class CurriculumGenerator::Curriculum

Attributes

compiler[RW]
data_loader[RW]
data_pth[RW]
langs[RW]
master_lang[RW]

Public Class Methods

new(data_loader, compiler, data_pth, template_pth, langs=[], master_lang=nil) click to toggle source
# File lib/curriculum-generator/curriculum.rb, line 6
def initialize(data_loader, compiler, data_pth, template_pth, langs=[], master_lang=nil)
  # Preconditions
  raise 'Invalid langs. It cannot be empty' if langs.empty?

  @data_loader = data_loader
  @compiler = compiler
  @langs = {}
  # If the master language is not provided, then defaults to the first
  # provided language.
  @master_lang = master_lang.nil? ? langs[0] : master_lang

  @data_pth = data_pth
  @template_pth = template_pth

  puts "> Picking up the available languages.".green

  langs.each do |lang|
    lang_data_pth = @data_pth.join(lang.to_s)

    inst = self
    Either.chain do
      bind -> { lang_data_pth.directory? }
      bind -> {
        lang_data = inst.data_loader.load_data(
            inst.data_pth, lang.to_sym, inst.master_lang.to_sym)
        lang_data.is_a?(Hash) ? Success(lang_data) : Failure("lang data")
      }
      bind ->(lang_data) {
        inst.langs[lang.to_sym] = { data: lang_data }
      }
    end
  end
end

Public Instance Methods

compile(langs) click to toggle source

Compile the curriculum for the provided languages.

# File lib/curriculum-generator/curriculum.rb, line 45
def compile(langs)
  puts ">> Compiling the curriculum for the languages: " \
       "`#{langs.join(" ").light_black}`.".green

  # TODO: Refactor into monads, with better error detection.
  if langs.respond_to?(:each)
    langs.each do |lang|
      lang = lang.to_sym
      @compiler.compile(@langs[lang][:data], @template_pth, lang)
    end
  elsif @langs.include? langs
    @compiler.compile(@langs[lang][:data], @template_pth, langs)
  else
    raise "Invalid language."
  end
end
validate_deps(template_deps_file_pth) click to toggle source
# File lib/curriculum-generator/curriculum.rb, line 40
def validate_deps(template_deps_file_pth)
  @compiler.validate_deps template_deps_file_pth
end