projects.mako.cc - selectricity/blob - app/models/selectricity_service.rb

   1 require 'action_controller/integration'
   2
   3 class SelectricityService < ActionWebService::Base
   4   web_service_api SelectricityAPI
   5   def cast_quickvote(election_name, voter_id, vote_list)
   6     election = QuickVote.ident_to_quickvote election_name
   7     if election
   8       candidates=election.candidates.collect { |c| c.id }
   9       vote_list[0].each do |vote|
  10         raise ArgumentError.new("Invalid Candidate ID #{vote}") unless candidates.index(vote)
  11       end
  12       raise ArgumentError.new("You must rank all candidates") unless candidates.length <= vote_list[0].length
  13       raise ArgumentError.new("Please rank each candidate only once") if vote_list[0].uniq!
  14       voter = QuickVoter.new
  15       voter.election = election
  16       voter.ipaddress = "XMLRPC Request"
  17       voter.session_id = "XMLRPC:#{voter_id}"
  18       voter.vote=Vote.new
  19       voter.vote.votes=vote_list[0]
  20       voter.vote.time = Time.now
  21       voter.save!
  22       voter.vote.confirm!
  23       voter.save!
  24     else
  25       raise ArgumentError.new("Cannot find election #{election_name}")
  26     end
  27   end
  28   def quickvote_candidate_ids_to_names(shortname, id_list)
  29     qv=QuickVote.ident_to_quickvote(shortname)
  30     candidates={}
  31     return [] unless qv
  32     qv.results
  33     qv.candidates.each {|c| candidates[c.id] = c}
  34     results=[]
  35     id_list.each { |id|
  36       name=candidates[id]
  37       if name
  38         results << name
  39       else
  40         results << ""
  41       end
  42     }
  43     results
  44   end
  45   def get_quickvote_results(shortname)
  46     #TODO: Validate shortname
  47     qv=QuickVote.ident_to_quickvote(shortname)
  48     result=VoteResultStruct.new
  49     result.errors=[]
  50     unless qv
  51       result.errors << "No quickvote with name #{shortname} found!"
  52       return result
  53     end
  54     qv.results
  55     result.plurality_winners=qv.plurality_result.winners
  56     result.approval_winners=qv.approval_result.winners
  57     result.condorcet_winners=qv.condorcet_result.winners
  58     result.ssd_winners=qv.ssd_result.winners
  59     result.borda_winners=qv.borda_result.winners
  60     result
  61   end
  62   def get_quickvote_candidate_map(shortname)
  63     qv=QuickVote.ident_to_quickvote(shortname)
  64     result=CandidateMap.new
  65     result.errors=[]
  66     unless qv
  67       result.errors << "No quickvote with name #{shortname} found!"
  68       return result
  69     end
  70     candidates={}
  71     qv.candidates.each {|c| candidates[c.id] = c.name}
  72     result.candidate_ids=candidates.keys
  73     result.candidate_names=candidates.values
  74     result
  75   end
  76   def get_quickvote_votes(shortname)
  77     qv=QuickVote.ident_to_quickvote(shortname)
  78     votes=Array.new
  79     unless qv
  80       return result
  81     end
  82     qv.votes.each  do |vote|
  83       votes << VoteInfo.new(:voter_id => vote.voter.id, :voter_ipaddress => vote.voter.ipaddress, :vote_time => vote.time.to_i, :vote => vote.votes)
  84     end
  85     return votes
  86   end
  87   def list_quickvotes()
  88     all=Array.new
  89     QuickVote.find(:all).each do |election|
  90       all << get_quickvote(election.name)
  91     end
  92     return all
  93   end
  94   def get_quickvote(shortname)
  95     return ElectionStruct.new unless election=QuickVote.ident_to_quickvote(shortname)
  96     return ElectionStruct.new(:id => election.id, :name => election.name, :description => election.description, :candidate_ids => election.candidates.collect {|c| c.id }, :candidate_names => election.candidates.collect {|c| c.name } )
  97   end
  98   def create_quickvote(election)
  99     qv=QuickVote.new(:name => election.name, :description => election.description)
 100     qv.candidatelist=election.candidate_names
 101     if qv.save
 102       return ""
 103     else
 104       return "Saving quickvote FAILED:"+qv.errors.inspect
 105     end
 106   end
 107
 108 end