cart-service.urm.puml

@startuml
skinparam dpi 300
scale 0.3

package com.iluwatar.rpc.cart.model {
  class ProductInCart {
    - id : Long
    - name : String
    - price : double
    - quantityToReduce : int
    - type : String
  }
}

package com.iluwatar.rpc.cart.service {
  interface CartService {
    + getAllProducts() {abstract}
    + getRandomProductFromCart() : ProductInCart {abstract}
    + reduceCartQuantityFromProduct(ProductInCart) {abstract}
  }

  class CartServiceImpl {
    - log : Logger {static}
    - productsInCart : List<ProductInCart>
    - shoppingServiceBlockingStub : ShoppingServiceBlockingStub
    + CartServiceImpl(shoppingStub : ShoppingServiceBlockingStub)
    + getAllProducts()
    + getRandomProductFromCart() : ProductInCart
    + reduceCartQuantityFromProduct(product : ProductInCart)
  }
}

package com.iluwatar.rpc.proto {
  class Empty {}

  class ProductResponse {
    - id : long
    - name : String
    - price : double
    - type : String
  }

  class ReduceProductRequest {
    - productId : long
    - quantity : int
  }

  class ReduceProductResponse {
    - message : String
    - status : boolean
  }

  class ShoppingServiceImplBase {
    - getAllProducts(request: Empty, responseStreamObserver: StreamObserver<ProductResponse>)
    - reduceProductQuantity(request: ReduceProductRequest, responseStreamObserver : StreamObserver<ReduceProductResponse>)
  }

}
package com.iluwatar.rpc.cart {
  class Main {
    - HOST : String {static}
    - SERVER_PORT : int {static}
    - log : Logger {static}
    + main(args : String[]) {static}
  }
}

CartServiceImpl -->  "-productsInCart" ProductInCart
CartServiceImpl ..|> CartService
@enduml