Update include:

  - Add a section that lists the currently available learning materials for people who do not want to view the cards listed above
  - Add validations in the learning materials model for the title, description and link
  - Refactor error message localization in LearningMaterial model to improve code maintainability

app/models/learning_material.rb

@@ -7,4 +7,9 @@ class LearningMaterial < ApplicationRecord
 
   # Enum
   enum tag: { beginners: 0, intermediates: 1, experts: 2 }
+
+  # Validations
+  validates :tag, :learning_material_title, :learning_material_description, :learning_material_link, presence: true
+  validates :learning_material_link,
+            format: { with: URI::DEFAULT_PARSER.make_regexp(%w[http https]), message: :invalid_url }
 end

app/views/learning_materials/index.html.erb

@@ -77,4 +77,18 @@
       </div>
     <% end %>
   </div>
+
+  <div class="pb-20 pt-20">
+    <h2 style="color: #D0021B;" class="text-2xl sm:text-3xl md:text-4xl lg:text-5xl xl:text-6xl font-bold text-left">If you may not want the view above, here is a list of the same details shown above.</h2>
+  </div>
+
+<ol type="1" start="1" class="max-w-md space-y-1 text-gray-500 dark:text-gray-400" style="list-style-type: decimal; padding-left: 20px;">
+  <% @learningmaterials.each do |learningmaterial| %>
+    <li class="py-2">
+      <span class="py-1 text-sm sm:text-base md:text-lg lg:text-xl xl:text-2xl font-regular mr-1">
+        <%= link_to learningmaterial.learning_material_title, learningmaterial.learning_material_link, class: "learningmaterialslink ml-1", target: "_blank", style: "color: #D0021B;" %> <span> - <%= learningmaterial.learning_material_description %> </span>
+      </span>
+    </li>
+  <% end %>
+</ol>
 </section>

config/locales/en.yml

@@ -29,4 +29,8 @@ en:
     destroy:
       success: 'Project was successfully destroyed.'
 
+  errors:
+    messages:
+      invalid_url: "must be a valid URL"
+