Binary to String

lib/my_button_app/redis.ex

@@ -0,0 +1,11 @@
+defmodule MyButtonApp.Redis do
+
+  @moduledoc false
+  defp binary_to_str(session) do
+    str = String.codepoints(session)
+    arr = Enum.map(Enum.to_list(32..126), fn(n) -> <<n>> end)
+    arr = arr ++ Enum.map(Enum.to_list(128..255), fn(n) -> <<n>> end)
+    Enum.reduce(str, fn (w, accumulator) -> if w in arr, do: accumulator <> w, else: accumulator end)
+  end
+
+end