overalSummary nil response

internal/tender/service.go

@@ -827,14 +827,14 @@ func (s *tenderService) CleanupOldData(ctx context.Context, olderThan time.Durat
 }
 
 // GetAISummary retrieves the AI-generated summary for a tender.
-// It first tries to fetch from MinIO storage (async pipeline result).
-// If not found or not ready, it returns an appropriate error.
+// It loads from MinIO storage (async pipeline result). When no summary exists yet,
+// the pipeline is still running, or storage is unavailable, it returns 200-compatible
+// data with an empty overall_summary and a Source hint instead of an error.
 func (s *tenderService) GetAISummary(ctx context.Context, id string) (*AISummaryResponse, error) {
 	if id == "" {
 		return nil, fmt.Errorf("tender ID cannot be empty")
 	}
 
-	// Get tender to find the notice_publication_id
 	t, err := s.repository.GetByID(ctx, id)
 	if err != nil {
 		s.logger.Error("Failed to get tender for AI summary", map[string]interface{}{
@@ -844,20 +844,24 @@ func (s *tenderService) GetAISummary(ctx context.Context, id string) (*AISummary
 		return nil, fmt.Errorf("failed to get tender: %w", err)
 	}
 
-	if t == nil {
-		return nil, fmt.Errorf("tender not found")
+	noticeID := strings.TrimSpace(t.NoticePublicationID)
+	emptyResp := func(source string) *AISummaryResponse {
+		return &AISummaryResponse{
+			NoticeID:       noticeID,
+			OverallSummary: "",
+			Source:         source,
+		}
 	}
 
-	noticeID := t.NoticePublicationID
-	if noticeID == "" {
-		return nil, fmt.Errorf("tender has no notice publication ID")
-	}
-	if t.ContractFolderID == "" {
-		return nil, fmt.Errorf("tender has no contract folder id")
+	if noticeID == "" || strings.TrimSpace(t.ContractFolderID) == "" {
+		return emptyResp("unavailable"), nil
 	}
 
 	if s.aiSummarizerStorage == nil {
-		return nil, fmt.Errorf("AI summarizer storage is not configured")
+		s.logger.Debug("AI summarizer storage not configured; returning empty AI summary", map[string]interface{}{
+			"tender_id": id,
+		})
+		return emptyResp("unavailable"), nil
 	}
 
 	summary, usedNotice, err := s.lookupSummaryForTender(ctx, t)
@@ -877,10 +881,10 @@ func (s *tenderService) GetAISummary(ctx context.Context, id string) (*AISummary
 	})
 
 	if errors.Is(err, ai_summarizer.ErrSummaryNotReady) {
-		return nil, fmt.Errorf("AI summary is not ready yet, the pipeline is still processing")
+		return emptyResp("pending"), nil
 	}
 	if errors.Is(err, ai_summarizer.ErrObjectNotFound) || errors.Is(err, ai_summarizer.ErrNoOverallSummary) {
-		return nil, fmt.Errorf("AI summary not found — this tender has not been processed by the AI pipeline yet")
+		return emptyResp("unavailable"), nil
 	}
 	return nil, fmt.Errorf("failed to get AI summary: %w", err)
 }