+ self.anonymous = 1 unless self.anonymous
+ self.enddate = read_attribute( :enddate ) || \
+ Time.now + 30.days - 1.second
+ end
+
+ def enddate
+ super(30)
+ end
+
+ def validate
+ if not @raw_candidates or @raw_candidates.length < 2
+ errors.add(nil, "You must list at least two candidates.")
+ end
+
+ @raw_candidates.each do |c|
+ unless c.instance_of? String
+ errors.add(nil, "Candidates must be strings")
+ next
+ end
+ c.strip!
+ if c.length == 0
+ errors.add(nil, "Candidate name must not be empty")
+ next
+ end
+ end if @raw_candidates
+
+ errors.add(nil, "Candidates must all be unique") if @raw_candidates and @raw_candidates.uniq!
+
+ if name =~ /[^A-Za-z0-9]/
+ errors.add(:name, "must only include numbers and letters.")
+ end
+ if name =~ /^[0-9]+$/
+ errors.add(:name, "must not be a number")
+ end
+
+ if name =~ /^(create|index|confirm|change|results)$/
+ errors.add(:name, " is a reserved word.")
+ end