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

lib/pinchflat/yt_dlp/command_runner.ex

@@ -37,7 +37,8 @@ defmodule Pinchflat.YtDlp.CommandRunner do
 
     case System.cmd(command, formatted_command_opts, stderr_to_stdout: true) do
       {_, 0} ->
-        # IDEA: consider deleting the file after reading it
+        # IDEA: consider deleting the file after reading it. It's in the tmp dir, so it's not
+        # a huge deal, but it's still a good idea to clean up after ourselves.
         # (even on error? especially on error?)
         File.read(output_filepath)
 

lib/pinchflat/yt_dlp/media_collection.ex

@@ -6,7 +6,6 @@ defmodule Pinchflat.YtDlp.MediaCollection do
 
   require Logger
 
-  alias Pinchflat.Utils.FunctionUtils
   alias Pinchflat.Filesystem.FilesystemHelpers
   alias Pinchflat.YtDlp.Media, as: YtDlpMedia
 
@@ -36,11 +35,20 @@ defmodule Pinchflat.YtDlp.MediaCollection do
 
     case runner.run(url, command_opts, output_template, output_filepath: output_filepath) do
       {:ok, output} ->
-        output
-        |> String.split("\n", trim: true)
-        |> Enum.map(&Phoenix.json_library().decode!/1)
-        |> Enum.map(&YtDlpMedia.response_to_struct/1)
-        |> FunctionUtils.wrap_ok()
+        parsed_lines =
+          output
+          |> String.split("\n", trim: true)
+          |> Enum.map(fn line ->
+            case Phoenix.json_library().decode(line) do
+              {:ok, parsed_json} ->
+                YtDlpMedia.response_to_struct(parsed_json)
+
+              _ ->
+                nil
+            end
+          end)
+
+        {:ok, Enum.filter(parsed_lines, &(&1 != nil))}
 
       res ->
         res