mws.backend.dotnet/application/MasterData/Commands/CreateMasterData.cs

using AutoMapper;
using MediatR;
using mws.backend.dotnet.application.Audit;
using mws.backend.dotnet.application.Common;

namespace mws.backend.dotnet.application.MasterData;

public record CreateMasterDataCommand(SaveMasterDataRequest Request) : IRequest<MasterDataDto>, IAuditableRequest
{
    public string Action => "MasterData.Create";
    public string EntityType => "MasterData";
    public string? EntityName => Request.Label;
}

public class CreateMasterDataHandler(IUnitOfWork uow, IMapper mapper) : IRequestHandler<CreateMasterDataCommand, MasterDataDto>
{
    public async Task<MasterDataDto> Handle(CreateMasterDataCommand command, CancellationToken ct)
    {
        var entry = await MasterDataValidation.ValidateAsync(uow, command.Request, null, ct);

        var now = DateTime.UtcNow;
        entry.Id = Guid.NewGuid();
        entry.CreatedAt = now;
        entry.UpdatedAt = now;

        uow.MasterData.Add(entry);
        await uow.SaveChangesAsync(ct);
        return mapper.Map<MasterDataDto>(entry);
    }
}