File 'lib/plato.rb', line 117

def to_s
  text = @name
  text << "\n"
  temp = "=" * (@name.length-1)
  text << temp
  text << "\nComposición nutricional\n"
  text << "                 glúcidos    proteínas   lípidos     valor energético\n" #17 spaces
  @ingredients.each{|temp| temp[1].each {|alimento| text << format(alimento)}}
  text << adjust("Valor energético total", 53)
  text << @valorEnergetico.round(1).to_s


  text
end

#translateAmount(amount) ⇒ Object 



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# File 'lib/plato.rb', line 104

def translateAmount(amount)
  if amount[:gramos] != nil 
    amount[:gramos]
  elsif amount[:porcion] != nil
    text = amount[:porcion].partition(" ")
    number = text[0].strip.to_f
    amount = @@unityConverter[text[2].strip.to_s]
    number * amount
  else
    nil
  end
end

#vegetal(name, amount) ⇒ Object 



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# File 'lib/plato.rb', line 68

def vegetal(name, amount)
  @@tabla.each{ |value| if value.nombre == name
     @ingredients["vegetales"] << [value, translateAmount(amount)]
     @valorEnergetico += value.valorEnergetico(translateAmount(amount))
  end
  }
end