[Enhancement] Delete media after "x" days (#160)

* [Enhancement] Adds ability to stop media from re-downloading (#159)

* Added column

* Added methods for ignoring media items from future download

* Added new deletion options to controller and UI

* Added controller actions and UI for editing a media item

* Added column to sources

* Added retention period to form

* [WIP] getting retention methods in place

* Hooked up retention worker

* Added column and UI to prevent automatic deletion

* Docs

* Removed unused backfill worker

* Added edit links to media item tabs on source view

* Clarified form wording

* Form wording (again)

lib/pinchflat/boot/data_backfill_worker.ex

@@ -1,62 +0,0 @@
-defmodule Pinchflat.Boot.DataBackfillWorker do
-  @moduledoc false
-
-  use Oban.Worker,
-    queue: :local_metadata,
-    unique: [period: :infinity, states: [:available, :scheduled, :retryable]],
-    tags: ["media_item", "media_metadata", "local_metadata", "data_backfill"]
-
-  # This one is going to be a little more self-contained
-  # instead of relying on outside modules for the methods.
-  # That's because, for now, these methods are not intended
-  # to be used elsewhere.
-  #
-  # I'm just trying out that pattern and seeing if I like it better
-  # so this may change.
-  import Ecto.Query, warn: false
-  require Logger
-
-  alias __MODULE__
-  alias Pinchflat.Repo
-
-  @doc """
-  Cancels all pending backfill jobs. Useful for ensuring worker runs immediately
-  on app boot.
-
-  Returns {:ok, integer()}
-  """
-  def cancel_pending_backfill_jobs do
-    Oban.Job
-    |> where(worker: "Pinchflat.Boot.DataBackfillWorker")
-    |> Oban.cancel_all_jobs()
-  end
-
-  @impl Oban.Worker
-  @doc """
-  Performs one-off tasks to get data in the right shape.
-  This can be needed when we add new features or change the way
-  we store data. Must be idempotent. All new data should already
-  conform to the expected schema so this should only be needed
-  for existing data. Still runs periodically to be safe.
-
-  Returns :ok
-  """
-  def perform(%Oban.Job{}) do
-    Logger.info("Running data backfill worker")
-    # Nothing to do for now - just reschedule
-    # Keeping in-place because we _will_ need it in the future
-
-    reschedule_backfill()
-
-    :ok
-  end
-
-  defp reschedule_backfill do
-    # Run hourly
-    next_run_in = 60 * 60
-
-    %{}
-    |> DataBackfillWorker.new(schedule_in: next_run_in)
-    |> Repo.insert_unique_job()
-  end
-end

lib/pinchflat/boot/post_job_startup_tasks.ex

@@ -11,9 +11,6 @@ defmodule Pinchflat.Boot.PostJobStartupTasks do
   use GenServer, restart: :temporary
   import Ecto.Query, warn: false
 
-  alias Pinchflat.Repo
-  alias Pinchflat.Boot.DataBackfillWorker
-
   def start_link(opts \\ []) do
     GenServer.start_link(__MODULE__, %{}, opts)
   end
@@ -29,16 +26,7 @@ defmodule Pinchflat.Boot.PostJobStartupTasks do
   """
   @impl true
   def init(state) do
-    enqueue_backfill_worker()
-
+    # Empty for now, keeping because tasks _will_ be added in future
     {:ok, state}
   end
-
-  defp enqueue_backfill_worker do
-    DataBackfillWorker.cancel_pending_backfill_jobs()
-
-    %{}
-    |> DataBackfillWorker.new()
-    |> Repo.insert_unique_job()
-  end
 end