Update management of channel description

Follow this comment :
https://github.com/iv-org/invidious/pull/2968#issuecomment-1066428317

src/invidious/channels/about.cr

@@ -6,6 +6,7 @@ record AboutChannel,
   author_url : String,
   author_thumbnail : String,
   banner : String?,
+  description : String,
   description_html : String,
   total_views : Int64,
   sub_count : Int32,
@@ -51,8 +52,7 @@ def get_about_info(ucid, locale) : AboutChannel
     banners = initdata["header"]["interactiveTabbedHeaderRenderer"]?.try &.["banner"]?.try &.["thumbnails"]?
     banner = banners.try &.[-1]?.try &.["url"].as_s?
 
-    description = initdata["header"]["interactiveTabbedHeaderRenderer"]["description"]["simpleText"].as_s
-    description_html = HTML.escape(description)
+    description_node = initdata["header"]["interactiveTabbedHeaderRenderer"]["description"]
 
     is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
     allowed_regions = initdata["microformat"]["microformatDataRenderer"]["availableCountries"].as_a.map(&.as_s)
@@ -70,14 +70,24 @@ def get_about_info(ucid, locale) : AboutChannel
     # if banner.includes? "channels/c4/default_banner"
     #  banner = nil
     # end
-
-    description = initdata["metadata"]["channelMetadataRenderer"]?.try &.["description"]?.try &.as_s? || ""
-    description_html = HTML.escape(description)
+    description_node = initdata["metadata"]["channelMetadataRenderer"]?.try &.["description"]?
 
     is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
     allowed_regions = initdata["microformat"]["microformatDataRenderer"]["availableCountries"].as_a.map(&.as_s)
   end
 
+  description = !description_node.nil? ? description_node.as_s : ""
+  description_html = HTML.escape(description)
+  if !description_node.nil?
+    if description_node.as_h?.nil?
+      description_node = text_to_parsed_content(description_node.as_s)
+    end
+    description_html = parse_content(description_node)
+    if description_html == "" && description != ""
+      description_html = HTML.escape(description)
+    end
+  end
+
   total_views = 0_i64
   joined = Time.unix(0)
 
@@ -121,6 +131,7 @@ def get_about_info(ucid, locale) : AboutChannel
     author_url: author_url,
     author_thumbnail: author_thumbnail,
     banner: banner,
+    description: description,
     description_html: description_html,
     total_views: total_views,
     sub_count: sub_count,

src/invidious/comments.cr

@@ -554,6 +554,32 @@ def fill_links(html, scheme, host)
   return html.to_xml(options: XML::SaveOptions::NO_DECL)
 end
 
+def text_to_parsed_content(text : String) : JSON::Any
+  nodes = [] of JSON::Any
+  text.split('\n').each do |line|
+    currentNodes = [] of JSON::Any
+    initialNode = {"text" => line}
+    currentNodes << (JSON.parse(initialNode.to_json))
+    line.scan(/https?:\/\/[^ ]*/).each do |uriMatch|
+      lastNode = currentNodes[currentNodes.size - 1].as_h
+      splittedLastNode = lastNode["text"].as_s.split(uriMatch[0])
+      lastNode["text"] = JSON.parse(splittedLastNode[0].to_json)
+      currentNodes[currentNodes.size - 1] = JSON.parse(lastNode.to_json)
+      currentNode = {"text" => uriMatch[0], "navigationEndpoint" => {"urlEndpoint" => {"url" => uriMatch[0]}}}
+      currentNodes << (JSON.parse(currentNode.to_json))
+      afterNode = {"text" => splittedLastNode.size > 0 ? splittedLastNode[1] : ""}
+      currentNodes << (JSON.parse(afterNode.to_json))
+    end
+    lastNode = currentNodes[currentNodes.size - 1].as_h
+    lastNode["text"] = JSON.parse("#{currentNodes[currentNodes.size - 1]["text"]}\n".to_json)
+    currentNodes[currentNodes.size - 1] = JSON.parse(lastNode.to_json)
+    currentNodes.each do |node|
+      nodes << (node)
+    end
+  end
+  return JSON.parse({"runs" => nodes}.to_json)
+end
+
 def parse_content(content : JSON::Any) : String
   content["simpleText"]?.try &.as_s.rchop('\ufeff').try { |b| HTML.escape(b) }.to_s ||
     content["runs"]?.try &.as_a.try { |r| content_to_comment_html(r).try &.to_s.gsub("\n", "<br>") } || ""

src/invidious/helpers/utils.cr

@@ -383,11 +383,3 @@ def fetch_random_instance
 
   return filtered_instance_list.sample(1)[0]
 end
-
-def make_html_with_links(baseText : String) : String
-  returnValue = baseText.dup
-  returnValue.scan(/https?:\/\/[^ \n]*/).each do |match|
-    returnValue = returnValue.sub(match[0], "<a href=\"#{match[0]}\">#{match[0]}</a>")
-  end
-  return returnValue
-end

src/invidious/routes/channels.cr

@@ -10,7 +10,7 @@ module Invidious::Routes::Channels
     if !data.is_a?(Tuple)
       return data
     end
-    locale, user, subscriptions, continuation, ucid, channel, description = data
+    locale, user, subscriptions, continuation, ucid, channel = data
 
     page = env.params.query["page"]?.try &.to_i?
     page ||= 1
@@ -201,8 +201,6 @@ module Invidious::Routes::Channels
       return error_template(500, ex)
     end
 
-    description = make_html_with_links(channel.description_html)
-
-    return {locale, user, subscriptions, continuation, ucid, channel, description}
+    return {locale, user, subscriptions, continuation, ucid, channel}
   end
 end

src/invidious/views/channel.ecr

@@ -32,7 +32,7 @@
 
 <div class="h-box">
     <div id="descriptionWrapper">
-        <p><span style="white-space:pre-wrap"><%= description %></span></p>
+        <p><span style="white-space:pre-wrap"><%= channel.description_html %></span></p>
     </div>
 </div>