From eeb508bd9241fa4a56d31b614b3ba22936440112 Mon Sep 17 00:00:00 2001
From: Kazuki Yamaguchi <k@rhe.jp>
Date: Wed, 2 Sep 2015 19:40:50 +0900
Subject: [PATCH 2/2] =?UTF-8?q?activity:=20show=5Fone=20=E3=81=AE=E5=88=A4?=
 =?UTF-8?q?=E5=AE=9A=E3=82=92=E4=BF=AE=E6=AD=A3=E3=81=97=E3=81=9F?=
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---
 core/plugin/activity/activity.rb | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/core/plugin/activity/activity.rb b/core/plugin/activity/activity.rb
index b45a040..cee8f3a 100644
--- a/core/plugin/activity/activity.rb
+++ b/core/plugin/activity/activity.rb
@@ -66,16 +66,10 @@ Plugin.create(:activity) do
   # ==== Return
   # 初めて表示するキーなら真
   def show_once(event, *ids)
-    @show_once ||= Hash.new{ |h, k| h[k] = [] }
-    result = []
-    ids.each_with_index{ |id, index|
-      storage = @show_once[event][index] ||= Set.new
-      if storage.include? id
-        result << true
-      else
-        storage << id
-        result << false end }
-    not result.all? end
+    @show_once ||= Set.new
+    result = @show_once.member?(ids)
+    @show_once << ids
+    !result end
 
   # アクティビティの古い通知を一定時間後に消す
   def reset_activity(model)
-- 
2.5.1