1 files changed, 29 insertions, 0 deletions
diff --git a/app/finders/achievements/achievements_finder.rb b/app/finders/achievements/achievements_finder.rb
new file mode 100644
index 00000000000..98bd12afcd4
--- /dev/null
+++ b/app/finders/achievements/achievements_finder.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Achievements
+  class AchievementsFinder
+    attr_reader :namespace, :params
+
+    def initialize(namespace, params = {})
+      @namespace = namespace
+      @params = params
+    end
+
+    def execute
+      achievements = namespace.achievements
+      by_ids(achievements)
+    end
+
+    private
+
+    def by_ids(achievements)
+      return achievements unless ids?
+
+      achievements.id_in(params[:ids])
+    end
+
+    def ids?
+      params[:ids].present?
+    end
+  end
+end