X-Git-Url: https://projects.mako.cc/source/selectricity-live/blobdiff_plain/905cf65f6b3e8acc894c268c3bf729e7b0c76292..4e89e6ec1729bb02239b3f6dd5d388ac0c5c9073:/app/models/election.rb?ds=inline diff --git a/app/models/election.rb b/app/models/election.rb index a574139..4ce571a 100644 --- a/app/models/election.rb +++ b/app/models/election.rb @@ -1,12 +1,22 @@ +# 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. Please see the COPYING file for +# details. + class Election < ActiveRecord::Base has_many :candidates has_many :voters has_many :votes belongs_to :user validates_presence_of :name, :description - + + # enforce constraints associated with dependencies (i.e., a kiosk + # election can't also be unauthenticated) + before_save :enforce_constraints + #validate that method is one of the listed election types - attr_reader :plurality_result attr_reader :approval_result attr_reader :condorcet_result @@ -14,16 +24,16 @@ class Election < ActiveRecord::Base attr_reader :borda_result require 'date' - + def initialize(params={}) super self.enddate = read_attribute( :enddate ) || \ - Time.now + 14.days - 1.second + Time.now + 30.days - 1.second end def other_methods if election_method - @other_methods = ELECTION_TYPES.reject {|i| i == election_method} + @other_methods = ELECTION_TYPES.keys.reject {|i| i == election_method} else @other_methods = nil end @@ -34,12 +44,6 @@ class Election < ActiveRecord::Base read_attribute( :startdate ) || Time.now end - def enddate=(date) - date += 1.day - date = Time.gm(*date) - super(date) - end - def votes votes = Array.new self.voters.each do |voter| @@ -57,12 +61,11 @@ class Election < ActiveRecord::Base def start_blockers reasons = [] - debugger 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 @@ -71,11 +74,11 @@ class Election < ActiveRecord::Base def activate! self.active = 1 - self.save! + self.save end def quickvote? - self.class == 'QuickVote' + self.class == QuickVote end def active? @@ -86,6 +89,14 @@ class Election < ActiveRecord::Base active == 2 end + def authenticated? + authenticated + end + + def kiosk? + kiosk + end + def shortdesc shortdesc = description.split(/\n/)[0] end @@ -95,8 +106,28 @@ 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 @@ -136,7 +167,30 @@ class Election < ActiveRecord::Base names end - + + def candidate_hash + hash = {} + self.candidates.each {|c| hash[c.id] = c} + return hash + end + + + # TODO now that this code is in here, we should go ahead and remove + # date checking from other places in the code + def after_find + if self.active < 2 and self.enddate < Time.now + self.active = 2 + self.save + end + end + + private + def enforce_constraints + # kiosks can't be authenticated + self.authenticated = false if kiosk? + return true + end + end