Users + Nuts + Sauce

nuss.go

@@ -4,13 +4,44 @@ import (
 	"github.com/xujiajun/nutsdb"
 )
 
-func Nuss() (*nutsdb.DB, error) {
-	opt := nutsdb.DefaultOptions
-	// TODO change
-	opt.Dir = "/tmp/yagoodb"
-	db, err := nutsdb.Open(opt)
-	if err != nil {
-		return nil, err
-	}
-	return db, err
+func DbClean() error {
+	err := db.Update(
+		func(tx *nutsdb.Tx) error {
+			return db.Merge()
+		})
+	return err
+}
+
+func DbSave(bucket, key string, val []byte) error {
+	err := db.Update(
+		func(tx *nutsdb.Tx) error {
+			keyBytes := []byte(key)
+			return tx.Put(bucket, keyBytes, val, 0)
+		})
+	return err
+}
+
+func DbRead(bucket, key string) ([]byte, error) {
+	var val []byte
+	err := db.View(
+		func(tx *nutsdb.Tx) error {
+			key := []byte("name1")
+			e, err := tx.Get(bucket, key)
+			if err != nil {
+				return err
+			}
+			val = make([]byte, e.Size())
+			copy(val, e.Value)
+			return err
+		})
+	return val, err
+}
+
+func DbDelete(bucket, key string, val []byte) error {
+	err := db.Update(
+		func(tx *nutsdb.Tx) error {
+			keyBytes := []byte(key)
+			return tx.Delete(bucket, keyBytes)
+		})
+	return err
 }