Add delete functionality

app/controllers/projects_controller.rb

@@ -59,10 +59,6 @@ def destroy
     end
   end
 
-  def task_field
-    render layout: false
-  end
-
   private
     # Use callbacks to share common setup or constraints between actions.
     def set_project

app/controllers/tasks_controller.rb

@@ -0,0 +1,14 @@
+class TasksController < ApplicationController
+  def new
+    render turbo_stream: turbo_stream.append(:tasks, partial: "tasks/task", locals: { task: Task.new })
+  end
+
+  def destroy
+    task = Task.find(params[:id])
+    task.destroy
+  rescue ActiveRecord::RecordNotFound
+    task = Task.new(id: params[:id])
+  ensure
+    render turbo_stream: turbo_stream.remove(task.id)
+  end
+end

app/helpers/application_helper.rb

@@ -1,2 +1,5 @@
 module ApplicationHelper
+  def turbo_id_for(obj)
+    obj.persisted? ? obj.id : obj.hash
+  end
 end

app/helpers/tasks_helper.rb

@@ -0,0 +1,2 @@
+module TasksHelper
+end

app/javascript/controllers/index.js

@@ -6,6 +6,3 @@ import { application } from "./application"
 
 import HelloController from "./hello_controller"
 application.register("hello", HelloController)
-
-import RenderResponseController from "./render_response_controller"
-application.register("render-response", RenderResponseController)

app/models/project.rb

@@ -1,11 +1,7 @@
 class Project < ApplicationRecord
   has_many :tasks, dependent: :destroy
 
-  accepts_nested_attributes_for :tasks
+  validates :name, presence: true
 
-  # def task_attributes=(task_attributes)
-  #   task_attributes.each do |attr|
-  #     tasks.build(attr)
-  #   end
-  # end
+  accepts_nested_attributes_for :tasks
 end

app/models/task.rb

@@ -1,3 +1,5 @@
 class Task < ApplicationRecord
   belongs_to :project
+
+  validates :name, presence: true
 end

app/views/projects/_form.html.erb

@@ -1,4 +1,4 @@
-<%= form_with(model: project, data: { controller: "render-response" }, class: "space-y-4") do |form| %>
+<%= form_with(model: project, class: "space-y-4") do |form| %>
   <% if project.errors.any? %>
     <div style="color: red">
       <h2><%= pluralize(project.errors.count, "error") %> prohibited this project from being saved:</h2>
@@ -18,18 +18,14 @@
   </fieldset>
 
   <div id="tasks" class="mb-2">
-    <%= render partial: "task", collection: @project.tasks %>
+    <%= render @project.tasks %>
   </div>
 
   <div class="mb-2">
-    <%= button_tag "Add a Task", type: "button", class: "px-4 py-2 rounded-md bg-blue-300 hover:bg-blue-400", data: { action: "render-response#getTaskPartial" } %>
+    <%= link_to "Add a Task", new_task_path, data: { turbo_stream: true }, class: "p-2 rounded-md bg-blue-300 hover:bg-blue-400" %>
   </div>
 
   <div>
-    <% if form.object.persisted? %>
-      <%= form.submit "Update", class: "p-2 rounded-md bg-blue-300 hover:bg-blue-400 w-full" %>
-    <% else %>
-      <%= form.submit "Create", class: "p-2 rounded-md bg-blue-300 hover:bg-blue-400 w-full" %>
-    <% end %>
+    <%= form.submit nil, class: "p-2 rounded-md bg-blue-300 hover:bg-blue-400 w-full" %>
   </div>
 <% end %>

app/views/tasks/_task.html.erb

@@ -0,0 +1,10 @@
+<%= fields_for "project[tasks_attributes][#{turbo_id_for(task)}]", task do |ff| %>
+  <fieldset class="mb-4" id="<%= turbo_id_for(task) %>">
+    <legend>Task Info</legend>
+    <%= ff.label :name %><br>
+    <%= ff.text_field :name, class: "px-2 py-1 border w-full rounded-md" %>
+    <%= ff.hidden_field :id %>
+    <%= button_tag "Delete Task", formaction: task_path(turbo_id_for(task)), formmethod: :delete, class: "mt-4 float-right p-2 rounded-md bg-red-300 hover:bg-red-400" %>
+  </fieldset>
+<% end %>
+

app/views/tasks/destroy.html.erb

@@ -0,0 +1,2 @@
+<h1>Tasks#destroy</h1>
+<p>Find me in app/views/tasks/destroy.html.erb</p>

app/views/tasks/new.html.erb

@@ -0,0 +1,2 @@
+<h1>Tasks#new</h1>
+<p>Find me in app/views/tasks/new.html.erb</p>

config/routes.rb

@@ -1,12 +1,6 @@
 Rails.application.routes.draw do
   root "projects#index"
-  resources :projects do
-    collection do
-      get "task_field"
-    end
-  end
-  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
-  # Defines the root path route ("/")
-  # root "articles#index"
+  resources :tasks, only: [:new, :destroy]
+  resources :projects
 end

test/controllers/tasks_controller_test.rb

@@ -0,0 +1,13 @@
+require "test_helper"
+
+class TasksControllerTest < ActionDispatch::IntegrationTest
+  test "should get new" do
+    get tasks_new_url
+    assert_response :success
+  end
+
+  test "should get destroy" do
+    get tasks_destroy_url
+    assert_response :success
+  end
+end