more big changes

internal/db/pg/util.go

@@ -1,74 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Affero General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package pg
-
-import (
-	"context"
-
-	"database/sql"
-
-	"github.com/superseriousbusiness/gotosocial/internal/db"
-	"github.com/uptrace/bun"
-)
-
-// processErrorResponse parses the given error and returns an appropriate DBError.
-func processErrorResponse(err error) db.Error {
-	switch err {
-	case nil:
-		return nil
-	case sql.ErrNoRows:
-		return db.ErrNoEntries
-	default:
-		return err
-	}
-}
-
-func exists(ctx context.Context, q *bun.SelectQuery) (bool, db.Error) {
-	count, err := q.Count(ctx)
-
-	exists := count != 0
-
-	err = processErrorResponse(err)
-
-	if err != nil {
-		if err == db.ErrNoEntries {
-			return false, nil
-		}
-		return false, err
-	}
-
-	return exists, nil
-}
-
-func notExists(ctx context.Context, q *bun.SelectQuery) (bool, db.Error) {
-	count, err := q.Count(ctx)
-
-	notExists := count == 0
-
-	err = processErrorResponse(err)
-
-	if err != nil {
-		if err == db.ErrNoEntries {
-			return true, nil
-		}
-		return false, err
-	}
-
-	return notExists, nil
-}