Re-generating one weight classes matches - NEED TO REFACTOR and NEED TO WRITE TESTS

Code is repeated in the following classes:
GenerateTournamentMatches
PoolToBracketMatchGeneration
PoolToBracketGenerateLoserNames
WipeTournamentMatches

app/controllers/weights_controller.rb

@@ -1,6 +1,6 @@
 class WeightsController < ApplicationController
-  before_action :set_weight, only: [:show, :edit, :update, :destroy]
+  before_action :set_weight, only: [:show, :edit, :update, :destroy,:re_gen]
-  before_filter :check_access, only: [:new,:create,:update,:destroy,:edit]
+  before_filter :check_access, only: [:new,:create,:update,:destroy,:edit, :re_gen]
 
 
   # GET /weights/1
@@ -70,6 +70,11 @@ class WeightsController < ApplicationController
     end
   end
   
+  def re_gen
+    @tournament = @weight.tournament
+    GenerateTournamentMatches.new(@tournament).generateWeight(@weight)
+  end
+
   private
     # Use callbacks to share common setup or constraints between actions.
     def set_weight

app/services/tournament_services/generate_tournament_matches.rb

@@ -3,6 +3,19 @@ class GenerateTournamentMatches
       @tournament = tournament
     end
     
+    def generateWeight(weight)
+        WipeTournamentMatches.new(@tournament).wipeWeightMatches(weight)
+        @tournament.curently_generating_matches = 1
+        @tournament.save
+        unAssignBouts
+        PoolToBracketMatchGeneration.new(@tournament).generatePoolToBracketMatchesWeight(weight) if @tournament.tournament_type == "Pool to bracket"
+        postMatchCreationActions
+        PoolToBracketGenerateLoserNames.new(@tournament).assignLoserNamesWeight(weight) if @tournament.tournament_type == "Pool to bracket"
+    end
+    if Rails.env.production?
+		handle_asynchronously :generateWeight
+	end
+
     def generate
         standardStartingActions
         PoolToBracketMatchGeneration.new(@tournament).generatePoolToBracketMatches if @tournament.tournament_type == "Pool to bracket"
@@ -57,7 +70,13 @@ class GenerateTournamentMatches
 		end
 	end
     
-    
+    def unAssignBouts
+		bout_counts = Hash.new(0)
+		@tournament.matches.each do |m|
+			m.bout_number = nil
+			m.save!
+		end
+	end
     
     
 

app/services/tournament_services/pool_to_bracket_generate_loser_names.rb

@@ -3,6 +3,18 @@ class PoolToBracketGenerateLoserNames
       @tournament = tournament
     end
     
+  def assignLoserNamesWeight(weight)
+      matches_by_weight = @tournament.matches.where(weight_id: weight.id)
+      if weight.pool_bracket_type == "twoPoolsToSemi"
+        twoPoolsToSemiLoser(matches_by_weight)
+      elsif weight.pool_bracket_type == "fourPoolsToQuarter"
+        fourPoolsToQuarterLoser(matches_by_weight)
+      elsif weight.pool_bracket_type == "fourPoolsToSemi"
+        fourPoolsToSemiLoser(matches_by_weight)
+      end
+      saveMatches(matches_by_weight)
+  end
+
    def assignLoserNames
     matches_by_weight = nil
     @tournament.weights.each do |w|

app/services/tournament_services/pool_to_bracket_match_generation.rb

@@ -3,7 +3,13 @@ class PoolToBracketMatchGeneration
       @tournament = tournament
     end
     
-    
+    def generatePoolToBracketMatchesWeight(weight)
+    	PoolGeneration.new(weight).generatePools()
+        last_match = @tournament.matches.where(weight: weight).order(round: :desc).limit(1).first
+        highest_round = last_match.round
+        PoolBracketGeneration.new(weight, highest_round).generateBracketMatches()
+        setOriginalSeedsToWrestleLastPoolRound(weight)
+    end
 	
 	def generatePoolToBracketMatches
         @tournament.weights.order(:max).each do |weight|

app/services/tournament_services/wipe_tournament_matches.rb

@@ -9,6 +9,10 @@ class WipeTournamentMatches
         resetSchoolScores
     end
     
+    def wipeWeightMatches(weight)
+       weight.matches.destroy_all 
+    end
+    
     def wipeMatches
        @tournament.matches.destroy_all
     end

app/views/weights/re_gen.html.erb

@@ -0,0 +1,3 @@
+<%= link_to "Back to #{@weight.tournament.name}", "/tournaments/#{@weight.tournament.id}", :class=>"btn btn-default" %>
+<br><br>
+<%= @weight.max %> lbs Matches are being generated. This can take anywhere from 1-5 minutes to finish. It is recommended to delete all delegated school permissions to prevent lineup changes after the tournament has started. 

app/views/weights/show.html.erb

@@ -4,6 +4,9 @@
  <%= link_to "Back to #{@tournament.name}", "/tournaments/#{@tournament.id}", :class=>"btn btn-default" %> 
 <% if can? :manage, @tournament %>
  | <%= link_to "Edit #{@weight.max} Weight Class", edit_weight_path(@weight), :class=>"btn btn-primary" %>
+ | <%= form_for(@weight, url: regen_weight_path(@weight.id), :method => "post") do |f| %>
+      <%= submit_tag "Regenerate Weight Class Matches", :class=>"btn"%>
+  <% end %>  
 <% end %>
 
 <br>

config/routes.rb

@@ -51,6 +51,7 @@ Wrestling::Application.routes.draw do
   get 'tournaments/:id/error' => 'tournaments#error'
   post "/tournaments/:id/swap" => "tournaments#swap", :as => :swap_wrestlers
   
+  post 'weights/:id/re_gen' => 'weights#re_gen', :as => :regen_weight
   
   #API
   get "/api/tournaments" => "api#tournaments"

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160126173424) do
+ActiveRecord::Schema.define(version: 20160112152946) do
 
   create_table "delayed_jobs", force: :cascade do |t|
     t.integer  "priority",   default: 0, null: false