Add region_restricted? for video

CHANGELOG.md

@@ -6,6 +6,10 @@ For more information about changelogs, check
 [Keep a Changelog](http://keepachangelog.com) and
 [Vandamme](http://tech-angels.github.io/vandamme).
 
+## Unreleased
+
+* [FEATURE] New Video#region_restricted? method
+
 ## 0.33.4 - 2021-01-15
 
 * [REMOVAL] remove retry for quota errors

lib/yt/models/content_detail.rb

@@ -24,6 +24,7 @@ def initialize(options = {})
       has_attribute :licensed_content
       has_attribute :content_rating, default: {}
       has_attribute :item_count
+      has_attribute :region_restriction
 
       def youtube_rating
         content_rating['ytRating']

lib/yt/models/video.rb

@@ -271,6 +271,11 @@ def licensed?
         content_detail.licensed_content || false
       end
 
+      # @return [Boolean] whether the video is only viewable in limited countries.
+      def region_restricted?
+        content_detail.region_restriction
+      end
+
       # @return [Boolean] whether the video is identified by YouTube as
       #   age-restricted content.
       def age_restricted?

spec/models/video_spec.rb

@@ -472,6 +472,18 @@
     end
   end
 
+  describe '#region_restricted?' do
+    context 'given a video with region restricted content' do
+      let(:attrs) { {content_details: {"regionRestriction"=>{"allowed"=>["TW"]}}} }
+      it { expect(video).to be_region_restricted }
+    end
+
+    context 'given a video without region restricted content' do
+      let(:attrs) { {content_details: {}} }
+      it { expect(video).not_to be_region_restricted }
+    end
+  end
+
   describe '#age_restricted?' do
     context 'given a video with age restricted content' do
       let(:attrs) { {content_details: {"contentRating"=>{"ytRating"=>"ytAgeRestricted"}}} }