Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/webhook.rb

@@ -0,0 +1,43 @@
+# == Schema Information
+#
+# Table name: webhooks
+#
+#  id            :bigint           not null, primary key
+#  name          :string
+#  subscriptions :jsonb
+#  url           :text
+#  webhook_type  :integer          default("account_type")
+#  created_at    :datetime         not null
+#  updated_at    :datetime         not null
+#  account_id    :integer
+#  inbox_id      :integer
+#
+# Indexes
+#
+#  index_webhooks_on_account_id_and_url  (account_id,url) UNIQUE
+#
+
+class Webhook < ApplicationRecord
+  belongs_to :account
+  belongs_to :inbox, optional: true
+
+  validates :account_id, presence: true
+  validates :url, uniqueness: { scope: [:account_id] }, format: URI::DEFAULT_PARSER.make_regexp(%w[http https])
+  validate :validate_webhook_subscriptions
+  enum webhook_type: { account_type: 0, inbox_type: 1 }
+
+  ALLOWED_WEBHOOK_EVENTS = %w[conversation_status_changed conversation_updated conversation_created contact_created contact_updated
+                              message_created message_updated webwidget_triggered inbox_created inbox_updated
+                              conversation_typing_on conversation_typing_off].freeze
+
+  private
+
+  def validate_webhook_subscriptions
+    invalid_subscriptions = !subscriptions.instance_of?(Array) ||
+                            subscriptions.blank? ||
+                            (subscriptions.uniq - ALLOWED_WEBHOOK_EVENTS).length.positive?
+    errors.add(:subscriptions, I18n.t('errors.webhook.invalid')) if invalid_subscriptions
+  end
+end
+
+Webhook.include_mod_with('Audit::Webhook')