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Add EnforceSingleResult to config query and improve errors

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Added EnforceSingleResult to ReadDefaultConfigQuery to allow strict single-result enforcement. Updated handler logic to use SingleOrDefaultAsync when requested. Replaced InvalidOperationException with NotFoundException and improved error messaging when no configuration is found.
This commit is contained in:
tekh
2026-03-06 11:35:49 +01:00
parent 020cecabf3
commit 4cf54d36b9
1 changed files with 9 additions and 1 deletions
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10
EnvelopeGenerator.Application/Configuration/Queries/ReadDefaultConfigQuery.cs
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@@ -1,5 +1,6 @@
using AutoMapper; using AutoMapper;
using DigitalData.Core.Abstraction.Application.Repository; using DigitalData.Core.Abstraction.Application.Repository;
using DigitalData.Core.Exceptions;
using EnvelopeGenerator.Application.Common.Dto; using EnvelopeGenerator.Application.Common.Dto;
using EnvelopeGenerator.Domain.Entities; using EnvelopeGenerator.Domain.Entities;
using MediatR; using MediatR;
@@ -12,6 +13,10 @@ namespace EnvelopeGenerator.Application.Configuration.Queries;
/// </summary> /// </summary>
public record ReadDefaultConfigQuery : IRequest<ConfigDto> public record ReadDefaultConfigQuery : IRequest<ConfigDto>
{ {
/// <summary>
///
/// </summary>
public bool EnforceSingleResult { get; init; }
} }
/// <summary> /// <summary>
@@ -43,7 +48,10 @@ public class ReadDefaultConfigQueryHandler : IRequestHandler<ReadDefaultConfigQu
/// <exception cref="InvalidOperationException"></exception> /// <exception cref="InvalidOperationException"></exception>
public async Task<ConfigDto> Handle(ReadDefaultConfigQuery request, CancellationToken cancel) public async Task<ConfigDto> Handle(ReadDefaultConfigQuery request, CancellationToken cancel)
{ {
var config = await _repo.Query.FirstOrDefaultAsync(cancel) ?? throw new InvalidOperationException("No configuration found."); var config = request.EnforceSingleResult
? await _repo.Query.SingleOrDefaultAsync(cancel)
: await _repo.Query.FirstOrDefaultAsync(cancel)
?? throw new NotFoundException("Default configuration could not be found. Ensure at least one configuration record exists in the database.");
return _mapper.Map<ConfigDto>(config); return _mapper.Map<ConfigDto>(config);
} }
} }