global search

app/controllers/dashboard_controller.rb

@@ -1,7 +1,33 @@
 class DashboardController < ApplicationController
+  SEARCHABLE_MODEL_ATTRIBUTES = {
+    "Post" => ["title", "description"],
+    "Tag" => ["name"],
+    "User" => ["first_name", "last_name", "email"]
+    # "User" => ["first_name", "last_name"]
+  }
+
   def index
-    @posts = Post.all
-    @tags = Tag.all
-    @users = User.all
+    # @posts = Post.all
+    # @tags = Tag.all
+    # @users = User.all
+
+    # if params[:query].present?
+    #   @tags = Tag.where("name ILIKE ?", "%#{params[:query]}%")
+    #   @posts = Post.where("title ILIKE ? OR description ILIKE ?", "%#{params[:query]}%", "%#{params[:query]}%")
+    #   @users = User.where("first_name ILIKE ? OR last_name ILIKE ? OR email ILIKE ?", "%#{params[:query]}%", "%#{params[:query]}%", "%#{params[:query]}%")
+    # else
+    #   @posts = []
+    #   @tags = []
+    #   @users = []
+    # end
+
+    @search_results = {}
+
+    if params[:query].present?
+      SEARCHABLE_MODEL_ATTRIBUTES.each do |model_name, searchable_fields|
+        model_results = model_name.constantize.where(searchable_fields.map { |field| "#{field} ILIKE :query" }.join(" OR "), query: "%#{params[:query]}%")
+        @search_results[model_name] = model_results
+      end
+    end
   end
 end

app/views/dashboard/index.html.erb

@@ -1,29 +1,25 @@
-<div>
-  <h2>
-    Posts
-    <%= @posts.count %>
-  </h2>
-  <% @posts.each do |post| %>
-    <%= render 'posts/post', post: %>
-  <% end %>
-</div>
+<%= link_to 'Reset search', dashboard_path if params[:query].present? %>
+<%= form_with url: dashboard_path, method: :get do |form| %>
+  <%= form.search_field :query, value: params[:query], autofocus: true, placeholder: "Search anything" %>
+  <%= form.submit "Search" %>
+<% end %>
 
-<div>
-  <h2>
-    Tags
-    <%= @tags.count %>
-  </h2>
-  <% @tags.each do |tag| %>
-    <%= render 'tags/tag', tag: %>
-  <% end %>
-</div>
-
-<div>
-  <h2>
-    Users
-    <%= @users.count %>
-  </h2>
-  <% @users.each do |user| %>
-    <%= render 'users/user', user: %>
-  <% end %>
-</div>
+<%#= @search_results %>
+<% DashboardController::SEARCHABLE_MODEL_ATTRIBUTES.each do |model_name, searchable_fields| %>
+  <%#= model_name %>
+  <%#= searchable_fields %>
+  <% results = @search_results[model_name] %>
+  <div>
+    <h2>
+      <%= model_name %>
+      <%= results.count %>
+    </h2>
+    <% results.each do |result| %>
+      <%# searchable_fields.each do |field| %>
+        <%#= highlight result[field], params[:query] %>
+      <%# end %>
+      <%#= result.id %>
+      <%= render "#{model_name.downcase.pluralize}/#{model_name.downcase}", model_name.downcase.to_sym => result %>
+    <% end %>
+  </div>
+<% end %>

app/views/posts/_post.html.erb

@@ -1,5 +1,5 @@
 <div>
-  <%= post.title %>
+  <%= highlight post.title, params.dig(:query) %>
   <br>
-  <%= post.description %>
+  <%= highlight post.description, params.dig(:query) %>
 </div>

app/views/tags/_tag.html.erb

@@ -1,3 +1,3 @@
 <div>
-  <%= tag.name %>
+  <%= highlight tag.name, params.dig(:query) %>
 </div>

app/views/users/_user.html.erb

@@ -1,6 +1,6 @@
 <div>
-  <%= user.first_name %>
-  <%= user.last_name %>
-  <%= user.email %>
+  <%= highlight user.first_name, params.dig(:query) %>
+  <%= highlight user.last_name, params.dig(:query) %>
+  <%= highlight user.email, params.dig(:query) %>
   <%= user.social_security_number %>
 </div>