From e365f264ef32a31ab684d69b91e606ab2ce35295 Mon Sep 17 00:00:00 2001
From: Kieran Eglin <kieran.eglin@gmail.com>
Date: Sun, 24 Mar 2024 08:59:43 -0700
Subject: [PATCH] [WIP] more expanding on RSS

---
 lib/pinchflat/podcasts/rss_feed_builder.ex    | 11 ++++++--
 .../controllers/sources/source_controller.ex  | 28 +++++++++++++++++++
 lib/pinchflat_web/router.ex                   |  2 ++
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/lib/pinchflat/podcasts/rss_feed_builder.ex b/lib/pinchflat/podcasts/rss_feed_builder.ex
index d7b041b..1c921ed 100644
--- a/lib/pinchflat/podcasts/rss_feed_builder.ex
+++ b/lib/pinchflat/podcasts/rss_feed_builder.ex
@@ -33,17 +33,17 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
         <lastBuildDate>#{Calendar.strftime(DateTime.utc_now(), @datetime_format)}</lastBuildDate>
         <pubDate>#{Calendar.strftime(source.inserted_at, @datetime_format)}</pubDate>
         <atom:link href="#{generate_self_link(source)}" rel="self" type="application/rss+xml" />
-        <podcast:locked>false</podcast:locked>
+        <podcast:locked>yes</podcast:locked>
         <podcast:guid>#{source.uuid}</podcast:guid>
         <image>
-          <url>https://raw.githubusercontent.com/kieraneglin/pinchflat/master/priv/static/images/originals/logo.png</url>
+          <url>#{generate_source_image_path(source)}</url>
           <title>#{source.custom_name}</title>
           <link>#{source.original_url}</link>
         </image>
         <itunes:author>#{source.custom_name}</itunes:author>
         <itunes:subtitle>#{source.custom_name}</itunes:subtitle>
         <itunes:block>yes</itunes:block>
-        <itunes:image href="https://raw.githubusercontent.com/kieraneglin/pinchflat/master/priv/static/images/originals/logo.png"></itunes:image>
+        <itunes:image href="#{generate_source_image_path(source)}"></itunes:image>
         <itunes:explicit>false</itunes:explicit>
         <itunes:category text="TV &amp; Film"></itunes:category>
 
@@ -85,6 +85,11 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
     "#{url_base()}/media/#{media_item.uuid}/stream#{extension}"
   end
 
+  # TODO: add extension maybe. maybe refactor controller to handle this
+  defp generate_source_image_path(source) do
+    "#{url_base()}/sources/#{source.uuid}/feed_image"
+  end
+
   defp generate_upload_date(media_item) do
     media_item.upload_date
     |> Date.to_gregorian_days()
diff --git a/lib/pinchflat_web/controllers/sources/source_controller.ex b/lib/pinchflat_web/controllers/sources/source_controller.ex
index ae5b3f1..b67846f 100644
--- a/lib/pinchflat_web/controllers/sources/source_controller.ex
+++ b/lib/pinchflat_web/controllers/sources/source_controller.ex
@@ -59,6 +59,8 @@ defmodule PinchflatWeb.Sources.SourceController do
     )
   end
 
+  # TODO: test
+  # TODO: maybe move both of these to a separate controller
   def feed(conn, %{"id" => uuid}) do
     # TODO: change this to UUID
     source = Repo.get_by!(Source, id: uuid)
@@ -72,6 +74,32 @@ defmodule PinchflatWeb.Sources.SourceController do
     |> send_resp(200, xml)
   end
 
+  # TODO: test
+  # TODO: look into media_items having a thumbnail path when the image is embedded but not on disk
+  # TODO: pull these images from the internal metadata instead. this implies I'll have to hook up
+  # metadata images for sources
+  def feed_image(conn, %{"id" => uuid}) do
+    source = Repo.get_by!(Source, uuid: uuid)
+    media_item = Media.list_downloaded_media_items_for(source, limit: 1)
+
+    filepath =
+      case {source.poster_filepath, media_item} do
+        {poster, _} when poster != nil -> poster
+        {nil, [media_item]} -> media_item.thumbnail_filepath
+        _ -> nil
+      end
+
+    IO.inspect(filepath)
+
+    if filepath && File.exists?(filepath) do
+      conn
+      |> put_resp_content_type(MIME.from_path(filepath))
+      |> send_file(200, filepath)
+    else
+      send_resp(conn, 404, "File not found")
+    end
+  end
+
   def edit(conn, %{"id" => id}) do
     source = Sources.get_source!(id)
     changeset = Sources.change_source(source)
diff --git a/lib/pinchflat_web/router.ex b/lib/pinchflat_web/router.ex
index c452b58..0a1071c 100644
--- a/lib/pinchflat_web/router.ex
+++ b/lib/pinchflat_web/router.ex
@@ -37,6 +37,8 @@ defmodule PinchflatWeb.Router do
   # so people that want RSS feeds to work can enable it.
   scope "/", PinchflatWeb do
     get "/sources/:id/feed", Sources.SourceController, :feed
+    get "/sources/:id/feed_image", Sources.SourceController, :feed_image
+
     get "/media/:id/stream", MediaItems.MediaItemController, :stream
   end