Vitty Backend

An application that extracts and reads data from a timetable and sends push notifications to user to attend scheduled classes.

---

Table of Contents

• Key Features
• Dependencies
  • Deployment
  • Oauth2
  • Web API
  • Database
• Setting-up and Installation
  • Prerequisites
  • Configure the environment variables
• Usage
  • Running the application
  • Stopping the application
  • Using management commands of the CLI application
• API Documentation
• Developer

Key Features

• User Authenitication using Google Oauth2
• Timetable detection from VTOP timetable page text
• Add and remove friends using friend requests
• User search to friend other users
• Display friends' timetable
• Show mutual friends
• Friend suggestions based on mutual friends
• CLI application to manage the web api

Tech Stack and Dependencies

Deployment

• Docker

Oauth2

• Google Oauth Credentials

Web API

• Language - Go
• Framework - Fiber
• ORM - Gorm
• CLI framework - urfave/cli
• JWT - golang-jwt

Database

• PostgreSQL

Setting-up and Installation

Prerequisites

• Download and install Docker and Docker compose
• Get Google Oauth2 Credentials JSON file for a web application

Configure the environment variables

Configure the env files present in /vitty-backend-api/.env/
For local environment use .local and for production use .production

Following environment variables need to be configured -

• FIBER_PORT - Value of port used by the web api in the form :<PORT>, default value is :3000
• DEBUG - Set to true for local environment, false for production environment
• POSTGRES_URL - Set to postgres://<POSTGRES_USER>:<POSTGRES_PASSWORD>@postgres:<POSTGRES_PORT>/<POSTGRES_DB>
• POSTGRES_USER - Username for postgres database
• POSTGRES_PASSWORD - Password for postgres database
• POSTGRES_DB - Name of the postgres database
• POSTGRES_HOST - Hostname for postgres database, default value is postgres
• POSTGRES_PORT - Port for postgres database, default value is 5432
• OAUTH_CALLBACK_URL - Callback URL for Google Oauth2, http://<backend-url>/api/auth/google/callback
• JWT_SECRET - JWT secret key that will be used to sign the tokens

Usage

Running the application

Use the following command to run the application -

MacOS and Linux

./vitty.sh up

Windows

vitty.bat up

Stopping the application

Use the following command to stop the application -

MacOS and Linux

./vitty.sh down

Windows

vitty.bat down

Using management commands of the CLI application

Use the following command to run the CLI application -

MacOS and Linux

./vitty.sh cli <command>

Windows

vitty.bat cli <command>

NOTE: Replace script file names with .vitty-local.sh and .vitty-local.bat for local environment

API Documentation

Postman API documentation - Vitty API

Developer

Dhruv Shah

Made with ❤️ by DSC VIT