Move group_match method to public methods

This is done in order to check if a match is a group match within
Matches Controller

app/models/match.rb

@@ -24,6 +24,10 @@ class Match < ApplicationRecord
     # This should maybe be cached or put into db
   end
 
+  def group_match?
+    group.present?
+  end
+
   private
 
   def evaluate_winner
@@ -36,8 +40,4 @@ class Match < ApplicationRecord
   def stage_xor_group
     errors.add(:stage_xor_group, 'Stage and Group missing or both present') unless stage.present? ^ group.present?
   end
-
-  def group_match?
-    group.present?
-  end
 end

app/services/playoff_stage_service.rb

@@ -70,4 +70,11 @@ class PlayoffStageService
       stage_count.to_int
     end
   end
+
+  def self.populate_match_below(match)
+    current_stage = match.stage
+    next_stage = match.stage.tournament.stages.
+
+                 puts
+  end
 end