Media downloading indexing options (round 2) (#14)

* Adds options + option builder + metadata parsing for media thumbnails

* Added release-type options to media profile; built option parser for indexing operations

* Added new media_profile options to creation form; made show helper for rendering database items

* Added options for downloading/embedding metadata

* Adds option on sources to not download media (index only)

* reformatted docs

test/pinchflat/tasks/source_tasks_test.exs

@@ -75,5 +75,21 @@ defmodule Pinchflat.Tasks.SourceTasksTest do
 
       assert [_] = Tasks.list_tasks_for(:media_item_id, media_item.id)
     end
+
+    test "it does not create a job if the source is set to not download" do
+      source = source_fixture(download_media: false)
+
+      assert :ok = SourceTasks.enqueue_pending_media_downloads(source)
+
+      refute_enqueued(worker: VideoDownloadWorker)
+    end
+
+    test "it does not attach tasks if the source is set to not download" do
+      source = source_fixture(download_media: false)
+      media_item = media_item_fixture(source_id: source.id, media_filepath: nil)
+
+      assert :ok = SourceTasks.enqueue_pending_media_downloads(source)
+      assert [] = Tasks.list_tasks_for(:media_item_id, media_item.id)
+    end
   end
 end