feeds for each runs all and returns all errs

src/feeds/db.go

@@ -72,15 +72,20 @@ func ForEach(ctx context.Context, cb func(Feed) error) error {
 		return err
 	}
 
+	var errs []string
 	for _, id := range ids {
 		feed, err := Get(ctx, id.ID)
 		if err != nil {
 			return err
 		} else if err := cb(feed); err != nil {
-			return err
+			errs = append(errs, fmt.Sprintf(`failed to fetch %s: %v`, id.ID, err))
 		}
 	}
 
+	if len(errs) > 0 {
+		return fmt.Errorf("failed some callbacks: %+v", errs)
+	}
+
 	return nil
 }