X-Git-Url: https://projects.mako.cc/source/selectricity-live/blobdiff_plain/166ed711409f6200467a3aa879fb165f59fc8cec..25862916f9c97687bc1b30299fd9d544b0ba62ac:/app/controllers/graph_controller.rb diff --git a/app/controllers/graph_controller.rb b/app/controllers/graph_controller.rb index 8b617da..1bde09e 100644 --- a/app/controllers/graph_controller.rb +++ b/app/controllers/graph_controller.rb @@ -1,6 +1,5 @@ require 'date' -class GraphController < ApplicationController - +class GraphController < ApplicationController class GruffGraff def initialize(options) @@ -79,9 +78,6 @@ class GraphController < ApplicationController def borda_bar @election = Election.find(params[:id]) - #pref_tally = make_preference_tally(@election) - - #@borda_result = BordaVote.new(pref_tally).result @election.results unless @election.borda_result data, labels = get_borda_points(@election.borda_result) @@ -97,7 +93,8 @@ class GraphController < ApplicationController #Acording to Tufte, small, concomparitive, highly labeled data sets usually # belong in tables. The following is a bar graph...but would it be better #as a table? - def choices_positions + def choices_positions + @election = Election.find(params[:id]) pref_tally = make_preference_tally(@election) @@ -118,37 +115,40 @@ class GraphController < ApplicationController end private - def get_positions_info(election) buckets = Hash.new buckets2= Hash.new rank_labels = Hash.new - + election.candidates.each do |candidate| buckets[candidate.id] = [] buckets2[candidate.id] = [] end - + + #attach the ranking to the candidate's array to which is belongs election.votes.each do |vote| vote.rankings.each do |ranking| buckets[ranking.candidate_id] << ranking.rank end end - + + #count how many times each candidate has been ranked at a certain level buckets.each_pair do |id, array| (1..election.candidates.size).each do |i| buckets2[id] << (array.find_all {|rank| rank == i}).size end end + #sort by amount of 1st place votes + sorted_data = buckets2.values.sort {|a,b| b[0] <=> a[0]} + election.votes.each do |vote| vote.rankings.size.times do |i| rank_labels[i] = (i+1).to_s end end - return buckets2.values, rank_labels - + return sorted_data, rank_labels end # generate the data and labels for each graph @@ -256,7 +256,7 @@ class GraphController < ApplicationController #Populate points with an sorted array from election.votes hash #biggest to smallest will go from left to right - points = result.election.votes.sort do |a, b| + points = result.points.sort do |a, b| b[1] <=> a[1] end.collect {|i| i[1]}