Add rake tasks for clearing user stats

lib/tasks/users.rake

@@ -6,4 +6,50 @@ namespace :users do
       u.update!
     end
   end
+
+  desc "Set all stats to zero for all users"
+  task clear_stats: :environment do
+    User.each do |u|
+      u.stats.race_wins = 0
+      u.stats.race_win_rate = 0.0
+      u.stats.race_podiums = 0
+      u.stats.race_count = 0
+      u.stats.positions_sum = 0
+      u.stats.session_wins = 0
+      u.stats.session_win_rate = 0.0
+      u.stats.session_podiums = 0
+      u.stats.session_count = 0
+      u.stats.average_position = 0.0
+      u.stats.participation_rate = 0.0
+      u.stats.official_score = 0.0
+      u.stats.obtained_points = 0
+
+      u.update!
+    end
+  end
+
+  desc "Set all stats to zero for a determined user"
+  task :clear_user_stats, [:username] => :environment do |t, args|
+    return if args[:username].nil?
+
+    u = User.find { |u| u.username.downcase.eql?(args[:username].downcase) }
+
+    return if u.nil?
+
+    u.stats.race_wins = 0
+    u.stats.race_win_rate = 0.0
+    u.stats.race_podiums = 0
+    u.stats.race_count = 0
+    u.stats.positions_sum = 0
+    u.stats.session_wins = 0
+    u.stats.session_win_rate = 0.0
+    u.stats.session_podiums = 0
+    u.stats.session_count = 0
+    u.stats.average_position = 0.0
+    u.stats.participation_rate = 0.0
+    u.stats.official_score = 0.0
+    u.stats.obtained_points = 0
+
+    u.update!
+  end
 end