58 lines
1.8 KiB
C#

using DigitalData.Core.Abstraction.Application.Repository;
using EnvelopeGenerator.Domain.Entities;
using MediatR;
using Microsoft.EntityFrameworkCore;
using System.Linq.Expressions;
namespace EnvelopeGenerator.Application.DocStatus.Commands;
/// <summary>
/// Represents a command to save the status of a document, either by creating a new status or updating an existing one based on the provided envelope and receiver identifiers.
/// It returns the identifier of the saved document status.
/// </summary>
public record SaveDocStatusCommand : ModifyDocStatusCommandBase, IRequest<int?>;
/// <summary>
///
/// </summary>
public class SaveDocStatusCommandHandler : IRequestHandler<SaveDocStatusCommand, int?>
{
private readonly IRepository<DocumentStatus> _repo;
/// <summary>
///
/// </summary>
/// <param name="repo"></param>
public SaveDocStatusCommandHandler(IRepository<DocumentStatus> repo)
{
_repo = repo;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="cancel"></param>
/// <returns></returns>
public async Task<int?> Handle(SaveDocStatusCommand request, CancellationToken cancel)
{
Expression<Func<DocumentStatus, bool>> filter = ds => ds.EnvelopeId == request.EnvelopeId && ds.ReceiverId == request.ReceiverId;
// ceck if exists
bool isExists = await _repo.ReadOnly().Where(filter).AnyAsync(cancel);
if (isExists)
{
var uReq = request.To<UpdateDocStatusCommand>();
await _repo.UpdateAsync(uReq, filter, cancel);
}
else
{
var cReq = request.To<CreateDocStatusCommand>();
await _repo.CreateAsync(cReq, cancel);
}
var docStatus = await _repo.ReadOnly().Where(filter).FirstOrDefaultAsync(cancel);
return docStatus?.Id;
}
}