has_many :votes
belongs_to :user
validates_presence_of :name, :description
-
+
+ #validate that method is one of the listed election types
+
+ attr_reader :plurality_result
+ attr_reader :approval_result
+ attr_reader :condorcet_result
+ attr_reader :ssd_result
+ attr_reader :borda_result
+
require 'date'
+
+ def initialize(params={})
+ super
+ self.enddate = read_attribute( :enddate ) || \
+ Time.now + 14.days - 1.second
+ end
+
+ def other_methods
+ if election_method
+ @other_methods = ELECTION_TYPES.reject {|i| i == election_method}
+ else
+ @other_methods = nil
+ end
+ @other_methods
+ end
def startdate
read_attribute( :startdate ) || Time.now
end
-
- def enddate
- date = read_attribute( :enddate ) || Time.now + 14
- date - 1.second
- end
def enddate=(date)
date += 1.day
def start_blockers
reasons = []
-
+ debugger
if self.candidates.length <= 1
reasons << "You must have at least two candidates."
end
end
def quickvote?
- type == 'QuickVote'
+ self.class == 'QuickVote'
end
def active?
longdesc = description.split(/\n/)[1..-1].join("")
longdesc.length > 0 ? longdesc : nil
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
+
+ { 'plurality' => @plurality_result,
+ 'approval' => @approval_result,
+ 'condorcet' => @condorcet_result,
+ 'ssd' => @ssd_result,
+ 'borda' => @borda_result }
+ end
+
+ def names_by_id
+ names = Hash.new
+
+ competitors = self.candidates.sort.collect {|candidate| candidate.id}
+ competitors.each do |candidate|
+ names[candidate] = Candidate.find(candidate).name
+ end
+
+ names
+ end
+
end
+
+