Add emoji alias-names support

app/models/custom_emoji.rb

@@ -21,6 +21,7 @@
 #  image_storage_schema_version :integer
 #  image_width                  :integer
 #  image_height                 :integer
+#  aliases                      :jsonb
 #
 
 class CustomEmoji < ApplicationRecord
@@ -80,6 +81,17 @@ class CustomEmoji < ApplicationRecord
     size(Rails.configuration.x.use_s3 ? image.url : image.path)
   end
 
+  def aliases_raw
+    return '' if aliases.nil? || aliases.blank?
+
+    aliases.join(',')
+  end
+
+  def aliases_raw=(raw)
+    aliases = raw.split(',').filter(&:present?).uniq
+    self[:aliases] = aliases
+  end
+
   class << self
     def from_text(text, domain = nil)
       return [] if text.blank?