Add a Bootstrap layout to the CRUD add-on

.template/addons/bootstrap/application.scss.rb

@@ -2,6 +2,6 @@
 
 insert_into_file 'app/assets/stylesheets/application.scss', after: %r{// Dependencies\n} do
   <<~SCSS
-    @import './vendor';
+    @import 'vendor';
   SCSS
 end

.template/addons/bootstrap/stylesheets/vendor/index.scss

@@ -1 +1 @@
-@import './bootstrap';
+@import 'bootstrap';

.template/addons/crud/app/assets/stylesheets/layouts/_application.scss

@@ -0,0 +1,93 @@
+body {
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+}
+
+.app {
+  display: flex;
+  flex-direction: row;
+  flex-grow: 1;
+
+  &__container {
+    display: flex;
+    flex-direction: column;
+    flex-grow: 1;
+    justify-content: space-between;
+  }
+
+  &__main {
+    padding: rem(16px);
+    margin: rem(16px);
+  }
+
+  &__footer {
+    grid-area: footer;
+    padding: rem(8px);
+  }
+
+  &__nav-bar-top {
+    grid-area: navBar;
+    border-bottom: solid var(--bs-border-width) var(--bs-gray-400);
+  }
+
+  &__side-bar {
+    grid-area: sideBar;
+    display: flex;
+    flex-flow: column;
+    padding: rem(32px);
+    background-color: var(--bs-light);
+    width: rem(280px);
+    height: 100%;
+
+    .dropdown-toggle {
+      outline: 0;
+    }
+
+    .btn-toggle {
+      padding: 0.25rem 0.5rem;
+      font-weight: 600;
+      color: var(--bs-emphasis-color);
+      background-color: transparent;
+
+      &:hover,
+      &:focus {
+        color: rgba(var(--bs-emphasis-color-rgb), 0.85);
+        background-color: var(--bs-tertiary-bg);
+      }
+
+      &::before {
+        width: 1.25em;
+        line-height: 0;
+        content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%280,0,0,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
+        transition: transform 0.35s ease;
+        transform-origin: 0.5em 50%;
+      }
+    }
+
+    [data-bs-theme="dark"] .btn-toggle::before {
+      content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
+    }
+
+    .btn-toggle[aria-expanded="true"] {
+      color: rgba(var(--bs-emphasis-color-rgb), 0.85);
+    }
+    .btn-toggle[aria-expanded="true"]::before {
+      transform: rotate(90deg);
+    }
+
+    .btn-toggle-nav a {
+      padding: 0.1875rem 0.5rem;
+      margin-top: 0.125rem;
+      margin-left: 1.25rem;
+    }
+    .btn-toggle-nav a:hover,
+    .btn-toggle-nav a:focus {
+      background-color: var(--bs-tertiary-bg);
+    }
+
+    .scrollarea {
+      overflow-y: auto;
+    }
+  }
+}

.template/addons/crud/app/assets/stylesheets/layouts/index.scss

@@ -0,0 +1 @@
+@import "application";

.template/addons/crud/app/views/layouts/application.html.slim.tt

@@ -0,0 +1,25 @@
+doctype html
+html lang=I18n.locale
+  head
+    meta charset="utf-8"
+    meta name="viewport" content="width=device-width, initial-scale=1.0"
+    title= content_for?(:title) ? yield(:title) : '<%= app_name %>'
+    = csrf_meta_tags
+    = csp_meta_tag
+    = stylesheet_link_tag 'application', :media => 'all'
+    = javascript_include_tag 'application'
+
+  body class=class_names(controller_name.dasherize, action_name.dasherize)
+    header
+      = render('layouts/application/nav_bar_top')
+    .app
+      .side-bar
+        = render('layouts/application/side_bar')
+      .app__container
+        main.app__main
+          = yield
+        footer.app__footer
+            p.text-center.text-muted
+              | &copy;
+              = ' <%= app_name %>'
+              = Date.today.year

