Feature: Add new notification settings for user (#569)

Added new notification settings API for user 

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/models/account.rb

@@ -24,6 +24,7 @@ class Account < ApplicationRecord
   has_many :canned_responses, dependent: :destroy
   has_many :webhooks, dependent: :destroy
   has_one :subscription, dependent: :destroy
+  has_many :notification_settings, dependent: :destroy
 
   after_create :create_subscription
   after_create :notify_creation

app/models/notification_setting.rb

@@ -0,0 +1,34 @@
+# == Schema Information
+#
+# Table name: notification_settings
+#
+#  id          :bigint           not null, primary key
+#  email_flags :integer          default(0), not null
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  account_id  :integer
+#  user_id     :integer
+#
+# Indexes
+#
+#  by_account_user  (account_id,user_id) UNIQUE
+#
+
+class NotificationSetting < ApplicationRecord
+  # used for single column multi flags
+  include FlagShihTzu
+
+  belongs_to :account
+  belongs_to :user
+
+  DEFAULT_QUERY_SETTING = {
+    flag_query_mode: :bit_operator
+  }.freeze
+
+  EMAIL_NOTIFCATION_FLAGS = {
+    1 => :conversation_creation,
+    2 => :conversation_assignment
+  }.freeze
+
+  has_flags EMAIL_NOTIFCATION_FLAGS.merge(column: 'email_flags').merge(DEFAULT_QUERY_SETTING)
+end

app/models/user.rb

@@ -74,12 +74,13 @@ class User < ApplicationRecord
   has_many :inbox_members, dependent: :destroy
   has_many :assigned_inboxes, through: :inbox_members, source: :inbox
   has_many :messages
+  has_many :notification_settings, dependent: :destroy
 
   before_validation :set_password_and_uid, on: :create
 
   accepts_nested_attributes_for :account
 
-  after_create :notify_creation
+  after_create :notify_creation, :create_notification_setting
   after_destroy :notify_deletion
 
   def send_devise_notification(notification, *args)
@@ -100,6 +101,12 @@ class User < ApplicationRecord
     Rails.configuration.dispatcher.dispatch(AGENT_ADDED, Time.zone.now, account: account)
   end
 
+  def create_notification_setting
+    setting = notification_settings.new(account_id: account_id)
+    setting.selected_email_flags = [:conversation_assignment]
+    setting.save!
+  end
+
   def notify_deletion
     Rails.configuration.dispatcher.dispatch(AGENT_REMOVED, Time.zone.now, account: account)
   end