Rss autodiscovery (#134)

* Create helm chart for easier deployment in k8s * Add RSS autodiscovery * RSS feed for each channel
lighttube-org · Apr 5, 2024 · 7cb2ee0 · 7cb2ee0
1 parent 327908c
commit 7cb2ee0
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Showing 5 changed files with 89 additions and 1 deletion.
diff --git a/LightTube/Contexts/BaseContext.cs b/LightTube/Contexts/BaseContext.cs
@@ -10,6 +10,7 @@ public class BaseContext
  public string Title;
  public bool IsMobile;
  public List<IHtmlContent> HeadTags = new();
+ public List<IHtmlContent> rssElement = new();
  public List<IHtmlContent> EndTags = new();
  public bool GuideHidden = false;
  public HttpContext Context;
@@ -38,7 +39,15 @@ public void AddStylesheet(string href)
  stylesheet.Attributes.Add("href", href + "?v=" + Utils.GetVersion());
  HeadTags.Add(stylesheet);
  }
-
+ public void AddRSSUrl(string href)
+ {
+ TagBuilder rss = new("link");
+ rss.Attributes.Add("rel", "alternate");
+ rss.Attributes.Add("type", "application/rss+xml");
+ rss.Attributes.Add("title", "RSS");
+ rss.Attributes.Add("href", href);
+ rssElement.Add(rss);
+ }
  public void AddMeta(string property, string content)
  {
  TagBuilder stylesheet = new("meta");

diff --git a/LightTube/Contexts/ChannelContext.cs b/LightTube/Contexts/ChannelContext.cs
@@ -43,6 +43,7 @@ public ChannelContext(HttpContext context, ChannelTabs tab, InnerTubeChannelResp
  AddMeta("og:url", $"{context.Request.Scheme}:https://{context.Request.Host}/{context.Request.Path}{context.Request.QueryString}");
  AddMeta("og:image", channel.Header?.Avatars.Last().Url.ToString() ?? "");
  AddMeta("twitter:card", channel.Header?.Avatars.Last().Url.ToString() ?? "");
+ AddRSSUrl(context.Request.Scheme + ":https://" + context.Request.Host + "/feed/" + Id + "/rss.xml");
 
  if (channel.Contents.Any(x => x is ChannelVideoPlayerRenderer || x is ItemSectionRenderer isr && isr.Contents.Any(y => y is ChannelVideoPlayerRenderer)))
  {
@@ -85,6 +86,7 @@ public ChannelContext(HttpContext context, ChannelTabs tab, InnerTubeChannelResp
  AddMeta("og:url", $"{context.Request.Scheme}:https://{context.Request.Host}/{context.Request.Path}{context.Request.QueryString}");
  AddMeta("og:image", channel.Header?.Avatars.Last().Url.ToString() ?? "");
  AddMeta("twitter:card", channel.Header?.Avatars.Last().Url.ToString() ?? "");
+ AddRSSUrl(context.Request.Scheme + ":https://" + context.Request.Host + "/feed/" + Id + "/rss.xml");
  }
 
  public ChannelContext(HttpContext context, DatabaseUser? channel, string id) : base(context)

diff --git a/LightTube/Contexts/HomepageContext.cs b/LightTube/Contexts/HomepageContext.cs
@@ -7,6 +7,7 @@ public class HomepageContext : BaseContext
  public FeedVideo[] Videos;
  public HomepageContext(HttpContext context) : base(context)
  {
+ AddRSSUrl(context.Request.Scheme + ":https://" + context.Request.Host + "/feed/rss.xml");
  if (User != null)
  {
  Videos = Task.Run(async () =>

diff --git a/LightTube/Controllers/FeedController.cs b/LightTube/Controllers/FeedController.cs
@@ -20,6 +20,78 @@ public FeedController(InnerTube.InnerTube youtube)
  _youtube = youtube;
  }
 
+ [Route("channel/{c}/rss.xml")]
+ [HttpGet]
+ public async Task<IActionResult> ChannelFeed(string c)
+ {
+ ChannelFeed ytchannel = await YoutubeRSS.GetChannelFeed(c);
+ try
+ {
+ XmlDocument document = new();
+ XmlElement rss = document.CreateElement("rss");
+ rss.SetAttribute("version", "2.0");
+
+ XmlElement channel = document.CreateElement("channel");
+
+ XmlElement title = document.CreateElement("title");
+ title.InnerText = "LightTube channnel RSS feed for " + ytchannel.Name;
+ channel.AppendChild(title);
+
+ XmlElement description = document.CreateElement("description");
+ description.InnerText = $"LightTube channnel RSS feed for {ytchannel.Name}";
+ channel.AppendChild(description);
+
+ foreach (FeedVideo video in ytchannel.Videos.Take(15))
+ {
+ XmlElement item = document.CreateElement("item");
+
+ XmlElement id = document.CreateElement("id");
+ id.InnerText = $"id:video:{video.Id}";
+ item.AppendChild(id);
+
+ XmlElement vtitle = document.CreateElement("title");
+ vtitle.InnerText = video.Title;
+ item.AppendChild(vtitle);
+
+ XmlElement vdescription = document.CreateElement("description");
+ vdescription.InnerText = video.Description;
+ item.AppendChild(vdescription);
+
+ XmlElement link = document.CreateElement("link");
+ link.InnerText = $"https://{Request.Host}/watch?v={video.Id}";
+ item.AppendChild(link);
+
+ XmlElement published = document.CreateElement("pubDate");
+ published.InnerText = video.PublishedDate.ToString("R");
+ item.AppendChild(published);
+
+ XmlElement author = document.CreateElement("author");
+
+ XmlElement name = document.CreateElement("name");
+ name.InnerText = video.ChannelName;
+ author.AppendChild(name);
+
+ XmlElement uri = document.CreateElement("uri");
+ uri.InnerText = $"https://{Request.Host}/channel/{video.ChannelId}";
+ author.AppendChild(uri);
+
+ item.AppendChild(author);
+ channel.AppendChild(item);
+ }
+
+ rss.AppendChild(channel);
+
+ document.AppendChild(rss);
+ return File(Encoding.UTF8.GetBytes(document.OuterXml), "application/xml");
+
+ }
+ catch (Exception)
+ {
+
+ throw;
+ }
+ }
+
  [Route("subscriptions")]
  public async Task<IActionResult> Subscription()
  {

diff --git a/LightTube/Views/Shared/_Layout.cshtml b/LightTube/Views/Shared/_Layout.cshtml
@@ -17,6 +17,10 @@
  <link rel="stylesheet" href="~/css/[email protected]()">
  <link rel="stylesheet" href="~/css/[email protected]()">
  <link rel="stylesheet" href="~/fonts/roboto/roboto.css">
+ @foreach (IHtmlContent item in Model.rssElement)
+ {
+ @item
+ }
  @if (Configuration.GetVariable("LIGHTTUBE_CUSTOM_CSS_PATH") != null)
  {
  <link rel="stylesheet" href="/css/custom.css">