.template/addons/crud/app/views/layouts/application/_nav_bar_top.html.slim

@@ -0,0 +1,33 @@
+.app__nav-bar-top
+  nav.navbar.navbar-expand-lg.navbar-light.bg-light
+    .container-fluid
+      a.navbar-brand[href="#"]
+        | NavbarTop
+      button.navbar-toggler[type="button" data-bs-toggle="collapse" data-bs-target="#top_navbar_nav" aria-controls="top_navbar_nav" aria-expanded="false" aria-label="Toggle navigation"]
+        span.navbar-toggler-icon
+      #top_navbar_nav.collapse.navbar-collapse
+        ul.navbar-nav.me-auto.mb-2.mb-lg-0
+          li.nav-item
+            a.nav-link.active[aria-current="page" href="#"]
+              | Home
+          li.nav-item
+            a.nav-link[href="#"]
+              | Link
+          li.nav-item
+            a.nav-link.disabled[href="#" tabindex="-1" aria-disabled="true"]
+              | Disabled
+          li.nav-item.dropdown
+            a#dropdown09.nav-link.dropdown-toggle[href="#" data-bs-toggle="dropdown" aria-expanded="false"]
+              | Account
+            ul.dropdown-menu[aria-labelledby="dropdown09"]
+              li
+                a.dropdown-item[href="#"]
+                  | Profile
+              li
+                a.dropdown-item[href="#"]
+                  | Settings
+              li
+                a.dropdown-item[href="#"]
+                  | Logout
+        form
+          input.form-control[type="text" placeholder="Search" aria-label="Search"]

.template/addons/crud/app/views/layouts/application/_side_bar.html.slim

@@ -0,0 +1,74 @@
+.app__side-bar
+  a.d-flex.align-items-center.mb-3.mb-md-0.me-md-auto.link-dark.text-decoration-none[href="/"]
+    svg.bi.pe-none.me-2[width="40" height="32"]
+      use[xlink:href="#bootstrap"]
+    span.fs-4
+      | Sidebar
+  hr
+  ul.list-unstyled.ps-0
+    li.mb-1
+      button.btn.btn-toggle.d-inline-flex.align-items-center.rounded.border-0.collapsed[data-bs-toggle="collapse" data-bs-target="#home-collapse" aria-expanded="false"]
+        |  Home
+      #home-collapse.collapse[style=""]
+        ul.btn-toggle-nav.list-unstyled.fw-normal.pb-1.small
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Overview
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Updates
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Reports
+    li.mb-1
+      button.btn.btn-toggle.d-inline-flex.align-items-center.rounded.border-0.collapsed[data-bs-toggle="collapse" data-bs-target="#dashboard-collapse" aria-expanded="false"]
+        |  Dashboard
+      #dashboard-collapse.collapse[style=""]
+        ul.btn-toggle-nav.list-unstyled.fw-normal.pb-1.small
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Overview
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Weekly
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Monthly
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Annually
+    li.mb-1
+      button.btn.btn-toggle.d-inline-flex.align-items-center.rounded.border-0.collapsed[data-bs-toggle="collapse" data-bs-target="#orders-collapse" aria-expanded="false"]
+        |  Orders
+      #orders-collapse.collapse[style=""]
+        ul.btn-toggle-nav.list-unstyled.fw-normal.pb-1.small
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | New
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Processed
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Shipped
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Returned
+    li.border-top.my-3
+    li.mb-1
+      button.btn.btn-toggle.d-inline-flex.align-items-center.rounded.border-0.collapsed[data-bs-toggle="collapse" data-bs-target="#account-collapse" aria-expanded="false"]
+        |  Account
+      #account-collapse.collapse
+        ul.btn-toggle-nav.list-unstyled.fw-normal.pb-1.small
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | New...
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Profile
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Settings
+          li
+            a.link-body-emphasis.d-inline-flex.text-decoration-none.rounded[href="#"]
+              | Sign out

.template/addons/crud/template.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+use_source_path __dir__
+
+remove_file 'app/views/layouts/application.html.erb'
+directory 'app/views/layouts/application'
+template 'app/views/layouts/application.html.slim.tt'
+
+# SCSS Layout
+directory 'app/assets/stylesheets/layouts'
+insert_into_file 'app/assets/stylesheets/application.scss', after: %r{// Layouts\n} do
+  <<~SCSS
+    @import 'layouts';
+  SCSS
+end

.template/spec/addons/variants/web/bootstrap/application_scss_spec.rb

@@ -4,6 +4,6 @@
   subject { file('app/assets/stylesheets/application.scss') }
 
   it 'imports vendor stylesheets' do
-    expect(subject).to contain("@import './vendor';")
+    expect(subject).to contain("@import 'vendor';")
   end
 end

