How to implement validation using express-validator for the nested object

Question

I created a model as follow:

in the model "name", "commodityID", "totalAmount" are required, but notice commodity ID and totalAmount is part of an inner object "productDetails", and now I am using express-validator to do server-side validation as like this

this validation works for "name" fields which make sense but it doesn't work for the "totalAmount" and "commodityID" which are fields of an inner object, and it is the pics I took throw postman

may you guys show me the right way to solve this problem

lachie_h · Accepted Answer · 2021-09-24 09:34:23Z

15

for array i.e

productDetails: [
  {
    commodityID: {
      type: mongoose.Schema.Types.ObjectId,
      required: true,
      ref: "commodity",
    },
    perOnePrice: { type: String, required: true },
    totalAmount: { type: Number, required: true },
    
  },
],

use

[
 body('productDetails.*.commodityID').not().isEmpty()
 body('productDetails.*.perOnePrice').not().isEmpty()
 body('productDetails.*.totalAmount').not().isEmpty()
]

For nested object, lets suppose:

productDetails: {
    commodityID: {
      type: mongoose.Schema.Types.ObjectId,
      required: true,
      ref: "commodity",
    },
    perOnePrice: { type: String, required: true },
    totalAmount: { type: Number, required: true },      
  },

use

[
 body('productDetails.commodityID').not().isEmpty()
 body('productDetails.perOnePrice').not().isEmpty()
 body('productDetails.totalAmount').not().isEmpty()
]

edited Sep 24, 2021 at 9:34

lachie_h

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answered Apr 3, 2021 at 7:47

kob003

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Comments

Manjeet Singh · Accepted Answer · 2020-03-18 06:47:14Z

4

Use Wildcard * for nested Objects Read Here

   [
        check('name', " ").not().isEmpty()
        check('productDetails.commdityID', " ").not().isEmpty()
        check('productDetails.totalAmount', " ").not().isEmpty()
    ]

answered Mar 18, 2020 at 6:47

Manjeet Singh

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