29 lines
940 B
C#
29 lines
940 B
C#
namespace Application.Enrollments.Commands;
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using Domain.Exceptions;
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using Domain.Ports.Repositories;
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using MediatR;
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public record UnenrollStudentCommand(int EnrollmentId) : IRequest<bool>;
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public class UnenrollStudentHandler(
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IEnrollmentRepository enrollmentRepository,
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IStudentRepository studentRepository,
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IUnitOfWork unitOfWork)
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: IRequestHandler<UnenrollStudentCommand, bool>
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{
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public async Task<bool> Handle(UnenrollStudentCommand request, CancellationToken ct)
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{
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var enrollment = await enrollmentRepository.GetByIdAsync(request.EnrollmentId, ct)
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?? throw new EnrollmentNotFoundException(request.EnrollmentId);
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var student = await studentRepository.GetByIdWithEnrollmentsAsync(enrollment.StudentId, ct);
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student?.RemoveEnrollment(enrollment);
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enrollmentRepository.Delete(enrollment);
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await unitOfWork.SaveChangesAsync(ct);
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return true;
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}
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}
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