From ad5ca8bbfbef358919aa877e78dceb27fdc6387a Mon Sep 17 00:00:00 2001 From: Date: Tue, 21 Aug 2007 18:36:06 -0400 Subject: [PATCH] Made the results page 'modular,' and all the necessary adaptations. --- app/controllers/quickvote_controller.rb | 2 +- app/models/election.rb | 23 +++- app/views/quickvote/_result_approval.rhtml | 17 +++ app/views/quickvote/_result_borda.rhtml | 16 +++ app/views/quickvote/_result_condorcet.rhtml | 18 +++ app/views/quickvote/_result_plurality.rhtml | 17 +++ app/views/quickvote/_result_runoff.rhtml | 20 ++++ app/views/quickvote/_result_ssd.rhtml | 17 +++ app/views/quickvote/results.rhtml | 119 ++------------------ config/environment.rb | 4 +- db/create.sql | 1 + db/schema.rb | 17 +-- 12 files changed, 145 insertions(+), 126 deletions(-) create mode 100644 app/views/quickvote/_result_approval.rhtml create mode 100644 app/views/quickvote/_result_borda.rhtml create mode 100644 app/views/quickvote/_result_condorcet.rhtml create mode 100644 app/views/quickvote/_result_plurality.rhtml create mode 100644 app/views/quickvote/_result_runoff.rhtml create mode 100644 app/views/quickvote/_result_ssd.rhtml diff --git a/app/controllers/quickvote_controller.rb b/app/controllers/quickvote_controller.rb index bb60b45..54784ef 100644 --- a/app/controllers/quickvote_controller.rb +++ b/app/controllers/quickvote_controller.rb @@ -161,7 +161,7 @@ class QuickvoteController < ApplicationController redirect_to :controller => 'site' return end - @election.results + @results = @election.results @candidates = {} @election.candidates.each {|c| @candidates[c.id] = c} end diff --git a/app/models/election.rb b/app/models/election.rb index d76c13f..59a10bf 100644 --- a/app/models/election.rb +++ b/app/models/election.rb @@ -5,13 +5,24 @@ class Election < ActiveRecord::Base belongs_to :user validates_presence_of :name, :description + #validate that method is one of the listed election types + attr_reader :plurality_result attr_reader :approval_result attr_reader :condorcet_result attr_reader :ssd_result attr_reader :borda_result - + require 'date' + + def other_methods + if election_method + @other_methods = ELECTION_TYPES.reject {|i| i == election_method} + else + @other_methods = nil + end + @other_methods + end def startdate read_attribute( :startdate ) || Time.now @@ -100,15 +111,19 @@ class Election < ActiveRecord::Base preference_tally << voter.vote.rankings.sort.collect \ { |ranking| ranking.candidate.id } end + @plurality_result = PluralityVote.new(plurality_tally).result @approval_result = ApprovalVote.new(approval_tally).result @condorcet_result = PureCondorcetVote.new(preference_tally).result @ssd_result = CloneproofSSDVote.new(preference_tally).result @borda_result = BordaVote.new(preference_tally).result - #@runoff_result = InstantRunoffVote.new(preference_tally).result - nil # to stay consistent - end + { 'plurality' => @plurality_result, + 'approval' => @approval_result, + 'condorcet' => @condorcet_result, + 'ssd' => @ssd_result, + 'borda' => @borda_result } + end def names_by_id names = Hash.new diff --git a/app/views/quickvote/_result_approval.rhtml b/app/views/quickvote/_result_approval.rhtml new file mode 100644 index 0000000..12c7958 --- /dev/null +++ b/app/views/quickvote/_result_approval.rhtml @@ -0,0 +1,17 @@ +
+

Approval Result

+

(This algorithm assumes that top two choices are "approved.")

+ +
+

About Approval Voting

+ +

<%= link_to "Approval voting", +"http://en.wikipedia.org/wiki/Approval_voting" %> is a voting system in +which each voter can vote for as many or as few candidates as the voter +chooses. Approval voting is a limited form of range voting, where the +range that voters are allowed to express is extremely constrained: +accept or not.

+ +
+ +
\ No newline at end of file diff --git a/app/views/quickvote/_result_borda.rhtml b/app/views/quickvote/_result_borda.rhtml new file mode 100644 index 0000000..97d82e5 --- /dev/null +++ b/app/views/quickvote/_result_borda.rhtml @@ -0,0 +1,16 @@ +
+

Borda Count Results

+ +
+

About Borda Count

+ +

<%= link_to "Borda count", +"http://en.wikipedia.org/wiki/Borda_count" %> +is an election method in which voters rank +candidates in order of preference. The Borda count determines the winner +of an election by giving each candidate a certain number of points +corresponding to the position in which he or she is ranked by each +voter. Once all votes have been counted the candidate with the most +points is the winner.

