leaderboard

app/controllers/notes_controller.rb

@@ -1,5 +1,5 @@
 class NotesController < ApplicationController
-  before_action :authenticate_user!
+  before_action :authenticate_user!, except: [ :leaderboard ]
   before_action :set_note, only: [ :edit, :update, :destroy ]
 
   def index
@@ -50,6 +50,10 @@ def destroy
     redirect_to notes_path, notice: "Note deleted successfully."
   end
 
+  def leaderboard
+    @leaderboard = User.leaderboard(10)
+  end
+
   private
 
   def set_note

app/models/user.rb

@@ -15,6 +15,16 @@ def subscribed?
     subscriptions.where(status: "active").any?
   end
 
+  def self.leaderboard(limit = 10)
+    self.left_joins(:notes)
+        .group(:id)
+        .order("COUNT(notes.id) DESC")
+        .select("users.id, users.username, COUNT(notes.id) AS score")
+        .where("notes.archived = true AND notes.completed = true")
+        .where(public: true)
+        .limit(limit)
+  end
+
   private
 
   def send_welcome_email

app/views/notes/leaderboard.html.erb

@@ -0,0 +1,21 @@
+<div class="my-container bg-gray-100 p-4 shadow-lg border-4 border-black">
+  <h2 class="text-3xl font-bold mb-4">Leaderboard</h2>
+  <table class="w-full table-auto border-collapse border border-black">
+    <thead class="bg-black text-white">
+      <tr>
+        <th class="p-2 border border-black">Rank</th>
+        <th class="p-2 border border-black">User</th>
+        <th class="p-2 border border-black">Score</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @leaderboard.each_with_index do |user, index| %>
+        <tr class="<%= cycle('bg-gray-200', 'bg-gray-50') %>">
+          <td class="p-2 border border-black"><%= index + 1 %></td>
+          <td class="p-2 border border-black"><%= user.username %></td>
+          <td class="p-2 border border-black"><%= user.score %></td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+</div>

config/routes.rb

@@ -19,6 +19,8 @@
     end
   end
 
+  get "leaderboard", to: "notes#leaderboard"
+
   # Stripe
   scope controller: :static do
     get :pricing