Feature: Add Project Submissions With Hotwire

app/builders/tailwind_form_builder.rb

@@ -1,8 +1,14 @@
 class TailwindFormBuilder < ActionView::Helpers::FormBuilder
-  def text_field(attribute, options = {})
-    default_opts = { class: classes_for(attribute, options) }
+  def text_field(attribute, options = {}, &)
+    if options[:leading_icon]
+      default_opts = { class: "#{classes_for(attribute, options)} pl-10" }
 
-    text_layout(attribute) { super(attribute, options.merge(default_opts)) } + attribute_error_message(attribute)
+      text_layout(attribute) { leading_icon(&) + super(attribute, options.merge(default_opts)) }
+    else
+      default_opts = { class: classes_for(attribute, options) }
+
+      text_layout(attribute) { super(attribute, options.merge(default_opts)) }
+    end + attribute_error_message(attribute)
   end
 
   def email_field(attribute, options = {})
@@ -44,7 +50,7 @@ def classes_for(attribute, options)
   end
 
   def text_layout(attribute)
-    @template.content_tag :div, class: 'mt-1 relative rounded-md shadow-sm' do
+    @template.content_tag :div, class: 'mt-2 relative rounded-md shadow-sm' do
       yield + attribute_error_icon(attribute)
     end
   end
@@ -63,6 +69,10 @@ def attribute_error_icon(attribute)
     end
   end
 
+  def leading_icon(&)
+    @template.content_tag(:div, class: 'pointer-events-none absolute inset-y-0 left-0 flex items-center pl-3', &)
+  end
+
   def attribute_error_message(attribute)
     state = @object.errors[attribute].present? ? :visible : :hidden
 

app/components/application_component.rb

@@ -1,5 +1,6 @@
 class ApplicationComponent < ViewComponent::Base
   include Classy::Yaml::ComponentHelpers
+  include Turbo::FramesHelper
 
   private
 

app/components/modal_component.html.erb

@@ -0,0 +1,54 @@
+<%= turbo_frame_tag 'modal' do %>
+  <div
+    class="relative z-10"
+    aria-labelledby="modal-title"
+    role="dialog"
+    data-visibility-visible-value="true"
+    aria-modal="true"
+    data-controller="modal"
+    data-action="turbo:submit-end->modal#submitEnd keydown.esc->modal#close">
+
+    <div
+      class="fixed inset-0 bg-gray-500/75 dark:bg-black/70 transition-opacity"
+      data-modal-target="transitionable"
+      data-transition-enter="ease-out duration-300"
+      data-transition-enter-start="opacity-0"
+      data-transition-enter-end="opacity-100"
+      data-transition-leave="ease-in duration200"
+      data-transition-leave-start="opacity-100"
+      data-transition-leave-end="opacity-0">
+    </div>
+
+    <div class="fixed inset-0 z-10 overflow-y-auto">
+      <div class="flex min-h-full items-end justify-center p-4 text-center sm:items-center sm:p-0">
+
+        <div
+          class="relative transform overflow-hidden rounded-lg bg-white dark:bg-gray-800 px-4 pb-4 pt-5 text-left shadow-xl transition-all sm:my-8 sm:w-full sm:max-w-lg sm:p-6"
+          data-modal-target="transitionable"
+          data-transition-enter="ease-out duration-300"
+          data-transition-enter-start="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
+          data-transition-enter-end="opacity-100 translate-y-0 sm:scale-100"
+          data-transition-leave="ease-in duration-200"
+          data-transition-leave-start="opacity-100 translate-y-0 sm:scale-100"
+          data-transition-leave-end="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95">
+
+          <div class="absolute right-0 top-0 hidden pr-4 pt-4 sm:block">
+            <button type="button" data-action="click->visibility#off click->modal#close" class="rounded-md bg-white dark:bg-gray-800 text-gray-400 dark:text-gray-300 hover:text-gray-500 dark:hover:text-gray-400 focus:outline-none focus:ring-2 focus:ring-gold-500">
+              <span class="sr-only">Close</span>
+              <%= inline_svg_tag 'icons/x.svg', class: 'h-6 w-6', aria: true, title: 'close', desc: 'close button' %>
+            </button>
+          </div>
+
+          <div class="border-b border-gray-200 dark:border-gray-600 pb-5">
+            <h3 class="text-lg font-semibold leading-6 text-gray-900 dark:text-gray-300"><%= title %></h3>
+          </div>
+
+          <div class="flex">
+            <%= content %>
+          </div>
+
+        </div>
+      </div>
+    </div>
+  </div>
+<% end %>

app/components/modal_component.rb

@@ -0,0 +1,9 @@
+class ModalComponent < ApplicationComponent
+  def initialize(title:)
+    @title = title
+  end
+
+  private
+
+  attr_reader :title
+end

app/components/project_submissions/item_component.rb

@@ -4,6 +4,10 @@ def initialize(item:)
       @item = item
     end
 
+    def render?
+      item.present?
+    end
+
     private
 
     attr_reader :item

app/controllers/lessons/v2_project_submissions_controller.rb

@@ -4,15 +4,29 @@ class V2ProjectSubmissionsController < ApplicationController
     before_action :set_lesson
 
     def index
-      @pagy, @project_submissions = pagy(public_project_submissions, items: params.fetch(:limit, 15))
+      @current_user_submission = current_user.project_submissions.find_by(lesson: @lesson)
+      @pagy, @project_submissions = pagy(project_submissions_query.public_submissions, items: params.fetch(:limit, 15))
     end
 
