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[selectricity] / 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     raise ArgumentError.new("Quickvote by name #{shortname} doesn't exist") 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     unless qv
50       raise ArgumentError.new("No quickvote with name #{shortname} found!")
51     end
52     qv.results
53     result.plurality_winners=qv.plurality_result.winners
54     result.approval_winners=qv.approval_result.winners
55     result.condorcet_winners=qv.condorcet_result.winners
56     result.ssd_winners=qv.ssd_result.winners
57     result.borda_winners=qv.borda_result.winners
58     result
59   end
60   def get_quickvote_candidate_map(shortname)
61     qv=QuickVote.ident_to_quickvote(shortname)
62     result=CandidateMap.new
63     unless qv
64       raise ArgumentError.new("No quickvote with name #{shortname} found!")
65     end
66     candidates={}
67     qv.candidates.each {|c| candidates[c.id] = c.name}
68     result.candidate_ids=candidates.keys
69     result.candidate_names=candidates.values
70     result
71   end
72   def get_quickvote_votes(shortname)
73     qv=QuickVote.ident_to_quickvote(shortname)
74     votes=Array.new
75     unless qv
76       raise ArgumentError.new("Cannot find QuickVote #{shortname}")
77     end
78     qv.votes.each  do |vote|
79       votes << VoteInfo.new(:voter_id => vote.voter.id, :voter_ipaddress => vote.voter.ipaddress, :vote_time => vote.time.to_i, :vote => vote.votes, :voter_session_id => vote.voter.session_id )
80     end
81     return votes
82   end
83   def list_quickvotes()
84     all=Array.new
85     QuickVote.find(:all).each do |election|
86       all << get_quickvote(election.name)
87     end
88     return all
89   end
90   def get_quickvote(shortname)
91     raise ArgumentError.new("Cannot find QuickVote named #{shortname}") unless election=QuickVote.ident_to_quickvote(shortname)
92     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 } )
93   end
94   def create_quickvote(election)
95     qv=QuickVote.new(:name => election.name, :description => election.description)
96     qv.candidatelist=election.candidate_names
97     if qv.save
98       return ""
99     else
100       raise ArgumentError.new("Saving quickvote FAILED:"+qv.errors.inspect)
101     end
102   end
103
104 end

Benjamin Mako Hill || Want to submit a patch?