Scala Programming Projects

Listing products in cart

Something is missing from the implementation; indeed, we do not have a cartDao instance in our WebService class.

To add it, just add it as a new parameter; as all of the parameters are injected, Play will automatically do it for you. The WebService class definition becomes the following code:

class WebServices @Inject()(cc: ControllerComponents, productDao: ProductsDao, cartsDao: CartsDao) extends AbstractController(cc) with Circe {

The implementation to get all of the products is as follows:

def listCartProducts() = Action.async { request =>
  val userOption = request.session.get("user")
  userOption match {
    case Some(user) => {
      Logger.info(s"User '$user' is asking for the list of product in  the cart") val futureInsert ...