Delete media items (#20)

* Added method for deleting media files and their content

* Adds controllers and methods for deleting media and files

* Improved tmpfile setup and teardown for tests

* Actually got tmpfile cleanup running once per suite run

* Finally fixed flash messages

test/support/fixtures/media_fixtures.ex

@@ -31,9 +31,9 @@ defmodule Pinchflat.MediaFixtures do
   def media_item_with_metadata(attrs \\ %{}) do
     json_filepath =
       Path.join([
-        Path.dirname(__ENV__.file),
+        File.cwd!(),
+        "test",
         "support",
-        "fixtures",
         "files",
         "media_metadata.json"
       ])
@@ -44,4 +44,28 @@ defmodule Pinchflat.MediaFixtures do
 
     media_item_fixture(merged_attrs)
   end
+
+  def media_item_with_attachments(attrs \\ %{}) do
+    stored_media_filepath =
+      Path.join([
+        Application.get_env(:pinchflat, :media_directory),
+        "#{:rand.uniform(1_000_000)}",
+        "#{:rand.uniform(1_000_000)}_media.mkv"
+      ])
+
+    fixture_media_filepath =
+      Path.join([
+        File.cwd!(),
+        "test",
+        "support",
+        "files",
+        "media.mkv"
+      ])
+
+    :ok = File.mkdir_p(Path.dirname(stored_media_filepath))
+    :ok = File.cp(fixture_media_filepath, stored_media_filepath)
+
+    merged_attrs = Map.merge(attrs, %{media_filepath: stored_media_filepath})
+    media_item_fixture(merged_attrs)
+  end
 end