-    private
+    def new
+      @project_submission = current_user.project_submissions.new(lesson: @lesson)
+    end
 
-    def public_project_submissions
-      project_submissions_query.public_submissions
+    def create
+      @project_submission = current_user.project_submissions.new(project_submission_params.merge(lesson: @lesson))
+
+      respond_to do |format|
+        if @project_submission.save
+          format.html { redirect_to lesson_path(@lesson), notice: 'Project submitted' }
+          format.turbo_stream
+        else
+          format.html { render :new, status: :unprocessable_entity }
+        end
+      end
     end
 
+    private
+
     def project_submissions_query
       @project_submissions_query ||= ::LessonProjectSubmissionsQuery.new(
         lesson: @lesson,
@@ -23,5 +37,14 @@ def project_submissions_query
     def set_lesson
       @lesson = Lesson.find(params[:lesson_id])
     end
+
+    def project_submission_params
+      params.require(:project_submission).permit(
+        :repo_url,
+        :live_preview_url,
+        :is_public,
+        :lesson_id
+      )
+    end
   end
 end

app/javascript/controllers/modal_controller.js

@@ -0,0 +1,34 @@
+/* eslint-disable class-methods-use-this */
+import { Controller } from '@hotwired/stimulus';
+import { enter, leave } from 'el-transition';
+
+export default class ModalController extends Controller {
+  static targets = ['transitionable'];
+
+  connect() {
+    this.lockScroll();
+    this.transitionableTargets.forEach((element) => enter(element));
+  }
+
+  close() {
+    Promise.all(this.transitionableTargets.map((element) => leave(element))).then(() => {
+      this.element.parentElement.removeAttribute('src');
+      this.element.remove();
+      this.unlockScroll();
+    });
+  }
+
+  submitEnd(event) {
+    if (event.detail.success) {
+      this.close();
+    }
+  }
+
+  lockScroll() {
+    document.body.classList.add('overflow-hidden', 'pr-4');
+  }
+
+  unlockScroll() {
+    document.body.classList.remove('overflow-hidden', 'pr-4');
+  }
+}

app/javascript/stylesheets/buttons.css

@@ -2,7 +2,7 @@
   .button {
     min-width: 100px;
     @apply inline-flex items-center px-6 justify-center py-3 border border-transparent
-     rounded-md shadow-sm text-white focus:outline-none
+    rounded-md shadow-sm text-white focus:outline-none
     focus:ring-2 focus:ring-offset-1 hover:text-white focus:text-white no-underline
     cursor-pointer dark:focus:ring-offset-black text-sm
   }
@@ -28,6 +28,12 @@
     dark:bg-gray-300 dark:hover:bg-gray-400 focus:text-gray-700 px-4 py-2 dark:hover:text-gray-900
   }
 
+  .button--white {
+    @apply bg-white rounded-md px-3 py-2 text-sm font-semibold text-gray-900 shadow-sm ring-1 ring-inset
+    ring-gray-300 hover:bg-gray-50 hover:text-gray-900
+    dark:bg-white/10  dark:text-white dark:hover:bg-white/20 dark:ring-transparent;
+  }
+
   .button--clear {
     @apply border-gray-300 text-gray-700 hover:text-gray-700 bg-white hover:bg-gray-50
     focus:ring-gray-400 focus:text-gray-700 dark:text-gray-300 dark:hover:bg-gray-700

app/models/project_submission.rb

@@ -15,7 +15,7 @@ class ProjectSubmission < ApplicationRecord
   validates :live_preview_url, url: true, allow_blank: true
   validate :live_preview_allowed
   validates :repo_url, presence: { message: 'Required' }
-  validates :user_id, uniqueness: { scope: :lesson_id }
+  validates :user_id, uniqueness: { scope: :lesson_id, message: 'You have already submitted a project for this lesson' }
 
   scope :only_public, -> { where(is_public: true) }
   scope :not_removed_by_admin, -> { where(discarded_at: nil) }

app/views/layouts/application.html.erb

@@ -36,6 +36,7 @@
     <%= render 'shared/navbar' %>
     <%= render 'shared/flash', flash: flash if flash.any? %>
 
