Initial commit

lib/ex_data_gov_u_a/archivers/base.ex

@@ -0,0 +1,7 @@
+defmodule ExDataGovUA.Archivers.Base do
+  @type stream :: Stream.t()
+
+  @callback deflate(stream) :: stream
+
+  @callback inflate(stream) :: stream
+end

lib/ex_data_gov_u_a/archivers/gz.ex

@@ -0,0 +1,19 @@
+defmodule ExDataGovUA.Archivers.Gz do
+  @behaviour ExDataGovUA.Archivers.Base
+
+  @type input :: Stream.t()
+  @type output :: Stream.t()
+
+  @spec deflate(input) :: output
+  @doc """
+    Pack data to archive
+  """
+  def deflate(stream), do: stream |> StreamGzip.gzip
+
+
+  @spec inflate(input) :: output
+  @doc """
+    Extract data from archive
+  """
+  def inflate(stream), do: stream |> StreamGzip.gunzip
+end