Class: Bbiff::Executable

Inherits:
Object
  • Object
show all
Defined in:
lib/bbiff/executable.rb

Defined Under Namespace

Classes: LineIndicator, UsageError

Constant Summary collapse

RETRY_INTERVAL_SECONDS = 
3

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Executable

Returns a new instance of Executable.



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# File 'lib/bbiff/executable.rb', line 76

def initialize
  @settings  = Settings.new
end

Instance Method Details

#get_board_settings(board) ⇒ Object 



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# File 'lib/bbiff/executable.rb', line 94

def get_board_settings(board)
  return board.settings
rescue Bbs::Downloader::DownloadFailure => e
  STDERR.puts "Warning: 以下の場所から掲示板の設定が取得できませんでした。(#{e.response.message})"
  STDERR.puts board.settings_url
  return {'BBS_TITLE'=>'＜不明＞'}
end

#main ⇒ Object 



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# File 'lib/bbiff/executable.rb', line 163

def main
  if ARGV.include?('-h') || ARGV.include?('--help')
    raise UsageError
  end

  if ARGV.size < 1 && !@settings.current['thread_url']
    raise UsageError
  elsif ARGV.size < 1
    url = @settings.current['thread_url']
  else
    url = ARGV[0]
  end

  begin
    thread = Bbs::create_thread(url)
    @settings.current['thread_url'] = url
  rescue Bbs::Downloader::DownloadFailure => e
    STDERR.puts "#{e.response.code} #{e.response.msg}: #{e.response.uri}"
    exit 1
  rescue => e
    STDERR.puts e.message
    exit 1
  end
  if thread.nil?
    STDERR.puts "スレッドのURLとして解釈できませんでした。(#{url})"
    exit 1
  end

  start_no = ARGV[1] ? ARGV[1].to_i : thread.last + 1
  start_polling(thread, start_no)
rescue UsageError
  usage
  exit 1
ensure
  @settings.save
end

#parse_range(str) ⇒ Object 



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# File 'lib/bbiff/executable.rb', line 80

def parse_range(str)
  if str == "all"
    1..Float::INFINITY
  elsif str =~ /^\d+$/
    str.to_i..str.to_i
  elsif str =~ /^\d+-$/
    str.to_i..Float::INFINITY
  elsif str =~ /^(\d+)-(\d+)$/
    $1.to_i..$2.to_i
  else
    fail ArgumentError
  end
end

#start_polling(thread, start_no) ⇒ Object 



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# File 'lib/bbiff/executable.rb', line 104

def start_polling(thread, start_no)
  out = LineIndicator.new
  begin
    delay = @settings.current['delay_seconds']
    board_settings = get_board_settings(thread.board)
    thread_stop = (board_settings['BBS_THREAD_STOP'] || '1000').to_i

    puts "#{board_settings['BBS_TITLE']} − #{thread.title}(#{thread.last})"
    puts "    #{@settings.current['thread_url']}"

    loop do
      out.set_line "#{thread.title}(#{thread.last}) 新着レス確認中"

      thread.posts(parse_range("#{start_no}-")).each do |post|
        out.puts "-----"
        puts render_post(post)

        system(@settings.current['bbiff_show'],
               thread.title, post.to_s)

        sleep 1
      end

      start_no = thread.last + 1
      if start_no > thread_stop
        out.puts "スレッドストップ"
        break 
      end

      delay.times do |i|
        j = i + 1
        out.set_line "#{thread.title}(#{thread.last}) 待機中 [#{'.'*j}#{' '*(delay - j)}]"
        sleep 1
      end
    end
  ensure
    out.close
  end
rescue Interrupt
  STDERR.puts "ユーザー割り込みにより停止"
rescue => e
  STDERR.print "Error: "
  STDERR.puts e.message
  STDERR.puts e.backtrace if $DEBUG
  STDERR.puts "#{RETRY_INTERVAL_SECONDS}秒後にリトライ"
  sleep RETRY_INTERVAL_SECONDS
  start_polling(thread, start_no)
end

#usage ⇒ Object 



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# File 'lib/bbiff/executable.rb', line 153

def usage
  STDERR.puts "Usage: bbiff [http://jbbs.shitaraba.net/bbs/read.cgi/CATEGORY/BOARD_ID/THREAD_ID/] [START_NUMBER]"
  
  STDERR.puts <<"EOD"

Bbiff version #{Bbiff::VERSION}
Copyright © 2016-2019 Yoteichi
EOD
end