Class: MoonInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/meteorologist/moon_info.rb

Constant Summary collapse

EMOJI =

This service is built for the ‘moonPhase’ variable in the DarkSky API where a ‘new’ moon is 0 (0.99, 0, and 0.01) and a ‘full’ moon is 0.5 (0.49 - 0.51)

{
  'new'           => '🌑',
  'crescent'      => '🌒',
  'first quarter' => '🌓',
  'gibbous'       => '🌔',
  'full'          => '🌕',
  'disseminating' => '🌖',
  'last quarter'  => '🌗',
  'balsamic'      => '🌘'
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(cycle_completion) ⇒ MoonInfo

Returns a new instance of MoonInfo.



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# File 'lib/meteorologist/moon_info.rb', line 17

def initialize(cycle_completion)
  @cycle_completion = cycle_completion
end

Instance Method Details

#active_elements ⇒ Object 



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# File 'lib/meteorologist/moon_info.rb', line 58

def active_elements
  return []
  @active_elements ||= build_active_elements
end

#emoji ⇒ Object 



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# File 'lib/meteorologist/moon_info.rb', line 63

def emoji
  EMOJI[phase_name]
end

#illumination ⇒ Object 



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# File 'lib/meteorologist/moon_info.rb', line 21

def illumination
  return 0 if new?
  return 1 if full?
  if waxing?
    ((cycle_completion / 0.48) - 0.01).round(2)
  else
    (1 - ((cycle_completion - 0.51) / 0.48)).round(2)
  end
end

#in_sign ⇒ Object 



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# File 'lib/meteorologist/moon_info.rb', line 54

def in_sign
  #MoonSignCalculator.calculate(date)
end

#phase_name ⇒ Object 



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# File 'lib/meteorologist/moon_info.rb', line 39

def phase_name
  return 'new' if new?
  return 'full' if full?

  if waxing?
    return 'crescent' if crescent?
    return 'first quarter' if quarter?
    return 'gibbous' if gibbous?
  else
    return 'disseminating' if gibbous?
    return 'last quarter' if quarter?
    return 'balsamic' if crescent?
  end
end

#waning? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/meteorologist/moon_info.rb', line 35

def waning?
  cycle_completion.between?(0.51, 0.98)
end

#waxing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/meteorologist/moon_info.rb', line 31

def waxing?
  cycle_completion.between?(0.02, 0.48)
end