+# Selectricity: Voting Machinery for the Masses
+# Copyright (C) 2007, 2008 Benjamin Mako Hill <mako@atdot.cc>
+# 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
+# <http://www.gnu.org/licenses/>.
+
require 'action_controller/integration'
class SelectricityService < ActionWebService::Base
web_service_api SelectricityAPI
+
+ ## Casts a quickvote.
+ ## Expects a quickvote name, a voter ID, and a list of candidate ID's respectively.
+ ## Returns a string containing any potential errors that occurred in the process.
def cast_quickvote(election_name, voter_id, vote_list)
election = QuickVote.ident_to_quickvote election_name
if election
raise ArgumentError.new("Cannot find election #{election_name}")
end
end
+
+ ## Converts QuickVote candidate ID's to names
+ ## Takes in a QuickVote name and a list of candidate ID's, and returns the names of
+ ## each candidate. Useful for doing just a few lookups; it's more efficient to use
+ ## get_quickvote_candidate_map for presenting info about an entire election.
def quickvote_candidate_ids_to_names(shortname, id_list)
qv=QuickVote.ident_to_quickvote(shortname)
candidates={}
}
results
end
+
+ ## Return the results of a QuickVote.
+ ## Takes in the name of a quickvote, and returns a structure as described by
+ ## QuickVoteResultStruct
def get_quickvote_results(shortname)
#TODO: Validate shortname
qv=QuickVote.ident_to_quickvote(shortname)
result.borda_winners=qv.borda_result.winners
result
end
+
+ ## Returns information regarding all the candidates in a QuickVote
+ ## Takes in a QuickVote name, and returns the list of names and ID's of candidates
+ ## This can be useful for presenting the user with a list of readable names, while
+ ## the software sends results to us in the numeric ID's we require. The two lists are in
+ ## respective order.
def get_quickvote_candidate_map(shortname)
qv=QuickVote.ident_to_quickvote(shortname)
result=QuickVoteCandidateMap.new
result
end
+ ## Get information on all the votes cast in a QuickVote
+ ## Takes in the name of a QuickVote, returns an array of QuickVoterInfo structures.
def get_quickvote_votes(shortname)
qv = QuickVote.ident_to_quickvote(shortname)
end
end
+ ## Gets a list of all QuickVotes in the system.
def list_quickvotes()
QuickVote.find(:all).collect do |election|
get_quickvote(election.name)
end
end
+ ## Gets information on a particular QuickVote
+ ## Takes in a QuickVote name
def get_quickvote(shortname)
unless election = QuickVote.ident_to_quickvote(shortname)
raise ArgumentError.new("Cannot find QuickVote named #{shortname}")
:candidate_names => election.candidates.collect {|c| c.name } )
end
+ ## Create a QuickVote
+ ## Pass in a QuickVoteStruct populated with all the fields but the candidate ID's
+ ## Any candidate ID's you fill in will be ignored anyway.
def create_quickvote(election)
qv = QuickVote.new(:name => election.name,
:description => election.description)