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Enhance PDF attachment detection and counting

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Refactored `DevExpressPdfProcessor` to improve attachment detection:
- Changed `DetectEmbeddedFiles` return type to a tuple for better
  handling of attachment presence and count.
- Enhanced logic to parse `/Names` arrays and count object references
  for accurate attachment detection.
- Implemented robust search for `/EmbeddedFiles` to handle multiple
  occurrences and ensure proper context validation.

Updated PHASENPLAN.md and ROADMAP.md to reflect these changes, including
the addition of fixes for attachment detection and counting logic.

Added new tests in `DevExpressPdfProcessorTests`:
- Verified detection of multiple attachments and accurate counts.
- Ensured no crashes when processing PDFs with `/EmbeddedFiles`.

Included a new test resource (`pdfWithMoreThanOneAttachment.pdf`) for
validating multiple attachment scenarios.
This commit is contained in:
OlgunR
2026-06-25 17:17:32 +02:00
parent 1b38d5a729
commit 18e956c2cf
6 changed files with 82 additions and 21 deletions
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DocumentOperator.API/PHASENPLAN.md
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@@ -481,7 +481,8 @@
| 17.01.2025 | **Feature 1 - Step 1.2** | ? **ABGESCHLOSSEN** - API Layer (ExceptionMiddleware, Endpoint, Program.cs, Integration Tests - 3/3 grün) |
| 17.01.2025 | **Feature 1 - Step 1.3** | ? **ABGESCHLOSSEN** - Swagger Dokumentation (SwaggerConfiguration, XML Comments, Endpoint/DTO-Dokumentation - 11/11 Tests grün) |
| 17.01.2025 | **Feature 1** | ? **KOMPLETT ABGESCHLOSSEN** - ValidatePDF Feature testbar im Swagger UI! |
| 17.01.2025 | **Bugfix: Attachment Detection** | ? **IMPLEMENTIERT** - ValidatePDF erkennt jetzt Attachments (ZUGFeRD-PDFs) korrekt - 12/12 Tests grün |
| 17.01.2025 | **Fix: Attachment Detection (Multiple Attachments)** | ? **KORRIGIERT** - ValidatePDF erkennt jetzt auch PDFs mit mehreren Attachments korrekt (globale Suche statt 1000-Zeichen-Limit) - 13/13 Tests grün |
| 17.01.2025 | **Fix: Attachment Count (6 Attachments)** | ? **KORRIGIERT** - AttachmentCount wird jetzt korrekt gezählt (objectCount statt objectCount/2). PDFs mit 6 Attachments werden korrekt erkannt - 13/13 Tests grün |
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