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Contents
require 'coltrane/ui/views/show_scale'
module Coltrane
module UI
module Views
class FindChordsInScale < ShowScale
questions({
chord_type: {
statement: 'Which kind of chords?',
options: ['tertian', 'all']
},
chord_size: {
statement: 'What is the size of the chords',
options: (3..7).to_a.map(&:to_s)
},
chord_representation: {
statement: 'How do you wanna see this',
options: Commands::AvailableChordRepresentations.run
},
representation: nil
})
def render
scale = Commands::GetClassicScale.run(*params.values_at(:scale, :tone))
chords = Commands::GetChordsFromScale.run(
scale,
*params.values_at(:chord_type, :chord_size)
)
Commands::GetRepresentationChords.run(params[:chord_representation], chords)
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems