Stock Watchlist Frontend

A React-powered basic web application that allows users to create and manage a stock watchlist User-friendly interface, easy-to-use, Java SpringBoot backend.

Features

• User Account
  • Log in to your account to access and manage your watchlist from anywhere, at any time.
• Stock Search Bar
  • Easily find stocks using any familiar term or phrase with the Yahoo Finance API.
• Watchlist Management
  • Add Stocks: Users can add stocks to their personalized watchlist for easy tracking.
  • Remove Stocks: Users can effortlessly remove stocks from their watchlist when they are no longer of interest.
  • Display Information: The watchlist showcases essential stock information such as the symbol, company name, and current price.
• Data Storage Options
  • Database Persistence: Save your watchlist to a database for future access. This ensures your watchlist is available whenever you log in.
  • Cache Storage: If users choose not to save their watchlist to the database, it will be stored in the cache for quick access during the session.
• Live Updates
  • Receive real-time updates every 5 seconds for stocks added to your watchlist when the market is open.
• Print Watchlist
  • Users can print their watchlist for offline reference or record-keeping.

Setup Instructions

Clone the Repository:

git clone https://github.com/fehmisener/stock-watchlist.git

Do not forget to change directory according to the frontend or backend.

Frontend

1. Install Dependencies:

   npm install

Warning

Do not forget to change the API key in the .env file with your own key.

2. Start the Application:

   npm run dev

Backend

1. Build the Application:

   mvn clean install

2. Run the Application Locally:

   mvn spring-boot:run

Docker Setup:

1. Build the Docker Image:

   docker build -t stock-watch .  

2. Run the Application Locally:

   docker run -p 8080:8080 stock-watch

API Details

Authentication

Login

Login

Logs a User into the system. It is used in the frontend client to authenticate a user.

URL : /v1/auth/login

Method : POST

Auth required : NO

Permissions required : None

Data constraints

{
  "email": "<email_of_user>",
  "password": "<password_of_user>"
}

Success Response

Code : 200 OK

{
  "token": "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1c2VyMUBleGFtcGxlLmNvbSIsImlhdCI6MTcxNjE2MTgwMCwiZXhwIjoxNzE2MTYyNDAwfQ.mS8oZ82B6v_XkVIZnK3_icw1JzY5Fz4SqMMIGnE4FXw",
  "expiresIn": 600000
}

Error Responses

Condition : If username or password is incorrect.

Code : 401 UNAUTHORIZED

{
  "type": "about:blank",
  "title": "Unauthorized",
  "status": 401,
  "detail": "Bad credentials",
  "instance": "/v1/auth/login",
  "description": "The username or password is incorrect"
}

Register

Register

Registers a new User in the system.

URL : /v1/auth/register

Method : POST

Auth required : NO

Permissions required : None

Data constraints

{
  "email": "<email_of_user>",
  "password": "<password_of_user>"
}

Success Response

Code : 200 OK

{
  "createdDate": null,
  "lastModifiedDate": null,
  "deleted": false,
  "id": 1,
  "email": "[email protected]",
  "password": "$2a$10$OmqqPnnVHEB.7bxvHVNsHumd76S18d9sZnZNffrQNfiuvKNUArah6",
  "watchlists": null,
  "enabled": true,
  "username": "[email protected]",
  "authorities": [],
  "accountNonExpired": true,
  "accountNonLocked": true,
  "credentialsNonExpired": true
}

Watchlist

Get Watchlist

Get Watchlist

Retrieves the watchlist of the User. It is used in the frontend client to display the watchlist of the User.

URL : /v1/watchlist/get

Method : GET

Auth required : YES

Permissions required : None

Success Response

Code : 200 OK

[
  {
    "id": 1,
    "userId": 1,
    "watchlistItems": [
      {
        "symbol": "FROTO.IS"
      },
      {
        "symbol": "TESLA"
      },
      {
        "symbol": "THYAO.IS"
      }
    ]
  }
]

Error Responses

Condition : If the JWT token has expired.

Code : 403 FORBIDDEN

{
  "type": "about:blank",
  "title": "Forbidden",
  "status": 403,
  "detail": "JWT expired at 2024-05-19T20:55:11Z. Current time: 2024-05-20T00:05:51Z, a difference of 11440514 milliseconds.  Allowed clock skew: 0 milliseconds.",
  "instance": "/v1/watchlist/get",
  "description": "The JWT token has expired"
}

---

Add Watchlist

Add Watchlist

Registers a new user in the system.

URL : /v1/watchlist/add

Method : POST

Auth required : YES

Permissions required : None

Data constraints

{
  "watchlistItems": [
    {
      "symbol": "YATAS"
    },
    {
      "symbol": "KOTON"
    },
    {
      "symbol": "THYAO"
    }
  ]
}

Success Response

Code : 200 OK

{
  "id": 1,
  "userId": 1,
  "watchlistItems": [
    {
      "symbol": "YATAS"
    },
    {
      "symbol": "KOTON"
    },
    {
      "symbol": "THYAO"
    }
  ]
}

Error Responses

Condition : If the JWT token has expired.

Code : 403 FORBIDDEN

{
  "type": "about:blank",
  "title": "Forbidden",
  "status": 403,
  "detail": "JWT expired at 2024-05-19T20:55:11Z. Current time: 2024-05-20T00:05:51Z, a difference of 11440514 milliseconds.  Allowed clock skew: 0 milliseconds.",
  "instance": "/v1/watchlist/add",
  "description": "The JWT token has expired"
}

---

Delete Item from Watchlist

Delete Item from Watchlist

Deletes an item from the watchlist of the User.

URL : /v1/watchlist/deleteItem

URL Parameters : symbol=[string] where symbol is the symbol of the stock to be deleted.

Method : DELETE

Auth required : YES

Permissions required : None

Error Responses

Condition : If the JWT token has expired.

Code : 403 FORBIDDEN

{
  "type": "about:blank",
  "title": "Forbidden",
  "status": 403,
  "detail": "JWT expired at 2024-05-19T20:55:11Z. Current time: 2024-05-20T00:05:51Z, a difference of 11440514 milliseconds.  Allowed clock skew: 0 milliseconds.",
  "instance": "/v1/watchlist/deleteItem",
  "description": "The JWT token has expired"
}

Dependencies

For the frontend, following dependencies are used:

Important

Vite requires Node.js version 18+ or 20+.

• Vite: A build tool that provides fast, reliable builds for modern web projects.
• React: A JavaScript library for building user interfaces.
• JavaScript: The programming language used for both frontend and backend development.
• Material UI: A popular React UI framework that provides pre-built components for building user interfaces.

For the backend, following dependencies are used:

• Java 17
• Java SpringBoot: A Java-based framework used for building web applications.
• Spring Data JPA: A part of the larger Spring Data project that makes it easy to implement JPA-based repositories.
• H2 Database: A Java SQL database that provides in-memory and disk-based storage support.
• Docker: A platform for developing, shipping, and running applications in containers.