我浏览了Ruby工具箱和网络，很好奇是否有人知道GEM for rails可以帮助您构建/创建预订系统（或教程）？类似于airbnb.com或expedia.com等常见预订网站。
跟踪To和From预订日期并显示可用性等的东西。我肯定你明白了。
谢谢你的帮助。
Here is a good tutorial building a simple schedule app. https://web-crunch.com/posts/lets-build-ruby-on-rails-event-scheduling-app-payments
Here is a gem to help manage unavailabilities. https://github.com/khiet/unavailability
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