[WIP] saving before attempting LiveView

lib/pinchflat/media_source.ex

@@ -7,6 +7,7 @@ defmodule Pinchflat.MediaSource do
   alias Pinchflat.Repo
 
   alias Pinchflat.MediaSource.Channel
+  alias Pinchflat.MediaClient.ChannelDetails
 
   @doc """
   Returns the list of channels. Returns [%Channel{}, ...]
@@ -31,6 +32,31 @@ defmodule Pinchflat.MediaSource do
     |> Repo.insert()
   end
 
+  @doc """
+  Creates a channel from a given Channel URL and additional attrs.
+
+  Returns {:ok, %Channel{}} | {:error, %Ecto.Changeset{}} | {:error, binary()}
+
+  IDEA: maybe instead of creating a channel from a URL, instead the form should
+  extract details from the URL and automatically update based on that. So the
+  actual submission would be a normal form object
+  """
+  def create_channel_from_url(channel_url, attrs) do
+    case ChannelDetails.get_channel_details(channel_url) do
+      {:ok, %ChannelDetails{} = channel_details} ->
+        record_attrs =
+          Map.merge(attrs, %{
+            name: channel_details.name,
+            channel_id: channel_details.id
+          })
+
+        create_channel(record_attrs)
+
+      {:error, runner_error, _status_code} ->
+        {:error, runner_error}
+    end
+  end
+
   @doc """
   Updates a channel. Returns {:ok, %Channel{}} | {:error, %Ecto.Changeset{}}
   """

lib/pinchflat_web/controllers/media_sources/channel_controller.ex

@@ -1,6 +1,7 @@
 defmodule PinchflatWeb.MediaSources.ChannelController do
   use PinchflatWeb, :controller
 
+  alias Pinchflat.Profiles
   alias Pinchflat.MediaSource
   alias Pinchflat.MediaSource.Channel
 
@@ -10,12 +11,14 @@ defmodule PinchflatWeb.MediaSources.ChannelController do
   end
 
   def new(conn, _params) do
+    media_profiles = Profiles.list_media_profiles()
     changeset = MediaSource.change_channel(%Channel{})
-    render(conn, :new, changeset: changeset)
+
+    render(conn, :new, changeset: changeset, media_profiles: media_profiles)
   end
 
   def create(conn, %{"channel" => channel_params}) do
-    case MediaSource.create_channel(channel_params) do
+    case MediaSource.create_channel_from_url(channel_params["channel_url"], channel_params) do
       {:ok, channel} ->
         conn
         |> put_flash(:info, "Channel created successfully.")

lib/pinchflat_web/controllers/media_sources/channel_html/new.html.heex

@@ -3,6 +3,20 @@
   <:subtitle>Use this form to manage channel records in your database.</:subtitle>
 </.header>
 
-<.channel_form changeset={@changeset} action={~p"/media_sources/channels"} />
+<.simple_form :let={f} for={@changeset} action={~p"/media_sources/channels"}>
+  <.error :if={@changeset.action}>
+    Oops, something went wrong! Please check the errors below.
+  </.error>
+  <.input
+    field={f[:media_profile_id]}
+    options={Enum.map(@media_profiles, &{&1.name, &1.id})}
+    type="select"
+    label="Media Profile"
+  />
+  <.input field={f[:channel_url]} type="text" label="Channel URL" />
+  <:actions>
+    <.button>Save Channel</.button>
+  </:actions>
+</.simple_form>
 
 <.back navigate={~p"/media_sources/channels"}>Back to channels</.back>

test/pinchflat/media_source_test.exs

@@ -2,26 +2,29 @@ defmodule Pinchflat.MediaSourceTest do
   use Pinchflat.DataCase
 
   alias Pinchflat.MediaSource
+  alias Pinchflat.MediaSource.Channel
 
-  describe "channels" do
-    alias Pinchflat.MediaSource.Channel
+  import Pinchflat.ProfilesFixtures
+  import Pinchflat.MediaSourceFixtures
 
-    import Pinchflat.ProfilesFixtures
-    import Pinchflat.MediaSourceFixtures
+  @invalid_channel_attrs %{name: nil, channel_id: nil}
 
-    @invalid_attrs %{name: nil, channel_id: nil}
-
-    test "list_channels/0 returns all channels" do
+  describe "list_channels/0" do
+    test "it returns all channels" do
       channel = channel_fixture()
       assert MediaSource.list_channels() == [channel]
     end
+  end
 
-    test "get_channel!/1 returns the channel with given id" do
+  describe "get_channel!/1" do
+    test "it returns the channel with given id" do
       channel = channel_fixture()
       assert MediaSource.get_channel!(channel.id) == channel
     end
+  end
 
-    test "create_channel/1 with valid data creates a channel" do
+  describe "create_channel/1" do
+    test "creates a channel with valid data" do
       valid_attrs = %{
         name: "some name",
         channel_id: "some channel_id",
@@ -33,11 +36,11 @@ defmodule Pinchflat.MediaSourceTest do
       assert channel.channel_id == "some channel_id"
     end
 
