如何在猫鼬中将 ObjectId 作为请求正文发布？答案

【问题标题】：How do I post ObjectId as request body in mongoose?如何在猫鼬中将 ObjectId 作为请求正文发布？
【发布时间】：2022-09-28 03:01:27
【问题描述】：

我想做的是为特定商店创建订阅。我已经从不记名令牌中获取了店主 ID，我只需要将商店 ID 传递到 db 文档中。当我在猫鼬中将 shop_id 作为请求正文发送时，出现以下错误：

reason: CastError: Cast to ObjectId failed for value \"{
    subscription: {
      title: \'Shaving\',
      sub_type: \'normal\',
      subscribers: [],
      status: \'active\',
      unit_price: 250,
      monthly_units: 0,
      total_units: 0,
      total_amount: 0,
      shop_id: new ObjectId(\"6331936ee4e905ef38770cca\"),
      _id: new ObjectId(\"6331afa812cf6caff2a7c953\"),
      createdAt: 2022-09-26T13:56:56.376Z,
      updatedAt: 2022-09-26T13:56:56.376Z,
      __v: 0
    }
  }\" (type Object) at path \"subscriptions\"
      at ObjectId.cast (C:\\Users\\Micholusanya\\Documents\\codes\\barbify-

这是我的模型：

    title: {
        type: String,
        required: true
    },
    sub_type: {
        type: String,
        enum: [\'vvip\', \'vip\', \'normal\', \'student\'],
        default: \'normal\'
    },
    subscribers: [
        {
            type: Schema.Types.ObjectId,
            ref: \"User\"
        }
    ],
    status: {
        type: String,
        enum: [\"active\", \"disabled\"],
        default: \"active\"
    },
    unit_price: {
        type: Number,
        default: 0
    },
    monthly_units: {
        type: Number,
        default: 0
    },
    total_units: {
        type: Number,
        default: 0
    },
    total_amount: {
        type: Number,
        default: 0
    },
    shop_id: {
        type: Schema.Types.ObjectId,
        ref: \"Shop\"
    }

路线是：

router.post(\'/\', passport.authenticate(\'jwt\'), async (req, res) => {
    const userId = req.user._id;
    // req.body.user_id = userId;

    //check if user
    const user = await User.findById(userId);

    //check shops
    const shop = await Shop.findById(req.body.shop_id);

    console.log(\'Shop\', shop);

    const subscription = await Subscription.create({
        title: req.body.title,
        unit_price: req.body.unit_price,
        shop_id: shop._id,
    });
    subscription.save();
    await Shop.findByIdAndUpdate(req.body.shop_id, {
        $push: { subscriptions: { subscription } },
    });
    res.status(201).send({
        status: \'success\',
        message: \'Subscription Created Successfully\',
        data: subscription,
    });
});

店铺架构：

  photo: {
    type: String,
    required: true,
  },
  name: {
    type: String,
    required: true,
  },
  address: {
    type: String,
    required: true,
  },
  city: {
    type: String,
  },
  state: {
    type: String,
  },
  country: {
    type: String,
  },
  shop_phone: {
    type: String,
    required: true,
  },
  status: {
    type: Boolean,
    default: false,
  },
  income: {
    type: Number,
    default: 0,
  },
  withdrawal: {
    type: Number,
    default: 0,
  },
  shop_type: {
    type: String,
    enum: [\'vvip\', \'vip\', \'normal\', \'student\'],
    default: \'normal\'
},
  subscriptions: [
    {
      type: Schema.Types.ObjectId,
      ref: \"Subscription\",
    },
  ],
  transactions: [
    {
      type: Schema.Types.ObjectId,
      ref: \"Transaction\",
    },
  ],
  subscribers: [
    {
      type: Schema.Types.ObjectId,
      ref: \"User\",
    },
  ],
  subscriberslength: {
    type: Number,
    default: 0,
  },
  user_id: {
    type: Schema.Types.ObjectId,
    ref: \"User\",
  },
});

你可以添加req.body.shop_id 的值吗？
我已经注释掉了。它不再在那里做任何工作，因为我实际上需要 shop_id 而不是 user_id
好的，我问req.body.shop_id。另外这条线是不必要的subscription.save();
好的。我将删除subscription.save()，但它还没有解决它。 req.body.shop_id 返回一个字符串6331936ee4e905ef38770cca。
您还可以在问题中添加商店模式代码吗？

标签： javascript node.js mongodb express mongoose

【解决方案1】：

您正在尝试将整个订阅对象推送到商店中的订阅数组，尝试仅推送订阅的 id。

您也可以发布“商店”模型吗？

【讨论】：

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