Class: Plato

Inherits:
Object
  • Object
show all
Defined in:
lib/P11/plato.rb

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/P11/plato.rb', line 3

def initialize(name, &block)
    @name = name
    @alimentos = []
    @total = 0
    
    if block_given?  
      if block.arity == 1
        yield self
      else
       instance_eval(&block) 
      end
    end
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/P11/plato.rb', line 2

def name
  @name
end

#total ⇒ Object (readonly)

Returns the value of attribute total.



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# File 'lib/P11/plato.rb', line 2

def total
  @total
end

Instance Method Details

#aceite(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 88

def aceite(name, amount)
    insert_food(name, amount)
end

#cereal(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 80

def cereal(name, amount)
    insert_food(name, amount)
end

#convert_quantities(amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 17

def convert_quantities(amount)
  grams = 0
  prop = 1
  
    if amount[:porcion] =~ /taza/i
       amount[:porcion] = amount[:porcion].gsub(/taz(a\s|as\s|a\z|as\z)/, '')
        grams = 3
        else if amount[:porcion] =~ /cucharada/i
                amount[:porcion] = amount[:porcion].gsub(/cucharad(a\s|as\s|a\z|as\z)/, '')
                grams = 0.09
    
            else if amount[:porcion] =~ /cucharon/i
                    amount[:porcion] = amount[:porcion].gsub(/cucharo(n\s|nes\s|n\z|nes\z)/, '')
                    grams = 10
        
                else if amount[:porcion] =~ /pieza/i
                        amount[:porcion] = amount[:porcion].gsub(/piez(a\s|as\s|a\z|as\z)/, '')
                        grams = 1
                end
            end
        end
    end
    
    if amount[:porcion] =~ /pequeñ(a\s|as\s|a\z|as\z|o\s|os\s|o\z|os\z)/i 
       amount[:porcion] = amount[:porcion].gsub(/pequeñ(a\s|as\s|a\z|as\z|o\s|os\s|o\z|os\z)/, '')
       grams = grams.to_f / 2
    end
    # reconoce numero y fraccion amount[:porcion] = amount[:porcion].match(/(\d\/\d)|\d/)
    
    # Si el número es una fracción
    if amount[:porcion].match(/(\d\/\d)/)
        num = amount[:porcion].match(/(\d\/)/).to_s.gsub(/(\/)/, '').to_f
        den = amount[:porcion].match(/(\/\d)/).to_s.gsub(/(\/)/, '').to_f
        prop = num/den
    else
        # Si el numero es entero
        prop = amount[:porcion].match(/\d/).to_s.to_i
    end
    
    grams = grams * prop
end

#fruta(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 76

def fruta(name, amount)
    insert_food(name, amount)
end

#insert_food(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 59

def insert_food(name, amount)
    food = Food[name]

    if amount[:porcion]
        quantity = Food[name].cal_index * convert_quantities(amount)
    else
        quantity = Food[name].cal_index * amount[:gramos]/10
    end

    @alimentos << [food, quantity.round(2)]  
    @total = @alimentos.map{|x| x[1]}.reduce(:+)
end

#proteina(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 84

def proteina(name, amount)
    insert_food(name, amount)
end

#to_s ⇒ Object 



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# File 'lib/P11/plato.rb', line 92

def to_s
    puts @name
    
    i = 0
    while(i < @name.size)
        print "="
        i = i + 1
    end
    puts
    puts "Composición nutricional:"
    puts "                 Glúcidos Proteínas Lípidos Valor energético Valor porcion"
    
    @alimentos.map{|x| print x[0], "%8s" % x[1], "\n"}
    print "Valor energético total: ", "%44s" % @total
     
end

#vegetal(name, amount) ⇒ Object 



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# File 'lib/P11/plato.rb', line 72

def vegetal(name, amount)
    insert_food(name, amount)
end