add LoadAllServerCards from badger

client/serverstorage.go

@@ -126,6 +126,39 @@ func (ss *ServerStorage) LoadAllServers() ([]*Server, error) {
 	return scs, err
 }
 
+// LoadAllServers function loads all ServersCards from a badger database
+func (ss *ServerStorage) LoadAllServerCards() ([]*meowlib.ServerCard, error) {
+	var scs []*meowlib.ServerCard
+	err := ss.open()
+	if err != nil {
+		return nil, err
+	}
+	defer ss.close()
+	err = ss.db.View(func(txn *badger.Txn) error {
+		opts := badger.DefaultIteratorOptions
+		opts.PrefetchSize = 10
+		it := txn.NewIterator(opts)
+		defer it.Close()
+		for it.Rewind(); it.Valid(); it.Next() {
+			item := it.Item()
+			var sc Server
+			err := item.Value(func(val []byte) error {
+				jsonsrv, err := meowlib.SymDecrypt(GetConfig().memoryPassword, val)
+				if err != nil {
+					return err
+				}
+				return json.Unmarshal(jsonsrv, &sc)
+			})
+			if err != nil {
+				return err
+			}
+			scs = append(scs, sc.GetServerCard())
+		}
+		return nil
+	})
+	return scs, err
+}
+
 // LoadServersFromUids function loads Servers with id in []Uid parameter from a badger database
 func (ss *ServerStorage) LoadServersFromUids(uids []string) ([]*Server, error) {
 	var scs []*Server