Todo Backend

This project aims to create todo app implementations demonstrating basic CRUD (create, read, update, delete) operations on several backend programming languages.

Inspired by TodoMVC, I created this project with the aim of learning new programming languages in a fun way. Simple enough, but still teaches the fundamentals of backend development.

• JavaScript (Node.js)
• Java (Spring Boot)
• TypeScript
• Ruby
• Go
• PHP
• Rust
• C/C++
• Scala
• Swift
• Python
• Ruby

...and many more in the future.

The app, no matter the backend, will connect only into a single MongoDB database and will access the same set of data.

Screenshot

Setup

• Make sure that you have MongoDB installed in your system.
• Run ./db/start.sh to start the local MongoDB server.
• Check out the frontend documentation for instructions on how to prepare the frontend so that it can be served by the backend code of the language of your choosing.
• Choose a backend language in backend you want
• Let's rock!

API

A Todo is an object that will have the following data:

• ObjectID _id acts as the primary key
• String task describes what the Todo is about
• Boolean done marks the when the Todo is done

The frontend and backend should use the following endpoints:

• GET /todos
  • Gets all Todos
  • Does not require anything
  • Returns an array of Todos
• POST /todos
  • Create a new Todo
  • Requires Todo data
  • Returns new Todo with the generated _id
• PUT /todos/{_id}
  • Updates an existing Todo
  • Requires Todo data and _id to be passed on the URL
  • Returns a Todo with the updated data (_id is immutable)
• DELETE /todos/{_id}
  • Deletes a Todo
  • Requires _id to be passed on the URL
  • Returns a JSON object displaying the number of deleted Todos, in this case, only 1 ({ deleted: 1 })
• DELETE /todos
  • Deletes all Todos that are marked done
  • Does not require anything
  • Returns a JSON object displaying the number (n > -1) of deleted Todos ({ deleted: n > -1 })

Author

© Vincent John Cagay

• https://vjca.gay
• https://vjcagay.com