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miniflux/storage/storage.go

45 lines
1 KiB
Go

// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package storage // import "miniflux.app/storage"
import (
"context"
"database/sql"
"time"
)
// Storage handles all operations related to the database.
type Storage struct {
db *sql.DB
}
// NewStorage returns a new Storage.
func NewStorage(db *sql.DB) *Storage {
return &Storage{db}
}
// DatabaseVersion returns the version of the database which is in use.
func (s *Storage) DatabaseVersion() string {
var dbVersion string
err := s.db.QueryRow(`SELECT current_setting('server_version')`).Scan(&dbVersion)
if err != nil {
return err.Error()
}
return dbVersion
}
// Ping checks if the database connection works.
func (s *Storage) Ping() error {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
return s.db.PingContext(ctx)
}
// DBStats returns database statistics.
func (s *Storage) DBStats() sql.DBStats {
return s.db.Stats()
}