Display provider num for region, disable changing file prefix #444

Author: dmitrytrager

app/controllers/regions_controller.rb

@@ -4,7 +4,11 @@ class RegionsController < ApplicationController
 
   # GET /regions
   def index
-    @regions = Region.all
+    @regions = Region
+      .left_joins(:providers)
+      .select("regions.*, COUNT(providers.id) AS providers_count")
+      .group("regions.id")
+      .order(:name)
   end
 
   # GET /regions/1

app/views/providers/_form.html.erb

@@ -25,12 +25,12 @@
     </div>
   </div>
 
-  <div class="col-md-4">
+  <!--div class="col-md-4">
     <div class="form-group">
       <%= form.label :file_name_prefix, style: "display: block" %>
       <%= form.text_field :file_name_prefix, id: "basicInput", class: "form-control" %>
     </div>
-  </div>
+  </div-->
 
   <div class="col-md-4">
     <div class="form-group">

app/views/regions/index.html.erb

@@ -26,7 +26,7 @@
                 <% @regions.each do |region| %>
                   <tr>
                     <td class="text-bold-500"><%= region.name %></td>
-                    <td>1</td>
+                    <td><%= region.providers_count %></td>
                     <td class="text-end">
                       <%= link_to region, class: "btn btn-primary btn-sm" do %>
                         <i class="bi bi-search"></i> View

spec/factories/regions.rb

@@ -10,5 +10,9 @@
 FactoryBot.define do
   factory :region do
     name { Faker::Address.state }
+
+    transient do
+      providers_count { 0 }
+    end
   end
 end

spec/views/regions/index.html.erb_spec.rb

@@ -1,8 +1,13 @@
 require "rails_helper"
 
 RSpec.describe "regions/index", type: :view do
+  let!(:regions) { [ create(:region, name: "Region 1"), create(:region, name: "Region 2") ] }
   before(:each) do
-    assign(:regions, [ create(:region, name: "Region 1"), create(:region, name: "Region 2") ])
+    assign :regions, Region
+      .left_joins(:providers)
+      .select("regions.*, COUNT(providers.id) AS providers_count")
+      .group("regions.id")
+      .order(:name)
   end
 
   it "renders a list of regions" do