買い忘れ防止のためのメール通知スクリプト (使い切る前に買い時をお知らせ。特定の日にちサイクルで通知する)

okini-sample.rb

require 'date'
require 'mail'
require 'json'

notify_term = 7
buy_now_body = ""
yet_body = ""


File.open("item-list.json", "r+:UTF-8") do |f|
  f.each_line { |line|
    item = JSON.parse(line)

    case item["shop"]
    when "Amazon"
      shop_url = "https://www.amazon.co.jp/"
    when "Rakuten"
      shop_url = "https://www.rakuten.co.jp/"
    when "Yodobashi"
      shop_url = "https://www.yodobashi.com/"
    when "カインズ"
      shop_url = "http://www.cainz.com/shop/"
    when "サミット"
      shop_url = "(自分で買いに行ってね)"
    else
      shop_url = "(自分で調べてね)"
    end

    if Date.parse(item["updated_date"]) + item["cycle"] - notify_term < Date.today
      p "該当しました。 " + item["name"]
      buy_now_body <<  '- ' + item["name"] + ' を ' + item["shop"] + ' ' + shop_url + ' で買ってね。サイクル : ' + item["cycle"].to_s + ', 前
回購入日 : ' + item["updated_date"].to_s + "\n"
      # mail.deliver
    else
      display_item = "購入日まであと " + (item["cycle"] - (Date.today - Date.parse(item["updated_date"])).to_i).to_s + "日 : " + item["name"]
      yet_body << "\n" + display_item
      p display_item
    end
  }
end

# Mail Settings
mail = Mail.new do
  from     '(put your from email address'
  to       '(put your send email address)'
  subject  '[オキニ] 購入時期です'
  body     buy_now_body + "\n" + yet_body
end

options = {
  :address     => 'smtp.gmail.com',
  :port                  => 587,
  :domain                => 'gmail.com',
  :user_name             => '(put your from email address)',
  :password              => '(put your password)',
  :authentication        => :plain,
  :enable_starttls_auto  => true
}

mail.charset = 'utf-8'
mail.delivery_method(:smtp, options)

unless buy_now_body.empty?
  mail.deliver
  p "Mail sent!"
end