Initial commit

lib/ex_data_gov_u_a/streamers/file_streamer.ex

@@ -0,0 +1,14 @@
+defmodule ExDataGovUA.Streamers.FileStreamer do
+  @chunk_size 2048
+  @spec export(Stream.t(), String.t()) :: Atom.t()
+  def export(stream, filename) do
+    stream
+    |> Stream.into(File.stream!(filename, [], @chunk_size))
+  end
+
+  @spec import(String.t()) :: File.Stream.t()
+  def import(filename) do
+    filename
+    |> File.stream!([], @chunk_size)
+  end
+end

lib/ex_data_gov_u_a/streamers/http_streamer.ex

@@ -0,0 +1,8 @@
+defmodule ExDataGovUA.Streamers.HttpStreamer do
+  alias ExDataGovUA.Commons.HttpStream
+
+  def get(url) do
+    url
+    |> HttpStream.get()
+  end
+end