Class: PlatoDSL

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &block) ⇒ PlatoDSL

Returns a new instance of PlatoDSL.



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# File 'lib/tddAlimentos/platoDSL.rb', line 5

def initialize (name, &block)

    @name = name
    @description = ""
    @food = []
    @gr = []

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

    @vct = calc_vct
    @gei = calc_gei
    @terrain = calc_terrain

end

Instance Attribute Details

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def description
  @description
end

#food ⇒ Object

Returns the value of attribute food.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def food
  @food
end

#gei ⇒ Object

Returns the value of attribute gei.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def gei
  @gei
end

#gr ⇒ Object

Returns the value of attribute gr.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def gr
  @gr
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def name
  @name
end

#terrain ⇒ Object

Returns the value of attribute terrain.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def terrain
  @terrain
end

#vct ⇒ Object

Returns the value of attribute vct.



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# File 'lib/tddAlimentos/platoDSL.rb', line 3

def vct
  @vct
end

Instance Method Details

#alimento(options = {}) ⇒ Object 



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# File 'lib/tddAlimentos/platoDSL.rb', line 30

def alimento (options = {})
    @food << options[:valor]
    @gr << options[:gramos]
end

#calc_gei ⇒ Object

Calcula el gas de efecto invernadero que se produce al crear el plato

Devuelve

GEI del plato



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# File 'lib/tddAlimentos/platoDSL.rb', line 69

def calc_gei
    datos = @food.collect { |x| x.gei }
    gramos = @gr.collect { |x| x/100.0 }
    result = 0.0

    for i in 0...datos.size
        result += datos[i] * gramos[i]
    end
    result.round(2)
end

#calc_terrain ⇒ Object

Calcula el terreno consumido por la producción del plato

Devuelve

Valor del terreno



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# File 'lib/tddAlimentos/platoDSL.rb', line 83

def calc_terrain
    datos = @food.collect { |x| x.terrain }
    gramos = @gr.collect { |x| x/100.0 }
    result = 0.0

    for i in 0...datos.size
        result += datos[i] * gramos[i]
    end
    result
end

#calc_vct ⇒ Object

Calcula el Valor Calórico Total del plato

Devuelve

Valor Calórico Total del plato



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# File 'lib/tddAlimentos/platoDSL.rb', line 55

def calc_vct
    alimentos = @food.collect { |x| x.energetic_value }
    gramos = @gr.collect { |x| x/100.0 }
    result = 0.0

    for i in 0...alimentos.size
        result += (gramos[i] * alimentos[i])
    end
    result.round(2)
end

#descripcion(description) ⇒ Object 



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# File 'lib/tddAlimentos/platoDSL.rb', line 26

def descripcion (description)
    @description = description
end

#to_s ⇒ Object 



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# File 'lib/tddAlimentos/platoDSL.rb', line 35

def to_s
    str = ""

    str += @name + "\n"
    str += @description + "\n"
    str += "Ingredientes: "
    @food.each_with_index do |ingredient,index|
        str += "#{ingredient.name} (#{@gr[index]} gr.)"
        if index < (@food.size - 1)
            str += ", "
        end
    end
    str += "\nValor calorico total: " + @vct.to_s + " kcal.\n"
    str += "Uso de terreno: " + @terrain.to_s + "\n"
    str += "GEI: " + @gei.to_s
end