Class: CodelessCode::Catalog

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/codeless_code/catalog.rb

Overview

The entire collection of fables available to the application from a given data directory.

Instance Method Summary collapse

Constructor Details

#initialize(root_dir) ⇒ Catalog

Returns a new instance of Catalog.

Parameters:

  • root_dir (Pathname) —

    A directory that contains Fable files



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# File 'lib/codeless_code/catalog.rb', line 23

def initialize(root_dir)
  @root_dir = root_dir
end

Instance Method Details

#fable_sets ⇒ Object 



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# File 'lib/codeless_code/catalog.rb', line 52

def fable_sets
  language_sets.flat_map(&:fable_sets)
end

#fables ⇒ Object 



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# File 'lib/codeless_code/catalog.rb', line 56

def fables
  fable_sets.flat_map(&:fables)
end

#fetch(lang) ⇒ LanguageSet

Parameters:

  • lang (Symbol)

Returns:



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# File 'lib/codeless_code/catalog.rb', line 39

def fetch(lang)
  if languages.include?(lang)
    LanguageSet.new(lang, root_dir: @root_dir)
  else
    raise LanguageSet::NotFoundError,
          format("No fables for language %p", lang)
  end
end

#language_sets ⇒ Object 



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# File 'lib/codeless_code/catalog.rb', line 48

def language_sets
  languages.map { |lang| LanguageSet.new(lang, root_dir: @root_dir) }
end

#languages ⇒ Enumerable<Symbol>

Returns the codes of all available languages.

Returns:

  • (Enumerable<Symbol>) —

    the codes of all available languages



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# File 'lib/codeless_code/catalog.rb', line 28

def languages
  @languages ||= @root_dir.glob('*-*')
                          .select(&:directory?)
                          .map { |dir| dir.basename.to_s.split('-').first }
                          .uniq
                          .map(&:to_sym)
                          .sort
end

#select(filter) ⇒ Object 



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# File 'lib/codeless_code/catalog.rb', line 60

def select(filter)
  fables.select { |fable| filter.call(fable) }.sort_by(&:number)
end