From ae3c7c73e1322c3a871619a6ff86648ab42e11c8 Mon Sep 17 00:00:00 2001
From: sto <puz.github.sto.happiness841@passmail.net>
Date: Fri, 21 Nov 2025 10:53:23 +0100
Subject: [PATCH] Add admin action to regenerate QR codes

---
 app/controllers/users_controller.rb | 9 +++++++++
 app/models/contestant.rb            | 4 ++++
 app/policies/user_policy.rb         | 4 ++++
 app/views/users/index.html.slim     | 3 ++-
 config/routes.rb                    | 1 +
 5 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 9fe3c88..dbc2a4a 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -73,6 +73,15 @@ class UsersController < ApplicationController
     redirect_to users_path, notice: "Updated contestants: #{updated}/#{total}"
   end
 
+  def regenerate_qrcodes
+    authorize :user
+
+    Contestant.all.each do |contestant|
+      contestant.regenerate_qrcode
+      contestant.save
+    end
+  end
+
   private
 
   def set_user
diff --git a/app/models/contestant.rb b/app/models/contestant.rb
index 0a895ec..9e270d8 100644
--- a/app/models/contestant.rb
+++ b/app/models/contestant.rb
@@ -43,6 +43,10 @@ class Contestant < ApplicationRecord
     end
   end
 
+  def regenerate_qrcode
+    generate_qrcode
+  end
+
   private
 
   def initialize_time_seconds_if_empty
diff --git a/app/policies/user_policy.rb b/app/policies/user_policy.rb
index bb8eacd..b30538f 100644
--- a/app/policies/user_policy.rb
+++ b/app/policies/user_policy.rb
@@ -30,4 +30,8 @@ class UserPolicy < ApplicationPolicy
   def update_contestants?
     user.admin?
   end
+
+  def regenerate_qrcodes?
+    user.admin?
+  end
 end
diff --git a/app/views/users/index.html.slim b/app/views/users/index.html.slim
index 80968df..38d4a1f 100644
--- a/app/views/users/index.html.slim
+++ b/app/views/users/index.html.slim
@@ -25,4 +25,5 @@ table.table.table-striped.table-hover
   .col
     a.btn.btn-primary href=new_user_path
       | New user
-    = button_to "Update contestants", "/update_contestants", method: :post, class: "mt-3 btn btn-success"
\ No newline at end of file
+    = button_to "Update contestants", "/update_contestants", method: :post, class: "mt-3 btn btn-success"
+    = button_to "Regenerate QR codes", "/regenerate_qrcodes", method: :post, class: "mt-3 btn btn-success"
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 74fdf94..df34e7b 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -37,6 +37,7 @@ Rails.application.routes.draw do
   post "connect", to: "messages#connect"
   post "message", to: "messages#create"
 
+  post "regenerate_qrcodes", to: "users#regenerate_qrcodes"
   post "update_contestants", to: "users#update_contestants"
 
   get "public/:id", to: "contests#scoreboard"