Using JavaScript to implement word filtering in MongoDB

I'm currently in the process of creating a chatbot designed to filter questions, and I'm seeking guidance on how to refine the search in my MongoDb based on user input.

At the moment, I have the following code:

I aim to retrieve all the results that match a word from the variable "words".

 let text = this.messageEvent.data.text

var words= text.split(" ")
this.fetchDataFromDataSource({ channel: this.channel, collectionName: "62a985781cd96396e4e1cba3_test", filter: {
   input:"$KeywordGroup1",
   
 } }).then((result) => {

            console.log(result)
  })

Here is what my database currently looks like:

I am aiming to filter the results based on the user input. For instance, if a user enters "price," then it should return 3 entries from the database. However, if the user enters any other word, it should not return anything.

I prefer not to use the "find" method as it could potentially return more than one entry with that keyword.

Thank you for your assistance!

javascriptmongodb

Answer №1

Do you think using elemMatch could be helpful for you?

db.collection.find({
  "data": {
    "$elemMatch": {
      "$eq": "price"
    }
  }
})

Explore the demo here.

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