我正在开发一个rails应用程序，它开始有很多模型。目前有15个，但我正在考虑再添加3-4个，作为类似“标签”的模型（我需要比Acts as Tagable提供的更多功能）。
所以，这让我有点恼火的原因是，15个模型中有7个属于一个共同的父模型。一些是belong_to，还有一些是has_and_bellong_to_many。我正在考虑的所有新车型都属于同一个家长。
所以，我想知道的是，组织这种情况的最佳“Railsy”方式是什么？
我应该/可以开始使用应用程序文件夹中的子文件夹吗？即：app/models/parent/child.rb？
我知道这是一个开放式的问题，但我真的很感激关于如何最好地处理模型激增的铁路项目的建议。
谢谢
你可以这样做，我总是这样做：）
只是要注意一些事情：如果你创建了一个文件夹，其中有你的一个模型的名称，它就会失败。实际上，Rails会认为您想要扩展它。
因此，在你的模型文件夹中，用你想要的任何花哨的东西为你的类名做准备。
示例：如果要放置与用户相关的模型，请将它们放在models/user_related/中
您必须将其添加到应用程序.rb文件中：
config.autoload_paths += Dir["#{Rails.root.to_s}/app/models/*"].find_all { |f| File.stat(f).directory? }
这将自动加载models目录中包含的所有文件夹。
我认为标题式的回答是个好方法
根据activesupport3.0.11的研究，在选择目录名时需要遵循一些规则：
Apneadiving s example of a directory name app/models/user_related works as long as a constant UserRelated is never used in your code. Otherwise a LoadError could potentially happen.
For example, assume there was a model called UserProfile and the first time rails sees the constant is in the UserRelated module. Rails will first try to load a UserRelated::UserProfile constant and failing that a UserProfile constant.
If the user_profile file is at app/models/user_related/user_profile.rb, this matches the underscored path of UserRelated::UserProfile and the file would be loaded expecting to define the UserRelated::UserProfile constant. This would raise the following error because it really defines the UserProfile constant.
Expected app/models/user_related/user_profile.rb to define UserRelated::UserProfile (LoadError)
这种情况发生在活动的支持依赖项代码中。
Another caveat is the directory name must be able turned into a valid ruby constant name (although to follow #1 the constant should be undefined). For example, if the directory name were app/models/user.related this would result in the following error inside the active_support dependency code:
wrong constant name User.related (NameError)
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