[Bugfix] Ensure livestreams aren't downloaded until they're finished processing (#485)

* Added logic to ignore downloads that aren't in the right live state

* Added tests for get_downloadable_status method

* Added tests for media downloader module

* Added tests to download worker modeule

test/pinchflat/downloading/media_download_worker_test.exs

@@ -9,6 +9,7 @@ defmodule Pinchflat.Downloading.MediaDownloadWorkerTest do
   alias Pinchflat.Downloading.MediaDownloadWorker
 
   setup do
+    stub(YtDlpRunnerMock, :run, fn _url, _opts, _ot -> {:ok, "{}"} end)
     stub(YtDlpRunnerMock, :run, fn _url, _opts, _ot, _addl -> {:ok, ""} end)
     stub(UserScriptRunnerMock, :run, fn _event_type, _data -> {:ok, "", 0} end)
     stub(HTTPClientMock, :get, fn _url, _headers, _opts -> {:ok, ""} end)
@@ -186,6 +187,20 @@ defmodule Pinchflat.Downloading.MediaDownloadWorkerTest do
     end
   end
 
+  describe "perform/1 when testing non-downloadable media" do
+    test "does not retry the job if the media is currently not downloadable", %{media_item: media_item} do
+      expect(YtDlpRunnerMock, :run, fn _url, _opts, _ot ->
+        {:ok, Phoenix.json_library().encode!(%{"live_status" => "is_live"})}
+      end)
+
+      Oban.Testing.with_testing_mode(:inline, fn ->
+        {:ok, job} = Oban.insert(MediaDownloadWorker.new(%{id: media_item.id}))
+
+        assert job.state == "completed"
+      end)
+    end
+  end
+
   describe "perform/1 when testing forced downloads" do
     test "ignores 'prevent_download' if forced", %{media_item: media_item} do
       expect(YtDlpRunnerMock, :run, fn _url, _opts, _ot, _addl -> :ok end)