TekH
28b8c311f9
- Replace Action-based query configuration with direct parameters (uuid, status) - Automatically constructs CountHistoryQuery from provided parameters - Keeps existing EnvelopeId/UUID validation in handler - Improves readability and usability of history count checks
83 lines
2.5 KiB
C#
83 lines
2.5 KiB
C#
using DigitalData.Core.Abstraction.Application.Repository;
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using DigitalData.Core.Exceptions;
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using EnvelopeGenerator.Domain.Constants;
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using EnvelopeGenerator.Domain.Entities;
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using MediatR;
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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 CountHistoryQuery : HistoryQueryBase, IRequest<int>;
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/// <summary>
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///
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/// </summary>
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public static class CountHistoryQueryExtensions
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="uuid"></param>
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/// <param name="status"></param>
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/// <param name="cancel"></param>
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/// <returns></returns>
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public static async Task<bool> AnyHistoryAsync(this ISender sender, string uuid, EnvelopeStatus status, CancellationToken cancel = default)
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{
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var count = await sender.Send(new CountHistoryQuery
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{
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Envelope = new() { Uuid = uuid },
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Status = status,
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}, cancel);
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return count > 0;
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}
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}
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/// <summary>
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///
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/// </summary>
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public class CountHistoryQueryHandler : IRequestHandler<CountHistoryQuery, int>
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{
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private readonly IRepository<History> _repo;
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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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public CountHistoryQueryHandler(IRepository<History> repo)
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{
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_repo = repo;
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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 Task<int> Handle(CountHistoryQuery 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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if (request.Status is not null)
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query = query.Where(h => h.Status == request.Status);
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return query.CountAsync(cancel);
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}
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} |