49 lines
944 B
Go
49 lines
944 B
Go
package db
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import (
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"encoding/json"
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"errors"
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badger "github.com/dgraph-io/badger/v3"
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"github.com/eternal-flame-AD/yoake/config"
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)
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type DB interface {
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NewTransaction(update bool) DBTxn
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}
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type DBTxn interface {
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Set(key, value []byte) error
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Delete(key []byte) error
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Get(key []byte) ([]byte, error)
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Commit() error
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Discard()
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}
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func GetJSON(t DBTxn, key []byte, v interface{}) error {
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if data, err := t.Get(key); err != nil {
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return err
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} else {
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return json.Unmarshal(data, v)
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}
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}
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func SetJSON(t DBTxn, key []byte, v interface{}) error {
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if data, err := json.Marshal(v); err != nil {
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return err
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} else {
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return t.Set(key, data)
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}
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}
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func New(conf config.C) (DB, error) {
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if conf.DB.Badger.Dir != "" {
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opts := badger.DefaultOptions(conf.DB.Badger.Dir)
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if db, err := badger.Open(opts); err != nil {
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return nil, err
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} else {
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return &BadgerDB{db}, nil
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}
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}
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return nil, errors.New("no database configured")
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}
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