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Sprint Challenge: Advanced Web Applications - React Bubbles

This challenge allows you to practice the concepts and techniques learned over the past Sprint and apply them in a concrete project. This Sprint explored Advanced Web Applications, focusing on testing, client-side authentication, hosting web apps, and PUT and DELETE requests.

Instructions

Read these instructions carefully. Understand exactly what is expected before starting this Sprint Challenge.

This is an individual assessment. All work must be your own. Your challenge score is a measure of your ability to work independently using the material covered through this sprint. You need to demonstrate proficiency in the concepts and objectives introduced and practiced in preceding days.

You are not allowed to collaborate during the Sprint Challenge. However, you are encouraged to follow the twenty-minute rule and seek support from your PM and Instructor in your cohort help channel on Slack. Your work reflects your proficiency ReactJS Fundamentals and your command of the concepts and techniques in the Function Components and Class Components.

You have three hours to complete this challenge. Plan your time accordingly.

Commits

Commit your code regularly and meaningfully. This helps both you (in case you ever need to return to old code for any number of reasons and your project manager).

Description

In this project you will create a login page and request a token from the server that you'll use to send all other requests to the server. You will then be able to fetch the color data array, update data, and delete data, and watch the fun happen!

Note You can use the sites like the following to get color hex codes:

Self-Study/Essay Questions

Demonstrate your understanding of this Sprint's concepts by answering the following free-form questions. Edit this document to include your answers after each question. Make sure to leave a blank line above and below your answer so it is clear and easy to read by your project manager.

  • Explain what a token is used for.

    A token is used by a server to confirm whether it has valid credentials for a user who is trying to access services offered by the server.

  • What steps can you take in your web apps to keep your data secure?

      - Don't store passwords in plaintext
  - Ensure tokens have an expiration date

  • Describe how web servers work.

    A web server is a dedicated computer that serve's webpages depending on client requests using HTTP/HTTPs. Web servers have particular resources that can be accessed by specifying the resource paths in the URL, the web server then validates the request and if it is valid then sends a response to the client that is often a browser.

  • Which HTTP methods can be mapped to the CRUD acronym that we use when interfacing with APIs/Servers. C - Create, POST request R - Read, GET request U - Update, PUT request D - Delete, DELETE request

Project Set Up

Follow these steps to set up and work on your project:

  • Create a forked copy of this project.
  • Add PM as collaborator on Github.
  • Clone your OWN version of Repo (Not Lambda's by mistake!).
  • Create a new Branch on the clone: git checkout -b <firstName-lastName>.
  • Implement the project on this Branch, committing changes regularly.
  • Push commits: git push origin <firstName-lastName>.
  • RUN yarn install or npm install at the root to retrieve all the dependencies for the node server. You will not need to create any react apps here nor will you need to install any other dependencies. You should have all you need in this repo.
  • LOOK at all the files you've been given for this project. One important file to note is server.js. This file contains an API that you are going to be interfacing with. Below is documentation on how to interact with the API.
  • RUN yarn start or npm start to get your API up and running on http://localhost:5000. This is the URL you're going to need to use within your React app in order to make AJAX requests for data.
  • LOOK at your client directory and notice it's just a plain ol' React App that we've built using create-react-app.
  • cd into client and run yarn install or npm install to retrieve the client side dependencies.
  • RUN yarn start or npm start to fire up your React application.

Follow these steps for completing your project:

  • Submit a Pull-Request to merge Branch into master (student's Repo).
  • Add your Project Manager as a Reviewer on the Pull-request
  • PM then will count the HW as done by merging the branch back into master.

Minimum Viable Product

The MVP of this project will be broken up between 2 stages. Follow each step.

Stage 1 - Authentication

Build a login form to authenticate your users.

  • Construct an AXIOS request to retrieve a token from the server. You'll use this token to interact with the API
  • Save the token to localStorage
  • Build a axiosWithAuth module to create an instance of axios with the authentication header
  • Build a PrivateRoute component and use it to protect a route that renders the BubblePage component

Stage 2 - Consuming the API

  • When BubblePage renders, make a GET request to fetch the color data for your bubbles.
  • In ColorList.js, complete the saveEdit and deleteColor functions to make AJAX requests to the API to edit/delete data
  • Watch and enjoy as your app responds to updates in the data. Check out Bubbles.js to see how this is built.

API Documentation

  • [POST] * to /api/login: returns a token to be added to the header of all other requests. Pass in the following credentials as the body of the request: { username: 'Lambda School', password: 'i<3Lambd4' }
  • [GET] to /api/colors: returns the list of colors and their hex codes.
  • [POST] to /api/colors: creates a new color object. Pass the color as the body of the request (the second argument passed to axios.post).
  • [PUT] to /api/colors/:id: updates the color using the id passed as part of the URL. Send the color object with the updated information as the body of the request (the second argument passed to axios.put).
  • [DELETE] to /api/colors/123: removes the color using the id passed as part of the URL (123 in example).

STRETCH PROBLEMS

HTTP/Axios Stretch Problems

  • Build a form at the bottom of ColorList.js to add new colors to the colors data

Data Visualization

  • Look at Potion JS. This is the library used to display the color data
  • Play around with the data visualization happening in Bubbles.js. Have fun with this! Try different components from the library, or see if you can add props to change the UI a bit.