-    test "create_channel/1 with invalid data returns error changeset" do
-      assert {:error, %Ecto.Changeset{}} = MediaSource.create_channel(@invalid_attrs)
+    test "creation with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = MediaSource.create_channel(@invalid_channel_attrs)
     end
 
-    test "create_channel/1 enforces uniqueness of channel_id scoped to the media_profile" do
+    test "creation enforces uniqueness of channel_id scoped to the media_profile" do
       valid_once_attrs = %{
         name: "some name",
         channel_id: "abc123",
@@ -48,24 +51,67 @@ defmodule Pinchflat.MediaSourceTest do
       assert {:error, %Ecto.Changeset{}} = MediaSource.create_channel(valid_once_attrs)
     end
 
-    test "create_channel/1 lets you duplicate channel_ids as long as the media profile is different" do
+    test "creation lets you duplicate channel_ids as long as the media profile is different" do
       valid_attrs = %{
         name: "some name",
         channel_id: "abc123"
       }
 
-      assert {:ok, %Channel{}} =
-               MediaSource.create_channel(
-                 Map.merge(valid_attrs, %{media_profile_id: media_profile_fixture().id})
-               )
+      channel_1_attrs = Map.merge(valid_attrs, %{media_profile_id: media_profile_fixture().id})
+      channel_2_attrs = Map.merge(valid_attrs, %{media_profile_id: media_profile_fixture().id})
 
-      assert {:ok, %Channel{}} =
-               MediaSource.create_channel(
-                 Map.merge(valid_attrs, %{media_profile_id: media_profile_fixture().id})
-               )
+      assert {:ok, %Channel{}} = MediaSource.create_channel(channel_1_attrs)
+      assert {:ok, %Channel{}} = MediaSource.create_channel(channel_2_attrs)
+    end
+  end
+
+  describe "create_channel_from_url/2" do
+    import Mox
+
+    setup :verify_on_exit!
+
+    test "it creates a channel with valid data" do
+      channel_url = "https://www.youtube.com/c/TheUselessTrials"
+      valid_attrs = %{media_profile_id: media_profile_fixture().id}
+
+      expect(YtDlpRunnerMock, :run, fn ^channel_url, _opts ->
+        {:ok, "{\"channel\": \"TheUselessTrials\", \"channel_id\": \"UCQH2\"}"}
+      end)
+
+      assert {:ok, %Channel{} = channel} =
+               MediaSource.create_channel_from_url(channel_url, valid_attrs)
+
+      assert channel.name == "TheUselessTrials"
+      assert channel.channel_id == "UCQH2"
     end
 
-    test "update_channel/2 with valid data updates the channel" do
+    test "it returns an error string if the runner returns an error" do
+      channel_url = "https://www.youtube.com/c/TheUselessTrials"
+      valid_attrs = %{media_profile_id: media_profile_fixture().id}
+
+      expect(YtDlpRunnerMock, :run, fn ^channel_url, _opts ->
+        {:error, "Big issue", 1}
+      end)
+
+      assert {:error, "Big issue"} =
+               MediaSource.create_channel_from_url(channel_url, valid_attrs)
+    end
+
+    test "creation with invalid data returns error changeset" do
+      channel_url = "https://www.youtube.com/c/TheUselessTrials"
+      invalid_attrs = %{media_profile_id: nil}
+
+      expect(YtDlpRunnerMock, :run, fn ^channel_url, _opts ->
+        {:ok, "{\"channel\": \"TheUselessTrials\", \"channel_id\": \"UCQH2\"}"}
+      end)
+
+      assert {:error, %Ecto.Changeset{}} =
+               MediaSource.create_channel_from_url(channel_url, invalid_attrs)
+    end
+  end
+
+  describe "update_channel/2" do
+    test "updates with valid data updates the channel" do
       channel = channel_fixture()
       update_attrs = %{name: "some updated name", channel_id: "some updated channel_id"}
 
@@ -74,19 +120,24 @@ defmodule Pinchflat.MediaSourceTest do
       assert channel.channel_id == "some updated channel_id"
     end
 
-    test "update_channel/2 with invalid data returns error changeset" do
+    test "updates with invalid data returns error changeset" do
       channel = channel_fixture()
-      assert {:error, %Ecto.Changeset{}} = MediaSource.update_channel(channel, @invalid_attrs)
+
+      assert {:error, %Ecto.Changeset{}} =
+               MediaSource.update_channel(channel, @invalid_channel_attrs)
+
       assert channel == MediaSource.get_channel!(channel.id)
     end
+  end
 
-    test "delete_channel/1 deletes the channel" do
+  describe "delete_channel/1" do
+    test "it deletes the channel" do
       channel = channel_fixture()
       assert {:ok, %Channel{}} = MediaSource.delete_channel(channel)
       assert_raise Ecto.NoResultsError, fn -> MediaSource.get_channel!(channel.id) end
     end
 
-    test "change_channel/1 returns a channel changeset" do
+    test "it returns a channel changeset" do
       channel = channel_fixture()
       assert %Ecto.Changeset{} = MediaSource.change_channel(channel)
     end