From 4f97623af5484b1c6cafb64a34991fe631c846ac Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Wed, 4 May 2016 07:12:27 +0800
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---
 htdocs/lib/Study/StudyActivityManager.php | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/htdocs/lib/Study/StudyActivityManager.php b/htdocs/lib/Study/StudyActivityManager.php
index 356784b..28ed3a3 100644
--- a/htdocs/lib/Study/StudyActivityManager.php
+++ b/htdocs/lib/Study/StudyActivityManager.php
@@ -212,6 +212,25 @@ class StudyActivityManager {
     public function getEnableActivityByUserId($user_id) {
 
         $db = new Database\DBStudyActivity();
-        return $db->getEnableActivityByUserId($user_id);
+        $list = $db->getEnableActivityByUserId($user_id);
+
+        // 若有任何一項學習中活動
+        $have_study = false;
+        foreach($list as $theActA) {
+            if ($theActA['type'] == 'study') {
+                $have_study = true;
+            }
+        }
+
+        if ($have_study) {
+            foreach($list as $key => $theActB) {
+                if ($theActB['type'] != 'study') {
+                    unset($list[$key]);
+                }
+            }
+        }
+
+//        return $have_study;
+        return $list;
     }
 }