如何从模型的数组中删除特定项目?

问题描述

这是我的带有 watched 和 watchLater 数组的用户模型:

This is my user model with watched and watchLater arrays:

const UserSchema = new mongoose.Schema(
  {
    email: { type: String, required: true, unique: true },
    watched: [{ type: Number }],
    watchLater: [{ type: Number }],
  },
  { timestamps: true },
)

我有这个功能，我想从 watchLater 中删除 id 并添加到 watched:

I have this function where I want to remove id from watchLater and add to watched:

  async addToWatched(id) {
    const _id = this.getUserId()
    return await this.store.User.findByIdAndUpdate(
      { _id },
      // remove id from watchLater and add to watched,
      { new: true },
    )
  }

我该怎么做?

推荐答案

阅读了一些文档.这似乎有效:

Been reading docs a bit. This seems to work:

return await this.store.User.findByIdAndUpdate(
  { _id },
  // remove id from watchLater and add to watched,
  { $pull: { watchLater: id }, $addToSet: { watched: id } },
  { new: true },
)

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