Class: Fretboard::Note

Inherits:
Object
  • Object
show all
Defined in:
lib/fretboard/note.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(note) ⇒ Note

Returns a new instance of Note.



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# File 'lib/fretboard/note.rb', line 34

def initialize(note)
  @note = note
end

Class Method Details

.next_for(note, sharp_or_flat: :both) ⇒ Object

Fretboard::Note.next_for(‘C’) Fretboard::Note.next_for([‘F#’, ‘Gb’]) Fretboard::Note.next_for(‘F#/Gb’)



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# File 'lib/fretboard/note.rb', line 11

def self.next_for(note, sharp_or_flat: :both) # rubocop:disable Metrics/MethodLength
  all_notes = Fretboard::Notes.all(sharp_or_flat)

  if note.is_a?(Array)
    note = case sharp_or_flat
           when :both
             note.join("/")
           when :sharp
             note.first
           else
             note.last
           end
  end

  current_index = all_notes.find_index(note)
  next_index = current_index + 1

  next_note = all_notes[next_index]
  next_note = all_notes.first if next_note.blank?

  next_note
end