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README.md

Frontend Development : Week 2

As discussed in the last week's session, this week, we will have a short introduction to what is API (for a detailed approach on how to make one, follow backend's materials) and how we use API to set up communication between server and client, in order to retrive, authenticate and store information.

This week is all about JS (and ofc, HTML, CSS and Bootstrap!) and getting comfortable with it, before we introduce ReactJS in the next week!

Learning Tasks

Task 1 - Fetch APIs

Now that we have the login and sign up pages ready (hopefully, tailored to send info regarding admin or cashier portal login),we will now use Fetch APIs to interact with the given API to autheticate information sent from client. The Fetch method is a method provided by the Fetch API that is built into the browser. It is used to get access to data through the use of the HTTP protocol. It simplifies fetching resources, handling responses, and managing errors.

    const requestUrl = "url of whatever you want to make a request to";
    fetch(requestUrl)
    .then(response => response.json())
    .then(data => {
    // do something with the data the API has returned
    })

This is the general syntax of how a fetch request is made.

  • Add this to the <script> </script> body or in your script.js file. (Or better, try it yourself!)

  • Make functions to check if it matches with what is entered by the user.

  • Display Error Messages and Success Messages, depending on status of authentication. (Make it as informative as possible, no one likes to see a general "try again").

  • For those doing both backend and frontend :

    • use, (or create) apis to authenticate the entered client information with the server information.

  • For those doing only frontend :

    • Dummy API -

Task 2 - Bootstrap

Add the following lines to your code.

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Dashboard</title>
  <link
    href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
    rel="stylesheet"
    integrity="sha384-9ndCyUaIbzAi2FUVXJi0CjmCapSmO7SnpJef0486qhLnuZ2cdeRhO02iuK6FUUVM"
    crossorigin="anonymous"
  />
</head>

<body>
  <script
    src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"
    integrity="sha384-geWF76RCwLtnZ8qwWowPQNguL3RmwHVBC9FhGdlKrxdiJJigb/j/68SIy3Te4Bkz"
    crossorigin="anonymous"
  ></script>
</body>

  • In this task we're going to make a basic portal. Learn about Containers, Rows and Columns in Bootstrap.

  • Try to redesign your login and sign up pages with Bootstrap. Make the UI look more professional.

  • After sucessful authentication, how about a cute display of the user's name and designation (admin/cashier)?

  • Make a basic portal frontend with a navbar.

  • Use the navbar class to design the navbar. Add your own effects and animations, no restrictions!

    • For Cashier (must haves) :

      • Logout Option
      • Profile Icon

    • For Admin (must haves) :

      • Logout Option
      • Profile Icon
      • Analytics Icon (choose whichever you feel appropriate)

  • Must Haves for a Cashier portal :

    • A form to enter customer mobile no.

      (Further API integration will be covered in the next task)

      You are free to add more, as you deem appropriate.

  • Must Haves for an Admin Portal :

    • A grid form layout of top 6 sold stocks in the market. (no need to add the names of those stocks now, this is just to create the layout).

    • A row to see recent (last 24 hours) orders. (again, only layout, no need for names, it will need APIs).

    • A row to see the urgently needed (to be ordered) stocks.

    • A dropdown to choose which stock to see.

      (Further items will be covered in the future tasks, this is just to create the playground for the final portal).

      You are free to add more, as you deem appropriate.

API Documentation

Authentication API

Endpoint: http://167.71.236.10/api/login/

Method: POST

Description: Authenticate user credentials and retrieves token.

Request Body:

{
  "username": "admin",
  "password": "admin@dsoc24"
}

Handle this token properly in your frontend as it would be required while making other api calls.

Bonus Tasks

Practice of using HTML, Bootstrap and this time, using Javascript to add more functionality and interactivity to the portal!

  • How about a light mode/dark mode on the portal?
  • How about adding a ticking time clock? After all, everyone awaits a shift end!
  • Use sm, md, lg to ensure responsiveness! (breakpoints!)