30 lines
1.3 KiB
C#
30 lines
1.3 KiB
C#
namespace Netina.Core.EntityServices.DiscountHandlers;
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public class CheckUserDiscountFirstUseCommandHandler(
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IRepositoryWrapper repositoryWrapper,
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ICurrentUserService currentUserService)
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: IRequestHandler<CheckUserDiscountFirstUseCommand, bool>
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{
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public async Task<bool> Handle(CheckUserDiscountFirstUseCommand request, CancellationToken cancellationToken)
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{
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if (currentUserService.UserId != null && Guid.TryParse(currentUserService.UserId, out Guid userId))
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{
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var customer = await repositoryWrapper.SetRepository<Customer>()
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.TableNoTracking
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.FirstOrDefaultAsync(c => c.UserId == userId, cancellationToken);
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if (customer == null)
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throw new BaseApiException(ApiResultStatusCode.NotFound, "Customer not found");
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var discountedUserOrder = await repositoryWrapper.SetRepository<Order>()
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.TableNoTracking
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.FirstOrDefaultAsync(f => f.CustomerId == customer.Id && f.DiscountCode == request.DiscountCode,
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cancellationToken);
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if (discountedUserOrder != null)
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return false;
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return true;
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}
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else
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throw new BaseApiException(ApiResultStatusCode.BadRequest,"UserId is wrong");
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}
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} |