diff options
Diffstat (limited to 'database.go')
-rw-r--r-- | database.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/database.go b/database.go new file mode 100644 index 0000000..e08f42f --- /dev/null +++ b/database.go @@ -0,0 +1,48 @@ +/* + * Database handling + * + * Copyright (C) 2024 Runxi Yu <https://runxiyu.org> + * SPDX-License-Identifier: AGPL-3.0-or-later + * + * 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 <https://www.gnu.org/licenses/>. + */ + +package main + +import ( + "context" + "fmt" + + "github.com/jackc/pgx/v5/pgxpool" +) + +var db *pgxpool.Pool + +const pgErrUniqueViolation = "23505" + +/* + * This must be run during setup, before the database is accessed by any + * means. Otherwise, db would be a null pointer. + */ +func setupDatabase() error { + var err error + if config.DB.Type != "postgres" { + return errUnsupportedDatabaseType + } + db, err = pgxpool.New(context.Background(), config.DB.Conn) + if err != nil { + return fmt.Errorf("%w: %w", errUnexpectedDBError, err) + } + return nil +} |