定期イベントの内容が更新されたら参加者に通知する

app/controllers/regular_events_controller.rb

@@ -34,6 +34,7 @@ def edit; end
   def update
     set_wip
     if @regular_event.update(regular_event_params)
+      Newspaper.publish(:regular_event_update, @regular_event)
       redirect_to @regular_event, notice: notice_message(@regular_event)
     else
       render :edit

app/mailers/notification_mailer.rb

@@ -18,6 +18,7 @@ class NotificationMailer < ApplicationMailer # rubocop:disable Metrics/ClassLeng
     @sender = params[:sender]
     @event = params[:event]
     @page = params[:page]
+    @regular_event = params[:regular_event]
   end
 
   # required params: comment, receiver, message
@@ -185,4 +186,11 @@ def signed_up
     subject = "[FBC] #{@sender.login_name}さん#{roles}が新しく入会しました！"
     mail to: @user.email, subject: subject
   end
+
+  def update_regular_event
+    @user = @receiver
+    @notification = @user.notifications.find_by(link: "/regular_events/#{@regular_event.id}", kind: Notification.kinds[:regular_event_updated])
+    subject = "[FBC] 定期イベント【#{@regular_event.title}】が更新されました。"
+    mail to: @user.email, subject: subject
+  end
 end

app/models/notification.rb

@@ -36,7 +36,8 @@ class Notification < ApplicationRecord
     product_update: 17,
     graduated: 18,
     hibernated: 19,
-    signed_up: 20
+    signed_up: 20,
+    regular_event_updated: 21
   }
 
   scope :unreads, -> { where(read: false) }

app/models/notification_facade.rb

@@ -219,4 +219,14 @@ def self.signed_up(sender, receiver)
       receiver: receiver
     ).signed_up.deliver_later(wait: 5)
   end
+
+  def self.update_regular_event(regular_event, receiver)
+    ActivityNotifier.with(regular_event: regular_event, receiver: receiver).update_regular_event.notify_now
+    return unless receiver.mail_notification? && !receiver.retired?
+
+    NotificationMailer.with(
+      regular_event: regular_event,
+      receiver: receiver
+    ).update_regular_event.deliver_later(wait: 5)
+  end
 end

app/models/regular_event_update_notifier.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class RegularEventUpdateNotifier
+  def call(regular_event)
+    participants = regular_event.participants
+    participants.each do |target|
+      NotificationFacade.update_regular_event(regular_event, target) if regular_event.user != target
+    end
+  end
+end

app/notifiers/activity_notifier.rb

@@ -307,4 +307,19 @@ def watching_notification(params = {})
       read: false
     )
   end
+
+  def update_regular_event(params = {})
+    params.merge!(@params)
+    regular_event = params[:regular_event]
+    receiver = params[:receiver]
+
+    notification(
+      body: "定期イベント【#{regular_event.title}】が更新されました。",
+      kind: :regular_event_updated,
+      receiver: receiver,
+      sender: regular_event.user,
+      link: Rails.application.routes.url_helpers.polymorphic_path(regular_event),
+      read: false
+    )
+  end
 end

app/views/notification_mailer/update_regular_event.html.slim

@@ -0,0 +1 @@
+= render 'notification_mailer_template', title: "定期イベント【#{@regular_event.title}】の詳細が更新されました。", link_url: notification_url(@notification), link_text: '定期イベント詳細へ'

config/initializers/newspaper.rb

@@ -26,4 +26,5 @@
   Newspaper.subscribe(:correct_answer_save, CorrectAnswerNotifier.new)
 
   Newspaper.subscribe(:user_create, SignUpNotifier.new)
+  Newspaper.subscribe(:regular_event_update, RegularEventUpdateNotifier.new)
 end

db/fixtures/notifications.yml

@@ -147,3 +147,11 @@ notification_hibernated:
   message: hatsunoさんが休会しました。
   link: "/users/<%= ActiveRecord::FixtureSet.identify(:hatsuno) %>"
   read: false
+
+notification_regular_event_updated:
+  kind: 21
+  user: hatsuno
+  sender: komagata
+  message: "[FBC] 定期イベント【開発MTG】が更新されました。"
+  link: "/regular_events/<%= ActiveRecord::FixtureSet.identify(:regular_event1) %>"
+  read: false

