X-Git-Url: https://projects.mako.cc/source/selectricity/blobdiff_plain/b31720d9ce48c5f46e2cb39242429a640f90fb40..1fd6324d0cfef4441f96fc4c19c03fddbedfe1de:/app/models/quick_vote.rb diff --git a/app/models/quick_vote.rb b/app/models/quick_vote.rb index ab97e61..698dac3 100644 --- a/app/models/quick_vote.rb +++ b/app/models/quick_vote.rb @@ -1,25 +1,52 @@ class QuickVote < Election after_validation :create_candidates validates_uniqueness_of :name + validates_presence_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 + + @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("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) @@ -27,7 +54,7 @@ class QuickVote < Election end def name - read_attribute( :name ).downcase() + read_attribute( :name ).downcase() if read_attribute( :name ) end def reviewed? @@ -35,10 +62,49 @@ class QuickVote < Election 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, :conditions => ["name = ?", ident])[0] + end + + return quickvote + end end