72 lines
2.2 KiB
C#

using AutoMapper;
using DigitalData.Core.Abstraction.Application.Repository;
using DigitalData.Core.Exceptions;
using EnvelopeGenerator.Application.Common.Dto.History;
using EnvelopeGenerator.Domain.Constants;
using MediatR;
using System.ComponentModel.DataAnnotations;
using EnvelopeGenerator.Domain.Entities;
using Microsoft.EntityFrameworkCore;
namespace EnvelopeGenerator.Application.Histories.Queries;
//TODO: Add sender query
/// <summary>
/// Repräsentiert eine Abfrage für die Verlaufshistorie eines Umschlags.
/// </summary>
public record ReadHistoryQuery : IRequest<IEnumerable<HistoryDto>>
{
/// <summary>
/// Die eindeutige Kennung des Umschlags.
/// </summary>
[Required]
public int EnvelopeId { get; init; }
/// <summary>
/// Der Include des Umschlags, der abgefragt werden soll. Kann optional angegeben werden, um die Ergebnisse zu filtern.
/// </summary>
public EnvelopeStatus? Status { get; init; }
/// <summary>
/// Abfrage zur Steuerung, ob nur der aktuelle Include oder der gesamte Datensatz zurückgegeben wird.
/// </summary>
public bool? OnlyLast { get; init; } = true;
}
/// <summary>
///
/// </summary>
public class ReadHistoryQueryHandler : IRequestHandler<ReadHistoryQuery, IEnumerable<HistoryDto>>
{
private readonly IRepository<History> _repo;
private readonly IMapper _mapper;
/// <summary>
///
/// </summary>
/// <param name="repo"></param>
/// <param name="mapper"></param>
public ReadHistoryQueryHandler(IRepository<History> repo, IMapper mapper)
{
_repo = repo;
_mapper = mapper;
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <param name="cancel"></param>
/// <returns></returns>
/// <exception cref="NotFoundException"></exception>
public async Task<IEnumerable<HistoryDto>> Handle(ReadHistoryQuery request, CancellationToken cancel = default)
{
var query = _repo.Where(h => h.EnvelopeId == request.EnvelopeId);
if (request.Status is not null)
query = query.Where(h => h.Status == request.Status);
var hists = await query.ToListAsync(cancel);
return _mapper.Map<List<HistoryDto>>(hists);
}
}