Class: Ambito::Variation

Inherits:
Object
  • Object
show all
Defined in:
lib/ambito/variation.rb

Constant Summary collapse 

{up: "📈", down: "📉", equal: "📊"}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ Variation

Returns a new instance of Variation.



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# File 'lib/ambito/variation.rb', line 7

def initialize(value)
  @value = parse(value)
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/ambito/variation.rb', line 5

def value
  @value
end

Class Method Details

.[](value) ⇒ Object 



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# File 'lib/ambito/variation.rb', line 32

def [](value)
  new(value)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/ambito/variation.rb', line 11

def to_s
  sprintf("%.2f" % value) << "%"
end

#trend ⇒ Object 



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# File 'lib/ambito/variation.rb', line 15

def trend
  if value.positive?
    TRENDS[:up]
  elsif value.negative?
    TRENDS[:down]
  else
    TRENDS[:equal]
  end
end