class Alimento

Class Alimento Stores a food and some values of its elements.

Attributes

glucids[R]

lipids[R]

name[R]

proteins[R]

Public Class Methods

new(name, proteins, glucids, lipids) click to toggle source

Initialization of the object given its attributes @param name [String] Name of the Alimento @param proteins [Fixnum] Proteins ammount of the Alimento @param glucids [Fixnum] Glucids ammount of the Alimento @param lipids [Fixnum] Lipids ammount of the Alimento

# File lib/nutrientes/alimento.rb, line 55
def initialize (name, proteins, glucids, lipids)
   @name = name
   @proteins = proteins
   @glucids = glucids
   @lipids = lipids
end

Public Instance Methods

<=>(another) click to toggle source

Method to implement the comparison between two Alimentos @param another [Object] Object to compare with @return [Fixnum] 1 if the first object is bigger, 0 if equal and -1 if minor

# File lib/nutrientes/alimento.rb, line 18
def <=>(another)
    if(another.caloric_value > caloric_value)
        return -1
    else
        if(another.caloric_value < caloric_value)
            return 1
        end
        if (another.proteins > proteins)
            return -1
        else
            if(another.proteins < proteins)
                return 1
            end
            if(another.glucids > glucids)
                return -1
            else
                if(another.glucids < glucids)
                    return 1
                end
                if(another.lipids > lipids)
                    return -1
                else 
                    if(another.lipids < lipids)
                        return 1
                    else return 0
                    end
                end
            end
        end
    end
end

caloric_value() click to toggle source

Calculates the caloric value of the Alimento @return [Fixnum] The caloric value

# File lib/nutrientes/alimento.rb, line 70
def caloric_value()
   return (@proteins * 4 + @lipids * 9 + @glucids * 4)
end

to_s() click to toggle source

Method to transform an object of Alimento to a string @return [String] the object as a string

# File lib/nutrientes/alimento.rb, line 64
def to_s() 
   return String.new(@name + ", " + @proteins.to_s + "g proteins, " + @glucids.to_s + "g glucids, " + @lipids.to_s + "g lipids")
end