+    <%= turbo_frame_tag 'modal' %>
     <%= yield %>
 
     <%= render 'shared/footer' %>

app/views/lessons/_project_submissions.html.erb

@@ -1,6 +1,6 @@
 <% if Feature.enabled?(:v2_project_submissions, current_user) %>
-  <%= turbo_frame_tag 'submissions-list', src: lesson_v2_project_submissions_path(lesson, limit: 10)  do %>
-    <div class="flex justify-center h-">
+  <%= turbo_frame_tag dom_id(@lesson, 'project-submissions'), src: lesson_v2_project_submissions_path(lesson, limit: 10)  do %>
+    <div class="flex justify-center">
       <%= inline_svg_tag 'icons/spinner.svg', class: 'animate-spin h-12 w-12 text-gray-400 dark:text-gray-300', aria: true, title: 'dismiss', desc: 'dismiss icon' %>
     </div>
   <% end %>

app/views/lessons/v2_project_submissions/_form.html.erb

@@ -0,0 +1,52 @@
+<%= turbo_frame_tag 'project_submission_form', class: 'w-full' do %>
+  <%= form_with url: lesson_v2_project_submissions_path(lesson.id), model: project_submission, builder: TailwindFormBuilder do |form| %>
+    <div class='divide-y divide-gray-200 dark:divide-gray-600 space-y-6'>
+      <div class="space-y-6 pt-4">
+        <div>
+          <%= form.label :repo_url, 'GitHub repository' %>
+          <%= form.text_field :repo_url, leading_icon: true, autofocus: true, class: 'text-sm', placeholder: 'http://github.com/user-name/repo-name', data: { test_id: 'repo-url-field' } do %>
+            <%= inline_svg_tag 'socials/github.svg', class: 'h-5 w-5 text-gray-400', aria: true, title: 'Project GitHub repository', desc: 'GitHub icon' %>
+          <% end %>
+        </div>
+
+        <div>
+          <%= form.label :live_preview_url, 'Live preview (optional)' %>
+          <%= form.text_field :live_preview_url, leading_icon: true, placeholder: 'http://example.com', class: 'text-sm', data: { test_id: 'live-preview-url-field' } do %>
+            <%= inline_svg_tag 'icons/link.svg', class: 'h-5 w-5 text-gray-400', aria: true, title: 'Project live preview', desc: 'Link icon' %>
+          <% end %>
+        </div>
+
+        <fieldset class="mt-2">
+          <legend class="text-sm font-medium leading-6 text-gray-900 dark:text-white">Privacy</legend>
+          <div class="mt-2 space-y-4">
+            <div class="relative flex items-start">
+              <div class="absolute flex h-6 items-center">
+                <%= form.radio_button :is_public, true, class: 'h-4 w-4 border-gray-300 dark:border-gray-500 dark:bg-gray-700/50 dark:checked:bg-gold-600 dark:checked:border-gold-600 dark:focus:ring-offset-gray-800 text-gold-600 focus:ring-gold-600' %>
+              </div>
+              <div class="pl-7 text-sm leading-6">
+                <%= form.label :is_public_true, 'Public to other learners', class: 'dark:text-gray-200' %>
+                <p class="text-gray-500 dark:text-gray-400">Anyone can see this project in the submissions list.</p>
+              </div>
+            </div>
+            <div>
+              <div class="relative flex items-start">
+                <div class="absolute flex h-6 items-center">
+                  <%= form.radio_button :is_public, false, class: 'h-4 w-4 border-gray-300 dark:border-gray-500 dark:bg-gray-700/50 dark:checked:bg-gold-600 dark:checked:border-gold-600 dark:focus:ring-offset-gray-800 text-gold-600 focus:ring-gold-600' %>
+                </div>
+                <div class="pl-7 text-sm leading-6">
+                  <%= form.label :is_public_false, 'Private to you' %>
+                  <p class="text-gray-500 dark:text-gray-400">Only you can see this project in the submissions list.</p>
+                </div>
+              </div>
+            </div>
+          </div>
+        </fieldset>
+      </div>
+
+      <div class="mt-5 sm:flex sm:flex-row-reverse pt-4">
+        <%= form.submit 'Save', class: 'cursor-pointer inline-flex w-full justify-center rounded-md button--primary px-5 py-2 text-sm font-semibold text-white shadow-sm sm:ml-3 sm:w-auto', data: { test_id: 'submit-btn' } %>
+        <button type="button" data-action="click->modal#close" class="button--white mt-3 inline-flex w-full justify-center sm:mt-0 sm:w-auto">Cancel</button>
+      </div>
+    </div>
+  <% end %>
+<% end %>

app/views/lessons/v2_project_submissions/create.turbo_stream.erb

@@ -0,0 +1,5 @@
+<%= turbo_stream.prepend "submissions-list" do %>
+  <%= render ProjectSubmissions::ItemComponent.new(item: @project_submission) %>
+<% end %>
+
+<%= turbo_stream.remove "add-submission-button" %>

app/views/lessons/v2_project_submissions/index.html.erb

@@ -8,7 +8,7 @@
     <% end %>
   </div>
 
-<%= turbo_frame_tag 'submissions-list' do %>
+<%= turbo_frame_tag dom_id(@lesson, 'project-submissions') do %>
   <div class="mb-8 text-left">
 
