Add Tailwind styled scaffold templates

.gitignore

@@ -11,4 +11,5 @@
 /node_modules
 .byebug_history
 *.gem
-.idea/
+.idea/
+**/tmp/

lib/generators/tailwindcss/scaffold/scaffold_generator.rb

@@ -0,0 +1,34 @@
+require 'rails/generators/erb/scaffold/scaffold_generator'
+require "rails/generators/resource_helpers"
+
+module Tailwindcss
+  module Generators
+    class ScaffoldGenerator < Erb::Generators::ScaffoldGenerator
+      include Rails::Generators::ResourceHelpers
+
+      source_root File.expand_path("../templates", __FILE__)
+
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
+
+      def create_root_folder
+        empty_directory File.join("app/views", controller_file_path)
+      end
+
+      def copy_view_files
+        available_views.each do |view|
+          formats.each do |format|
+            filename = filename_with_extensions(view, format)
+            template filename, File.join("app/views", controller_file_path, filename)
+          end
+        end
+
+        template "partial.html.erb", File.join("app/views", controller_file_path, "_#{singular_table_name}.html.erb")
+      end
+
+      private
+        def available_views
+          %w(index edit show new _form)
+        end
+    end
+  end
+end

lib/generators/tailwindcss/scaffold/templates/_form.html.erb.tt

@@ -0,0 +1,43 @@
+<%%= form_with(model: <%= model_resource_name %>, class: "contents") do |form| %>
+  <%% if <%= singular_table_name %>.errors.any? %>
+    <div id="error_explanation" class="bg-red-50 text-red-500 px-3 py-2 font-medium rounded-lg mt-3">
+      <h2><%%= pluralize(<%= singular_table_name %>.errors.count, "error") %> prohibited this <%= singular_table_name %> from being saved:</h2>
+
+      <ul>
+        <%% <%= singular_table_name %>.errors.each do |error| %>
+          <li><%%= error.full_message %></li>
+        <%% end %>
+      </ul>
+    </div>
+  <%% end %>
+
+<% attributes.each do |attribute| -%>
+  <div class="my-5">
+<% if attribute.password_digest? -%>
+    <%%= form.label :password %>
+    <%%= form.password_field :password %>
+</div>
+
+<div class="my-5">
+    <%%= form.label :password_confirmation %>
+    <%%= form.password_field :password_confirmation, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+<% elsif attribute.attachments? -%>
+    <%%= form.label :<%= attribute.column_name %> %>
+    <%%= form.<%= attribute.field_type %> :<%= attribute.column_name %>, multiple: true, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+<% else -%>
+    <%%= form.label :<%= attribute.column_name %> %>
+<% if attribute.field_type == :text_area -%>
+    <%%= form.<%= attribute.field_type %> :<%= attribute.column_name %>, rows: 4, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+<% elsif attribute.field_type == :check_box -%>
+    <%%= form.<%= attribute.field_type %> :<%= attribute.column_name %>, class: "block mt-2 h-5 w-5" %>
+<% else -%>
+    <%%= form.<%= attribute.field_type %> :<%= attribute.column_name %>, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+<% end -%>
+<% end -%>
+  </div>
+
+<% end -%>
+  <div class="inline">
+    <%%= form.submit class: "rounded-lg py-3 px-5 bg-blue-600 text-white inline-block font-medium" %>
+  </div>
+<%% end %>

lib/generators/tailwindcss/scaffold/templates/edit.html.erb.tt

@@ -0,0 +1,8 @@
+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="font-bold text-4xl">Editing <%= human_name.downcase %></h1>
+
+  <%%= render "form", <%= singular_table_name %>: @<%= singular_table_name %> %>
+
+  <%%= link_to "Show this <%= human_name.downcase %>", @<%= singular_table_name %>, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  <%%= link_to "Back to <%= human_name.pluralize.downcase %>", <%= index_helper %>_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

lib/generators/tailwindcss/scaffold/templates/index.html.erb.tt

@@ -0,0 +1,14 @@
+<div class="w-full">
+  <%% if notice.present? %>
+    <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%%= notice %></p>
+  <%% end %>
+
+  <div class="flex justify-between items-center">
+    <h1 class="text-lg font-bold text-4xl"><%= human_name.pluralize %></h1>
+    <%%= link_to 'New <%= human_name.downcase %>', new_<%= singular_route_name %>_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
+  </div>
+
+  <div id="<%= plural_table_name %>" class="min-w-full">
+    <%%= render @<%= plural_table_name %> %>
+  </div>
+</div>

lib/generators/tailwindcss/scaffold/templates/new.html.erb.tt

@@ -0,0 +1,7 @@
+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="text-lg font-bold text-4xl">New <%= human_name.downcase %></h1>
+
+  <%%= render "form", <%= singular_table_name %>: @<%= singular_table_name %> %>
+
+  <%%= link_to 'Back to <%= human_name.pluralize.downcase %>', <%= index_helper %>_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

