Add Search UI

app/controllers/search_controller.rb

@@ -0,0 +1,5 @@
+class SearchController < ApplicationController
+  def index
+    @results = Elasticsearch.search(params[:query])
+  end
+end

app/views/layouts/application.html.erb

@@ -14,6 +14,7 @@
     <nav style="font-size: 1.5rem;">
       <%= link_to "Posts", posts_path %>
       <%= link_to "Links", links_path %>
+      <%= link_to "Search", search_path %>
     </nav>
     <%= yield %>
   </body>

app/views/search/index.html.erb

@@ -0,0 +1,16 @@
+<h1>Search</h1>
+
+<%= form_with url: search_path, method: :get do |form| %>
+  <%= form.label :query %>
+  <%= form.text_field :query, value: params[:query], autofocus: true %>
+  <%= form.submit "Search" %>
+<% end %>
+
+<% if @results.present? %>
+  <h2>Results</h2>
+  <ul>
+    <% @results.each do |result| %>
+      <li><%= link_to result.title, result %></li>
+    <% end %>
+  </ul>
+<% end %>

config/routes.rb

@@ -1,7 +1,8 @@
 Rails.application.routes.draw do
   resources :links
   resources :posts
-  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+
+  get "search" => "search#index", as: :search
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
   # Can be used by load balancers and uptime monitors to verify that the app is live.