feat: add standards workbench and portable rules profiles

2026-07-30 13:18:59 +03:00
parent 958bad6823
commit 86fb8c89d2
5 changed files with 165 additions and 0 deletions
@@ -0,0 +1,33 @@
+using System.Text.RegularExpressions;
+using StandardsWorkbench.Core;
+using UglyToad.PdfPig;
+
+namespace StandardsWorkbench.Pdf;
+
+public sealed class PdfStandardService : IStandardPdfService
+{
+    public Task<(StandardMetadata Metadata, IReadOnlyList<PdfPageText> Pages, IReadOnlyList<StandardClause> Clauses)> ImportAsync(string pdfPath, string code, string title, CancellationToken cancellationToken)
+    {
+        if (!File.Exists(pdfPath)) throw new FileNotFoundException("PDF ГОСТа не найден.", pdfPath);
+        return Task.Run(() =>
+        {
+            using var pdf = PdfDocument.Open(pdfPath); var pages = new List<PdfPageText>();
+            foreach (var page in pdf.GetPages()) { cancellationToken.ThrowIfCancellationRequested(); var text = page.Text ?? ""; pages.Add(new PdfPageText(page.Number, text, text.Trim().Length > 0, text.Trim().Length > 0 ? "Extracted" : "OCR_REQUIRED", text.Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries))); }
+            var standardId = Regex.Replace(code.ToUpperInvariant(), "[^A-ZА-Я0-9]+", "-").Trim('-'); var clauses = ExtractClauses(standardId, pages); var meta = new StandardMetadata { StandardId = standardId, Code = code, Title = title, SourceFileSha256 = ProfileStore.Sha256(pdfPath), PageCount = pages.Count, TextLayerDetected = pages.Any(p => p.TextLayerDetected), ImportedAt = DateTime.UtcNow };
+            return (meta, (IReadOnlyList<PdfPageText>)pages, (IReadOnlyList<StandardClause>)clauses);
+        }, cancellationToken);
+    }
+
+    private static List<StandardClause> ExtractClauses(string id, IReadOnlyList<PdfPageText> pages)
+    {
+        var result = new List<StandardClause>(); string? currentId = null; var currentText = new List<string>(); var start = 1;
+        void Flush(int end) { if (currentId is not null) result.Add(new StandardClause(id, currentId, "", string.Join(Environment.NewLine, currentText), start, end, 0.85)); }
+        foreach (var page in pages) foreach (var line in page.Text.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)) { var match = Regex.Match(line, "^(\\d+(?:\\.\\d+){0,5})[.)]?\\s+(.+)$"); if (match.Success) { Flush(page.PageNumber - 1); currentId = match.Groups[1].Value; currentText = [line]; start = page.PageNumber; } else if (currentId is not null) currentText.Add(line); }
+        Flush(pages.Count); return result;
+    }
+}
+
+public sealed class NoOpOcrService : IPdfOcrService
+{
+    public Task<PdfPageText> RecognizePageAsync(string pdfPath, int pageNumber, CancellationToken cancellationToken) => Task.FromResult(new PdfPageText(pageNumber, "", false, "OCR_REQUIRED", []));
+}