Merge pull request #4 from dom1nga/removing_unnecessary_variables_from_discussion_model

Removed unnecessary variables from discussion model methods.  

1 files changed, 2 insertions, 4 deletions

diff --git a/app/models/discussion.rb b/app/models/discussion.rb
index a4ad82b..ca56596 100644
--- a/app/models/discussion.rb
+++ b/app/models/discussion.rb
@@ -51,13 +51,11 @@ class Discussion < ActiveRecord::Base
   end
 
   def user_invited_at(user)
-    speaker = find_speaker_by_user(user)
-    speaker.created_at
+    find_speaker_by_user(user).created_at
   end
 
   def can_participate?(user)
-    speaker = find_speaker_by_user(user)
-    speaker ? true : false
+    !!find_speaker_by_user(user)
   end
 
   # don't allow to create discussion with user, if discussion with this user already exists