MukeshStorge / MTBS

MTBS - Movie Ticket Booking System

Table of Contents

1. About The Project
   • Tech Stack
2. HLD - High Level Design
3. LLD - Low Level Design
4. Points to Highlight
5. API Endpoints and Docs
6. License

About The Project

Movie ticket booking system with below features,

Tech Stack

• Java 8 (Pre-Install)
• Redis (Pre-Install)
• Maven (Pre-Install)
• Postgresql (Pre-Install)
• Spring Boot 2.4.5
• Lombok
• OpenAPI

HLD

LLD

Redis Data Model

Below selected Redis ID is a combination of TheaterId+ShowId+ScreenId+SeatId+Time With MilliSecond. Used to group the concurrent request for that moment. This will be helpfull to find the concurrency by taking the disjoint set using union find. This data will be eventually evicted from system. Refer: RedisConfig.java

ER-Diagram

API Endpoints and Docs

Note:

• Sample Data added for Users, Theaters, Branches, Screens, Shows, Seats, Movies !!!. Refer: Data.sql
• To change DB config/App port/Max seat size/Log path/Redis port/bucket. Refer: Application.properties
• Use Swagger Ui http://localhost:8081/swagger-ui.html to access APIs.
• Module based package grouping done for readablity.
• Start with ReservationController.java for ticket booking logic.

Ticket booking endpoint & Sample request:

**Post:** http://localhost:8081/reserve/

{ "theaterId": 1, "branchId": 1, "screenId": 1, "seatIds": [ 1,2 ], "user": { "id": 1, "firstName": "Doni", "lastName": "Singh", "email": "[e-mail]", "activeStatus": true } }

Points to Hightlight

• It supports multiple Theaters and Screens.
• Used disjoint set for concurrent request prioritizing.
• Configurable errors and logs.

License

Distributed under the MIT License. See LICENSE for more information.