lib/generators/tailwindcss/scaffold/templates/partial.html.erb.tt

@@ -0,0 +1,22 @@
+<div id="<%%= dom_id <%= singular_table_name %> %>">
+<% attributes.reject(&:password_digest?).each do |attribute| -%>
+  <p class="my-5">
+    <strong class="block font-medium mb-1"><%= attribute.human_name %>:</strong>
+<% if attribute.attachment? -%>
+    <%%= link_to <%= singular_table_name %>.<%= attribute.column_name %>.filename, <%= singular_table_name %>.<%= attribute.column_name %> if <%= singular_table_name %>.<%= attribute.column_name %>.attached? %>
+<% elsif attribute.attachments? -%>
+    <%% <%= singular_table_name %>.<%= attribute.column_name %>.each do |<%= attribute.singular_name %>| %>
+      <div><%%= link_to <%= attribute.singular_name %>.filename, <%= attribute.singular_name %> %></div>
+    <%% end %>
+<% else -%>
+    <%%= <%= singular_table_name %>.<%= attribute.column_name %> %>
+<% end -%>
+  </p>
+
+<% end -%>
+  <%% if action_name != "show" %>
+    <%%= link_to "Show this <%= human_name.downcase %>", <%= singular_table_name %>, class: "rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <%%= link_to 'Edit this <%= human_name.downcase %>', edit_<%= singular_table_name %>_path(<%= singular_table_name %>), class: "rounded-lg py-3 ml-2 px-5 bg-gray-100 inline-block font-medium" %>
+    <hr class="mt-6">
+  <%% end %>
+</div>

lib/generators/tailwindcss/scaffold/templates/show.html.erb.tt

@@ -0,0 +1,15 @@
+<div class="mx-auto md:w-2/3 w-full flex">
+  <div class="mx-auto">
+    <%% if notice.present? %>
+      <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%%= notice %></p>
+    <%% end %>
+
+    <%%= render @<%= singular_table_name %> %>
+
+    <%%= link_to 'Edit this <%= singular_table_name %>', edit_<%= singular_table_name %>_path(@<%= singular_table_name %>), class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <div class="inline-block ml-2">
+      <%%= button_to 'Delete this <%= singular_table_name %>', <%= singular_table_name %>_path(@<%= singular_table_name %>), method: :delete, data: { confirm: "Are you sure you want to delete this <%= singular_table_name %>?" }, class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 font-medium" %>
+    </div>
+    <%%= link_to 'Back to <%= plural_table_name %>', <%= index_helper %>_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  </div>
+</div>

lib/install/tailwindcss.rb

@@ -1,11 +1,13 @@
 APPLICATION_LAYOUT_PATH = Rails.root.join("app/views/layouts/application.html.erb")
 
 if APPLICATION_LAYOUT_PATH.exist?
-  say "Add Tailwindcss include tags in application layout"
+  say "Add Tailwindcss include tags and container element in application layout"
   insert_into_file APPLICATION_LAYOUT_PATH.to_s, <<~ERB.indent(4), before: /^\s*<%= stylesheet_link_tag/
     <%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %>
     <%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %>
   ERB
+  insert_into_file APPLICATION_LAYOUT_PATH.to_s, %(    <main class="container mx-auto mt-28 px-5 flex">\n  ), before: /^\s*<%= yield/
+  insert_into_file APPLICATION_LAYOUT_PATH.to_s, %(\n    </main>),  after: /^\s*<%= yield %>/
 else
   say "Default application.html.erb is missing!", :red
   say %(        Add <%= stylesheet_link_tag "inter-font", "data-turbo-track": "reload" %> and <%= stylesheet_link_tag "tailwind", "data-turbo-track": "reload" %> within the <head> tag in your custom layout.)

lib/tailwindcss/engine.rb

@@ -19,5 +19,9 @@ class Engine < ::Rails::Engine
         env.cache = ActiveSupport::Cache.lookup_store(:null_store)
       end if Rails.env.production?
     end
+
+     config.app_generators do |g|
+       g.template_engine :tailwindcss
+     end
   end
 end

test/lib/generators/tailwindcss/scaffold_generator_test.rb

@@ -0,0 +1,21 @@
+require "test_helper"
+require "generators/tailwindcss/scaffold/scaffold_generator"
+
+class Tailwindcss::Generators::ScaffoldGeneratorTest < Rails::Generators::TestCase
+  GENERATION_PATH = File.expand_path("../tmp", File.dirname(__FILE__))
+
+  tests Tailwindcss::Generators::ScaffoldGenerator
+  destination GENERATION_PATH
+
+  arguments %w(message title:string content:text)
+
+  Minitest.after_run do
+    FileUtils.rm_rf GENERATION_PATH
+  end
+
+  test "generates correct view templates" do
+    run_generator
+
+    %w(index edit new show _form _message).each { |view| assert_file "app/views/messages/#{view}.html.erb" }
+  end
+end

test/test_helper.rb

@@ -7,5 +7,5 @@
 require_relative "../lib/tailwindcss-rails"
 
 require "rails/test_unit/reporter"
-Rails::TestUnitReporter.executable = 'bin/test'
+Rails::TestUnitReporter.executable = "bin/test"