two way message sending

Author: cjavdev

app/controllers/messages_controller.rb

@@ -0,0 +1,22 @@
+class MessagesController < ApplicationController
+  def index
+    @reservation = current_user.all_reservations.find(params[:reservation_id])
+    @messages = @reservation.messages
+  end
+
+  def create
+    @reservation = current_user.all_reservations.find(message_params[:reservation_id])
+    @message = current_user.sent_messages.new(message_params)
+    @message.to_user = @reservation.guest == current_user ? @reservation.host : @reservation.guest
+    if !@message.save
+      flash[:errors] = @message.errors.full_messages
+    end
+    redirect_to messages_path(reservation_id: @reservation.id)
+  end
+
+  private
+
+  def message_params
+    params.require(:message).permit(:content, :reservation_id)
+  end
+end

app/helpers/messages_helper.rb

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

app/mailers/message_mailer.rb

@@ -0,0 +1,13 @@
+class MessageMailer < ApplicationMailer
+
+  # Subject can be set in your I18n file at config/locales/en.yml
+  # with the following lookup:
+  #
+  #   en.message_mailer.new_message.subject
+  #
+  def new_message
+    @message = params[:message]
+
+    mail to: @message.to_user.email, subject: "New message from #{@message.from_user.email}"
+  end
+end

app/models/message.rb

@@ -0,0 +1,11 @@
+class Message < ApplicationRecord
+  belongs_to :from_user, class_name: 'User'
+  belongs_to :to_user, class_name: 'User'
+  belongs_to :reservation, optional: true
+
+  after_create_commit :notify_to_user
+
+  def notify_to_user
+    NewMessage.with(message: self).deliver_later(to_user)
+  end
+end

app/models/reservation.rb

@@ -18,6 +18,7 @@ class Reservation < ApplicationRecord
   has_one :host, through: :listing
   enum status: {pending: 0, booked: 1, canceling: 3, cancelled: 2, expired: 4}
   has_one :calendar_event, dependent: :destroy, required: true
+  has_many :messages
 
   delegate :start_date, to: :calendar_event
   delegate :end_date, to: :calendar_event

app/models/user.rb

@@ -39,9 +39,15 @@ class User < ApplicationRecord
   has_many :reservations, foreign_key: :guest_id
   has_many :host_reservations, class_name: 'Reservation', through: :listings, source: :reservations
   has_many :notifications, as: :recipient
+  has_many :sent_messages, class_name: 'Message', foreign_key: 'from_user_id'
+  has_many :received_messages, class_name: 'Message', foreign_key: 'to_user_id'
 
   after_commit :maybe_create_stripe_customer, on: [:create, :update]
 
+  def all_reservations
+    Reservation.where(guest: self).or(Reservation.where(listing: listings))
+  end
+
   def maybe_create_stripe_customer
     return if !stripe_customer_id.blank?
 

app/notifications/new_message.rb

@@ -0,0 +1,27 @@
+# To deliver this notification:
+#
+# NewMessage.with(message: @message).deliver_later(current_user)
+# NewMessage.with(message: @message).deliver(current_user)
+
+class NewMessage < Noticed::Base
+  # Add your delivery methods
+  #
+  deliver_by :database
+  deliver_by :email, mailer: "MessageMailer", method: :new_message
+  # deliver_by :slack
+  # deliver_by :custom, class: "MyDeliveryMethod"
+
+  # Add required params
+  #
+  param :message
+
+  # Define helper methods to make rendering easier.
+  #
+  # def message
+  #   t(".message")
+  # end
+  #
+  # def url
+  #   post_path(params[:post])
+  # end
+end

app/views/message_mailer/new_message.html.erb

@@ -0,0 +1,5 @@
+<h1>New Message</h1>
+
+<p>
+  <%= @message.content %>
+</p>

app/views/message_mailer/new_message.text.erb

@@ -0,0 +1,3 @@
+Message#new_message
+
+<%= @greeting %>, find me in app/views/message_mailer/new_message.text.erb

