Tons of fixes

app/models/artist.rb

@@ -10,10 +10,10 @@ class Artist < ActiveRecord::Base
 		return nil if query.nil? or query.strip.empty?
 
 		json = ActiveSupport::JSON.decode(open(
-		    'http://www.last.fm/search/autocomplete' <<
-		    '?q=' << URI.escape(query)
-    	).read)
-    	return nil if json.empty? else return json
+		  'http://www.last.fm/search/autocomplete' <<
+		  '?q=' << URI.escape(query)
+    ).read)
+    return json.empty? ? nil : json
 	end
 end
 

app/models/user.rb

@@ -9,4 +9,16 @@ class User
   key :invites,   Integer
   key :referer,   Integer
   key :active,    Integer
+  
+  def logged_in
+    unless request.session['session_id'].nil? or MainController.logged_in session['session_id']
+      redirect_to '/login'
+      return
+    else
+      if request.session['session_id'].nil?
+        redirect_to '/login'
+        return
+      end
+    end
+  end
 end