stub namespaces now that i realize file trees arent namespaces

db.go

@@ -17,6 +17,7 @@ type DB interface {
 	Set(string, []byte, ...string) error
 	List([]string, ...string) ([]string, error)
 	Close() error
+	//Namespaces() ([][]string, error)
 }
 
 func New(key Type, params ...string) (db DB, err error) {

files.go

@@ -2,6 +2,7 @@ package storage
 
 import (
 	"bytes"
+	"errors"
 	"io"
 	"io/ioutil"
 	"local/storage/resolve"
@@ -34,6 +35,10 @@ func NewFiles(root string) (*Files, error) {
 	}, os.MkdirAll(root, os.ModePerm)
 }
 
+func (b *Files) Namespaces() ([][]string, error) {
+	return nil, errors.New("not impl")
+}
+
 func (b *Files) List(ns []string, limits ...string) ([]string, error) {
 	namespace := resolve.Namespace(ns)
 	limits = resolve.Limits(limits)

map.go

@@ -38,6 +38,14 @@ func (m *Map) Close() error {
 	return nil
 }
 
+func (m *Map) Namespaces() ([][]string, error) {
+	keys := [][]string{}
+	for key := range m.m {
+		keys = append(keys, resolve.UnNamespace(key))
+	}
+	return keys, nil
+}
+
 func (m *Map) List(ns []string, limits ...string) ([]string, error) {
 	m.lock.RLock()
 	defer m.lock.RUnlock()

rclone/rclone.go

@@ -2,6 +2,7 @@ package rclone
 
 import (
 	"bytes"
+	"errors"
 	"io"
 	"io/ioutil"
 	"local/storage/resolve"
@@ -110,6 +111,10 @@ func (rc *RClone) Close() error {
 	return nil
 }
 
+func (rc *RClone) Namespaces() ([][]string, error) {
+	return nil, errors.New("not impl")
+}
+
 func (rc *RClone) List(ns []string, limits ...string) ([]string, error) {
 	namespace := rc.ns
 	if len(ns) > 0 {

redis.go

@@ -33,6 +33,31 @@ func (m *Redis) Close() error {
 	return m.client.Close()
 }
 
+func (m *Redis) Namespaces() ([][]string, error) {
+	resp, err := m.client.Do("KEYS", "*")
+	if err != nil {
+		return nil, err
+	}
+	keys := map[string][]string{}
+	results, ok := resp.([]interface{})
+	if !ok {
+		return nil, ErrNotFound
+	}
+	for _, key := range results {
+		pieces := resolve.UnNamespace(fmt.Sprintf("%s", key))
+		if len(pieces) < 2 {
+			continue
+		}
+		pieces = pieces[:len(pieces)-1]
+		keys[fmt.Sprint(pieces)] = pieces
+	}
+	result := make([][]string, 0, len(keys))
+	for _, v := range keys {
+		result = append(result, v)
+	}
+	return result, nil
+}
+
 func (m *Redis) List(ns []string, limits ...string) ([]string, error) {
 	limits = resolve.Limits(limits)
 	limits[0] = resolve.Namespace(append(ns, limits[0]))
@@ -44,23 +69,23 @@ func (m *Redis) List(ns []string, limits ...string) ([]string, error) {
 	}
 
 	keys := []string{}
-	if results, ok := resp.([]interface{}); !ok {
+	results, ok := resp.([]interface{})
+	if !ok {
 		return nil, ErrNotFound
-	} else {
-		for i := range results {
-			_, ok := results[i].([]uint8)
-			if !ok {
-				return nil, errors.New("not a []byte key")
-			}
-			k := fmt.Sprintf("%s", results[i])
-			if k < limits[0] {
-				continue
-			}
-			if k > limits[1] {
-				break
-			}
-			keys = append(keys, k)
+	}
+	for i := range results {
+		_, ok := results[i].([]uint8)
+		if !ok {
+			return nil, errors.New("not a []byte key")
 		}
+		k := fmt.Sprintf("%s", results[i])
+		if k < limits[0] {
+			continue
+		}
+		if k > limits[1] {
+			break
+		}
+		keys = append(keys, k)
 	}
 	return keys, nil
 }

resolve/resolve.go

@@ -7,6 +7,10 @@ import (
 
 var DefaultNamespace = "namespace"
 
+func UnNamespace(ns string) []string {
+	return strings.Split(ns, ".")
+}
+
 func Namespace(ns []string) string {
 	namespace := DefaultNamespace
 	if len(ns) > 0 {