On card creation return 201 status code
If the card isn't found - 404
400 On bad request
If card is closed you can't update it. Even it's status
If card status is PENDING (1) it updates to ACTIVE (2) with first deposit
Updates account balance when card balance is updated
Using transactions on all DML operations
GET
api/card/all
api/card/all/status
api/card?number=4000000967827322
api/card/balance?number=4000000967827322
api/card/status?number=4000000967827322
POST
api/card
{"account":"22222222222222222222"}
api/card/deposit
{"number":"4000000967827322","amount":15.30}
api/card/status
{"number":"4000000967827322","status":2}
api/card/activate
{"number":"4000000967827322"}
api/card/close
{"number":"4000000967827322"}
api/card/delete
{"number":"4000000967827322"}
GET
api/account/all
api/account?id=2
POST
api/account
{"phone":"+75557774430"}
Author: Roman Kukin