db/fixtures/regular_event_participations.yml

@@ -0,0 +1,3 @@
+regular_event_participation1:
+  user: hatsuno
+  regular_event: regular_event1

db/seeds.rb

@@ -42,6 +42,7 @@
   talks
   regular_events
   regular_event_repeat_rules
+  regular_event_participations
   organizers
   hibernations
   footprints

test/fixtures/notifications.yml

@@ -173,3 +173,11 @@ notification_graduated:
   message: 🎉 sotugyouさんが卒業しました。
   link: "/users/<%= ActiveRecord::FixtureSet.identify(:sotugyou) %>"
   read: false
+
+notification_regular_event_updated:
+  kind: 21
+  user: hatsuno
+  sender: komagata
+  message: "[FBC] 定期イベント【開発MTG】が更新されました。"
+  link: "/regular_events/<%= ActiveRecord::FixtureSet.identify(:regular_event1) %>"
+  read: false

test/mailers/notification_mailer_test.rb

@@ -413,4 +413,24 @@ class NotificationMailerTest < ActionMailer::TestCase
     assert_equal '[FBC] kimuraさんが休会しました。', email.subject
     assert_match(/休会/, email.body.to_s)
   end
+
+  test 'update_regular_event' do
+    regular_event = regular_events(:regular_event1)
+    notification = notifications(:notification_regular_event_updated)
+    mailer = NotificationMailer.with(
+      regular_event: regular_event,
+      receiver: notification.user
+    ).update_regular_event
+
+    perform_enqueued_jobs do
+      mailer.deliver_later
+    end
+
+    assert_not ActionMailer::Base.deliveries.empty?
+    email = ActionMailer::Base.deliveries.last
+    assert_equal ['[email protected]'], email.from
+    assert_equal ['[email protected]'], email.to
+    assert_equal '[FBC] 定期イベント【開発MTG】が更新されました。', email.subject
+    assert_match(/定期イベント/, email.body.to_s)
+  end
 end

test/mailers/previews/notification_mailer_preview.rb

@@ -145,4 +145,11 @@ def hibernated
 
     NotificationMailer.with(sender: sender, receiver: receiver).hibernated
   end
+
+  def update_regular_event
+    regular_event = RegularEvent.find(ActiveRecord::FixtureSet.identify(:regular_event1))
+    receiver = User.find(ActiveRecord::FixtureSet.identify(:hatsuno))
+
+    NotificationMailer.with(regular_event: regular_event, receiver: receiver).update_regular_event
+  end
 end

test/notifiers/activity_notifier_test.rb

@@ -108,4 +108,16 @@ class ActivityNotifierTest < ActiveSupport::TestCase
       notification.notify_later
     end
   end
+
+  test '#update_regular_event' do
+    notification = ActivityNotifier.with(regular_event: regular_events(:regular_event1), receiver: users(:hatsuno)).update_regular_event
+
+    assert_difference -> { AbstractNotifier::Testing::Driver.deliveries.count }, 1 do
+      notification.notify_now
+    end
+
+    assert_difference -> { AbstractNotifier::Testing::Driver.enqueued_deliveries.count }, 1 do
+      notification.notify_later
+    end
+  end
 end

test/system/notification/regular_events_test.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'application_system_test_case'
+
+class Notification::ProductsTest < ApplicationSystemTestCase
+  setup do
+    @delivery_mode = AbstractNotifier.delivery_mode
+    AbstractNotifier.delivery_mode = :normal
+  end
+
+  teardown do
+    AbstractNotifier.delivery_mode = @delivery_mode
+  end
+
+  test 'Notify when a regular event change' do
+    regular_event = regular_events(:regular_event1)
+    visit_with_auth "/regular_events/#{regular_event.id}/edit", 'komagata'
+    within('form[name=regular_event]') do
+      fill_in('regular_event[description]', with: 'updated')
+    end
+    click_button '内容変更'
+    assert_text '定期イベントを更新しました。'
+
+    visit_with_auth '/notifications', 'hatsuno'
+    within first('.card-list-item.is-unread') do
+      assert_text "定期イベント【#{regular_event.title}】が更新されました。"
+    end
+  end
+end