Adding, Tweaking, Etc.

bucket_funcs.go

@@ -143,11 +143,12 @@ func GetBool(bkt *bolt.Bucket, key string) (bool, error) {
 	if err != nil {
 		return false, err
 	}
-	if r == "true" || r == "1" {
+	switch r {
+	case "true", "1":
 		return true, nil
-	} else if r == "false" || r == "0" {
+	case "false", "0":
 		return false, nil
-	} else {
+	default:
 		return false, fmt.Errorf("cannot parse as a boolean")
 	}
 }
@@ -384,3 +385,53 @@ func SetKeyValueStringMap(bkt *bolt.Bucket, kvMap map[string]string) error {
 	}
 	return SetKeyValueMap(bkt, chain)
 }
+
+func GetStruct[T any](bkt *bolt.Bucket, fn func(*bolt.Bucket) (T, error)) (T, error) {
+	return fn(bkt)
+}
+
+func SetStruct[T any](bkt *bolt.Bucket, value T, fn func(*bolt.Bucket, T) error) error {
+	return fn(bkt, value)
+}
+
+func GetStructList[T any](bkt *bolt.Bucket, fn func(*bolt.Bucket) (T, error)) ([]T, error) {
+	var ret []T
+	if bkt == nil {
+		return nil, fmt.Errorf("bucket must not be nil")
+	}
+	keyList, err := GetBucketList(bkt)
+	if err != nil {
+		return nil, err
+	}
+	for _, k := range keyList {
+		sBkt, err := GetBucket(bkt, k)
+		if err != nil {
+			return nil, err
+		}
+		v, err := fn(sBkt)
+		if err != nil {
+			return nil, err
+		}
+		ret = append(ret, v)
+	}
+	return ret, nil
+}
+
+func SetStructList[T any](bkt *bolt.Bucket, values []T, fn func(*bolt.Bucket, T) error) error {
+	bkt.SetSequence(0)
+	for _, v := range values {
+		id, _ := bkt.NextSequence()
+		bId := make([]byte, 8)
+		binary.BigEndian.PutUint64(bId, id)
+		// Delete the bucket if it already exists
+		bkt.DeleteBucket(bId)
+		structBkt, err := bkt.CreateBucketIfNotExists(bId)
+		if err != nil {
+			return err
+		}
+		if err = fn(structBkt, v); err != nil {
+			return err
+		}
+	}
+	return nil
+}