From 4a09c2df8df3db979049ee8d98b202ad9f2125a8 Mon Sep 17 00:00:00 2001
From: luca-marie <ml.kochsiek@fu-berlin.de>
Date: Thu, 8 Sep 2016 18:25:41 +0200
Subject: Helper has caching of name and tweets included now \o/

---
 app/helpers/twitter_helper.rb | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

(limited to 'app')

diff --git a/app/helpers/twitter_helper.rb b/app/helpers/twitter_helper.rb
index 834e5c6..fd3f82c 100644
--- a/app/helpers/twitter_helper.rb
+++ b/app/helpers/twitter_helper.rb
@@ -1,6 +1,8 @@
 module TwitterHelper
   def twitter_enabled
-    Rails.application.secrets.twitter['enabled'] == true
+    if Rails.application.secrets.twitter
+      Rails.application.secrets.twitter['enabled'] == true
+    end
   end
 
   def twitter_client
@@ -13,11 +15,32 @@ module TwitterHelper
     Rails.application.secrets.twitter['twitter_handle']
   end
 
+  def twitter_user_info
+    $twitter_user_info ||= []
+  end
+
+  def update_twitter_info
+    twitter_user_info[0] = Time.now
+    twitter_user_info[1] = twitter_client.user(twitter_handle).name
+    twitter_user_info[2] = twitter_client.user_timeline(twitter_handle).select{ |tweet| tweet.text.start_with?('RT','@')==false}.take(3)
+  end
+
+  def cached_info
+    if twitter_user_info[0] == nil
+      update_twitter_info
+    else
+      if Time.now > twitter_user_info[0] + 15.minutes
+        update_twitter_info
+      end
+    end
+    twitter_user_info
+  end
+
   def twitter_name
-    twitter_client.user(twitter_handle).name
+    cached_info[1]
   end
 
   def tweets
-    twitter_client.user_timeline(twitter_handle).select{ |tweet| tweet.text.start_with?('RT','@')==false}.take(3)
+    cached_info[2]
   end
 end
-- 
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