express-js-mongodb-promise-api

A simple api using express.js and mongodb with async/await

Requirements

• node.js (https://nodejs.dev/learn/making-http-requests-with-nodejs)
• express.js (https://expressjs.com/)
• mongodb (https://www.mongodb.com/try/download/community)
• mongodb native driver (https://github.com/mongodb/node-mongodb-native)
• Postman (optional for testing api)

Diagram

Components

• config (config.js)

  • configuration file

• server (server.js)

  • creates server and listens on a port 3000
  • defines routes and accepts requests (routes.js)

• controller

  • handles requests

• service (service.js)

  • handles business logic

• model

  • data

• dbContext (dbContext.js)

  • handles db connection

• database (mongodb community server)

  • mongodb database

Run

Run the following command from the root directory:

node .\server.js

Tests

Try the following urls in Postman.

• GetTasks (GET)

  • http://127.0.0.1:3000/gettasks

• GetTask (GET)

  • http://127.0.0.1:3000/gettask/1

• AddTask (POST)

  • http://127.0.0.1:3000/addtask
  • body -> raw, json
  • { "id" : "1", "name": "task1", "description": "task1", "priority": "low", "status": "none" }

• UpdateTask (POST)

  • http://127.0.0.1:3000/updatetask
  • body -> raw, json
  • { "id" : "1", "name": "task11", "description": "task11", "priority": "medium", "status": "started" }

• DeleteTask (POST)

  • http://127.0.0.1:3000/deletetask
  • body -> raw, json
  • { "id" : "1" }