Make AwardEmojiPresenter rely on TanukiEmoji

app/presenters/award_emoji_presenter.rb

@@ -4,15 +4,15 @@ class AwardEmojiPresenter < Gitlab::View::Presenter::Delegated
   presents ::AwardEmoji, as: :award_emoji
 
   def description
-    as_emoji['description']
+    as_emoji&.description
   end
 
   def unicode
-    as_emoji['unicode']
+    as_emoji&.hex
   end
 
   def emoji
-    as_emoji['moji']
+    as_emoji&.codepoints
   end
 
   def unicode_version
@@ -22,6 +22,6 @@ class AwardEmojiPresenter < Gitlab::View::Presenter::Delegated
   private
 
   def as_emoji
-    @emoji ||= Gitlab::Emoji.emojis[award_emoji.name] || {}
+    @emoji ||= TanukiEmoji.find_by_alpha_code(award_emoji.name)
   end
 end

spec/presenters/award_emoji_presenter_spec.rb

@@ -6,13 +6,14 @@ RSpec.describe AwardEmojiPresenter do
   let(:emoji_name) { 'thumbsup' }
   let(:award_emoji) { build(:award_emoji, name: emoji_name) }
   let(:presenter) { described_class.new(award_emoji) }
+  let(:emoji) { TanukiEmoji.find_by_alpha_code(emoji_name) }
 
   describe '#description' do
-    it { expect(presenter.description).to eq Gitlab::Emoji.emojis[emoji_name]['description'] }
+    it { expect(presenter.description).to eq emoji.description }
   end
 
   describe '#unicode' do
-    it { expect(presenter.unicode).to eq Gitlab::Emoji.emojis[emoji_name]['unicode'] }
+    it { expect(presenter.unicode).to eq emoji.hex }
   end
 
   describe '#unicode_version' do
@@ -20,7 +21,7 @@ RSpec.describe AwardEmojiPresenter do
   end
 
   describe '#emoji' do
-    it { expect(presenter.emoji).to eq Gitlab::Emoji.emojis[emoji_name]['moji'] }
+    it { expect(presenter.emoji).to eq emoji.codepoints }
   end
 
   describe 'when presenting an award emoji with an invalid name' do