be more defensive when searching

Author: zenlor

internal/core/handlers.go

@@ -334,7 +334,7 @@ func AbraxasHandler(ctx context.Context, b *tg.Bot, update *tg.Update) (*tg.Send
 				slog.Error("media search, nothing found, continuing")
 				// continue...
 			} else {
-				slog.Error("error in db.SelectRandomMedia()", "err", err)
+				slog.Error("error in db.SearchRandomMedia()", "err", err)
 				return nil, err
 			}
 		} else {

internal/db/media.go

@@ -2,6 +2,7 @@ package db
 
 import (
 	"context"
+	"database/sql"
 	"fmt"
 	"time"
 
@@ -213,6 +214,9 @@ func SearchRandomMedia(ctx context.Context, m *Media, term string) error {
 	}
 
 	term = utils.CleanText(term)
+	if len(term) == 0 {
+		return sql.ErrNoRows
+	}
 	stringGid := fmt.Sprint(m.GID) // FTS tables are text by default
 	return q.GetContext(ctx, m, term, stringGid, stringGid)
 }
@@ -235,6 +239,9 @@ func SearchMedia(ctx context.Context, gid int64, term string, offset int) ([]Med
 	}
 
 	term = utils.CleanText(term)
+	if len(term) == 0 {
+		return results, nil
+	}
 	stringGid := fmt.Sprint(gid) // FTS tables are text by default
 	return results, q.Select(&results, term, stringGid, offset)
 }