Converted class tournamentmatchgen into the GeneratesLoserNames module.

Here is another way to handle functionality that you may not want bloating your ActiveRecord class, yet belongs _on_ the model.
In this case, I feel there is an abstraction we are still sorely missing.

app/models/generates_loser_names.rb

@@ -0,0 +1,57 @@
+module GeneratesLoserNames
+  def assignLoserNames
+    matches_by_weight = nil
+    weights.each do |w|
+      matches_by_weight = matches.where(weight_id: w.id)
+      if w.pool_bracket_type == "twoPoolsToSemi"
+        twoPoolsToSemiLoser(matches_by_weight)
+      elsif w.pool_bracket_type == "fourPoolsToQuarter"
+        fourPoolsToQuarterLoser(matches_by_weight)
+      elsif w.pool_bracket_type == "fourPoolsToSemi"
+        fourPoolsToSemiLoser(matches_by_weight)
+      end
+    end
+    return matches_by_weight
+  end
+
+  def twoPoolsToSemiLoser(matches_by_weight)
+    match1 = matches_by_weight.select{|m| m.loser1_name == "Winner Pool 1"}.first
+    match2 = matches_by_weight.select{|m| m.loser1_name == "Winner Pool 2"}.first
+    matchChange = matches_by_weight.select{|m| m.bracket_position == "3/4"}.first
+    matchChange.loser1_name = "Loser of #{match1.bout_number}"
+    matchChange.loser2_name = "Loser of #{match2.bout_number}"
+  end
+
+  def fourPoolsToQuarterLoser(matches_by_weight)
+    quarters = matches_by_weight.select{|m| m.bracket_position == "Quarter"}
+    consoSemis = matches_by_weight.select{|m| m.bracket_position == "Conso Semis"}
+    semis = matches_by_weight.select{|m| m.bracket_position == "Semis"}
+    thirdFourth = matches_by_weight.select{|m| m.bracket_position == "3/4"}.first
+    seventhEighth = matches_by_weight.select{|m| m.bracket_position == "7/8"}.first
+    consoSemis.each do |m|
+      if m.bracket_position_number == 1
+        m.loser1_name = "Loser of #{quarters.select{|m| m.bracket_position_number == 1}.first.bout_number}"
+        m.loser2_name = "Loser of #{quarters.select{|m| m.bracket_position_number == 2}.first.bout_number}"
+      elsif m.bracket_position_number == 2
+        m.loser1_name = "Loser of #{quarters.select{|m| m.bracket_position_number == 3}.first.bout_number}"
+        m.loser2_name = "Loser of #{quarters.select{|m| m.bracket_position_number == 4}.first.bout_number}"
+      end
+    end
+    thirdFourth.loser1_name = "Loser of #{semis.select{|m| m.bracket_position_number == 1}.first.bout_number}"
+    thirdFourth.loser2_name = "Loser of #{semis.select{|m| m.bracket_position_number == 2}.first.bout_number}"
+    consoSemis = matches_by_weight.select{|m| m.bracket_position == "Conso Semis"}
+    seventhEighth.loser1_name = "Loser of #{consoSemis.select{|m| m.bracket_position_number == 1}.first.bout_number}"
+    seventhEighth.loser2_name = "Loser of #{consoSemis.select{|m| m.bracket_position_number == 2}.first.bout_number}"
+  end
+
+  def fourPoolsToSemiLoser(matches_by_weight)
+    semis = matches_by_weight.select{|m| m.bracket_position == "Semis"}
+    thirdFourth = matches_by_weight.select{|m| m.bracket_position == "3/4"}.first
+    consoSemis = matches_by_weight.select{|m| m.bracket_position == "Conso Semis"}
+    seventhEighth = matches_by_weight.select{|m| m.bracket_position == "7/8"}.first
+    thirdFourth.loser1_name = "Loser of #{semis.select{|m| m.bracket_position_number == 1}.first.bout_number}"
+    thirdFourth.loser2_name = "Loser of #{semis.select{|m| m.bracket_position_number == 2}.first.bout_number}"
+    seventhEighth.loser1_name = "Loser of #{consoSemis.select{|m| m.bracket_position_number == 1}.first.bout_number}"
+    seventhEighth.loser2_name = "Loser of #{consoSemis.select{|m| m.bracket_position_number == 2}.first.bout_number}"
+  end
+end