gitlab.com/ionehouten/evermostest

GOLANG EVERMOS TEST

Iwan Setiawan - [e-mail]

---

Contents

• Task 1
• Task 2

---

Task 1

From the description explained, that the stock error can be caused by accessing the same transaction at the same time, it is clear that the backend service cannot handle this so there is overlap between transactions.

In this test I use 2 techniques to deal with this

1. Using the table locking if you use this method, if there are overlapping transactions then other transactions will be immediately aborted, this method will not damage the transaction data but will disturb the user

2. Using the queuing technique with a message broker this method is very good to use, because transactions are queued, transactions will not overlap, the process will be faster because the user does not have to wait until the process is complete, but the system must provide additional notification to the user that a transaction has been successful or not

Requirements

• Golang 1.17 or newer: https://golang.org/doc/install

• VS Code Extension : Go

• Install Requirement Package (CLI)

  • GO Env : go install github.com/joho/godotenv/cmd/godotenv
  • GIN Gonic Framework : go install github.com/codegangsta/gin
  • Swagger : go install github.com/swaggo/swag/cmd/swag@latest

• Download Package

  • go mod download

• MySql/MariaDb Database

• RabbitMq

Config

Environment

Config	FilePath	Desciption
Environment	shop/.env	Database, App & Security Config
Environment	shop-consumer/.env	Database, App & Security Config

---

OAuth2 - Grant Type = Password

Username	Password	ClientId	ClientSecret
iwan	admin	EVERMOS-SHOP	923753F2317FC1EE5B52DF23951B1

---

Development

Name	Url
Base Url	http://localhost:3000
Base Api Url	http://localhost:3000/evermos-api/v1
Swagger	http://localhost:3000/swagger/index.html

---

Files

Name	File
Postman Collection	Evermos - Shop.postman_collection.json
Postman Environment	Evermos - Shop.postman_environment.json
ERD	ERD.png
SQL Database	dump*.sql

---

Task 2

the source code for treasure hunt is in the treasure-hunt folder

Don't hesitate to contact if you have any questions