Class: Fretboard::Builder

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

Overview

rubocop:disable Metrics/ClassLength

Constant Summary collapse

DEFAULT_NUMBER_OF_FRETS =

fretboard.build fretboard.data fretboard.draw

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Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tuning, number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/fretboard/builder.rb', line 186

def initialize(tuning, number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  @tuning = tuning.upcase.to_sym
  @number_of_frets = number_of_frets

  @data = {}
end

Instance Attribute Details

#data ⇒ Object (readonly)

METHODS_NAMES = %i[

standard
tuning_a
open_a
drop_a
drop_a_sharp
drop_a_flat
tuning_b
open_b
drop_b
drop_b_flat
tuning_c
open_c
drop_c
tuning_d
open_d
open_d_minor
drop_d
double_drop_d
modal_d
open_e
tuning_f
open_f
tuning_g
open_g
open_g_minor
drop_g_sharp
modal_g

].freeze



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# File 'lib/fretboard/builder.rb', line 70

def data
  @data
end

Class Method Details

.double_drop_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 146

def self.double_drop_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:double_drop_d, number_of_frets)
end

.drop_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 90

def self.drop_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_a, number_of_frets)
end

.drop_a_flat(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 98

def self.drop_a_flat(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_a_flat, number_of_frets)
end

.drop_a_sharp(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 94

def self.drop_a_sharp(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_a_sharp, number_of_frets)
end

.drop_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 110

def self.drop_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_b, number_of_frets)
end

.drop_b_flat(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 114

def self.drop_b_flat(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_b_flat, number_of_frets)
end

.drop_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 126

def self.drop_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_c, number_of_frets)
end

.drop_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 142

def self.drop_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_d, number_of_frets)
end

.drop_g_sharp(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 178

def self.drop_g_sharp(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:drop_g_sharp, number_of_frets)
end

.modal_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 150

def self.modal_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:modal_d, number_of_frets)
end

.modal_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 182

def self.modal_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:modal_g, number_of_frets)
end

.open_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 86

def self.open_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_a, number_of_frets)
end

.open_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 106

def self.open_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_b, number_of_frets)
end

.open_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 122

def self.open_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_c, number_of_frets)
end

.open_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 134

def self.open_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_d, number_of_frets)
end

.open_d_minor(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 138

def self.open_d_minor(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_d_minor, number_of_frets)
end

.open_e(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 154

def self.open_e(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_e, number_of_frets)
end

.open_f(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 162

def self.open_f(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_f, number_of_frets)
end

.open_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 170

def self.open_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_g, number_of_frets)
end

.open_g_minor(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 174

def self.open_g_minor(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:open_g_minor, number_of_frets)
end

.standard(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object

METHODS_NAMES.each do |method_name|

define_method(method_name) do |number_of_frets = DEFAULT_NUMBER_OF_FRETS|
  new(method_name, number_of_frets)
end

end



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# File 'lib/fretboard/builder.rb', line 78

def self.standard(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:standard, number_of_frets)
end

.tuning_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 82

def self.tuning_a(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_a, number_of_frets)
end

.tuning_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 102

def self.tuning_b(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_b, number_of_frets)
end

.tuning_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 118

def self.tuning_c(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_c, number_of_frets)
end

.tuning_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 130

def self.tuning_d(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_d, number_of_frets)
end

.tuning_f(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 158

def self.tuning_f(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_f, number_of_frets)
end

.tuning_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS) ⇒ Object 



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# File 'lib/fretboard/builder.rb', line 166

def self.tuning_g(number_of_frets = DEFAULT_NUMBER_OF_FRETS)
  new(:tuning_g, number_of_frets)
end

Instance Method Details

#build(sharp_or_flat: :both) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/fretboard/builder.rb', line 193

def build(sharp_or_flat: :both) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  unless Fretboard::Tunings.exists?(@tuning)
    Fretboard::Console.danger("Unable to detect guitar tuning")
    return
  end

  tuning = Fretboard::Tunings.fetch(@tuning)
  strings = tuning[:STRINGS]
  number_of_strings = strings.size

  (1..number_of_strings).each do |string_number|
    # puts
    # puts "String: #{string_number}"
    # puts

    current_note = strings[string_number][:NOTE]

    @data[string_number] = {}

    # puts "Fret: 0 (#{current_note})"

    @data[string_number][0] = current_note

    (1..@number_of_frets).each do |fret|
      next_note = Fretboard::Note.next_for(
        current_note,
        sharp_or_flat: sharp_or_flat
      )

      # puts "Fret: #{fret} (#{next_note})"

      @data[string_number][fret] = next_note

      current_note = next_note
    end
  end

  # puts
  # puts 'done'
end

#draw(sharp_or_flat: :both) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/fretboard/builder.rb', line 234

def draw(sharp_or_flat: :both) # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  unless @data.any?
    Fretboard::Console.danger("Build the guitar fretboard data for drawing")
    return
  end

  headings = []
  rows = []

  @data.each_pair do |string_number, string_notes|
    row = []

    headings << "№"
    row << string_number

    headings << 0

    open_note = string_notes[0]

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

    row << open_note

    string_notes.except(0).each_pair do |fret, note|
      headings << fret
      row << note
    end

    rows << row
  end

  Fretboard::Console.print_table(headings.uniq, rows)

  nil
end