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Versions: 11
Compression:
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Contents
# An *InstrumentFamily* is a species of instrument
# that may exist in a variety of keys or other variations.
# For example, _saxophone_ is an instrument family, while
# _alto saxophone_ and _baritone saxophone_ are specific instruments.
class HeadMusic::InstrumentFamily
include HeadMusic::Named
INSTRUMENT_FAMILIES =
YAML.load_file(File.expand_path("data/instrument_families.yml", __dir__)).freeze
attr_reader :name_key, :classification_keys, :orchestra_section_key
attr_accessor :name
def self.get(name)
result = get_by_name(name) || get_by_name(key_for_name(name))
result || new(name)
end
def self.all
@all ||=
INSTRUMENT_FAMILIES.map { |key, _data| get(key) }.sort_by(&:name)
end
private_class_method :new
private
def initialize(name)
record = record_for_name(name)
if record
initialize_data_from_record(record)
else
self.name = name.to_s
end
end
def record_for_name(name)
record_for_key(HeadMusic::Utilities::HashKey.for(name)) ||
record_for_key(key_for_name(name))
end
def key_for_name(name)
INSTRUMENT_FAMILIES.each do |key, _data|
I18n.config.available_locales.each do |locale|
translation = I18n.t("head_music.instruments.#{key}", locale: locale)
return key if translation.downcase == name.downcase
end
end
nil
end
def record_for_key(key)
INSTRUMENT_FAMILIES.each do |name_key, data|
return data.merge!("name_key" => name_key) if name_key.to_s == key.to_s
end
nil
end
def initialize_data_from_record(record)
@name_key = record["name_key"].to_sym
@orchestra_section_key = record["orchestra_section_key"]
@classification_keys = record["classification_keys"] || []
self.name = I18n.translate(name_key, scope: "head_music.instruments", locale: "en", default: inferred_name)
end
def inferred_name
name_key.to_s.tr("_", " ")
end
end
Version data entries
11 entries across 11 versions & 1 rubygems