Resuming work on my "It Hurts My Brain"-like pairing generator!

app/controllers/toys_controller.rb

@@ -0,0 +1,43 @@
+class ToysController < ApplicationController
+  # Enigel's experimental toy; don't refresh too much!
+  def brainhurter
+    if current_user.is_a?(User)
+      @crtUserFandoms = ( (current_user.tags.uniq.select {|t| t.is_a?(Fandom) && t.canonical?}) + (current_user.tags.uniq.select {|t| t.is_a?(Fandom) && t.merger}.collect(&:merger)) ).uniq
+      @crtUserCharas  = ( (current_user.tags.uniq.select {|t| t.is_a?(Character) && t.canonical?}) + (current_user.tags.uniq.select {|t| t.is_a?(Character) && t.merger}.collect(&:merger)) ).uniq
+
+      if !params[:level].blank? && params[:level].to_s.downcase == "kamikaze"
+        @crtUserSum = (@crtUserFandoms.collect {|f| f.characters.canonical} + @crtUserCharas).flatten.uniq
+        pool = Array.new(@crtUserSum)
+      else
+        pool = Array.new(@crtUserCharas)
+      end
+
+      if @crtUserFandoms.size < 2 || pool.size < 2
+        flash[:error] = "Sorry, you need to have written in at least two different fandoms, at least two different characters!"
+      else
+        if !params[:pairings_count].blank? && ["5","10","15","20"].include?(params[:pairings_count])
+          @pairings = []
+          # while !pool.empty? && !(pool.collect {|c| c.fandoms}.flatten.uniq.sort.to_s == pool[0].fandoms.uniq.sort.to_s) # this is a bad, bad thing to do!
+          params[:pairings_count].to_i.times do
+            character = pool[rand(pool.size)]
+            pool.delete(character)
+            mate = pool[rand(pool.size)]
+            infinite_loop = 0
+            until (mate.fandoms & character.fandoms).empty? || infinite_loop > 100
+              mate = pool[rand(pool.size)]
+              infinite_loop += 1
+            end
+            pairing = {:top => character, :bottom => mate}
+            @pairings << pairing
+            pool.delete(mate)
+            break if pool.size < 2 || pool.collect(&:fandoms).flatten.uniq.size < 2
+          end
+          @pairings = @pairings.flatten unless @pairings.blank?
+        end
+      end
+    else
+      flash[:error] = "Sorry, this functionality is currently only available to registered users!"
+    end
+  end
+
+end

app/views/toys/brainhurter.html.erb

@@ -0,0 +1,35 @@
+<h2>Roll-your-own Brainhurt Pairing Generator</h2>
+
+<% form_tag "/brainhurter", :method => :post do %>
+  <%= label_tag "level_normal", "Use your written characters" %>
+  <%= radio_button_tag "level", "normal", params[:level] == "normal" %>
+  <%= label_tag "level_kamikaze", "Use all the characters in your written fandoms" %>
+  <%= radio_button_tag "level", "kamikaze", params[:level] == "kamikaze" %>
+  <%= select_tag "pairings_count", options_for_select(["5", "10", "15", "20"], params[:pairings_count]) %>
+  <%= submit_tag 'Gimme!' %>
+<% end %>
+
+<% if !params[:pairings_count].blank? && !@pairings.blank? %>
+  <ul>
+<% @pairings.each do |pairing| %>
+    <li><%= pairing[:top].name %>/<%= pairing[:bottom].name %></li>
+<% end %>
+  </ul>
+<% elsif !params[:pairings_count].blank? && @pairings.blank? %>
+  <p>Sorry, you either don't have enough variety in fandoms and/or characters, or there was some other kind of error.</p>
+<% end %>
+
+<% unless @crtUserFandoms.blank? %>
+<h3>Your Written Fandoms</h3>
+<p><%= @crtUserFandoms.collect(&:name).sort.join(ArchiveConfig.DELIMITER_FOR_OUTPUT) %></p>
+<% end %>
+
+<% unless @crtUserCharas.blank? %>
+<h3>Your Written Characters</h3>
+<p><%= @crtUserCharas.collect(&:name).sort.join(ArchiveConfig.DELIMITER_FOR_OUTPUT) %></p>
+<% end %>
+
+<% unless @crtUserSum.blank? %>
+<h3>Your Maximal Pool of Characters</h3>
+<p><%= @crtUserSum.collect(&:name).sort.join(ArchiveConfig.DELIMITER_FOR_OUTPUT) %></p>
+<% end %>