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 startdate
- read_attribute( :startdate ) || Time.now
- end
- def enddate
- date = read_attribute( :enddate ) || Time.now + 14
- date - 1.second
+ def initialize(params={})
+ super
+ self.enddate = read_attribute( :enddate ) || \
+ Time.now + 30.days - 1.second
end
- def enddate=(date)
- date += 1.day
- date = Time.gm(*date)
- super(date)
+ def other_methods
+ if election_method
+ @other_methods = ELECTION_TYPES.keys.reject {|i| i == election_method}
+ else
+ @other_methods = nil
+ end
+ @other_methods
+ end
+
+ def startdate
+ read_attribute( :startdate ) || Time.now
end
def votes
def start_blockers
reasons = []
-
if self.candidates.length <= 1
reasons << "You must have at least two candidates."
end
longdesc.length > 0 ? longdesc : nil
end
- #Calculate Election Results
+ #Calculate results if not in memcache
def results
+ # Assignment is intentional
+ if Cache and c = Cache.get("election_results:#{id}:#{self.votes.length}")
+ @plurality_result = c['plurality']
+ @approval_result = c['approval']
+ @condorcet_result = c['condorcet']
+ @ssd_result = c['ssd']
+ @borda_result = c['borda']
+ return c
+ elsif Cache
+ # memcache is available, but missed.
+ results = self.results!
+ Cache.set("election_results:#{id}:#{self.votes.length}", results)
+ return results
+ else
+ return self.results!
+ end
+ end
+
+ #Always Calculate Election Results
+ def results!
# initalize the tallies to empty arrays
preference_tally = Array.new
plurality_tally = Array.new
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
- nil # to stay consistent
- end
+ { 'plurality' => @plurality_result,
+ 'approval' => @approval_result,
+ 'condorcet' => @condorcet_result,
+ 'ssd' => @ssd_result,
+ 'borda' => @borda_result }
+ end
def names_by_id
names = Hash.new
names
end
-
end