How can I push the items to an array field schema in mongodb?

Question

What im trying to do is to push the location and the status of the user in an array in a Schema. The reason I'm doing that is to store all the user locations in a schema(like a history location) When I create a location I use the method findOneAndUpdate().

controller/auth.js

exports.addLocation = asyncHandler(async (req, res, next) => {
  const {phone, locations, status} = req.body;

  const theLocation = await User.findOneAndUpdate(
    { phone },
    { locations, status },
    { new: false }
  )

  res.status(200).json({
      success: true,
      msg: "A location as been created",
      data: theLocation
  })
})

models/User.js

const UserSchema = new Schema({

  phone: {
    type: String,
    unique: true,
  },

  createdAt: {
    type: Date,
    default: Date.now
  },
  
  code: {
    type: Number,
    max: 4
  },

  fullName: {
    type:String
  },

  gender: {
    type:String
  },

  birthdate: {
    type:String
  },

  locations: [
    {
      location: {
        latitude: {type:Number},
        longitude: {type:Number},
      },

      status: {
        type: String
      },
    
      createdAt: {
        type: Date,
        default: Date.now,
      }
    }
  ],
});

So when a new item is stored, the previous one is deleted.

How can I save the previous item to another MongoDB field?

Zahid Cakici · Accepted Answer · 2022-06-02 09:50:22Z

1

You can use $push at your query like:

User.findOneAndUpdate(
    { phone: "0912341234" },
    {
        $push: {
            locations: {
                location: {
                    latitude: 10,
                    longitude: 10,
                },
                status: "online",
            },
        },
    },
    { new: true },
);

answered Jun 2, 2022 at 9:50

Zahid Cakici

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