money-transfer-sandbox

test task project

Used technologies

• scala
• sbt
• Play framework
• Play-Slick + inmemory H2 database
• macwire for dependency injection
• Play scala test
• sbt-native-packager

Useful sbt commands

• sbt run starts project in development mode
• sbt stage stages app into /target/universal/stage/ folder
• sbt test runs test

Project structure

app
  controllers      # containg viewmodel + presentational logics
  model
    dao            # contains database access logic
    entity         # domain model value-classes
    service        # contains business logic
  module           # dependency injection
  util
  Loader.scala     # app entry point
conf
  application.conf # configuration
  logback.xml      # logger configuration
  routes           # routes mapping
test
  controllers
    RestSpec.scala # rest tests               

Rest calls

Get by id

GET /api/account/:id

Responses with 200 if found

{
    "data":
        {
            "id": "1",
            "balance": 0,
            "createdAt": 1538999758241,
            "updatedAt": 1538999773671
        }
}

otherwise responces with 404

Get all

GET http://localhost:9000/api/account?limit&offset

Example response:

{
    "data": [
        {
            "id": "1",
            "balance": 0,
            "createdAt": 1538999758241,
            "updatedAt": 1538999773671
        },
        {
            "id": "2",
            "balance": 10,
            "createdAt": 1538999755462,
            "updatedAt": 1538999773671
        }
    ]
}

Create account

PUT http://localhost:9000/api/account/:id

Responses with 201 or with 200 if already created

Add money

POST http://localhost:9000/api/account/balance/add
{
    "id": "1",
    "amount": 10
}

Responses with 200 or with 404 if id not found

Money Transfer

POST http://localhost:9000/api/moneytransfer
{
    "idFrom": "1",
    "idTo": "2",
    "amount": 10
}

Responses

• 200 on success
• 404 if any of account is not found
• 400 if From account has insufficient money

Internal requests

POST http://localhost:9000/maintenance/tables

Creates tables

DELETE http://localhost:9000/maintenance/tables

Drops tables