Module: Mail2FrontMatter

Defined in:
lib/mail2frontmatter/parser.rb,
lib/mail2frontmatter/writer.rb,
lib/mail2frontmatter/version.rb,
lib/mail2frontmatter/watcher.rb,
lib/mail2frontmatter/preprocessor.rb,
lib/mail2frontmatter/configuration.rb

Overview

Holds configuration and nothing more

Defined Under Namespace

Classes: Parser, PreProcessor, Watcher, Writer

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/mail2frontmatter/configuration.rb', line 10

def config
  @config
end

.logger ⇒ Object 



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# File 'lib/mail2frontmatter/configuration.rb', line 6

def logger
  @logger
end

.set_config(passed_config = nil, &block) ⇒ Object 



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# File 'lib/mail2frontmatter/configuration.rb', line 14

def set_config(passed_config = nil, &block)
  # load config from file
  if passed_config.is_a?(String)
    @config = YAML.load_file(passed_config).deep_symbolize_keys!

  # load config from file at default data/mail2frontmatter.yml relative from run directory
  elsif passed_config.is_a?(NilClass)

    default_config = File.join(Dir.pwd, 'data', 'mail2frontmatter.yml')

    if File.exist?(default_config)
      @config = YAML.load_file(default_config).deep_symbolize_keys!
    else
      raise LoadError, 'no configuration given or found at ./data/mail2frontmatter.yml'
    end

  elsif passed_config.is_a?(Hash)
    @config = passed_config

  else
    raise ArgumentError, 'not a valid configuration type'
  end

  # setup logger, use provided location
  if @config[:log_file]
    @logger = Logger.new(@config[:log_file])

  # or a sensible default if non was provided
  elsif Dir.exist?(File.join(Dir.pwd, 'log'))
    @logger = Logger.new(File.join(Dir.pwd, 'log', 'mail2frontmatter.log'))

  # finally fallback onto STDOUT
  else
    @logger = Logger.new(STDOUT)
  end

  # set default for data directory unless already specified
  # the data directory is where the posts will be written to
  unless @config[:data_directory]
    # TODO
    # if middleman?
    @config[:data_directory] = File.join(Dir.pwd, 'source', 'blog')
    # elsif jekyll?
    # else
    # end
  end

  # set default for media directory unless already specified
  # the media directory is where the attachments will be saved to
  unless @config[:media_directory]
    # TODO
    # if middleman?
    @config[:media_directory] = File.join(Dir.pwd, 'source')
    # elsif jekyll?
    # else
    # end
  end

  # now we yield the config object in case the user would like to overwrite any defaults
  yield(@config) if block_given?

  # finally, if pre-processors were specified, we can try requiring them
  preprocessors = @config[:preprocessors] || []

  preprocessors.each do |processor|
    begin
      require "mail2frontmatter/#{processor[:key]}"
    rescue LoadError => e
      puts "could not require specified preprocessor '#{processor[:key]}.rb', no such file in load path. Check your configuration and try again \n\n"
      raise e
    end

    klass = "Mail2FrontMatter::#{processor[:key].underscore.camelize}".constantize.register(processor[:options] || {})
  end

end