Added error for double elimination tournament

app/models/tournament.rb

@@ -129,9 +129,25 @@ class Tournament < ActiveRecord::Base
         return error_string
   	end
 
+  	def double_elim_number_of_wrestlers
+  		error_string = ""
+        if self.tournament_type == "Double Elimination 1-6"
+        	weights_with_too_many_wrestlers = weights.select{|w| w.wrestlers.size > 16}
+        	weight_with_too_few_wrestlers = weights.select{|w| w.wrestlers.size < 4}
+        	weights_with_too_many_wrestlers.each do |weight|
+        		error_string = error_string + " The weight class #{weight.max} has more than 16 wrestlers."
+        	end
+        	weight_with_too_few_wrestlers.each do |weight|
+        		error_string = error_string + " The weight class #{weight.max} has less than 4 wrestlers."
+        	end
+        end
+        return error_string
+    end
+  	
   	def match_generation_error
   		errorString = "There is a tournament error."
   		modified_sixteen_man_error = modified_sixteen_man_number_of_wrestlers
+        double_elim_error = double_elim_number_of_wrestlers
   		if pool_to_bracket_weights_with_too_many_wrestlers != nil
   			errorString = errorString + " The following weights have too many wrestlers "
   			pool_to_bracket_weights_with_too_many_wrestlers.each do |w|
@@ -140,11 +156,10 @@ class Tournament < ActiveRecord::Base
   			return errorString
   		elsif modified_sixteen_man_error.length > 0
   			return errorString + modified_sixteen_man_error
+  		elsif double_elim_error.length > 0
+  			return error_string + double_elim_error
   		else
   			nil
   		end
   	end
-  	
-  	
-  	
 end