Files
storage/bbolt/bbolt.go
Juan Calderon-Perez 3a8b8d4f71 Add Conn() support to all storage drivers. (#451)
* Add DB() support for Redis driver

* Added support for DB() to all drivers

* Fixed typo in README and Lint issue

* Fix lint issue with ristretto db

* Fix lint issue with bbolt db

* Rename DB() to Conn()

* Replace all instances of _DB with _Conn

* Update all the README files

* Return ArangoDB Client instead of DB
2022-08-15 07:58:13 +02:00

112 lines
2.0 KiB
Go

package bbolt
import (
"time"
"github.com/gofiber/utils"
"go.etcd.io/bbolt"
)
// Storage interface that is implemented by storage providers
type Storage struct {
conn *bbolt.DB
bucket string
}
// New creates a new storage
func New(config ...Config) *Storage {
// Set default config
cfg := configDefault(config...)
conn, err := bbolt.Open(cfg.Database, 0666, &bbolt.Options{
Timeout: cfg.Timeout,
ReadOnly: cfg.ReadOnly,
})
if err != nil {
panic(err)
}
// Reset bucket if field selected
if cfg.Reset {
if err := removeBucket(cfg, conn); err != nil {
panic(err)
}
}
// Create bucket if not exists
if err := createBucket(cfg, conn); err != nil {
panic(err)
}
return &Storage{
conn: conn,
bucket: cfg.Bucket,
}
}
// Get value by key
func (s *Storage) Get(key string) ([]byte, error) {
if len(key) <= 0 {
return nil, nil
}
var value []byte
err := s.conn.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(utils.UnsafeBytes(s.bucket))
value = b.Get(utils.UnsafeBytes(key))
return nil
})
return value, err
}
// Set key with value
func (s *Storage) Set(key string, value []byte, exp time.Duration) error {
if len(key) <= 0 || len(value) <= 0 {
return nil
}
return s.conn.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(utils.UnsafeBytes(s.bucket))
return b.Put(utils.UnsafeBytes(key), value)
})
}
// Delete entry by key
func (s *Storage) Delete(key string) error {
if len(key) <= 0 {
return nil
}
return s.conn.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(utils.UnsafeBytes(s.bucket))
return b.Delete(utils.UnsafeBytes(key))
})
}
// Reset all entries
func (s *Storage) Reset() error {
return s.conn.Update(func(tx *bbolt.Tx) error {
b := tx.Bucket(utils.UnsafeBytes(s.bucket))
return b.ForEach(func(k, _ []byte) error {
return b.Delete(k)
})
})
}
// Close the database
func (s *Storage) Close() error {
return s.conn.Close()
}
// Return database client
func (s *Storage) Conn() *bbolt.DB {
return s.conn
}