queue-management-system

Provide API to manage queue in different branches of ABC bank .

Tech Stack :

• Spring Boot 1.5.9
• java 1.8
• Mysql 5.7.21
• RabbitMQ 3.7.5

Prerequisite:

• Java 1.8 or higher
• Maven 3.3.9
• Mysql 5.7
• RabbitMQ 3.7

Assumptions:

• Bank is having multiple branches with existing customers and some new customers. Services offered by branch is availed at specific counters and PREMIUM account holders have special counters for each those services.
• Token will be generated for each service requested by customer and will be picked by counter based on availability.
• Existing customers can be services directly on the basis of service requests they are asking for.
• For new customer, account will be created first, and then other services will be processed based on requests.
• Multiple requests can processed in chain automatically one after the other based on token status at each service counter.

Entity Relationship Diagram :

Rest API :

1. URL : /api/customer

Method : POST

Response Customer detail json

Request Body

 {
		"accountNumber": "234567",
		"name": "Kunal",
		"customerType": "REGULAR",
		"address": "Hitech"
}

This API Registers Customer to system .

2.URL : /api/customer/{customerId}

Method : GET

Response Customer detail json

This API is to get customer detail for given customer id.

3.URL : /service/register

Method : GET

Response Success Message

This API is to register multiple queues to rabbit mq based on services-customerType-branchId combination . This also attach listener with queues .

4.URL : /api/branch

Method : POST

Response Branch detail json

Request Body

 {
		"branchName": "PUNE",
		"branchCode": "PUN"
}

This API Registers branch to system .

5.URL : /api/counter

Method : POST

Response Counter detail json

Request Body

 {
		"serviceName": "LOAN",
		"customerType": "REGULAR",
    "branchId": "1"
}

This API Registers Counter to system .

6.URL : /api/service

Method : POST

Response Services detail json

Request Body

 {
		"serviceName": "LOAN"
}

This API Registers Counter to system .

7.URL : /api/token/

Method : POST

Response Token Detail json

Request Body

  {
		"accountNumber": "12345",
		"servicesList": ["BANKING","DEPOSIT","WITHDRAWL"],
		"branchId": "1"
}

This API Register create token and then send to queue which altimately picked by some available counter.

8.URL : /api/counter/nextToken/{counterId}

Method : GET

Response Token Id.

Next token to be served in the queue for given service, customer type and branch.

9.URL : /api/counter/markComplete/{counterId}/{tokenId}

Method : PUT

Response Success Message : Status OK

This API mark current service completed and if no next service available for same token then close it.

10.URL : /api/counter/moveNext

Method : PUT

**Request Body**

  {
	"tokenId" : "28",
	"counterId" : "5",
	"nextServiceName" : "KYC"
  }

Response Success Message : Status OK

This API Assign the next step service to the current token and queue it .

11.URL : /counter/{branchId}

Method : GET

Response counter detail for given branch.

12.URL : /token/pending/{branchId}

Method : GET

Response provide all tokens which are in waiting state.

This API get the all counters belong to given branch and current active token on that.