i'm kinda new at develping apps with nodejs and mongoose, i'm trying to update an array of numbers by modifying a single value inside it but i can't find the correct way to do it. this is the document: {…
I have 1000 questions (each as a document) in questionBank collection. Each question has its own document-id, a subject key (s1, s2, s3, s4, ... ,s10) and difficult key (easy, medium, hard). My objective is to fetch exactly 15 questions…
I am trying to learn Node.JS from scratch. I am trying to connect index.js to MongoDB compass when I get the error: MongooseServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017 at _handleConnectionErrors (/mnt/c/Users/user/Desktop/Programming/website/learningNode/mongoose/node_modules/mongoose/lib/connection.js:897:11) at NativeConnection.openUri (/mnt/c/Users/user/Desktop/Programming/website/learningNode/mongoose/node_modules/mongoose/lib/connection.js:848:11) { reason: TopologyDescription { type: 'Unknown', servers: Map(1)…
This is the user snippet const mongoose = require('mongoose'); const userSchema = new mongoose.Schema({ name: { type: String, required: true }, lastName: { type: String, required: true }, email: { type: String, required: true, unique: true }, password: { type:…
I have retrieved one document from mongodb, in that I have one array and I want to loop through that array but I can't do that. If I loop through that it consider whole array as one element, this is…
I have 3 collections(User, Credit and Status). Every User have 1 Credit data and Many Status Data like this: Users Document [ { "_id": ObjectId("669fbce1704d41e9040cbb41"), "Name": "First User" }, { "_id": ObjectId("669fbce1704d41e9040cbb42"), "Name": "Second User" }, { "_id": ObjectId("669fbce1704d41e9040cbb43"), "Name":…
I have this schema: const User = new Schema({ firstName: { type: String, required: true }, lastName: { type: String, required: true }, mobile: { type: Number, required: true }, email: { type: String, required: true }, roles: { type:…
I have to check a Boolean flag and base on its condition return different data result. for example I have a collection of books and their prices, normal result of query is prices matching 10, BUT IF showAll flag is…
in index.js, const express = require("express") const mongoose = require("mongoose") const cors = require("cors") const CustomerModel = require('./models/Customer') const app = express() app.use(express.json()) app.use(cors()) mongoose.connect("mongodb://localhost:27017/customer") app.post("/login", (req, res) => { const {email, password} = req.body CustomerModel.findOne({email: email}) .then(user => {…
I have a Project entity (projects collection). Each Project belongs to an organization represented by Project.orgId and has an author Project.author taken from users collection. I want to query the projects that belong to an organization using Mongoose, and here's…