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Hello,
I have been looking for a solution to my problem, which I will mention below, but I still haven’t found the right way to solve it, the solutions I find usually update the whole array rather than some specific elements.
Problem:
const user = await Users.getById(userID); // Um documento da coleção
for (let item of items) {
const index = user.inventory.findIndex(element => element.id == item.id);
if (index > -1) {
user.inventory[index].quantity += item.quantity;
} else {
user.inventory.push(item);
}
}
user.markModified('inventory');
await user.save();
I want to make only one request to the database and not two as my code is currently doing, one request to get the document and another to save.
Thanks for the reply, but I’m already familiar with these methods, however I could not find any Operator query in the documentation of Mongo for my process.
– Pedro Pinto
$set does not suit?
– wkrueger