     <header class="flex flex-col space-y-6 justify-between items-center pb-8 text-center md:space-y-0 md:text-left md:flex-row">
@@ -18,11 +18,15 @@
           <%= @lesson.course.title %> : (<%= @lesson.title %>)
         </h4>
       </div>
+      <% if @current_user_submission.nil? %>
+        <%= link_to 'Add solution', new_lesson_v2_project_submission_path(@lesson), id: 'add-submission-button', class: 'button button--primary', data: { turbo_frame: 'modal', test_id: 'add_submission_btn' } %>
+      <% end %>
     </header>
 
-    <div data-test-id="submissions-list">
+    <%= turbo_frame_tag 'submissions-list', data: { test_id: 'submissions-list' } do %>
+      <%= render ProjectSubmissions::ItemComponent.new(item: @current_user_submission) %>
       <%= render ProjectSubmissions::ItemComponent.with_collection(@project_submissions) %>
-    </div>
+    <% end %>
   </div>
 <% end %>
 

app/views/lessons/v2_project_submissions/new.html.erb

@@ -0,0 +1,3 @@
+<%= render ModalComponent.new(title: 'Submit your project')  do %>
+  <%= render 'lessons/v2_project_submissions/form', lesson: @lesson, project_submission: @project_submission %>
+<% end %>

config/routes.rb

@@ -90,7 +90,7 @@
 
   resources :lessons, only: :show do
     resources :project_submissions, only: %i[index], controller: 'lessons/project_submissions'
-    resources :v2_project_submissions, only: %i[index], controller: 'lessons/v2_project_submissions'
+    resources :v2_project_submissions, only: %i[index new create], controller: 'lessons/v2_project_submissions'
     resource :completion, only: %i[create destroy], controller: 'lessons/completions'
   end
 

config/utility_classes.yml

@@ -1,6 +1,6 @@
 text_field:
-  base: "block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-gray-500 dark:focus:ring-2 dark:focus:border-transparent"
-  valid: "border-gray-300 focus:ring-blue-600 focus:border-blue-600"
+  base: "block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-2 dark:focus:border-transparent"
+  valid: "border-gray-300 focus:ring-blue-600 focus:border-blue-600 dark:focus:ring-blue-400"
   invalid: "pr-10 border-red-300 text-red-900 placeholder-red-300 focus:ring-red-500 focus:border-red-500"
 label:
   base: "block text-sm font-medium text-gray-700 dark:text-gray-200"

spec/builders/__snapshots__/tailwind_form_builder/email_field.snap

@@ -1 +1 @@
-<div class="mt-1 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-gray-500 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600" type="email" value="" name="user[email]" id="user_email" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>
+<div class="mt-2 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600 dark:focus:ring-blue-400" type="email" value="" name="user[email]" id="user_email" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>

spec/builders/__snapshots__/tailwind_form_builder/password_field.snap

@@ -1 +1 @@
-<div class="mt-1 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-gray-500 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600" type="password" name="user[password]" id="user_password" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>
+<div class="mt-2 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600 dark:focus:ring-blue-400" type="password" name="user[password]" id="user_password" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>

spec/builders/__snapshots__/tailwind_form_builder/text_area.snap

@@ -1,2 +1,2 @@
-<div class="mt-1 relative rounded-md shadow-sm"><textarea class="mt-1 block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-gray-500 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600" name="user[username]" id="user_username">
+<div class="mt-2 relative rounded-md shadow-sm"><textarea class="mt-1 block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600 dark:focus:ring-blue-400" name="user[username]" id="user_username">
 </textarea></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>

spec/builders/__snapshots__/tailwind_form_builder/text_field.snap

@@ -1 +1 @@
-<div class="mt-1 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-gray-500 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600" type="text" name="user[username]" id="user_username" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>
+<div class="mt-2 relative rounded-md shadow-sm"><input class="block w-full border rounded-md py-2 px-3 focus:outline-none dark:bg-gray-700/50 dark:border-gray-500 dark:text-gray-300 dark:placeholder-gray-400 dark:focus:ring-2 dark:focus:border-transparent border-gray-300 focus:ring-blue-600 focus:border-blue-600 dark:focus:ring-blue-400" type="text" name="user[username]" id="user_username" /></div><div class="mt-2 text-sm text-red-600 dark:text-red-500 hidden"></div>