Khwezi Mngoma
31 lines
1.4 KiB
C#
31 lines
1.4 KiB
C#
using LiteCharms.Extensions;
|
|
using LiteCharms.Features.ShoppingCarts.Queries;
|
|
using LiteCharms.Infrastructure.Database;
|
|
using LiteCharms.Models;
|
|
|
|
namespace LiteCharms.Features.ShoppingCarts.Queries.Handlers;
|
|
|
|
public class GetCustomerShoppingCartsQueryHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<GetCustomerShoppingCartsQuery, Result<ShoppingCart[]>>
|
|
{
|
|
public async ValueTask<Result<ShoppingCart[]>> Handle(GetCustomerShoppingCartsQuery request, CancellationToken cancellationToken)
|
|
{
|
|
try
|
|
{
|
|
using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
|
|
|
|
if (!await context.Customers.AnyAsync(c => c.Id == request.CustomerId, cancellationToken))
|
|
return Result.Fail<ShoppingCart[]>(new Error($"Customer with Id {request.CustomerId} does not exist."));
|
|
|
|
var shoppingCarts = await context.ShoppingCarts.Where(sc => sc.CustomerId == request.CustomerId).ToArrayAsync(cancellationToken);
|
|
|
|
return shoppingCarts?.Length > 0
|
|
? Result.Ok(shoppingCarts.Select(c => c.ToModel()).ToArray())
|
|
: Result.Fail<ShoppingCart[]>(new Error($"No shopping carts found for customer with Id {request.CustomerId}."));
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return Result.Fail<ShoppingCart[]>(new Error(ex.Message).CausedBy(ex));
|
|
}
|
|
}
|
|
}
|