refactor(ReadHistoryQuery): mvoe HisotryQuery to Queries directory and remove Read dir

EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQueryHandler.cs

@@ -0,0 +1,51 @@
+using AutoMapper;
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.Core.Exceptions;
+using EnvelopeGenerator.Application.Dto.EnvelopeHistory;
+using EnvelopeGenerator.Domain.Entities;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace EnvelopeGenerator.Application.Histories.Queries;
+
+/// <summary>
+/// 
+/// </summary>
+public class ReadHistoryQueryHandler : IRequestHandler<ReadHistoryQuery, IEnumerable<EnvelopeHistoryDto>>
+{
+    private readonly IRepository<EnvelopeHistory> _repo;
+
+    private readonly IMapper _mapper;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="repo"></param>
+    /// <param name="mapper"></param>
+    public ReadHistoryQueryHandler(IRepository<EnvelopeHistory> 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<EnvelopeHistoryDto>> Handle(ReadHistoryQuery request, CancellationToken cancel = default)
+    {
+        var query = _repo.ReadOnly().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);
+
+        if (hists.Count == 0)
+            return _mapper.Map<IEnumerable<EnvelopeHistoryDto>>(hists);
+
+        throw new NotFoundException();
+    }
+}