Added mat assignment rules for the bout board and fixed the bug where a delegate making the tournamnet info public changes them to the owner

app/models/mat.rb

@@ -1,6 +1,7 @@
 class Mat < ApplicationRecord
 	belongs_to :tournament
 	has_many :matches
+	has_many :mat_assignment_rules, dependent: :destroy
 
 	validates :name, presence: true
 
@@ -21,11 +22,11 @@ class Mat < ApplicationRecord
 	end
 
 	def assign_next_match
-		t_matches = tournament.matches.select{|m| m.mat_id == nil && m.finished != 1 && m.bout_number != nil}.sort_by{|m| m.bout_number}
-		if t_matches.size > 0 and self.unfinished_matches.size < 4
-			match = t_matches.sort_by{|m| m.bout_number}.first
+		match = next_eligible_match
+		if match
 			match.mat_id = self.id
 			if match.save
+				# Invalidate any wrestler caches
 				if match.w1
 					match.wrestler1.touch
 					match.wrestler1.school.touch
@@ -43,6 +44,31 @@ class Mat < ApplicationRecord
 		end
 	end
 
+	def next_eligible_match
+		# Start with all matches that are either unfinished (nil or 0), have a bout number, and are ordered by bout_number
+		filtered_matches = tournament.matches.where(finished: [nil, 0]).where(mat_id: nil).where.not(bout_number: nil).order(:bout_number)
+
+		# Sequentially apply each rule, narrowing down the matches
+		mat_assignment_rules.each do |rule|
+		  if rule.weight_classes.any?
+			filtered_matches = filtered_matches.where(weight_id: rule.weight_classes)
+		  end
+	  
+		  if rule.bracket_positions.any?
+			filtered_matches = filtered_matches.where(bracket_position: rule.bracket_positions)
+		  end
+	  
+		  if rule.rounds.any?
+			filtered_matches = filtered_matches.where(round: rule.rounds)
+		  end
+		end
+	  
+		# Return the first match in filtered results, or nil if none are left
+		result = filtered_matches.first
+		result
+	end
+	  
+
 	def unfinished_matches
 		matches.select{|m| m.finished != 1}.sort_by{|m| m.bout_number}
 	end