+
+ def start_blockers
+ reasons = []
+
+ if self.candidates.length <= 1
+ reasons << "You must have at least two candidates."
+ end
+
+ if self.voters.length <= 1
+ reasons << "You must have at least two voters."
+ end
+
+ reasons
+ end
+
+ def activate!
+ self.active = 1
+ self.save!
+ end