Remove a specific nested object from an array of objects

Question

I need to remove a specific object that is nested inside an array of objects.

The following db structure looks like:

imd

I would like to remove one of the teams based on the roomId (to find the specific room) and based on the team approved state. If a team has "approved: false" it needs to be deleted from the array of objects.

I'm using mongoose and came up with the following, but without succes:

     Room.update({"roomId": req.params.roomId},
        {"$pull": { "teams.approved": false } })

screenshot thats shows the correct roomId:

The answers of Nicolas Maties and mickl are correct, it might be req.params.roomId giving you a bad value, console.log(req.params.roomId) and make sure it has a value — Asaf Aviv
– Asaf Aviv, Commented Jun 19, 2019 at 10:14
it does have a value and its the correct roomId, Look at the screenshot above in the post — juju
– juju, Commented Jun 19, 2019 at 10:16

mickl · Accepted Answer · 2019-06-19 12:20:05Z

1

The array name and equality condition should be specified separately like in this example, try:

await Room.update({"roomId": req.params.roomId}, {"$pull": { "teams": { approved: false } } })

edited Jun 19, 2019 at 12:20

answered Jun 19, 2019 at 9:58

mickl

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4 Comments

juju Over a year ago

I've tried the above, it doesn't work unfortunately

mickl Over a year ago

@Krelis could you check if req.params.roomId has expected value and type ?

juju Over a year ago

it does, see screenshot above in the initial post.

mickl Over a year ago

@Krelis I don't see any callback / await in your code, possibly that can be the problem, could you check that ?

Nicolae Maties · Accepted Answer · 2019-06-19 10:07:37Z

0

Room.updateOne({ roomId: req.params.roomId}, {"$pull": { "teams": { approved: false } } })

This might work for your case.

answered Jun 19, 2019 at 10:07

Nicolae Maties

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Comments

philoez98 · Accepted Answer · 2019-06-19 10:23:08Z

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I think something like this should work:

Room.find({roomId: 1234}).then((result) => {
if (result) {
 return Room.remove({result.teams.approved: false})
 } 
} ).catch()

You still need to first find all results matching the roomId number and then removing the teams based on approved. There are probably better ways to handle this but I think it's a fair approach.

edited Jun 19, 2019 at 10:23

answered Jun 19, 2019 at 10:01

philoez98

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1 Comment

juju Over a year ago

TypeError: result.remove is not a function

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