Add State to Model

app/models/match.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class Match < ApplicationRecord
+  enum state: %i[single_team not_ready not_started in_progress team1_won team2_won undecided]
+
   belongs_to :stage, optional: true
   belongs_to :group, optional: true
   has_many :scores, dependent: :destroy
@@ -14,4 +16,18 @@ 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 evaluate_status
+    if score_team1 < score_team2
+      :team2_won
+    elsif score_team2 < score_team1
+      :team1_won
+    else
+      group_match? ? :undecided : :in_progress
+    end
+  end
+
+  def group_match?
+    group.present?
+  end
 end