app/views/messages/index.html.erb

@@ -0,0 +1,53 @@
+<h1 class="text-2xl mb-6">Messages</h1>
+
+<div class="flow-root">
+  <ul role="list" class="-mb-8">
+  <% @messages.each_with_index do |message, i| %>
+    <li>
+      <div class="relative pb-8">
+        <% if i < @messages.length - 1 %>
+          <span class="absolute top-5 left-5 -ml-px h-full w-0.5 bg-gray-200" aria-hidden="true"></span>
+        <% end %>
+
+        <div class="relative flex items-start space-x-3">
+          <div class="relative">
+            <img class="h-10 w-10 rounded-full bg-gray-400 flex items-center justify-center ring-8 ring-white" src="https://images.unsplash.com/photo-1520785643438-5bf77931f493?ixlib=rb-=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=facearea&facepad=8&w=256&h=256&q=80" alt="">
+
+            <span class="absolute -bottom-0.5 -right-1 bg-white rounded-tl px-0.5 py-px">
+              <!-- Heroicon name: solid/chat-alt -->
+              <svg class="h-5 w-5 text-gray-400" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                <path fill-rule="evenodd" d="M18 5v8a2 2 0 01-2 2h-5l-5 4v-4H4a2 2 0 01-2-2V5a2 2 0 012-2h12a2 2 0 012 2zM7 8H5v2h2V8zm2 0h2v2H9V8zm6 0h-2v2h2V8z" clip-rule="evenodd" />
+              </svg>
+            </span>
+          </div>
+          <div class="min-w-0 flex-1">
+            <div>
+              <div class="text-sm">
+                <a href="#" class="font-medium text-gray-900"><%= message.from_user.email %></a>
+              </div>
+              <p class="mt-0.5 text-sm text-gray-500">Sent <%= time_ago_in_words(message.created_at) %> ago</p>
+            </div>
+            <div class="mt-2 text-sm text-gray-700">
+              <p><%= message.content %></p>
+            </div>
+          </div>
+        </div>
+      </div>
+    </li>
+    <% end %>
+  </ul>
+</div>
+
+<form action="/messages" method="post" class="mt-6">
+  <input type="hidden" name="authenticity_token" value="<%= form_authenticity_token %>">
+  <input type="hidden" name="message[reservation_id]" value="<%= @reservation.id %>">
+  <div>
+    <label for="comment" class="block text-sm font-medium text-gray-700">Add your message</label>
+    <div class="mt-1">
+      <textarea rows="4" name="message[content]" id="comment" class="shadow-sm focus:ring-indigo-500 focus:border-indigo-500 block w-full sm:text-sm border-gray-300 rounded-md"></textarea>
+    </div>
+  </div>
+  <div>
+    <button type="submit" >Send</button>
+  </div>
+</form>

app/views/reservations/show.html.erb

@@ -2,6 +2,8 @@
 
 <pre><%= JSON.pretty_generate(@reservation.as_json(include: :calendar_event)) %></pre>
 
+<%= link_to "Messages", messages_path(reservation_id: @reservation.id) %>
+
 <form action="<%= cancel_reservation_path(@reservation) %>" method="post">
   <input type="hidden" name="authenticity_token" value="<%= form_authenticity_token %>">
   <input type="submit" value="Cancel">

config/routes.rb

@@ -3,6 +3,7 @@
   root to: 'static_pages#home'
 
   resources :listings, only: [:index, :show]
+  resources :messages, only: [:index, :create]
   resources :reservations do
     member do
       post '/cancel' => 'reservations#cancel'
@@ -12,7 +13,6 @@
   post '/webhooks/:source' => 'webhooks#create'
 
   namespace :host do
-    get 'reservations/show'
     resources :merchant_settings do
       collection do
         get :connect, to: 'merchant_settings#connect'

db/migrate/20220316123857_create_messages.rb

@@ -0,0 +1,12 @@
+class CreateMessages < ActiveRecord::Migration[7.0]
+  def change
+    create_table :messages do |t|
+      t.references :from_user, null: false, foreign_key: { to_table: :users }
+      t.references :to_user, null: false, foreign_key: { to_table: :users }
+      t.references :reservation, null: true, foreign_key: true
+      t.string :content, null: false, default: ''
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -0,0 +1,8 @@
+require "test_helper"
+
+class MessagesControllerTest < ActionDispatch::IntegrationTest
+  test "should get index" do
+    get messages_index_url
+    assert_response :success
+  end
+end

test/controllers/messages_controller_test.rb

@@ -0,0 +1,13 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  from_user: one
+  to_user: one
+  reservation: one
+  content: MyString
+
+two:
+  from_user: two
+  to_user: two
+  reservation: two
+  content: MyString

test/fixtures/messages.yml

@@ -0,0 +1,12 @@
+require "test_helper"
+
+class MessageMailerTest < ActionMailer::TestCase
+  test "new_message" do
+    mail = MessageMailer.new_message
+    assert_equal "New message", mail.subject
+    assert_equal ["[email protected]"], mail.to
+    assert_equal ["[email protected]"], mail.from
+    assert_match "Hi", mail.body.encoded
+  end
+
+end

test/mailers/message_mailer_test.rb

@@ -0,0 +1,9 @@
+# Preview all emails at http://localhost:3000/rails/mailers/message_mailer
+class MessageMailerPreview < ActionMailer::Preview
+
+  # Preview this email at http://localhost:3000/rails/mailers/message_mailer/new_message
+  def new_message
+    MessageMailer.new_message
+  end
+
+end

test/mailers/previews/message_mailer_preview.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class MessageTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end