Files
DocumentService/DocumentService.Client/Interfaces/IPdfValidationClient.cs
TekH b3a07f1348 Add interfaces and DTOs for PDF operations support
Introduced multiple interfaces and DTOs to support a wide range of
PDF-related operations, including attachment handling, conversion,
validation, annotation, stamping, and metadata extraction.

Key changes:
- Added `DocumentServiceClientOptions` for HTTP client config.
- Introduced `IPdfAttachmentClient` for attachment operations.
- Added `IPdfConversionClient` for PDF/A conversion (marked obsolete).
- Added `IPdfOperationsClient` for merge, annotate, and stamp ops.
- Introduced `IPdfValidationClient` for PDF and PDF/A validation.
- Added `ISwissQrCodeClient` for Swiss QR Code extraction.
- Added `IZugferdClient` for ZUGFeRD detection and extraction.
- Created request DTOs for Base64-encoded operations.
- Added enums for annotation, stamp, and validation configurations.

These changes provide a flexible and extensible foundation for
interacting with PDF documents, supporting both multipart and
Base64-encoded inputs, and ensuring type safety with enums and records.
2026-07-30 16:59:54 +02:00

76 lines
3.3 KiB
C#

namespace DocumentService.Client.Interfaces;
/// <summary>
/// Client for PDF validation operations (validate, validate PDF/A).
/// </summary>
public interface IPdfValidationClient
{
/// <summary>
/// Validates a PDF from stream (multipart upload).
/// </summary>
/// <param name="pdfStream">PDF file stream</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Validation result with metadata</returns>
Task<PdfValidationResult> ValidatePdfAsync(Stream pdfStream, CancellationToken cancellationToken = default);
/// <summary>
/// Validates a PDF from byte array (Base64 JSON).
/// </summary>
/// <param name="pdfBytes">PDF file as byte array</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>Validation result with metadata</returns>
Task<PdfValidationResult> ValidatePdfAsync(byte[] pdfBytes, CancellationToken cancellationToken = default);
/// <summary>
/// Validates a PDF/A from stream (multipart upload).
/// </summary>
/// <param name="pdfStream">PDF/A file stream</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>PDF/A validation result with conformance level and errors</returns>
Task<PdfAValidationResult> ValidatePdfAAsync(Stream pdfStream, CancellationToken cancellationToken = default);
/// <summary>
/// Validates a PDF/A from byte array (Base64 JSON).
/// </summary>
/// <param name="pdfBytes">PDF/A file as byte array</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>PDF/A validation result with conformance level and errors</returns>
Task<PdfAValidationResult> ValidatePdfAAsync(byte[] pdfBytes, CancellationToken cancellationToken = default);
}
/// <summary>
/// DTO for PDF validation result
/// </summary>
public record PdfValidationResult
{
/// <summary>Total number of pages in the document.</summary>
public int PageCount { get; init; }
/// <summary>File size in bytes.</summary>
public long FileSizeBytes { get; init; }
/// <summary>PDF specification version (e.g. "1.7").</summary>
public string PdfVersion { get; init; } = string.Empty;
/// <summary>Whether the document is password-protected.</summary>
public bool IsEncrypted { get; init; }
/// <summary>Whether the document contains embedded file attachments.</summary>
public bool HasAttachments { get; init; }
/// <summary>Number of embedded file attachments.</summary>
public int AttachmentCount { get; init; }
}
/// <summary>
/// DTO for PDF/A validation result
/// </summary>
public record PdfAValidationResult
{
/// <summary>Whether the document is fully PDF/A conformant.</summary>
public bool IsValid { get; init; }
/// <summary>Detected PDF/A conformance level (e.g. "PDF/A-3b"), or <c>null</c> if not a PDF/A document.</summary>
public string? PdfAVersion { get; init; }
/// <summary>Total number of pages in the document.</summary>
public int PageCount { get; init; }
/// <summary>List of conformance errors found during validation.</summary>
public List<string> Errors { get; init; } = new();
/// <summary>List of conformance warnings found during validation.</summary>
public List<string> Warnings { get; init; } = new();
}