Add support for "members first" badge

locales/en-US.json

@@ -503,5 +503,6 @@
     "carousel_skip": "Skip the Carousel",
     "carousel_go_to": "Go to slide `x`",
     "video_badges_members_only": "Members only",
+    "video_badges_members_first": "Members first",
     "preferences_exclude_members_only_videos_label": "Hide channel member-only videos"
 }

src/invidious/helpers/serialized_yt_data.cr

@@ -10,6 +10,7 @@ enum VideoBadges
   VR360
   ClosedCaptions
   MembersOnly
+  MembersFirst
 end
 
 struct SearchVideo
@@ -152,6 +153,13 @@ struct SearchVideo
   def upcoming?
     premiere_timestamp ? true : false
   end
+
+  # Shorthand to check whether the video is restricted to only channel members
+  #
+  # Whether as an early access video ("members first") or only for members ("members only")
+  def restricted_to_members?
+    return badges.members_only? || badges.members_first?
+  end
 end
 
 struct SearchPlaylistVideo

src/invidious/views/components/item.ecr

@@ -208,6 +208,9 @@
                     <% if item.badges.members_only? %>
                         <span><i class="icon ion ion-md-lock"></i><%=translate(locale, "video_badges_members_only")%></span>
                     <% end %>
+                    <% if item.badges.members_first? %>
+                        <span><i class="icon ion ion-md-lock"></i><%=translate(locale, "video_badges_members_first")%></span>
+                    <% end %>
                 </div>
             <%end%>
         <% end %>

src/invidious/views/components/items_paginated.ecr

@@ -3,8 +3,7 @@
 
 <div class="pure-g">
     <%- items.each do |item| -%>
-        <% next if exclude_members_only_videos && item.responds_to?(:badges) &&
-        item.is_a? SearchVideo && item.badges.members_only? %>
+        <% next if exclude_members_only_videos && item.responds_to?(:restricted_to_members?) && item.restricted_to_members? %>
         <%= rendered "components/item" %>
     <%- end -%>
 </div>

src/invidious/yt_backend/extractors.cr

@@ -136,9 +136,9 @@ private module Parsers
           # TODO: Potentially available as item_contents["topStandaloneBadge"]["metadataBadgeRenderer"]
           badges |= VideoBadges::Premium
         when "Members only"
-          # TODO: Identify based on style attribute instead of label
-          # It should be more resistant to Youtube changes.
           badges |= VideoBadges::MembersOnly
+        when "Members first"
+          badges |= VideoBadges::MembersFirst
         else nil # Ignore
         end
       end