Files
EnvelopeGenerator/EnvelopeGenerator.Application/DocReceiverElements/Behaviors/EnvelopeReceiverResolutionBehavior.cs

55 lines
2.0 KiB
C#

using AutoMapper;
using DigitalData.Core.Abstraction.Application.Repository;
using DigitalData.Core.Exceptions;
using EnvelopeGenerator.Application.Common.Dto.EnvelopeReceiver;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.DocReceiverElements.Commands;
using EnvelopeGenerator.Domain.Entities;
using MediatR;
using Microsoft.EntityFrameworkCore;
namespace EnvelopeGenerator.Application.DocReceiverElements.Behaviors;
/// <summary>
/// Pipeline behavior that resolves and validates EnvelopeReceiver.
/// Executes FIRST in the signing process - before all other behaviors.
/// If EnvelopeReceiver is not provided, it queries the database using EnvelopeReceiverQueryBase parameters.
/// </summary>
public class EnvelopeReceiverResolutionBehavior : IPipelineBehavior<SigningCommand, Unit>
{
private readonly IRepository<EnvelopeReceiver> _erRepo;
private readonly IMapper _mapper;
/// <summary>
///
/// </summary>
/// <param name="erRepo"></param>
/// <param name="mapper"></param>
public EnvelopeReceiverResolutionBehavior(IRepository<EnvelopeReceiver> erRepo, IMapper mapper)
{
_erRepo = erRepo;
_mapper = mapper;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="next"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task<Unit> Handle(SigningCommand request, RequestHandlerDelegate<Unit> next, CancellationToken cancellationToken)
{
// If EnvelopeReceiver is not provided, query it from database
if (request.EnvelopeReceiver is null)
{
var er = await _erRepo.Query.Where(request, notnull: true).SingleOrDefaultAsync(cancellationToken)
?? throw new NotFoundException("EnvelopeReceiver not found");
request.SetEnvelopeReceiver(_mapper.Map<EnvelopeReceiverDto>(er));
}
return await next(cancellationToken);
}
}