72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
namespace Microsoft.eShopOnContainers.Services.Ordering.API.Application.Commands
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{
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using Domain.AggregatesModel.OrderAggregate;
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using global::Ordering.API.Application.Models;
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using MediatR;
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using Microsoft.eShopOnContainers.Services.Ordering.API.Infrastructure.Services;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using static Microsoft.eShopOnContainers.Services.Ordering.API.Application.Commands.CreateOrderCommand;
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// Regular CommandHandler
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public class CreateOrderDraftCommandHandler
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: IRequestHandler<CreateOrderDraftCommand, OrderDraftDTO>
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{
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private readonly IOrderRepository _orderRepository;
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private readonly IIdentityService _identityService;
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private readonly IMediator _mediator;
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// Using DI to inject infrastructure persistence Repositories
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public CreateOrderDraftCommandHandler(IMediator mediator, IIdentityService identityService)
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{
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_identityService = identityService ?? throw new ArgumentNullException(nameof(identityService));
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_mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
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}
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public Task<OrderDraftDTO> Handle(CreateOrderDraftCommand message, CancellationToken cancellationToken)
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{
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var order = Order.NewDraft();
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var orderItems = message.Items.Select(i => i.ToOrderItemDTO());
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foreach (var item in orderItems)
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{
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order.AddOrderItem(item.ProductId, item.ProductName, item.UnitPrice, item.Discount, item.PictureUrl, item.Units);
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}
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return Task.FromResult(OrderDraftDTO.FromOrder(order));
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}
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}
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public record OrderDraftDTO
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{
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public IEnumerable<OrderItemDTO> OrderItems { get; init; }
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public decimal Total { get; init; }
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public static OrderDraftDTO FromOrder(Order order)
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{
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return new OrderDraftDTO()
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{
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OrderItems = order.OrderItems.Select(oi => new OrderItemDTO
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{
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Discount = oi.GetCurrentDiscount(),
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ProductId = oi.ProductId,
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UnitPrice = oi.GetUnitPrice(),
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PictureUrl = oi.GetPictureUri(),
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Units = oi.GetUnits(),
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ProductName = oi.GetOrderItemProductName()
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}),
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Total = order.GetTotal()
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};
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}
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}
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}
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