Adding a Mention model, test stubs

app/services/post_status_service.rb

@@ -6,30 +6,13 @@ class PostStatusService < BaseService
   # @return [Status]
   def call(account, text, in_reply_to = nil)
     status = account.statuses.create!(text: text, thread: in_reply_to)
-
-    status.text.scan(Account::MENTION_RE).each do |match|
-      next if match.first.split('@').size == 1
-      username, domain = match.first.split('@')
-      local_account = Account.find_by(username: username, domain: domain)
-      next unless local_account.nil?
-      follow_remote_account_service.("acct:#{match.first}")
-    end
-
-    status.mentions.each do |mentioned_account|
-      next if mentioned_account.local?
-      send_interaction_service.(status.stream_entry, mentioned_account)
-    end
-
+    process_mentions_service.(status)
     status
   end
 
   private
 
-  def follow_remote_account_service
-    @follow_remote_account_service ||= FollowRemoteAccountService.new
-  end
-
-  def send_interaction_service
-    @send_interaction_service ||= SendInteractionService.new
+  def process_mentions_service
+    @process_mentions_service ||= ProcessMentionsService.new
   end
 end