Changes

Apis/rag-api/Services/Contracts/IDocumentClassifier.cs

@@ -0,0 +1,8 @@
+using Rag.Models;
+
+namespace Api.Services.Contracts;
+
+public interface IDocumentClassifier
+{
+    Task<DocumentClassification> ClassifyAsync(string text, string? providedType, string? providedTitle, CancellationToken ct);
+}

Apis/rag-api/Services/Contracts/IRagService.cs

@@ -0,0 +1,12 @@
+using Rag.Models.Requests;
+using Rag.Models.Responses;
+
+namespace Api.Services.Contracts;
+
+public interface IRagService
+{
+    Task<IndexDocumentResponse> IndexTextAsync(IndexDocumentRequest request, CancellationToken ct);
+    Task<IndexDocumentResponse> IndexPdfAsync(IFormFile file, string? documentType, string? title, string? sourceUrl, CancellationToken ct);
+    Task<SearchResponse> SearchAsync(SearchRequest request, CancellationToken ct);
+    Task<RagDocumentDetailsResponse?> GetDocumentAsync(string documentId, CancellationToken ct);
+}

Apis/rag-api/Services/Contracts/ITextChunker.cs

@@ -0,0 +1,6 @@
+namespace Api.Services.Contracts;
+
+public interface ITextChunker
+{
+    IReadOnlyList<string> Chunk(string text, int chunkSize, int overlap);
+}

Apis/rag-api/Services/Contracts/ITextExtractor.cs

@@ -0,0 +1,7 @@
+namespace Api.Services.Contracts;
+
+public interface ITextExtractor
+{
+    Task<string> ExtractPdfAsync(Stream stream, CancellationToken ct);
+    string Normalize(string value);
+}