Exploring the structured hierarchy of subdocuments within nested arrays in MongoDB

I'm currently working on a query that needs to meet two criteria: matching a specific userID and also matching a range of IDs.

Here's an example of what a document might look like: https://i.sstatic.net/sIF3K.png

My approach involved using the find function to specify the userID, followed by utilizing MongoDB's $in operator to match a list of feature IDs.

  const featureIds = features.map(feature => feature._id)
    console.log(featureIds)
    const isFeatureExists = await this.userShopModel.find({
      userId,
      'items.feature': { $in: featureIds },
    })
    console.log(isFeatureExists)

I've also experimented with different versions of the aggregate method, but unfortunately haven't had any success yet.

If there are any MongoDB experts out there who could lend me a hand, I would greatly appreciate it!

javascriptmongodbmongooseaggregate

Answer №1

Utilize _id for filtering

const featureIds = features.map(feature => feature._id)
    console.log(featureIds)
    const isFeaturePresent = await this.userShopModel.find({
      _id : userId,
      'items.feature': { $in: featureIds },
    })
    console.log(isFeaturePresent)

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