X-Git-Url: https://projects.mako.cc/source/selectricity/blobdiff_plain/a16962155a3c3c6616bfe32c7216f3631836d38c..e191923a10edc58deee8dac058242ff7528351db:/app/models/election.rb?ds=inline diff --git a/app/models/election.rb b/app/models/election.rb index d76c13f..9ce89b9 100644 --- a/app/models/election.rb +++ b/app/models/election.rb @@ -1,3 +1,21 @@ +# Selectricity: Voting Machinery for the Masses +# Copyright (C) 2007, 2008 Benjamin Mako Hill +# Copyright (C) 2007 Massachusetts Institute of Technology +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public +# License along with this program. If not, see +# . + class Election < ActiveRecord::Base has_many :candidates has_many :voters @@ -5,27 +23,33 @@ class Election < ActiveRecord::Base 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 other_methods + if election_method + @other_methods = ELECTION_TYPES.keys.reject {|i| i == election_method} + else + @other_methods = nil + end + @other_methods end - def enddate=(date) - date += 1.day - date = Time.gm(*date) - super(date) + def startdate + read_attribute( :startdate ) || Time.now end def votes @@ -45,12 +69,11 @@ class Election < ActiveRecord::Base def start_blockers reasons = [] - if self.candidates.length <= 1 reasons << "You must have at least two candidates." end - if self.voters.length <= 1 + if self.voters.length <= 1 and self.authenticated? reasons << "You must have at least two voters." end @@ -63,7 +86,7 @@ class Election < ActiveRecord::Base end def quickvote? - self.class == 'QuickVote' + self.class == QuickVote end def active? @@ -74,6 +97,10 @@ class Election < ActiveRecord::Base active == 2 end + def authenticated? + authenticated + end + def shortdesc shortdesc = description.split(/\n/)[0] end @@ -83,8 +110,28 @@ class Election < ActiveRecord::Base 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 @@ -100,15 +147,19 @@ class Election < ActiveRecord::Base 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 @@ -120,7 +171,6 @@ class Election < ActiveRecord::Base names end - end