95 lines
1.7 KiB
Go
95 lines
1.7 KiB
Go
package users
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import (
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"encoding/json"
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"go.etcd.io/bbolt"
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)
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var _ UserStore = &BoltUserStore{}
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var keyUsers = []byte("users")
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type BoltUserStore struct {
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db *bbolt.DB
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}
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func NewBoltUserStore(path string) (*BoltUserStore, error) {
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db, err := bbolt.Open(path, 0666, nil) // nolint: gomnd
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if err != nil {
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return nil, err
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}
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if err := db.Update(func(tx *bbolt.Tx) error {
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_, err := tx.CreateBucketIfNotExists(keyUsers)
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return err
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}); err != nil {
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return nil, err
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}
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return &BoltUserStore{db: db}, nil
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}
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func (s *BoltUserStore) Close() error {
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return s.db.Close()
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}
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func (s *BoltUserStore) Get(username string) (*User, error) {
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var user User
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err := s.db.View(func(tx *bbolt.Tx) error {
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bkt := tx.Bucket(keyUsers)
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rawUser := bkt.Get([]byte(username))
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if err := json.Unmarshal(rawUser, &user); err != nil {
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return err
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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return &user, nil
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}
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func (s *BoltUserStore) Store(user *User) error {
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return s.db.Update(func(tx *bbolt.Tx) error {
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bkt := tx.Bucket(keyUsers)
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data, err := json.Marshal(user)
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if err != nil {
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return err
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}
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return bkt.Put([]byte(user.Username), data)
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})
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}
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func (s *BoltUserStore) Delete(username string) error {
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return s.db.Update(func(tx *bbolt.Tx) error {
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bkt := tx.Bucket(keyUsers)
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return bkt.Delete([]byte(username))
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})
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}
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func (s *BoltUserStore) List() ([]string, error) {
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var ids []string
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err := s.db.View(func(tx *bbolt.Tx) error {
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bkt := tx.Bucket(keyUsers)
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c := bkt.Cursor()
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for k, _ := c.First(); k != nil; k, _ = c.Next() {
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ids = append(ids, string(k))
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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return ids, nil
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}
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