list puzzles on index page

Author: rishijain

app/models/puzzle.rb

@@ -1,4 +1,5 @@
 class Puzzle < ApplicationRecord
   enum :answer, ruby: 0, rails: 1
+  enum :state, { approved: 0, rejected: 1, pending: 2 }
   has_many :answers
 end

app/views/puzzles/index.html.erb

@@ -1,7 +1,26 @@
 <% if session[:user_token] %>
   <%= link_to 'Logout', session_path(1), data: { turbo_method: :delete } %>
   <h1>Puzzles#index</h1>
-  <p>Find me in app/views/puzzles/index.html.erb</p>
+  <table>
+    <thead>
+      <tr>
+        <th>Question</th>
+        <th>Answer</th>
+        <th>Explanation</th>
+        <th>Link</th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @puzzles.each do |puzzle| %>
+        <tr>
+          <td><%= puzzle.question %></td>
+          <td><%= puzzle.answer %></td>
+          <td><%= puzzle.explanation %></td>
+          <td><%= link_to 'View', puzzle.link, target: '_blank' if puzzle.link.present? %></td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
 <% else %>
   <%= link_to 'Login with Google', '/auth/google_oauth2' %>
 <% end %>

db/migrate/20250602162712_add_state_to_puzzles.rb

@@ -0,0 +1,5 @@
+class AddStateToPuzzles < ActiveRecord::Migration[8.0]
+  def change
+    add_column :puzzles, :state, :integer, default: 2, null: false
+  end
+end