Add Chat Rooms with Turbo

Gemfile.lock

@@ -352,6 +352,8 @@ GEM
     nokogiri (1.15.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    nokogiri (1.15.5-x86_64-linux)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -566,6 +568,7 @@ GEM
 
 PLATFORMS
   ruby
+  x86_64-linux
 
 DEPENDENCIES
   activejob-status (~> 1.0)

app/assets/javascripts/rooms.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/rooms.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Rooms controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/

app/controllers/application_controller.rb

@@ -19,8 +19,8 @@ class ApplicationController < ActionController::Base
     def user_not_authorized(exception)
       policy_name = exception.policy.class.to_s.underscore
       # flash[:alert] = "#{policy_name}.#{exception.query}"
-      # flash[:alert] = "Unable to #{exception.query[0..-2]} #{policy_name.split("_")[0].capitalize}"
+      # flash[:error] = t "#{policy_name}.#{exception.query}", scope: "pundit", default: :default
-      flash[:error] = t "#{policy_name}.#{exception.query}", scope: "pundit", default: :default
+      flash[:alert] = "Unable to #{exception.query[0..-2]} #{policy_name.split("_")[0].capitalize}"
       redirect_to (request.referrer || root_path)
     end
   end

app/controllers/rooms_controller.rb

@@ -0,0 +1,28 @@
+class RoomsController < ApplicationController
+  before_action :set_room, only: %i[ show edit update destroy ]
+  def index
+    @rooms = policy_scope Room.all
+    authorize @rooms
+    authorize @new_room = Room.new
+  end
+
+  def create
+    authorize @room = Room.build(name: params["room"]["name"])
+    @room.save
+  end
+
+  def show
+    authorize @room
+    @rooms = Room.public_rooms
+
+    render "index"
+  end
+
+  private
+
+  # Use callbacks to share common setup or constraints between actions.
+  def set_room
+    @room = Room.find(params[:id])
+  end
+
+end

app/helpers/rooms_helper.rb

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

app/javascript/application.js

@@ -1 +1,2 @@
 import 'controllers'
+import "@hotwired/turbo-rails"

app/models/room.rb

@@ -0,0 +1,5 @@
+class Room < ActiveRecord::Base
+  validates_uniqueness_of :name
+  scope :public_rooms, -> {where(is_private: false)}
+  after_create_commit { broadcast_append_to "rooms" }
+end

app/policies/room_policy.rb

@@ -0,0 +1,56 @@
+class RoomPolicy
+  attr_reader :user, :model
+
+  def initialize(user, model)
+    @user = user || User.new
+    @room = model
+  end
+
+  class Scope
+    def initialize(user, scope)
+      @user  = user
+      @scope = scope
+    end
+
+    def resolve
+      if user.admin?
+        scope.all
+      else
+        #TODO: private chats
+        scope.all
+      end
+    end
+
+    private
+
+    attr_reader :user, :scope
+  end
+
+  def index?
+    true
+  end
+
+  def show?
+    true
+  end
+
+  def new?
+    @user.admin?
+  end
+
+  def create?
+    @user.admin?
+  end
+
+  def edit?
+    @user.admin?
+  end
+
+  def update?
+    @user.admin?
+  end
+
+  def destroy?
+    @user.admin?
+  end
+end

app/views/layouts/_new_room_form.html.haml

@@ -0,0 +1,3 @@
+= form_with(model: @new_room, remote: true) do |f|
+  = f.text_field :name, class: "form-control", autocomplete: 'off'
+  = f.submit data: { disable_with: false }

app/views/rooms/_room.html.haml

@@ -0,0 +1,2 @@
+%div
+  = link_to room.name, room

app/views/rooms/index.html.haml

@@ -0,0 +1,11 @@
+- if @room
+  %h4= @room.name
+
+%h1 Rooms index
+
+= render partial: "layouts/new_room_form"
+
+= turbo_stream_from "rooms"
+#rooms
+  %div
+    = render @rooms

config/cable.yml

@@ -1,5 +1,6 @@
 development:
-  adapter: async
+  adapter: redis
+  url: redis://127.0.0.1:6379/1
 
 test:
   adapter: test

config/importmap.rb

@@ -6,3 +6,4 @@ pin '@hotwired/stimulus-loading', to: 'stimulus-loading.js', preload: true
 pin_all_from 'app/javascript/models', under: 'models'
 pin_all_from 'app/javascript/controllers', under: 'controllers'
 pin_all_from 'app/javascript/subscriptions', under: 'subscriptions'
+pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true

config/initializers/devise_permitted_parameters.rb

@@ -1,16 +1,16 @@
-module DevisePermittedParameters
+# module DevisePermittedParameters
-  extend ActiveSupport::Concern
+#   extend ActiveSupport::Concern
 
-  included do
+#   included do
-    before_action :configure_permitted_parameters
+#     before_action :configure_permitted_parameters
-  end
+#   end
 
-  protected
+#   protected
 
-  def configure_permitted_parameters
+#   def configure_permitted_parameters
-    devise_parameter_sanitizer.permit(:sign_up, keys: [:name])
+#     devise_parameter_sanitizer.permit(:sign_up, keys: [:name])
-    devise_parameter_sanitizer.permit(:account_update, keys: [:name])
+#     devise_parameter_sanitizer.permit(:account_update, keys: [:name])
-  end
+#   end
-end
+# end
 
-DeviseController.send :include, DevisePermittedParameters
+# DeviseController.send :include, DevisePermittedParameters

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :rooms
   resources :commands do
     member do
       get 'run'

db/migrate/20231203160243_create_rooms.rb

@@ -0,0 +1,10 @@
+class CreateRooms < ActiveRecord::Migration[6.1]
+  def change
+    create_table :rooms do |t|
+      t.string :name
+      t.boolean :is_private, default: false
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2023_12_02_164132) do
+ActiveRecord::Schema.define(version: 2023_12_03_160243) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -179,6 +179,13 @@ ActiveRecord::Schema.define(version: 2023_12_02_164132) do
     t.index ["follower_id"], name: "index_relationships_on_follower_id"
   end
 
+  create_table "rooms", force: :cascade do |t|
+    t.string "name"
+    t.boolean "is_private", default: false
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
   create_table "seats", force: :cascade do |t|
     t.integer "table_id"
     t.integer "user_id"

spec/factories/rooms.rb

@@ -0,0 +1,6 @@
+FactoryGirl.define do
+  factory :room do
+    name "MyString"
+    is_private false
+  end
+end

spec/helpers/rooms_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the RoomsHelper. For example:
+#
+# describe RoomsHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe RoomsHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/room_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Room, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/requests/rooms_spec.rb

@@ -0,0 +1,11 @@
+require 'rails_helper'
+
+RSpec.describe "Rooms", type: :request do
+  describe "GET /index" do
+    it "returns http success" do
+      get "/rooms/index"
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+end

spec/views/rooms/index.html.haml_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe "rooms/index.html.haml", type: :view do
+  pending "add some examples to (or delete) #{__FILE__}"
+end