92 lines
3.2 KiB
C#
92 lines
3.2 KiB
C#
using AutoMapper;
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using DigitalData.Core.Abstraction.Application.Repository;
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using DigitalData.Core.Exceptions;
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using EnvelopeGenerator.Application.Common.Dto.History;
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using MediatR;
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using EnvelopeGenerator.Domain.Entities;
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using Microsoft.EntityFrameworkCore;
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namespace EnvelopeGenerator.Application.Histories.Queries;
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//TODO: Add sender query
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/// <summary>
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/// Repräsentiert eine Abfrage für die Verlaufshistorie eines Umschlags.
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/// </summary>
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public record ReadHistoryQuery : HistoryQueryBase, IRequest<IEnumerable<HistoryDto>>
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{
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/// <summary>
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/// Abfrage zur Steuerung, ob nur der aktuelle Include oder der gesamte Datensatz zurückgegeben wird.
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/// </summary>
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public bool OnlyLast { get; init; } = true;
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}
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/// <summary>
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///
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/// </summary>
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public class ReadHistoryQueryHandler : IRequestHandler<ReadHistoryQuery, IEnumerable<HistoryDto>>
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{
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private readonly IRepository<History> _repo;
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private readonly IMapper _mapper;
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/// <summary>
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///
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/// </summary>
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/// <param name="repo"></param>
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/// <param name="mapper"></param>
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public ReadHistoryQueryHandler(IRepository<History> repo, IMapper mapper)
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{
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_repo = repo;
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_mapper = mapper;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="request"></param>
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/// <param name="cancel"></param>
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/// <returns></returns>
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/// <exception cref="NotFoundException"></exception>
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public async Task<IEnumerable<HistoryDto>> Handle(ReadHistoryQuery request, CancellationToken cancel = default)
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{
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var query = _repo.Query;
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if (request.Envelope.Id is int envId)
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query = query.Where(e => e.Id == envId);
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else if (request.Envelope.Uuid is string uuid)
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query = query.Where(e => e.Envelope!.Uuid == uuid);
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#pragma warning disable CS0618 // Type or member is obsolete
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else if (request.EnvelopeId is not null)
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query = query.Where(h => h.EnvelopeId == request.EnvelopeId);
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#pragma warning restore CS0618 // Type or member is obsolete
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else
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throw new BadRequestException("Invalid request: An Envelope object or a valid EnvelopeId/UUID must be supplied.");
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#pragma warning disable CS0618 // Type or member is obsolete
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if (request.Status is not null)
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query = query.Where(h => h.Status == request.Status);
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#pragma warning restore CS0618 // Type or member is obsolete
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if (request.Statuses is not null)
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{
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var status = request.Statuses;
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if (status.Min is not null)
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query = query.Where(er => er.Envelope!.Status >= status.Min);
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if (status.Max is not null)
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query = query.Where(er => er.Envelope!.Status <= status.Max);
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if (status.Include?.Count() > 0)
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query = query.Where(er => status.Include.Contains(er.Envelope!.Status));
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if (status.Ignore is not null)
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query = query.Where(er => !status.Ignore.Contains(er.Envelope!.Status));
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}
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if (request.OnlyLast)
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query = query.OrderByDescending(x => x.AddedWhen);
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var hists = await query.ToListAsync(cancel);
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return _mapper.Map<List<HistoryDto>>(hists);
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}
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} |