included error-handling: twitter-helper includes rescue and error message for fourth value in array. there will always be an empty array that view (text and each - method) does not break. if empty array in view the error-message is shown. (its WIP)

2 files changed, 32 insertions, 7 deletions

diff --git a/app/helpers/twitter_helper.rb b/app/helpers/twitter_helper.rb
index f824a03..8503f24 100644
--- a/app/helpers/twitter_helper.rb
+++ b/app/helpers/twitter_helper.rb
@@ -23,6 +23,26 @@ module TwitterHelper
     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)
+    if twitter_user_info[2] == nil
+      error_handling
+      twitter_user_info[3] = "The twitter-handle does not exist or the account is private. Please change it or contact your provider-admin."
+    end
+  rescue Twitter::Error::BadRequest
+    error_handling
+  rescue Twitter::Error::Unauthorized
+    error_handling
+  rescue Twitter::Error::Forbidden
+    error_handling
+  rescue Twitter::Error::NotAcceptable
+    error_handling
+  rescue Twitter::Error::TooManyRequests
+    error_handling
+  end
+
+  def error_handling
+    twitter_user_info[2] = []
+    twitter_user_info[3] = "The twitter-handle does not exist or the account is private. Please change it or contact your provider-admin."
+    return twitter_user_info
   end
 
   def cached_info
@@ -43,4 +63,8 @@ module TwitterHelper
   def tweets
     cached_info[2]
   end
+
+  def error_message
+    cached_info[3]
+  end
 end
diff --git a/app/views/twitter/_index.html.erb b/app/views/twitter/_index.html.erb
index a7ebd1b..8529b83 100644
--- a/app/views/twitter/_index.html.erb
+++ b/app/views/twitter/_index.html.erb
@@ -9,14 +9,15 @@
       </div>
 
       <div class="twitter_list">
-        <% tweets.each do |e| %>
-          <div class="tweet">
-            <div class="tweet_text"><%= " #{e.text}" %>
+        <%if tweets == [] then%><%= error_message %><% end %>
+          <% tweets.each do |e| %>
+            <div class="tweet">
+              <div class="tweet_text"><%= " #{e.text}" %>
+              </div>
+              <div class="tweet_text_date">tweeted on <% t = e.created_at%> <%= t.strftime("%m/%d/%y").to_s %>
+              </div>
             </div>
-            <div class="tweet_text_date">tweeted on <% t = e.created_at%> <%= t.strftime("%m/%d/%y").to_s %>
-            </div>
-          </div>
-        <% end %>
+          <% end %>
     </div>
 
     <div class="twitter_footer">