+
+
\ No newline at end of file diff --git a/app/views/quickvote/_result_condorcet.rhtml b/app/views/quickvote/_result_condorcet.rhtml new file mode 100644 index 0000000..4279bbd --- /dev/null +++ b/app/views/quickvote/_result_condorcet.rhtml @@ -0,0 +1,18 @@ +
+

Simple Condorcet Results

+ +
+

About Simple Cordorcet Voting

+ +

<%= link_to "Condorcet", +"http://en.wikipedia.org/wiki/Condorcet_method" %> allows voters to rank +candidates in order of preference. If there is a choice whom voters +prefer to each other choice when compared to one at a time, that choice +will be the winner.

+ +

There is a family of Condorcet methods. This method is referred to as +"Simple Condorcet" to distinguish it from the Schulze method which is +another Condorcet system.

+ +
+
\ No newline at end of file diff --git a/app/views/quickvote/_result_plurality.rhtml b/app/views/quickvote/_result_plurality.rhtml new file mode 100644 index 0000000..121c1dc --- /dev/null +++ b/app/views/quickvote/_result_plurality.rhtml @@ -0,0 +1,17 @@ +
+

Plurality Results

+ +
+

About Plurality Voting

+ +

<%= link_to "Plurality voting", +"http://en.wikipedia.org/wiki/Plurality_electoral_system" %> selects the +winner who has received the most "number one" votes, regardless of +whether or not he or she has a majority of votes.

+ +

Plurality voting is also variously referred to as, "first past the +post," "winner-take-all," "majoritarian" or "simple majority" +voting.

+ +
+
\ No newline at end of file diff --git a/app/views/quickvote/_result_runoff.rhtml b/app/views/quickvote/_result_runoff.rhtml new file mode 100644 index 0000000..f242290 --- /dev/null +++ b/app/views/quickvote/_result_runoff.rhtml @@ -0,0 +1,20 @@ +
+

Instant Runoff (IRV) Results

+ +
+

About Instant Runoff Voting

+ +

<%= link_to "Instant runoff voting", +"http://en.wikipedia.org/wiki/Instant_Runoff_Voting" %> is an electoral +system in which voters rank candidates in order of preference. In an IRV +election, if no candidate receives an overall majority of first +preferences the candidates with fewest votes are eliminated one by one, +and their votes transferred according to their second and third +preferences (and so on), until one candidate achieves a majority.

+ +

Instant-runoff voting (IRV) is also known as the Alternative Vote (AV) and +by several other names.

+ +
+ +
\ No newline at end of file diff --git a/app/views/quickvote/_result_ssd.rhtml b/app/views/quickvote/_result_ssd.rhtml new file mode 100644 index 0000000..436dd67 --- /dev/null +++ b/app/views/quickvote/_result_ssd.rhtml @@ -0,0 +1,17 @@ +
+

Schulze Method Results

+ +
+

About the Schulze Method

+ +

The <%= link_to "Schulze method", +"http://en.wikipedia.org/wiki/Schulze_method" %> is a preferential +voting system. It is based on the Condorcet method but includes a set of +methods for resolving "circular" defeats.

+ +

The Schulze method is also known as Schwartz Sequential Dropping +(SSD), Cloneproof Schwartz Sequential Dropping (CSSD), Beatpath Method, +Beatpath Winner, Path Voting, and Path Winner.

+
+ +
diff --git a/app/views/quickvote/results.rhtml b/app/views/quickvote/results.rhtml index 3d5468c..7ab73ef 100644 --- a/app/views/quickvote/results.rhtml +++ b/app/views/quickvote/results.rhtml @@ -27,121 +27,16 @@

Winners

-
-

Schulze Method Results

-<%= render :partial => 'result', :object => @election.ssd_result %> +<%= render :partial => 'result_' + @election.election_method, + :object => @results[@election.election_method] %> -
-

About the Schulze Method

-

The <%= link_to "Schulze method", -"http://en.wikipedia.org/wiki/Schulze_method" %> is a preferential -voting system. It is based on the Condorcet method but includes a set of -methods for resolving "circular" defeats.

- -

The Schulze method is also known as Schwartz Sequential Dropping -(SSD), Cloneproof Schwartz Sequential Dropping (CSSD), Beatpath Method, -Beatpath Winner, Path Voting, and Path Winner.

-
- -
- -
-

Plurality Results

-<%= render :partial => 'result', :object => @election.plurality_result %> - -
-

About Plurality Voting

- -

<%= link_to "Plurality voting", -"http://en.wikipedia.org/wiki/Plurality_electoral_system" %> selects the -winner who has received the most "number one" votes, regardless of -whether or not he or she has a majority of votes.

