validates_uniqueness_of :name
attr_accessor :raw_candidates
attr_accessor :reviewed
+ attr_accessor :plurality_result
+ attr_accessor :approval_result
+ attr_accessor :condorcet_result
+ attr_accessor :ssd_result
+ attr_accessor :borda_result
def validate
- if @raw_candidates.length < 2
- errors.add("You must list at least two candidates.")
+ if not @raw_candidates or @raw_candidates.length < 2
+ errors.add(nil, "You must list at least two candidates.")
end
-
+
if name =~ /[^A-Za-z0-9]/
- errors.add("The name must only include numbers and letters.")
+ 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
end
def initialize(params={})
super
+ self.startdate = Time.now
self.enddate = Time.now + 30.days
self.active = 1
self.anonymous = 1
- self.quickvote = 1
end
def candidatelist=(candlist)
end
def create_candidates
+ return unless errors.empty?
@raw_candidates.each do |name|
candidate = Candidate.new({:name => name})
- candidate.save
self.candidates << candidate
end
end
+
+ #Calculate Election Results
+ def results
+ # initalize the tallies to empty arrays
+ preference_tally = Array.new
+ plurality_tally = Array.new
+ approval_tally = Array.new
+
+ self.voters.each do |voter|
+ # skip if the voter has not voted or has an unconfirmed vote
+ next unless voter.voted?
+
+ plurality_tally << voter.vote.rankings.sort[0].candidate.id
+ approval_tally << voter.vote.rankings.sort[0..1].collect \
+ { |ranking| ranking.candidate.id }
+ preference_tally << voter.vote.rankings.sort.collect \
+ { |ranking| ranking.candidate.id }
+ end
+ @plurality_result = PluralityVote.new(plurality_tally).result
+ @approval_result = ApprovalVote.new(approval_tally).result
+ @condorcet_result = PureCondorcetVote.new(preference_tally).result
+ @ssd_result = CloneproofSSDVote.new(preference_tally).result
+ @borda_result = BordaVote.new(preference_tally).result
+ #@runoff_result = InstantRunoffVote.new(preference_tally).result
+ #@runoff_results = PluralityVote.new(preference_tally).result
+
+ end
+
+ ### Convert a shortname or id into a QuickVote
+ def self.ident_to_quickvote(ident)
+ return nil unless ident
+ if ident.match(/^\d+$/)
+ quickvote = QuickVote.find(ident)
+ else
+ quickvote = QuickVote.find_all(["name = ?", ident])[0]
+ end
+
+ return quickvote
+ end
end