MongoDB perform $match with two input array values? - arrays

Question

In MongoDB, I am trying to write a query where I have two input array Bills, Names where the first one contains billids and the second one contains names of the person. Also in reality Bills at index i and Names at index i is the actual document which we want to search in MongoDB.
I want to write a query such that Bills[i] = db_billid && Names[i] = db_name which means I want to return the result where at a particular index both billid and name matches.
I thought of using $in but the thing is I can apply $in in Bills but I don't know at which index that billid is found.
{ $and: [{ billid: { $in: Bills } }, {name: Names[**index at which this bill is found]}] }
Can anyone please help me how can I solve this ??
MongoDB Schema
var transactionsschema = new Schema({
transactionid: {type: String},
billid: {type: String},
name: {type: String}
});
Sample documents in MongoDB
{ _id: XXXXXXXXXXX, transactionid: 1, billid : bnb1234, name: "sudhanshu"}, { _id: XXXXXXXXXXX, transactionid: 2, billid : bnb1235, name: "michael"}, { _id: XXXXXXXXXXX, transactionid: 3, billid : bnb1236, name: "Morgot"}
Sample arrays
Bills = ["bill1", "bill2", "bill3"], Names = ["name1", "name2", "name"]
Edit - If $in can work in array of objects then I can have array of object with keys as billid and name
var arr = [{ billid: "bill1", "name": "name1"}, {billid: "bill2", "name": "name2"}, {billid: "bill3", "name": "name3"}]
But the thing is then how can put below query
{ $and: [{ billid: { $in: arr.Bills } }, {name: arr.Names}] }

Answer 1

Knowing that bills are unique but names may have duplicates you can use $indexOfArray to get index of matching bill and then use that index to compare names array at evaluated index (using $arrayElemAt to retrieve value). Also you have to check if value returned by $indexOfArray is not equal to -1 (no match)
var bills = ["bnb1234", "bnb1235"];
var names = ["sudhanshu", "michael"];
db.col.aggregate([
{
$match: {
$expr: {
$and: [
{ $ne: [{ $indexOfArray: [ bills, "$billid" ] }, -1] },
{ $eq: ["$name", { $arrayElemAt: [ names, { $indexOfArray: [ bills, "$billid" ] } ] }] },
]
}
}
}
])
alternatively $let can be used to avoid duplication:
db.col.aggregate([
{
$match: {
$expr: {
$let: {
vars: { index: { $indexOfArray: [ bills, "$billid" ] } },
in: { $and: [ { $ne: [ "$$index", -1 ] }, { $eq: [ "$name", { $arrayElemAt: [ names, "$$index" ] }] }]}
}
}
}
}
])