app.js const express = require('express'); const app = express(); const hostname = '127.0.0.1'; const port = 3000; const path = require('path'); const bodyParser = require('body-parser'); app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: true })); app.use(express.urlencoded({ extended: false })); app.use(express.json()); app.use('/products', require('./Routes/products.js')); // Set EJS…
I have imported a huge database from csv to mongodb. It sadly imported every value as strings. I have more then 1000 fields and 1M documents. how can i change the type from ALL fieldvalues in ALL documents from string…
I have a mongo model like this:- var mongoose = require('mongoose'); const itemsModel = new mongoose.Schema({ _id: { type: String, }, userName: { type: String, required: true }, description: { type: String, required: false }, itemId: { type: String, required:…
I'm trying to find Users who logged in the last day. The userActivity field is an object on User. The userActivity object contains a field called hourly which is an array of dates. I want the find any users who's…
hello please any one can help me I need route for multiple reactions. this code is for one like but I need for many for example (like, love, heat,....) something like Facebook reactions and thank you. CODE: exports.likeAndUnlikePost = async…
hello i have a issue i build a project when i start to add the server side i am using node js express i create fetch post to spesific url from the database (mongoDB) and i want to add the…
Suppose a collection contains the following 3 documents: [ { "_id": 1, "prop": 1 }, { "_id": 2, "prop": 4 }, { "_id": 3, "prop": [1, 2, 3] } ] The query { $match: { prop: 1 } } returns…
I have grouped all the users by country, but I would also like to have a row showing the grand total (users are tagged to a single country in our use case). Data Model / Sample Input The collection is…
I have an array of objects as: { id: '1582715', email: '[email protected]', isUsed: false }, and I have many documents in MongoDB with same keys. Before writing new array of objects in BD, I want to check does objects of…
Documents { color: 'red', value: { red: { level1: { level2: 5 }}}} { color: 'blue', value: { blue: { level1: { level2: 8 }}}} How to aggregate the values of value.red.level1.level2 and value.blue.level1.level2? The keys red and blue come…