Add notifications for new reports (#18697)

app/serializers/rest/admin/report_serializer.rb

@@ -2,7 +2,7 @@
 
 class REST::Admin::ReportSerializer < ActiveModel::Serializer
   attributes :id, :action_taken, :action_taken_at, :category, :comment,
-             :created_at, :updated_at
+             :forwarded, :created_at, :updated_at
 
   has_one :account, serializer: REST::Admin::AccountSerializer
   has_one :target_account, serializer: REST::Admin::AccountSerializer

app/serializers/rest/notification_serializer.rb

@@ -5,6 +5,7 @@ class REST::NotificationSerializer < ActiveModel::Serializer
 
   belongs_to :from_account, key: :account, serializer: REST::AccountSerializer
   belongs_to :target_status, key: :status, if: :status_type?, serializer: REST::StatusSerializer
+  belongs_to :report, if: :report_type?, serializer: REST::ReportSerializer
 
   def id
     object.id.to_s
@@ -13,4 +14,8 @@ class REST::NotificationSerializer < ActiveModel::Serializer
   def status_type?
     [:favourite, :reblog, :status, :mention, :poll, :update].include?(object.type)
   end
+
+  def report_type?
+    object.type == :'admin.report'
+  end
 end

app/serializers/rest/report_serializer.rb

@@ -1,7 +1,10 @@
 # frozen_string_literal: true
 
 class REST::ReportSerializer < ActiveModel::Serializer
-  attributes :id, :action_taken
+  attributes :id, :action_taken, :action_taken_at, :category, :comment,
+             :forwarded, :created_at, :status_ids, :rule_ids
+
+  has_one :target_account, serializer: REST::AccountSerializer
 
   def id
     object.id.to_s