update the nested array in mongodb using node js

Question

I need to update a particular element of the nested array in mongoDB

My mongoDB data looks like below. I need to match the value accessid and name to update the status. The input content has

{"accessid" : 1627047023995, "name" : Name 09, "status" : 100 }

The input content may belong to any level

  {
        "_id" : ObjectId("60fac46ffcbf5287248460a9"), 
        "levelone" : [ 
            {
                "level" : [ 
                    {
                        "name" : "Name 01",
                        "status" : 5
                    }, 
                    {
                        "name" : "Name 02",
                        "status" : 0
                    }, 
                    {
                        "name" : "Name 03",
                        "status" : 0
                    } 
                ], 
                "accessid" : "1627047023995" 
            }, 
            {
                "level" : [ 
                    {
                        "name" : "Name 09",
                        "status" : 5
                    }, 
                    {
                        "name" : "Name 15",
                        "status" : 3
                    } 
                ], 
                "accessid" : "1627047023995" 
            }
        ],
        "createdAt" : ISODate("2021-07-23T13:30:23.995Z") 
    }

I have tried to update the status, but it is updating only the first index value - name: Name 01 status. Please guide to resolve the issue.

collections.updateOne({
  'levelone.level.accessid': accessid,
  'levelone.level.name': name
}, { '$set': { 'levelone.$.level.status': status } }).exec();

Answer 1

you can use arrayFilters positional update,

• query with $elemMatch to filter the main document
• arrayFilters to define a variable for accessid and b for name

await collections.updateOne({
  levelone: {
    $elemMatch: {
      accessid: accessid,
      "level.name": name
    }
  }
},
{
  $set: {
    "levelone.$[a].level.$[b].status": status
  }
},
{
  arrayFilters: [
    { "a.accessid": accessid },
    { "b.name": name }
  ]
})

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