From e099f5c0578c908727041c4ff4a9b1fe6e11f994 Mon Sep 17 00:00:00 2001
From: Xuanhuy218972 <xuanhuy21082023@gmail.com>
Date: Mon, 1 Dec 2025 17:48:01 +0700
Subject: [PATCH 1/4] Add destroy method for categories

---
 app/controllers/categories_controller.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 30dc1aa..1a09add 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -32,6 +32,20 @@ def create
     [[], 302, { 'location' => location }]
   end
 
+  def destroy
+    return require_authentication unless current_user
+
+    return category_not_found unless find_category
+    category_name = @category.name
+    if @category.destroy
+      request.session['flash'] = "Category '#{category_name}' deleted"
+    else
+      request.session['flash'] = "Failed to delete"
+    end
+
+    [[], 302, { 'location' => '/categories' }]
+  end
+
   private
 
   def find_category

From 8580200b182a01985d6e553575ad6c7bfae44d32 Mon Sep 17 00:00:00 2001
From: Xuanhuy218972 <xuanhuy21082023@gmail.com>
Date: Mon, 1 Dec 2025 17:49:48 +0700
Subject: [PATCH 2/4] Add delete route for categories

---
 config.ru | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config.ru b/config.ru
index f24c92b..1f820c3 100644
--- a/config.ru
+++ b/config.ru
@@ -31,6 +31,7 @@ use Frack::Router do
   get '/categories/new' => 'categories#new'
   post '/categories' => 'categories#create'
   get '/categories/show' => 'categories#show'
+  delete '/categories' => 'categories#destroy'
   get '/products' => 'products#index'
   get '/products/new' => 'products#new'
   post '/products' => 'products#create'

From f8895e2b95142e67211136d48ff21d2ec7fde6f4 Mon Sep 17 00:00:00 2001
From: Xuanhuy218972 <xuanhuy21082023@gmail.com>
Date: Mon, 1 Dec 2025 18:00:35 +0700
Subject: [PATCH 3/4] Add bootstrap for delete check

---
 app/views/categories/index.html.erb | 34 +++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/app/views/categories/index.html.erb b/app/views/categories/index.html.erb
index fb952c8..f09f92d 100644
--- a/app/views/categories/index.html.erb
+++ b/app/views/categories/index.html.erb
@@ -16,12 +16,46 @@
                   <%= category.name %>
                 </a>
               </h5>
+
+              <div class="mt-2">
+                <button type="button"
+                  class="btn btn-sm btn-outline-danger"
+                  data-bs-toggle="modal" 
+                        data-bs-target="#deleteModal-<%= category.id %>">
+                  Delete category
+                </button>
+
+            <div class="modal fade" id="deleteModal-<%= category.id %>" tabindex="-1" aria-hidden="true">
+                  <div class="modal-dialog">
+                    <div class="modal-content">
+                      <div class="modal-header">
+                        <h5 class="modal-title">Confirm Deletion</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                      </div>
+                      <div class="modal-body">
+                        Are you sure you want to delete <strong><%= category.name %></strong>?<br>
+                        This action cannot be undone.
+                      </div>
+                      <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
+
+                        <form action="/categories?id=<%= category.id %>" method="POST" style="display: inline;">
+                          <input type="hidden" name="_method" value="DELETE">
+                          <button type="submit" class="btn btn-danger">Delete</button>
+                        </form>
+                        
+                      </div>
+                    </div>
+                  </div>
+                </div>
+              </div>
             </div>
           </div>
         </div>
       <% end %>
     </div>
 
+
     <nav class="d-flex justify-content-center mt-3" aria-label="Pages">
       <%= pagy_bootstrap_nav(@pagy) if @pagy&.pages.to_i > 1 %>
     </nav>

From 7093239c65f5c3600f57f35ae61f95a5c0451cba Mon Sep 17 00:00:00 2001
From: Xuanhuy218972 <xuanhuy21082023@gmail.com>
Date: Mon, 1 Dec 2025 18:01:22 +0700
Subject: [PATCH 4/4] Fix error by rubocop

---
 app/controllers/categories_controller.rb | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 1a09add..8f61c8c 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -36,12 +36,13 @@ def destroy
     return require_authentication unless current_user
 
     return category_not_found unless find_category
+
     category_name = @category.name
-    if @category.destroy
-      request.session['flash'] = "Category '#{category_name}' deleted"
-    else
-      request.session['flash'] = "Failed to delete"
-    end
+    request.session['flash'] = if @category.destroy
+                                 "Category '#{category_name}' deleted"
+                               else
+                                 'Failed to delete'
+                               end
 
     [[], 302, { 'location' => '/categories' }]
   end