学食のメニュー取得するやつ

citmenu.rb

#!env ruby
# -*- coding: utf-8 -*-

# Copyright (C) 2013 Jun SAITO <jsaito@xopowo.info>
#
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this.  If not, see <http://www.gnu.org/licenses/>.

require 'pebbles/citlunch'
require 'nkf'
require 'methadone'

include Methadone::Main
include Methadone::CLILogging

places = {
  'tsuda' => [:tsuda_dining, "津田沼学生食堂"],
  'shiba' => [:shiba_dining, "芝園学生食堂"],
  'marin' => [:shiba_kissa, "芝園喫茶マリン"]
}

main do
  date = Date.today + options[:after] - options[:before]
  place = places[options[:place]]
  raise ArgumentError.new("Error: 引数が不正です．") unless place

  menus = CITLunch.get(place[0], date)

  if menus == nil
    puts "Error: メニューがありませんでした．"
    exit 1
  end

  WIDTH = 25
  puts "# " + place[1]
  menus.each do |menu|
    header = "<#{menu.name}>"
    padding = WIDTH - count_chars(header)
    print "#{header}#{" " * padding}#{menu.price}円  "
    puts "#{menu.details.join(", ")}"
  end

end

description "工大ランチのメニュー情報を取得して表示します．"

# defaults
options[:place] = 'tsuda'
options[:after] = options[:before] = 0

on("-p tsuda|shiba|marin", "--place", "どこのメニューを表示するかを指定します．") do |place|
  options[:place] = place
end

on("-a N", "--after", "N日後のメニューを取得します．") do |after|
  options[:after] = after.to_i
end

on("-b N", "--before", "N日前のメニューを取得します．") do |before|
  options[:before] = before.to_i
end

# monkey patch for convert hankaku-kana to zenkaku-kana
module CITLunch
  class Menu
    def to_zenkana(str)
      NKF::nkf("-Xw", str)
    end

    def name
      to_zenkana(@name)
    end

    def details
      @details.map {|s| to_zenkana(s)}
    end
  end
end

def count_chars(str)
  str.encode("Shift_JIS").bytes.entries.size
end

go!

インストール

先に依存するGem入れてください．

$ gem install pebbles-citlunch -v '0.0.2'
$ gem install methadone -v '1.2.4'

あとはダウンロードしたスクリプトをcitmenu等の名前で保存して実行属性つけてください．

使い方な

Usage: citmenu [options]

工大ランチのメニュー情報を取得して表示します．

Options:
    -h, --help                       Show command line help
    -p, --place tsuda|shiba|marin    どこのメニューを表示するかを指定します．
                                     (default: tsuda)
    -a, --after N                    N日後のメニューを取得します．
                                     (default: 0)
    -b, --before N                   N日前のメニューを取得します．
                                     (default: 0)