- -

Plurality voting is also variously referred to as, "first past the -post," "winner-take-all," "majoritarian" or "simple majority" -voting.

- -
-
- -
-

Approval Result

-

(This algorithm assumes that top two choices are "approved.")

-<%= render :partial => 'result', :object => @election.approval_result %> - -
-

About Approval Voting

- -

<%= link_to "Approval voting", -"http://en.wikipedia.org/wiki/Approval_voting" %> is a voting system in -which each voter can vote for as many or as few candidates as the voter -chooses. Approval voting is a limited form of range voting, where the -range that voters are allowed to express is extremely constrained: -accept or not.

- -
- -
- -
-

Simple Condorcet Results

-<%= render :partial => 'result', :object => @election.condorcet_result %> - -
-

About Simple Cordorcet Voting

- -

<%= link_to "Condorcet", -"http://en.wikipedia.org/wiki/Condorcet_method" %> allows voters to rank -candidates in order of preference. If there is a choice whom voters -prefer to each other choice when compared to one at a time, that choice -will be the winner.

- -

There is a family of Condorcet methods. This method is referred to as -"Simple Condorcet" to distinguish it from the Schulze method which is -another Condorcet system.

- -
-
- -
-

Borda Count Results

-<%= render :partial => 'result', :object => @election.borda_result %> - -
-

About Borda Count

- -

<%= link_to "Borda count", -"http://en.wikipedia.org/wiki/Borda_count" %> -is an election method in which voters rank -candidates in order of preference. The Borda count determines the winner -of an election by giving each candidate a certain number of points -corresponding to the position in which he or she is ranked by each -voter. Once all votes have been counted the candidate with the most -points is the winner.

-
-
- -
-

Instant Runoff (IRV) Results

- -
-

About Instant Runoff Voting

- -

<%= link_to "Instant runoff voting", -"http://en.wikipedia.org/wiki/Instant_Runoff_Voting" %> is an electoral -system in which voters rank candidates in order of preference. In an IRV -election, if no candidate receives an overall majority of first -preferences the candidates with fewest votes are eliminated one by one, -and their votes transferred according to their second and third -preferences (and so on), until one candidate achieves a majority.

- -

Instant-runoff voting (IRV) is also known as the Alternative Vote (AV) and -by several other names.

- -
+

Other Voting Methods

+<% for result_type in @election.other_methods %> +<%= render :partial => 'result_' + result_type, + :object => @results[result_type] %> +<% end %> -
diff --git a/config/environment.rb b/config/environment.rb index e071a14..571638d 100644 --- a/config/environment.rb +++ b/config/environment.rb @@ -63,10 +63,12 @@ MAIL_CONFIG = { :from => 'Selectricity '} require 'uniq_token' require 'randarray' -require 'rubyvote' require 'gruff' require 'sparklines' +require 'rubyvote' +ELECTION_TYPES = %w(ssd plurality approval condorcet borda) + class String # alternate capitalization method that does not lowercase the rest of # the string -- which is almost never what I want diff --git a/db/create.sql b/db/create.sql index 0a2f4b5..7b3fef5 100644 --- a/db/create.sql +++ b/db/create.sql @@ -11,6 +11,7 @@ create table elections ( enddate datetime NOT NULL, active tinyint NOT NULL DEFAULT 0, user_id int NULL, + election_method varchar(100) DEFAULT 'ssd', `type` varchar(100) NOT NULL, primary key (id), constraint fk_user_election foreign key (user_id) references users(id) diff --git a/db/schema.rb b/db/schema.rb index 45d7b41..cc61ca3 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -14,14 +14,15 @@ ActiveRecord::Schema.define() do end create_table "elections", :force => true do |t| - t.column "name", :string, :limit => 100, :default => "", :null => false - t.column "description", :text, :default => "", :null => false - t.column "anonymous", :integer, :limit => 4, :default => 1, :null => false - t.column "startdate", :datetime - t.column "enddate", :datetime, :null => false - t.column "active", :integer, :limit => 4, :default => 0, :null => false - t.column "user_id", :integer - t.column "type", :string, :limit => 100, :default => "", :null => false + t.column "name", :string, :limit => 100, :default => "", :null => false + t.column "description", :text, :default => "", :null => false + t.column "anonymous", :integer, :limit => 4, :default => 1, :null => false + t.column "startdate", :datetime + t.column "enddate", :datetime, :null => false + t.column "active", :integer, :limit => 4, :default => 0, :null => false + t.column "user_id", :integer + t.column "election_method", :string, :limit => 100, :default => "ssd" + t.column "type", :string, :limit => 100, :default => "", :null => false end add_index "elections", ["user_id"], :name => "fk_user_election" -- 2.30.2