将用户与 Rails 中的嵌套模型关联
我刚刚使用 Authlogic 和 CanCan 将用户添加到我的应用程序中。我只是有一个关于将用户与其他模型关联的最佳实践的快速问题。
我有 3 个模型，它们相互嵌套，具有一对多关联，如下所示：
SENTENCE > >字数>字母
所以一个句子有很多单词，一个单词有很多字母。我只是想知道是否需要将用户与句子或单词和字母相关联。
因此，用户应该只有很多句子，还是应该也有很多单词和字母。我的应用程序的设置方式，你不能创建没有句子的单词，也不能创建没有单词的字母 - 所以我很困惑是否真的需要将嵌套模型与用户相关联 - 谢谢！
I just added users to my app using Authlogic and CanCan. I just have a quick question about best practices for associating users to my other models.
I have 3 models that are nested within each other with one-to-many associations like this:
SENTENCE > WORD > LETTER
So a sentence has many words, and a word has many letters. I am just wondering if I need to associate users with just the SENTENCE or with WORDS and LETTERS too.
So should a user just have many sentences, or should they also have many words and many letters too. The way my app is set up, you can't create words without sentences and you can't create letters without words - so I was confused if I really needed to associate the nested models with the user or not - thanks!
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不。似乎没有必要将 user_id 外键添加到单词或字母模型中。您还可以使用 through 修饰符通过连接模型创建关联。
No. It would seem unnecessary to add a user_id foreign key to the word or letter model. You can also use the through modifier to create an association through joined model.