Kotlin Spring Boot on GCP API GATEWAY with App Engine Standard service backend

Deploy locally

git clone https://github.com/mvladoi/sinch-task.git
cd springboot
mvn spring-boot:run 

Apis implemented :

• a.
  Action HTTPS
  Verb POST
  URL sinch-assignment/all-pairs

Description Exercise 1

• b.
  Action HTTPS
  Verb POST
  URL sinch-assignment/polish-notation

Description Exercise 2

Running Time

1. All pair is the coding exercise : Count pairs with given sum O(n) time

2. Polish notation is the coding exercise: Evaluation of Prefix Expressions O(n) time

Test it on GCP API GATEWAY

curl -X POST https://sinch-gateway-dcx6qn7w.nw.gateway.dev/sinch-assignment/polish-notation/?key=AIzaSyBigpr5hghSfwqwCKoeLzcRpImjrq3qUIU --data-binary @sinch/springboot/input_files/polish_notation/file1 -H "Content-Type: application/text"

Response:

{result: 42.00, 1337.00, -12.50, 100500.00, error, error}

curl -X POST https://sinch-gateway-dcx6qn7w.nw.gateway.dev/sinch-assignment/all-pairs/?key=AIzaSyBigpr5hghSfwqwCKoeLzcRpImjrq3qUIU --data-binary @sinch/springboot/input_files/all_pairs/file1 -H "Content-Type: application/text"

Response:

{result: 2}

To Do

1. Improve the testing with different test cases (add suport for input files that contains empty lines)
2. Improve the api response code in case of failures