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using System;
using MediatR;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.eShopWeb.Infrastructure.Data;
namespace Microsoft.eShopWeb.Web.Features.MyOrders
{
public class MyOrdersViewModel
{
public IEnumerable<OrderSummaryViewModel> Orders { get; set; }
}
public class OrderSummaryViewModel
{
private const string DEFAULT_STATUS = "Pending";
public int OrderNumber { get; set; }
public DateTimeOffset OrderDate { get; set; }
public decimal Total { get; set; }
public string Status => DEFAULT_STATUS;
}
public class GetMyOrdersHandler : IRequestHandler<GetMyOrders, MyOrdersViewModel>
{
private readonly CatalogContext _db;
public GetMyOrdersHandler(CatalogContext db)
{
_db = db;
}
public async Task<MyOrdersViewModel> Handle(GetMyOrders request, CancellationToken cancellationToken)
{
var result = new MyOrdersViewModel();
result.Orders = await _db.Orders
.Include(x => x.OrderItems)
.Where(x => x.BuyerId == request.UserName)
.Select(o => new OrderSummaryViewModel
{
OrderDate = o.OrderDate,
OrderNumber = o.Id,
Total = o.OrderItems.Sum(x => x.Units * x.UnitPrice),
})
.ToArrayAsync(cancellationToken: cancellationToken);
return result;
}
}
}
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