Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/concerns/user_attribute_helpers.rb

@@ -0,0 +1,53 @@
+module UserAttributeHelpers
+  extend ActiveSupport::Concern
+
+  def available_name
+    self[:display_name].presence || name
+  end
+
+  def availability_status
+    current_account_user&.availability_status
+  end
+
+  def auto_offline
+    current_account_user&.auto_offline
+  end
+
+  def inviter
+    current_account_user&.inviter
+  end
+
+  def active_account_user
+    account_users.order(Arel.sql('active_at DESC NULLS LAST'))&.first
+  end
+
+  def current_account_user
+    # We want to avoid subsequent queries in case where the association is preloaded.
+    # using where here will trigger n+1 queries.
+    account_users.find { |ac_usr| ac_usr.account_id == Current.account.id } if Current.account
+  end
+
+  def account
+    current_account_user&.account
+  end
+
+  def administrator?
+    current_account_user&.administrator?
+  end
+
+  def agent?
+    current_account_user&.agent?
+  end
+
+  def role
+    current_account_user&.role
+  end
+
+  # Used internally for Chatwoot in Chatwoot
+  def hmac_identifier
+    hmac_key = GlobalConfig.get('CHATWOOT_INBOX_HMAC_KEY')['CHATWOOT_INBOX_HMAC_KEY']
+    return OpenSSL::HMAC.hexdigest('sha256', hmac_key, email) if hmac_key.present?
+
+    ''
+  end
+end