Misc refactors 2024-03-14 (#89)

* Adds method to improve cleanup of empty directories

* resolved bug where source metadata worker could call itself in an infinite loop

* Refactored file deletion for media items

* Removed useless filesystem data worker

* Updated task listing fns to take a record directly

* Refactored the way I call workers

* Improved some tests

test/pinchflat/slow_indexing/media_collection_indexing_worker_test.exs

@@ -103,7 +103,7 @@ defmodule Pinchflat.SlowIndexing.MediaCollectionIndexingWorkerTest do
       source = source_fixture(index_frequency_minutes: 10)
 
       task_count_fetcher = fn ->
-        Enum.count(Tasks.list_tasks_for(:source_id, source.id, "MediaCollectionIndexingWorker"))
+        Enum.count(Tasks.list_tasks_for(source, "MediaCollectionIndexingWorker"))
       end
 
       assert_changed([from: 0, to: 1], task_count_fetcher, fn ->

test/pinchflat/slow_indexing/slow_indexing_helpers_test.exs

@@ -149,7 +149,7 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpersTest do
 
       SlowIndexingHelpers.index_and_enqueue_download_for_media_items(source)
 
-      assert [] = Tasks.list_tasks_for(:media_item_id, media_item.id)
+      assert [] = Tasks.list_tasks_for(media_item)
     end
 
     test "it doesn't blow up if a media item cannot be coerced into a struct", %{source: source} do
@@ -290,5 +290,22 @@ defmodule Pinchflat.SlowIndexing.SlowIndexingHelpersTest do
       assert Repo.aggregate(MediaItem, :count, :id) == 3
       assert [_, _, _] = all_enqueued(worker: MediaDownloadWorker)
     end
+
+    test "does not blow up if the file returns invalid json", %{source: source} do
+      watcher_poll_interval = Application.get_env(:pinchflat, :file_watcher_poll_interval)
+
+      stub(YtDlpRunnerMock, :run, fn _url, _opts, _ot, addl_opts ->
+        filepath = Keyword.get(addl_opts, :output_filepath)
+        File.write(filepath, "INVALID")
+
+        # Need to add a delay to ensure the file watcher has time to read the file
+        :timer.sleep(watcher_poll_interval * 2)
+        # We know we're testing the file watcher since the syncronous call will only
+        # return an empty string (creating no records)
+        {:ok, ""}
+      end)
+
+      assert [] = SlowIndexingHelpers.index_and_enqueue_download_for_media_items(source)
+    end
   end
 end