#150 ローカルユーザーの投稿にもメンションのNGワードを適用 (#151)

app/services/post_status_service.rb

@@ -146,6 +146,7 @@ class PostStatusService < BaseService
     @status = @account.statuses.new(status_attributes)
     process_mentions_service.call(@status, limited_type: @status.limited_visibility? ? @limited_scope : '', circle: @circle, save_records: false)
     safeguard_mentions!(@status)
+    validate_status_mentions!
 
     @status.limited_scope = :personal if @status.limited_visibility? && !process_mentions_service.mentions?
 
@@ -208,6 +209,15 @@ class PostStatusService < BaseService
     raise Mastodon::ValidationError, I18n.t('statuses.too_many_hashtags') if Admin::NgWord.hashtag_reject_with_extractor?(@options[:text])
   end
 
+  def validate_status_mentions!
+    raise Mastodon::ValidationError, I18n.t('statuses.contains_ng_words') if mention_to_stranger? && Setting.stranger_mention_from_local_ng && Admin::NgWord.stranger_mention_reject?("#{@options[:spoiler_text]}\n#{@options[:text]}")
+  end
+
+  def mention_to_stranger?
+    @status.mentions.map(&:account).to_a.any? { |mentioned_account| mentioned_account.id != @account && !mentioned_account.following?(@account) } ||
+      (@in_reply_to && @in_reply_to.account.id != @account.id && !@in_reply_to.account.following?(@account))
+  end
+
   def validate_media!
     if @options[:media_ids].blank? || !@options[:media_ids].is_a?(Enumerable)
       @media = []