Variety of improvements and additions:

[selectricity-live] / app / models / vote.rb

diff --git a/app/models/vote.rb b/app/models/vote.rb
new file mode 100644 (file)
index 0000000..2aa1c4b
--- /dev/null
+++ b/app/models/vote.rb
@@ -0,0 +1,38 @@
+class Vote < ActiveRecord::Base
+  belongs_to :voter
+  has_many :rankings
+  
+  def initialize
+    super
+    @votes = []
+  end
+  
+  def votestring=(string="")
+    rel_votes = string.split("").collect { |vote| vote.to_i }
+    
+    # covert relative orders to absolute candidate ids
+    candidate_ids = voter.election.candidates.sort
+    candidate_ids.collect! { |candidate| candidate.id.to_i }
+   
+    rel_votes.collect! { |vote| candidate_ids[ vote - 1 ] }
+    @votes = rel_votes
+  end
+
+  def save 
+    rankings.each { destroy } unless rankings.empty?
+    @votes.each_with_index do |candidate, index| 
+      ranking = Ranking.new
+      ranking.rank = index + 1
+      ranking.candidate =  Candidate.find(candidate)
+      self.rankings << ranking
+    end
+      
+    super
+  end
+
+  def destroy
+    rankings.each { destroy }
+    super
+  end
+
+end