module ContentDirectory

# File lib/content_directory.rb, line 19
def self.find(path=nil)
  result = {}
  valid_entry_extensions = %w(.md .markdown .txt .text)
  valid_entry_extensions_regex = /.*(#{valid_entry_extensions.join('|\\').prepend('\\')})$/i

  begin
    entries = Dir.entries "#{root}/#{path}"
  rescue Exception => e
    return nil
  end

  entries.reject! do |entry|
    entry[0] == "." || entry.include?(".") && !entry.match(valid_entry_extensions_regex)
  end

  entries.each do |entry|
    if entry.include? "."
      result[entry.split(".")[0]] = Entry.new "#{path}/#{entry}"
    else
      result[entry] = find("#{path}/#{entry}")
    end
  end

  return result
end

# File lib/content_directory.rb, line 9
def self.root
  if @root
    @root
  elsif defined? Rails
    "#{Rails.root}/content"
  else
    "content"
  end
end

# File lib/content_directory.rb, line 5
def self.root=(path)
  @root = path
end