Change: #375 投稿を編集して拡張ドメインブロックの条件にひっかかる状態になった場合、対象サーバーには投稿削除のActivityを送信する (#495)

* Change: #375 投稿を編集して拡張ドメインブロックの条件にひっかかる状態になった場合、対象サーバーには投稿削除のActivityを送信する

* Fix test

* Add test

app/lib/status_reach_finder.rb

@@ -31,6 +31,10 @@ class StatusReachFinder
     )
   end
 
+  def inboxes_diff_for_sending_domain_block
+    (reached_account_inboxes_for_sending_domain_block + followers_inboxes_for_sending_domain_block).uniq
+  end
+
   def all_inboxes
     (inboxes + inboxes_for_misskey + inboxes_for_friend).uniq
   end
@@ -58,6 +62,14 @@ class StatusReachFinder
     end
   end
 
+  def reached_account_inboxes_for_sending_domain_block
+    if @status.reblog? || @status.limited_visibility?
+      []
+    else
+      Account.where(id: reached_account_ids, domain: banned_domains_of_status(@status)).inboxes
+    end
+  end
+
   def reached_account_ids
     # When the status is a reblog, there are no interactions with it
     # directly, we assume all interactions are with the original one
@@ -144,6 +156,10 @@ class StatusReachFinder
     end
   end
 
+  def followers_inboxes_for_sending_domain_block
+    @status.account.followers.where(domain: banned_domains_of_status(@status)).inboxes
+  end
+
   def relay_inboxes
     if @status.public_visibility?
       Relay.enabled.pluck(:inbox_url)
@@ -192,9 +208,15 @@ class StatusReachFinder
   end
 
   def banned_domains_of_status(status)
+    return [] unless status.sending_sensitive?
+    return @banned_domains_of_status if defined?(@banned_domains_of_status) && status.id == @status.id
+
     blocks = DomainBlock.where(domain: nil)
-    blocks = blocks.or(DomainBlock.where(reject_send_sensitive: true)) if (status.with_media? && status.sensitive) || status.spoiler_text?
-    blocks.pluck(:domain).uniq
+    blocks = blocks.or(DomainBlock.where(reject_send_sensitive: true)) if status.sending_sensitive?
+    domains = blocks.pluck(:domain).uniq
+
+    @banned_domains_of_status = domains if status.id == @status.id
+    domains
   end
 
   def banned_domains_for_misskey