XM Rest Api

This is an interview showcase work and not intended for production usage

Overview

XM Golang Exercise - v21.0.0

Config

+----------------------------------+----------+----------------+-------------------------+
|               ENV                |   Type   |    Default     |       Description       |
+----------------------------------+----------+----------------+-------------------------+
| PORT                             | int      | 9090           | Service Port            |
| METRICS_PORT                     | int      | 7000           | Metrics Port            |
| KAFKA_PRODUCER_BOOTSTRAP_SERVERS | []string | localhost:9092 | Kafka Bootstrap Servers |
| DATABASE_URL                     | string   | root:@/test    | Database Connect Url    |
+----------------------------------+----------+----------------+-------------------------+

Quick start

Build the binary

go build -ldflags="-s -w" -o xm-rest-api main.go

Run the Binary

./xm-rest-api

Testing

Start Services on docker-compose, This might take 20-30min for
the first time until you pull all the required dependencies.

docker-compose up -d --build

Start the testing without building xm-rest-api image

 docker-compose up -d

NOTE: if you receive following error, remove the orphan container
ERROR: for api Container "3e997fbed7c1" is unhealthy. ERROR: Encountered errors while bringing up the project.

Stop testing environment

 docker-compose down 

NOTE: If you do not stop testing env properly, you'll get errors on the next start

Create Company

curl --location --request PUT 'http://localhost:9090/company' \
--header 'X-FORWARDED-FOR: 31.153.207.255' \
--header 'Content-Type: application/json' \
--data-raw '{
    "name":"ABC2",
    "code":"123123",
    "country":"sri lanka",
    "website":"",
    "phone":123123
}'

Update Company

curl --location --request POST 'http://localhost:9090/company' \
--header 'X-FORWARDED-FOR: 31.153.207.255' \
--header 'Content-Type: application/json' \
--data-raw '{
    "name":"ABC2",
    "code":"123123",
    "country":"sri lanka2",
    "website":"234234",
    "phone":123123
}'

Delete Company

curl --location --request DELETE 'http://localhost:9090/company?code=123123' \
--header 'X-FORWARDED-FOR: 31.153.207.255'

Get Company(s)

curl --location --request GET 'http://localhost:9090/company?code=123123&name=ABC2'

Assumptions

1. Company code is unique for a company
2. Only one mobile phone is available for a company
3. Phone number is a number,
4. Website is a optional field

Improvements

1. Add support to Multiple Filters on the same type

ex:- 
  GET /company?code=123123&code=454545

2. Data Field Validation
3. Multiple Source Data write failure handling
4. Topic Automatic creation if not exist
5. Database data indexing