feat: reprocess all command

internal/service/dataset.go

@@ -253,6 +253,35 @@ func (s *DatasetService) Reprocess(ctx context.Context, id uuid.UUID) (domain.Da
 	return dataset, nil
 }
 
+// ReprocessAll re-enqueues the processing job for every dataset, restarting each
+// one's asynchronous pipeline from the step appropriate to its file type. It
+// paginates through all datasets and continues past individual failures,
+// returning how many jobs were enqueued and a per-dataset map of any failures.
+func (s *DatasetService) ReprocessAll(ctx context.Context) (enqueued int, failures map[uuid.UUID]error, err error) {
+	failures = make(map[uuid.UUID]error)
+	for offset := 0; ; {
+		summaries, err := s.repo.ListSummaries(ctx, nil, MaxPageSize, offset)
+		if err != nil {
+			return enqueued, failures, err
+		}
+		if len(summaries) == 0 {
+			break
+		}
+		for _, sum := range summaries {
+			if e := s.enqueueProcessing(ctx, domain.Dataset{ID: sum.ID, FileType: sum.FileType}); e != nil {
+				failures[sum.ID] = e
+				continue
+			}
+			enqueued++
+		}
+		if len(summaries) < MaxPageSize {
+			break
+		}
+		offset += len(summaries)
+	}
+	return enqueued, failures, nil
+}
+
 // ExtractProperties reads a plain vector dataset's attribute table and spatial
 // geometry and stores them (the attribute table as a JSON array of row objects
 // in the properties column, the dissolved feature geometry in the geometry