Create new stream event type: emoji_reaction

app/serializers/activitypub/emoji_reaction_serializer.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class ActivityPub::EmojiReactionSerializer < ActivityPub::Serializer
+  attributes :id, :type, :actor, :content
+  attribute :virtual_object, key: :object
+
+  has_many :virtual_tags, key: :tag, unless: -> { object.custom_emoji.nil? }
+
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#likes/', object.id].join
+  end
+
+  def type
+    'Like'
+  end
+
+  def actor
+    ActivityPub::TagManager.instance.uri_for(object.account)
+  end
+
+  def virtual_object
+    ActivityPub::TagManager.instance.uri_for(object.status)
+  end
+
+  def content
+    object.custom_emoji.nil? ? object.name : ":#{object.name}:"
+  end
+
+  def virtual_tags
+    [object.custom_emoji]
+  end
+
+  class CustomEmojiSerializer < ActivityPub::EmojiSerializer
+  end
+end

app/serializers/activitypub/undo_emoji_reaction_serializer.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class ActivityPub::UndoEmojiReactionSerializer < ActivityPub::Serializer
+  attributes :id, :type, :actor, :content
+
+  has_one :object, serializer: ActivityPub::EmojiReactionSerializer
+
+  def id
+    [ActivityPub::TagManager.instance.uri_for(object.account), '#emoji_reactions/', object.id, '/undo'].join
+  end
+
+  def type
+    'Undo'
+  end
+
+  def actor
+    ActivityPub::TagManager.instance.uri_for(object.account)
+  end
+
+  def content
+    object.custom_emoji.nil? ? object.name : ":#{object.name}:"
+  end
+end

app/serializers/rest/emoji_reaction_serializer.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class REST::EmojiReactionSerializer < ActiveModel::Serializer
+  attributes :name, :count
+
+  attribute :url, if: :custom_emoji?
+  attribute :static_url, if: :custom_emoji?
+  attribute :domain, if: :custom_emoji?
+  attribute :account_ids, if: :account_ids?
+
+  def custom_emoji?
+    object.url.present?
+  end
+
+  def account_ids?
+    object.respond_to?(:account_ids)
+  end
+end