added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/jobs/discussion_mention.rb

@@ -0,0 +1,40 @@
+class DiscussionMention
+  include Sidekiq::Worker
+
+  NAME_REGEXP = /@\w+/
+
+  def perform(encrypted_user_id, comment_id)
+    comment = Comment.find(comment_id)
+    profiles = found_profiles(comment.body)
+    return if profiles.empty?
+
+    create_notifications(encrypted_user_id, profiles.map(&:user_id), comment)
+  end
+
+  private
+
+  def found_profiles(mentioned_string)
+    selected_names = mentioned_string.scan(NAME_REGEXP).uniq
+
+    selected_names.each_with_object([]) do |matched_string, result_array|
+      matched_string.slice!(0) # remove '@ tag'
+
+      profile = Profile.find_by(slug_name: matched_string)
+      result_array << profile if profile
+    end
+  end
+
+  def create_notifications(encrypted_user_id, user_ids, comment_id)
+    encrypted_notify_user_ids = user_ids.map { |user_id| SymmetricEncryption.encrypt(user_id) }
+    comment = Comment.find(comment_id)
+
+    encrypted_notify_user_ids.map do |encrypted_notify_user_id|
+      Notification.create(
+        kind: :mention,
+        notificateable: comment,
+        encrypted_user_id: encrypted_user_id,
+        encrypted_notify_user_id: encrypted_notify_user_id
+      )
+    end
+  end
+end