refactor(ReadHistoryQuery): update to not throw exception.

- update controller to throw NotFound if the list is empty

EnvelopeGenerator.Application/Extensions/TaskExtensions.cs

@@ -33,7 +33,7 @@ public static class TaskExtensions
     /// <param name="factory">Exception provider</param>
     /// <returns>The awaited collection if it is not <c>null</c> or empty.</returns>
     /// <exception cref="NotFoundException">Thrown if the result is <c>null</c> or empty.</exception>
-    public static async Task<IEnumerable<T>> ThrowIfNull<T, TException>(this Task<IEnumerable<T>> task, Func<TException> factory) where TException : Exception
+    public static async Task<IEnumerable<T>> ThrowIfEmpty<T, TException>(this Task<IEnumerable<T>> task, Func<TException> factory) where TException : Exception
     {
         var result = await task;
         return result?.Any() ?? false ? result : throw factory();

EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQuery.cs

@@ -16,6 +16,4 @@ public record ReadHistoryQuery(
     [Required]
     int EnvelopeId,
     Constants.EnvelopeStatus? Status = null,
-    bool? OnlyLast = true) : IRequest<IEnumerable<EnvelopeHistoryDto>>
-{
-};
+    bool? OnlyLast = true) : IRequest<IEnumerable<EnvelopeHistoryDto>>;

EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQueryHandler.cs

@@ -42,10 +42,6 @@ public class ReadHistoryQueryHandler : IRequestHandler<ReadHistoryQuery, IEnumer
             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();
+        return _mapper.Map<IEnumerable<EnvelopeHistoryDto>>(hists);
     }
 }