propagate video_id field on getting playlists

src/invidious/playlists.cr

@@ -107,7 +107,7 @@ struct Playlist
   property updated : Time
   property thumbnail : String?
 
-  def to_json(offset, locale, json : JSON::Builder, continuation : String? = nil)
+  def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
     json.object do
       json.field "type", "playlist"
       json.field "title", self.title
@@ -142,7 +142,7 @@ struct Playlist
 
       json.field "videos" do
         json.array do
-          videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, continuation: continuation)
+          videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
           videos.each_with_index do |video, index|
             video.to_json(locale, json)
           end
@@ -151,12 +151,12 @@ struct Playlist
     end
   end
 
-  def to_json(offset, locale, json : JSON::Builder? = nil, continuation : String? = nil)
+  def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
     if json
-      to_json(offset, locale, json, continuation: continuation)
+      to_json(offset, locale, json, video_id: video_id)
     else
       JSON.build do |json|
-        to_json(offset, locale, json, continuation: continuation)
+        to_json(offset, locale, json, video_id: video_id)
       end
     end
   end
@@ -196,7 +196,7 @@ struct InvidiousPlaylist
     end
   end
 
-  def to_json(offset, locale, json : JSON::Builder, continuation : String? = nil)
+  def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
     json.object do
       json.field "type", "invidiousPlaylist"
       json.field "title", self.title
@@ -218,11 +218,11 @@ struct InvidiousPlaylist
       json.field "videos" do
         json.array do
           if !offset || offset == 0
-            index = PG_DB.query_one?("SELECT index FROM playlist_videos WHERE plid = $1 AND id = $2 LIMIT 1", self.id, continuation, as: Int64)
+            index = PG_DB.query_one?("SELECT index FROM playlist_videos WHERE plid = $1 AND id = $2 LIMIT 1", self.id, video_id, as: Int64)
             offset = self.index.index(index) || 0
           end
 
-          videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, continuation: continuation)
+          videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
           videos.each_with_index do |video, index|
             video.to_json(locale, json, offset + index)
           end
@@ -231,12 +231,12 @@ struct InvidiousPlaylist
     end
   end
 
-  def to_json(offset, locale, json : JSON::Builder? = nil, continuation : String? = nil)
+  def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
     if json
-      to_json(offset, locale, json, continuation: continuation)
+      to_json(offset, locale, json, video_id: video_id)
     else
       JSON.build do |json|
-        to_json(offset, locale, json, continuation: continuation)
+        to_json(offset, locale, json, video_id: video_id)
       end
     end
   end

src/invidious/routes/api/v1/misc.cr

@@ -58,7 +58,7 @@ module Invidious::Routes::API::V1::Misc
       #  First we find the actual offset, and then we lookback
       #  it shouldn't happen often though
 
-      response = playlist.to_json(offset, locale, continuation: continuation)
+      response = playlist.to_json(offset, locale, video_id: video_id)
       json_response = JSON.parse(response)
 
       if json_response["videos"].as_a[0]["index"] != offset