TekH
94123cd1be
Introduced `ZugferdController` to handle ZUGFeRD-related operations, including detection and extraction of ZUGFeRD XML from PDFs via file upload or Base64-encoded payloads. Integrated `MediatR` for query/command handling. Added `ZugferdSettings` for configurable file names and patterns, and updated `appsettings.json` and `Program.cs` to support this configuration. Implemented `HasZugferdQuery` and `ExtractZugferdCommand` with their respective handlers and validators. Added DTOs (`ZugferdCheckResult`, `ZugferdExtractionResult`) for operation results. Included `ZUGFeRD-Example.pdf` for testing and integrated `Serilog.Ui.Core.Extensions` for logging.
63 lines
2.1 KiB
C#
63 lines
2.1 KiB
C#
using DocumentOperator.Application.Common.Configuration;
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using DocumentOperator.Application.Common.DTOs;
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using DocumentOperator.Application.Common.Interfaces;
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using MediatR;
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using Microsoft.Extensions.Options;
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namespace DocumentOperator.Application.HasZugferd.Queries;
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/// <summary>
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/// Query for checking if PDF contains ZUGFeRD XML attachment
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/// </summary>
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public record HasZugferdQuery : IRequest<ZugferdCheckResult>
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{
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/// <summary>
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/// PDF as stream (caller is responsible for disposal)
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/// </summary>
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public required Stream PdfStream { get; init; }
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}
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/// <summary>
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/// Handler for HasZugferdQuery
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/// Checks if PDF contains ZUGFeRD/Factur-X XML attachment
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/// </summary>
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public class HasZugferdQueryHandler(
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IPdfProcessor pdfProcessor,
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IOptions<ZugferdSettings> settings)
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: IRequestHandler<HasZugferdQuery, ZugferdCheckResult>
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{
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private readonly ZugferdSettings _settings = settings.Value;
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/// <summary>
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/// Checks if PDF contains ZUGFeRD XML and returns metadata
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/// </summary>
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public async Task<ZugferdCheckResult> Handle(HasZugferdQuery request, CancellationToken cancellationToken)
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{
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// Get all attachments
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var attachmentInfo = await pdfProcessor.CheckAttachmentsAsync(request.PdfStream);
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// Check for ZUGFeRD/Factur-X XML files using configured names and patterns
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var zugferdAttachment = attachmentInfo.Attachments.FirstOrDefault(a =>
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_settings.ZugferdFileNames.Any(name =>
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a.FileName.Equals(name, StringComparison.OrdinalIgnoreCase)) ||
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_settings.ZugferdFileNamePatterns.Any(pattern =>
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a.FileName.Contains(pattern, StringComparison.OrdinalIgnoreCase)));
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if (zugferdAttachment != null)
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{
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return new ZugferdCheckResult
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{
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HasZugferd = true,
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ZugferdFileName = zugferdAttachment.FileName,
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ZugferdFileSize = zugferdAttachment.SizeBytes,
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ZugferdMimeType = zugferdAttachment.MimeType
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};
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}
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return new ZugferdCheckResult
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{
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HasZugferd = false
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};
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}
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}
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