Refactor structure of caption.cr

Rename CaptionsMetadata to Metadata
Nest Metadata under Captions
Unnest LANGUAGES constant from Metadata to main Captions module

src/invidious/frontend/watch_page.cr

@@ -7,7 +7,7 @@ module Invidious::Frontend::WatchPage
     getter full_videos : Array(Hash(String, JSON::Any))
     getter video_streams : Array(Hash(String, JSON::Any))
     getter audio_streams : Array(Hash(String, JSON::Any))
-    getter captions : Array(Invidious::Videos::CaptionMetadata)
+    getter captions : Array(Invidious::Videos::Captions::Metadata)
 
     def initialize(
       @full_videos,

src/invidious/videos.cr

@@ -24,7 +24,7 @@ struct Video
   property updated : Time
 
   @[DB::Field(ignore: true)]
-  @captions = [] of Invidious::Videos::CaptionMetadata
+  @captions = [] of Invidious::Videos::Captions::Metadata
 
   @[DB::Field(ignore: true)]
   property adaptive_fmts : Array(Hash(String, JSON::Any))?
@@ -215,9 +215,9 @@ struct Video
     keywords.includes? "YouTube Red"
   end
 
-  def captions : Array(Invidious::Videos::CaptionMetadata)
+  def captions : Array(Invidious::Videos::Captions::Metadata)
     if @captions.empty? && @info.has_key?("captions")
-      @captions = Invidious::Videos::CaptionMetadata.from_yt_json(info["captions"])
+      @captions = Invidious::Videos::Captions::Metadata.from_yt_json(info["captions"])
     end
 
     return @captions

src/invidious/videos/caption.cr

@@ -1,7 +1,8 @@
 require "json"
 
 module Invidious::Videos
-  struct CaptionMetadata
+  module Captions
+    struct Metadata
       property name : String
       property language_code : String
       property base_url : String
@@ -12,12 +13,12 @@ module Invidious::Videos
       end
 
       # Parse the JSON structure from Youtube
-    def self.from_yt_json(container : JSON::Any) : Array(CaptionMetadata)
+      def self.from_yt_json(container : JSON::Any) : Array(Captions::Metadata)
         caption_tracks = container
           .dig?("playerCaptionsTracklistRenderer", "captionTracks")
           .try &.as_a
 
-      captions_list = [] of CaptionMetadata
+        captions_list = [] of Captions::Metadata
         return captions_list if caption_tracks.nil?
 
         caption_tracks.each do |caption|
@@ -32,7 +33,7 @@ module Invidious::Videos
             auto_generated = true
           end
 
-        captions_list << CaptionMetadata.new(name, language_code, base_url, auto_generated)
+          captions_list << Captions::Metadata.new(name, language_code, base_url, auto_generated)
         end
 
         return captions_list
@@ -103,6 +104,7 @@ module Invidious::Videos
         end
         return result
       end
+    end
 
     # List of all caption languages available on Youtube.
     LANGUAGES = {

src/invidious/videos/transcript.cr

@@ -37,7 +37,7 @@ module Invidious::Videos
       # Convert into array of TranscriptLine
       lines = self.parse(initial_data)
 
-      # Taken from Invidious::Videos::CaptionMetadata.timedtext_to_vtt()
+      # Taken from Invidious::Videos::Captions::Metadata.timedtext_to_vtt()
       vtt = String.build do |vtt|
         vtt << <<-END_VTT
         WEBVTT

src/invidious/views/user/preferences.ecr

@@ -89,7 +89,7 @@
                 <label for="captions[0]"><%= translate(locale, "preferences_captions_label") %></label>
                 <% preferences.captions.each_with_index do |caption, index| %>
                     <select class="pure-u-1-6" name="captions[<%= index %>]" id="captions[<%= index %>]">
-                        <% Invidious::Videos::CaptionMetadata::LANGUAGES.each do |option| %>
+                        <% Invidious::Videos::Captions::LANGUAGES.each do |option| %>
                             <option value="<%= option %>" <% if preferences.captions[index] == option %> selected <% end %>><%= translate(locale, option.blank? ? "none" : option) %></option>
                         <% end %>
                     </select>