.template/spec/addons/variants/web/crud/application_layout_slim_spec.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+describe 'CRUD Addon - application layout' do
+  it 'attaches the current locale to the html tag' do
+    expect(file('app/views/layouts/application.html.slim')).to contain('html lang=I18n.locale')
+  end
+
+  it 'loads the stylesheet entry file in the layout' do
+    expect(file('app/views/layouts/application.html.slim')).to contain("javascript_include_tag 'application'")
+  end
+
+  it 'loads the javascript entry file in the layout' do
+    expect(file('app/views/layouts/application.html.slim')).to contain("stylesheet_link_tag 'application'")
+  end
+end

.template/spec/addons/variants/web/crud/application_scss_spec.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+describe 'CRUD Addon - application.scss' do
+  subject { file('app/assets/stylesheets/application.scss') }
+
+  it 'imports layouts stylesheets' do
+    expect(subject).to contain("@import 'layouts';")
+  end
+end

.template/spec/addons/variants/web/crud/template_spec.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+describe 'CRUD addon - template' do
+  it 'creates app/assets/stylesheets/layouts/index.scss' do
+    expect(file('app/assets/stylesheets/layouts/index.scss')).to exist
+  end
+
+  it 'removes app/views/layouts/application.html.erb' do
+    expect(file('app/views/layouts/application.html.erb')).not_to exist
+  end
+
+  it 'creates javascript/vendor/index.js' do
+    expect(file('app/javascript/vendor/index.js')).to exist
+  end
+
+  it 'creates app/views/layouts/application.html.slim' do
+    expect(file('app/views/layouts/application.html.slim')).to exist
+  end
+end

.template/spec/variants/web/app/template_spec.rb

@@ -21,10 +21,6 @@
         expect(file('app/javascript/application.js')).to exist
       end
 
-      it 'loads the javascript entry file in the layout' do
-        expect(file('app/views/layouts/application.html.erb')).to contain('<%= javascript_include_tag "application"')
-      end
-
       it 'imports necessary modules' do
         expect(file('app/javascript/application.js')).to contain('import \'./translations/translations\';')
 
@@ -103,9 +99,5 @@
     it 'includes the localization concern in the application controller' do
       expect(file('app/controllers/application_controller.rb')).to contain('include Localization')
     end
-
-    it 'modifies the html tag to attach the current locale' do
-      expect(file('app/views/layouts/application.html.erb')).to contain("<html lang='<%= I18n.locale %>'>")
-    end
   end
 end

.template/variants/web/app/assets/stylesheets/application.scss

@@ -1,10 +1,10 @@
 // Variables
-@import './variables';
+@import 'variables';
 
 // Dependencies
 
 // Functions
-@import './functions';
+@import 'functions';
 
 // Mixins
 

.template/variants/web/app/assets/stylesheets/functions/index.scss

@@ -1 +1 @@
-@import './sizing';
+@import 'sizing';

.template/variants/web/app/template.rb

@@ -3,13 +3,22 @@
 # Javascript
 directory 'app/javascript'
 
-if File.exist?('app/views/layouts/application.html.erb')
-  insert_into_file 'app/views/layouts/application.html.erb', before: %r{</head>} do
+erb_layout_file = 'app/views/layouts/application.html.erb'
+slim_layout_file = 'app/views/layouts/application.html.slim'
+
+erb_layout_exists = File.exist?(erb_layout_file)
+slim_layout_exists = File.exist?(slim_layout_file)
+layout_not_found = !erb_layout_exists && !slim_layout_exists
+
+if erb_layout_exists
+  insert_into_file erb_layout_file, before: %r{</head>} do
     <<~ERB.indent(2)
       <%= javascript_include_tag "application", "data-turbo-track": "reload", defer: true %>
     ERB
   end
-else
+end
+
+if layout_not_found
   @template_errors.add <<~ERROR
     Cannot include javascript into `app/views/layouts/application.html.erb`
     Content: <%= javascript_include_tag "application", "data-turbo-track": "reload", defer: true %>
@@ -33,11 +42,13 @@
   RUBY
 end
 
-if File.exist?('app/views/layouts/application.html.erb')
-  gsub_file 'app/views/layouts/application.html.erb', /<html>/ do
+if erb_layout_exists
+  gsub_file erb_layout_file, /<html>/ do
     "<html lang='<%= I18n.locale %>'>"
   end
-else
+end
+
+if layout_not_found
   @template_errors.add <<~ERROR
     Cannot insert the lang attribute into html tag into `app/views/layouts/application.html.erb`
     Content: <html lang='<%= I18n.locale %>'>