added admin page for rendering subscribers

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - notifications about long time review for pull requests
 - admin page for rendering notifications
 - admin page for rendering webhooks
+- admin page for rendering subscribers
 
 ### Modified
 - refactoring Api::Frontend endpoints

app/controllers/admin/subscribers_controller.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module Admin
+  class SubscribersController < Admin::BaseController
+    include Pagy::Backend
+
+    PER_PAGE = 25
+
+    before_action :find_subscribers, only: %i[index]
+
+    def index; end
+
+    private
+
+    def find_subscribers
+      @pagy, @subscribers = pagy(Subscriber.order(id: :desc), items: PER_PAGE)
+    end
+  end
+end

app/views/components/page_wrappers/admin_component.html.erb

@@ -25,6 +25,9 @@
       <div class="flex flex-row lg:flex-col flex-wrap lg:flex-nowrap">
         <%= link_to 'Feedbacks', admin_feedbacks_path, class: 'user-navigation-link' %>
       </div>
+      <div class="flex flex-row lg:flex-col flex-wrap lg:flex-nowrap">
+        <%= link_to 'Subscribers', admin_subscribers_path, class: 'user-navigation-link' %>
+      </div>
     </div>
   </div>
   <div class="flex-1 w-full p-8 lg:p-12 overflow-y-scroll bg-stone-100">

app/views/controllers/admin/subscribers/index.html.erb

@@ -0,0 +1,19 @@
+<table class="table zebra w-full">
+  <thead>
+    <tr>
+      <th>ID</th>
+      <th>Email</th>
+    </tr>
+  </thead>
+  <tbody>
+    <% @subscribers.each do |subscriber| %>
+      <tr>
+        <td><%= subscriber.id %></td>
+        <td><%= subscriber.email %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+<% if @pagy.pages > 1 %>
+  <div class="mt-6"><%== pagy_nav(@pagy) %></div>
+<% end %>

config/routes.rb

@@ -22,6 +22,7 @@
     resources :webhooks, only: %i[index]
     resources :feedbacks, only: %i[index]
     resources :users, only: %i[index]
+    resources :subscribers, only: %i[index]
   end
 
   namespace :api do

spec/controllers/admin/subscribers_controller_spec.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+describe Admin::SubscribersController do
+  describe 'GET#index' do
+    it_behaves_like 'required auth'
+    it_behaves_like 'required admin auth'
+
+    context 'for logged admins' do
+      sign_in_admin
+
+      context 'without subscribers' do
+        it 'renders index page' do
+          do_request
+
+          expect(response).to render_template :index
+        end
+      end
+
+      context 'with subscribers' do
+        before { create :subscriber }
+
+        it 'renders index page' do
+          do_request
+
+          expect(response).to render_template :index
+        end
+      end
+    end
+
+    def do_request
+      get :index
+    end
+  end
+end