Class: Plato

Inherits:
Object
  • Object
show all
Defined in:
lib/prct06/receta.rb

Constant Summary collapse

@@unityConverter = 
{
  "piezas pequeñas" => 50,
  "pieza pequeña" => 50,
  "taza" => 200,
  "tazas" => 200,
  "cucharón" => 70,
  "cucharónes" => 70,
  "pieza" => 50,
  "piezas" => 50,
  "cucharada" => 10,
  "cucharadas" => 10
}
@@tabla = 
[
HuevosLacteosHelados.new("Huevo frito", 14.1, 0.0, 19.5),
HuevosLacteosHelados.new("Leche vaca", 3.3, 4.8, 3.2),
HuevosLacteosHelados.new("Yogurt", 3.8, 4.9, 3.8),
HuevosLacteosHelados.new("Huevo", 3.3, 4.8, 3.2),
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)
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &block) ⇒ Plato

Returns a new instance of Plato.



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# File 'lib/prct06/receta.rb', line 45

def initialize(name, &block)
  @name = name
  @ingredients = []
  @valorEnergeticoTotal = 0.0

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

Instance Attribute Details

#ingredients ⇒ Object

Returns the value of attribute ingredients.



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# File 'lib/prct06/receta.rb', line 4

def ingredients
  @ingredients
end

#instructions ⇒ Object

Returns the value of attribute instructions.



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# File 'lib/prct06/receta.rb', line 4

def instructions
  @instructions
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/prct06/receta.rb', line 4

def name
  @name
end

Instance Method Details

#aceite(name, options = {}) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 113

def aceite(name, options = {})
  ingredient(name, options)
end

#cereal(name, options = {}) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 105

def cereal(name, options = {})
  ingredient(name, options)
end

#fruta(name, options = {}) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 101

def fruta(name, options = {})
  ingredient(name, options)
end

#ingredient(name, options) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 81

def ingredient(name, options)
  ingredient = ""
  ingredient << name
  name.length < 8 ? ingredient << "\t" : ingredient << ""
  amount = translateAmount(options)
  @@tabla.each do |alimento|
    if name == alimento.name
      ingredient << "\t#{alimento.glucidos}\t\t#{alimento.proteinas}\t\t#{alimento.lipidos}\t\t"
      energy = amount * alimento.energy / 100
      ingredient << "#{energy.round(2)}"
      @valorEnergeticoTotal += energy
      @ingredients << ingredient
    end
  end
end

#proteina(name, options = {}) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 109

def proteina(name, options = {})
  ingredient(name, options)
end

#to_s ⇒ Object 



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# File 'lib/prct06/receta.rb', line 59

def to_s
  output = @name
  output << "\n#{'=' * @name.size}\n"
  output << "Composición nutricional:\n"
  output << "\t\tglúcidos \tproteínas \tlípidos \tvalor energético\n"
  output << "#{@ingredients.join("\n")}"
  output << "\nValor energético total\t\t\t\t\t\t#{@valorEnergeticoTotal.round(2)}"
end

#translateAmount(amount) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 68

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

#vegetal(name, options = {}) ⇒ Object 



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# File 'lib/prct06/receta.rb', line 97

def vegetal(name, options = {})
  ingredient(name, options)
end