From dcbcb42acdf6aa5d1cedc8253c5dd23059e01465 Mon Sep 17 00:00:00 2001
From: Kirill <mpak8501@yandex.ru>
Date: Mon, 18 May 2026 11:22:17 +0500
Subject: [PATCH] feat: add notification event type constants

---
 shared/constants/notification-events.d.ts | 34 +++++++++++++++++++++++
 shared/constants/notification-events.js   | 25 +++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 shared/constants/notification-events.d.ts
 create mode 100644 shared/constants/notification-events.js

diff --git a/shared/constants/notification-events.d.ts b/shared/constants/notification-events.d.ts
new file mode 100644
index 0000000..1eba015
--- /dev/null
+++ b/shared/constants/notification-events.d.ts
@@ -0,0 +1,34 @@
+export type NotificationEventType =
+  | 'order:created'
+  | 'order:statusChanged'
+  | 'orderMessage:sent'
+  | 'orderMessage:adminReply'
+  | 'payment:statusChanged'
+  | 'auth:codeRequested'
+
+export type NotificationChannel = 'email' | 'telegram'
+
+export type NotificationStatus = 'pending' | 'sent' | 'failed'
+
+export const NOTIFICATION_EVENTS: {
+  ORDER_CREATED: NotificationEventType
+  ORDER_STATUS_CHANGED: NotificationEventType
+  ORDER_MESSAGE_SENT: NotificationEventType
+  ORDER_MESSAGE_ADMIN_REPLY: NotificationEventType
+  PAYMENT_STATUS_CHANGED: NotificationEventType
+  AUTH_CODE_REQUESTED: NotificationEventType
+}
+
+export const NOTIFICATION_CHANNELS: {
+  EMAIL: NotificationChannel
+  TELEGRAM: NotificationChannel
+}
+
+export const NOTIFICATION_STATUSES: {
+  PENDING: NotificationStatus
+  SENT: NotificationStatus
+  FAILED: NotificationStatus
+}
+
+export const MAX_RETRY_ATTEMPTS: number
+export const RETRY_DELAYS_MS: number[]
diff --git a/shared/constants/notification-events.js b/shared/constants/notification-events.js
new file mode 100644
index 0000000..82d5578
--- /dev/null
+++ b/shared/constants/notification-events.js
@@ -0,0 +1,25 @@
+/** @typedef {'order:created' | 'order:statusChanged' | 'orderMessage:sent' | 'orderMessage:adminReply' | 'payment:statusChanged' | 'auth:codeRequested'} NotificationEventType */
+
+export const NOTIFICATION_EVENTS = {
+  ORDER_CREATED: 'order:created',
+  ORDER_STATUS_CHANGED: 'order:statusChanged',
+  ORDER_MESSAGE_SENT: 'orderMessage:sent',
+  ORDER_MESSAGE_ADMIN_REPLY: 'orderMessage:adminReply',
+  PAYMENT_STATUS_CHANGED: 'payment:statusChanged',
+  AUTH_CODE_REQUESTED: 'auth:codeRequested',
+}
+
+export const NOTIFICATION_CHANNELS = {
+  EMAIL: 'email',
+  TELEGRAM: 'telegram',
+}
+
+export const NOTIFICATION_STATUSES = {
+  PENDING: 'pending',
+  SENT: 'sent',
+  FAILED: 'failed',
+}
+
+export const MAX_RETRY_ATTEMPTS = 3
+
+export const RETRY_DELAYS_MS = [5_000, 30_000, 120_000]