Class: Nutri

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/prct06/nutri.rb

Overview

Manages all the informations a normal etiquett contains.

Author:

  • roro

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, fat, sfats, hydrates, sugar, protein, salt) ⇒ nil

initialize the obj

Parameters:

  • name (string) —
    Name
  • fat (int) —
    Fat value
  • sfats (int) —
    Saturates Fat value
  • hydrates (int) —
    Hydrates value
  • sugar (int) —
    Sugar value
  • protein (int) —
    Protein value
  • salt (int) —
    Salt Value 


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# File 'lib/prct06/nutri.rb', line 37

def initialize(name, fat, sfats, hydrates, sugar, protein, salt)
	@name, @fat, @sfats, @hydrates, @sugar, @protein, @salt = name, fat, sfats, hydrates, sugar, protein, salt
	@energy = 0.0
	senergy()
end

Instance Attribute Details

#energy ⇒ Object (readonly)

Returns the value of attribute energy.



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# File 'lib/prct06/nutri.rb', line 13

def energy
  @energy
end

#fat ⇒ Object (readonly)

Returns the value of attribute fat.



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# File 'lib/prct06/nutri.rb', line 13

def fat
  @fat
end

#hydrates ⇒ Object (readonly)

Returns the value of attribute hydrates.



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# File 'lib/prct06/nutri.rb', line 13

def hydrates
  @hydrates
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/prct06/nutri.rb', line 13

def name
  @name
end

#protein ⇒ Object (readonly)

Returns the value of attribute protein.



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# File 'lib/prct06/nutri.rb', line 13

def protein
  @protein
end

#salt ⇒ Object (readonly)

Returns the value of attribute salt.



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# File 'lib/prct06/nutri.rb', line 13

def salt
  @salt
end

#sfats ⇒ Object (readonly)

Returns the value of attribute sfats.



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# File 'lib/prct06/nutri.rb', line 13

def sfats
  @sfats
end

#sugar ⇒ Object (readonly)

Returns the value of attribute sugar.



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# File 'lib/prct06/nutri.rb', line 13

def sugar
  @sugar
end

Instance Method Details

#<=>(other) ⇒ bool

Defines wich value should be compared

Parameters:

  • other (object) —
    another object

Returns:

  • (bool) —
    True or False whether the compatrison is correct or not. 


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# File 'lib/prct06/nutri.rb', line 21

def <=>(other)
	@name <=> other.name
end

#senergy ⇒ string

Prints the calculated energy as a string.

Returns:

  • (string) —
    Energy as a string 


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# File 'lib/prct06/nutri.rb', line 111

def senergy
	v1 = [@fat, @hydrates, @protein, @salt]
	v2 = [37, 17, 17, 25]
	v3 = [9, 4, 4, 6]

	s1 = 0
	s2 = 0
	i = 0
	while (i < v1.length)
		s1 += v1[i] * v2[i]
		s2 += v1[i] * v3[i]
		i += 1
	end
	@energy = s2
	return "#{s1.round(2)} kJ/g / #{s2.round(2)} kcal/g\n"
end

#sfat ⇒ string

Prints fat as a string.

Returns:

  • (string) —
    fat as a string 


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# File 'lib/prct06/nutri.rb', line 55

def sfat
	"#{@fat}"
end

#shydrates ⇒ string

Prints hydrates as a string.

Returns:

  • (string) —
    hydrates as a string 


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# File 'lib/prct06/nutri.rb', line 71

def shydrates
	"#{@hydrates}"
end

#sname ⇒ string

Prints name as a string.

Returns:

  • (string) —
    name as a string 


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# File 'lib/prct06/nutri.rb', line 47

def sname
	"#{@name}"
end

#sprotein ⇒ string

Prints protein as a string.

Returns:

  • (string) —
    protein as a string 


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# File 'lib/prct06/nutri.rb', line 87

def sprotein
	"#{@protein}"
end

#ssalt ⇒ string

Prints salt as a string.

Returns:

  • (string) —
    salt as a string 


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# File 'lib/prct06/nutri.rb', line 95

def ssalt
	"#{@salt}"
end

#ssfats ⇒ string

Prints sfats as a string.

Returns:

  • (string) —
    sfats as a string 


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# File 'lib/prct06/nutri.rb', line 63

def ssfats
	"#{@sfats}"
end

#ssugar ⇒ string

Prints sugar as a string.

Returns:

  • (string) —
    sugar as a string 


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# File 'lib/prct06/nutri.rb', line 79

def ssugar
	"#{@sugar}"
end

#to_s ⇒ string

Prints the whole etiquetta as a string.

Returns:

  • (string) —
    Etiquetta as a string 


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# File 'lib/prct06/nutri.rb', line 103

def to_s
	return "Name: \t\t#{@name}\nfat: \t\t#{@fat}\nsat.fats: \t#{@sfats}\nhydrates: \t#{@hydrates}\nsugar: \t\t#{@sugar}\nprotein: \t#{@protein}\nsalt: \t\t#{@salt}\n"
end