[Enhancement] Show currently executing jobs on homepage (#250)

* [WIP] Added PoC job table

* [WIP] hooked up tasks table with real data

* Added reload on websocket command

* Hooked it all up to a websocket

test/pinchflat_web/controllers/pages/job_table_live_test.exs

@@ -0,0 +1,111 @@
+defmodule PinchflatWeb.Pages.JobTableLiveTest do
+  use PinchflatWeb.ConnCase
+
+  import Ecto.Query, warn: false
+  import Phoenix.LiveViewTest
+  import Pinchflat.MediaFixtures
+  import Pinchflat.SourcesFixtures
+
+  alias Pinchflat.Utils.StringUtils
+  alias Pinchflat.Pages.JobTableLive
+  alias Pinchflat.Downloading.MediaDownloadWorker
+  alias Pinchflat.FastIndexing.FastIndexingWorker
+
+  describe "initial rendering" do
+    test "shows message when no records", %{conn: conn} do
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ "Nothing Here!"
+      refute html =~ "Subject"
+    end
+
+    test "shows records when present", %{conn: conn} do
+      {_source, _media_item, _task, _job} = create_media_item_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ "Subject"
+    end
+
+    test "doesn't show records when not in executing state", %{conn: conn} do
+      {_source, _media_item, _task, _job} = create_media_item_job(:scheduled)
+      {_source, _media_item, _task, _job} = create_media_item_job(:completed)
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ "Nothing Here!"
+      refute html =~ "Subject"
+    end
+  end
+
+  describe "job rendering" do
+    test "shows worker name", %{conn: conn} do
+      {_source, _media_item, _task, _job} = create_media_item_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ "Downloading Media"
+    end
+
+    test "shows the media item title", %{conn: conn} do
+      {_source, media_item, _task, _job} = create_media_item_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ StringUtils.truncate(media_item.title, 35)
+    end
+
+    test "shows a media item link", %{conn: conn} do
+      {_source, media_item, _task, _job} = create_media_item_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ ~p"/sources/#{media_item.source_id}/media/#{media_item}"
+    end
+
+    test "shows the source custom name", %{conn: conn} do
+      {source, _task, _job} = create_source_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ StringUtils.truncate(source.custom_name, 35)
+    end
+
+    test "shows a source link", %{conn: conn} do
+      {source, _task, _job} = create_source_job()
+      {:ok, _view, html} = live_isolated(conn, JobTableLive, session: %{})
+
+      assert html =~ ~p"/sources/#{source.id}"
+    end
+
+    test "listens for job:state change events", %{conn: conn} do
+      {_source, _media_item, _task, _job} = create_media_item_job()
+      {:ok, _view, _html} = live_isolated(conn, JobTableLive, session: %{})
+
+      PinchflatWeb.Endpoint.broadcast("job:state", "change", nil)
+
+      assert_receive %Phoenix.Socket.Broadcast{topic: "job:state", event: "change", payload: nil}
+    end
+  end
+
+  defp create_media_item_job(job_state \\ :executing) do
+    source = source_fixture()
+    media_item = media_item_fixture(source_id: source.id)
+    {:ok, task} = MediaDownloadWorker.kickoff_with_task(media_item)
+
+    Oban.Job
+    |> where([j], j.id == ^task.job_id)
+    |> Repo.update_all(set: [state: to_string(job_state)])
+
+    job = Repo.get!(Oban.Job, task.job_id)
+
+    {source, media_item, task, job}
+  end
+
+  defp create_source_job(job_state \\ :executing) do
+    source = source_fixture()
+    {:ok, task} = FastIndexingWorker.kickoff_with_task(source)
+
+    Oban.Job
+    |> where([j], j.id == ^task.job_id)
+    |> Repo.update_all(set: [state: to_string(job_state)])
+
+    job = Repo.get!(Oban.Job, task.job_id)
+
+    {source, task, job}
+  end
+end