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refactor(pdf): simplify and inline PDF merge logic in PdfMergeBehavior

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- Removed MergeDocuments static method; integrated merge process directly in Handle()
- Added null check for request.Report before merging
- Cleaned up redundant return and improved flow for memory stream handling
- Added DevExpress.XtraReports using directive
- Clarified comment and exception messages for PDF loading and merging
This commit is contained in:
tekh 2025-11-12 13:59:35 +01:00
parent 2dfa1de7e1
commit 5b30465126
1 changed files with 11 additions and 21 deletions
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32
EnvelopeGenerator.Application/Pdf/Behaviors/PdfMergeBehavior.cs
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@ -1,4 +1,5 @@
#if WINDOWS
using DevExpress.XtraReports;
using EnvelopeGenerator.Application.Common.Extensions;
using EnvelopeGenerator.Application.Exceptions;
using EnvelopeGenerator.Domain.Constants;
@ -24,28 +25,13 @@ public class PdfMergeBehavior : IPipelineBehavior<BurnPdfCommand, byte[]>
{
var doc = await next(cancel);
doc = request.Report is byte[] report
? MergeDocuments(doc, report)
: throw new InvalidOperationException("The final document report could not be merged." +
if (request.Report is null)
throw new InvalidOperationException("The final document report could not be merged." +
"There may be an error related to the behavior register order." +
"Request details:\n" + request.ToJson(Format.Json.ForDiagnostics));
string base64String = Convert.ToBase64String(doc);
return doc;
}
/// <summary>
///
/// </summary>
/// <param name="pDocument"></param>
/// <param name="pReport"></param>
/// <returns></returns>
/// <exception cref="MergeDocumentException"></exception>
public static byte[] MergeDocuments(byte[] pDocument, byte[] pReport)
{
using var oDocumentStream = new MemoryStream(pDocument);
using var oReportStream = new MemoryStream(pReport);
using var oDocumentStream = new MemoryStream(doc);
using var oReportStream = new MemoryStream(request.Report);
using var oFinalStream = new MemoryStream();
using var oDocumentPDF = new GdPicturePDF();
using var oReportPDF = new GdPicturePDF();
@ -70,13 +56,17 @@ public class PdfMergeBehavior : IPipelineBehavior<BurnPdfCommand, byte[]>
if (oStatus != GdPictureStatus.OK)
throw new MergeDocumentException($"Documents could not be merged: {oStatus}");
// Convert to PDF/A
// Convert to byte
oMergedPDF.SaveToStream(oFinalStream);
oStatus = oDocumentPDF.GetStat();
if (oStatus != GdPictureStatus.OK)
throw new MergeDocumentException($"Document could not be converted to PDF/A: {oStatus}");
return oFinalStream.ToArray();
doc = oFinalStream.ToArray();
string base64String = Convert.ToBase64String(doc);
return doc;
}
}
#endif