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/*
* 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
}
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