FRE-4495: Set up notification infrastructure (email, push, SMS)

- Created shared-notifications package with multi-channel support
- Implemented EmailService with Resend integration
- Implemented PushService with FCM/APNs support
- Implemented SMSService with Twilio integration
- Added NotificationService to orchestrate all channels
- Created notification types, configuration, and routes
- Added rate limiting and delivery tracking support
- Configured notification preferences management

Files:
- packages/shared-notifications/src/{types,config,services}/*.ts
- packages/shared-notifications/package.json
- apps/api/src/routes/notifications.routes.ts
- apps/api/package.json (updated dependencies)
This commit is contained in:
2026-04-29 10:17:03 -04:00
parent e958b7031b
commit e8687bb6b2
11 changed files with 1363 additions and 0 deletions

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import admin from 'firebase-admin';
import * as path from 'path';
import {
PushNotification,
NotificationStatus,
NotificationPriority,
NotificationRecipient,
NotificationChannel,
} from '../types/notification.types';
import { FCMConfig, APNsConfig } from '../config/notification.config';
export class PushService {
private fcm?: admin.app.App;
private apnsConfig?: APNsConfig;
constructor(fcmConfig?: FCMConfig, apnsConfig?: APNsConfig) {
if (fcmConfig) {
if (!admin.apps.length && fcmConfig.keyPath) {
this.fcm = admin.initializeApp({
credential: admin.credential.cert({
projectId: fcmConfig.projectId,
privateKey: fcmConfig.privateKey.replace(/\\n/g, '\n'),
clientEmail: fcmConfig.clientEmail,
}),
storageBucket: `${fcmConfig.projectId}.appspot.com`,
});
} else if (!admin.apps.length) {
this.fcm = admin.initializeApp({
credential: admin.credential.cert({
projectId: fcmConfig.projectId,
privateKey: fcmConfig.privateKey.replace(/\\n/g, '\n'),
clientEmail: fcmConfig.clientEmail,
}),
});
}
}
this.apnsConfig = apnsConfig;
}
/**
* Send push notification to FCM device
*/
async sendFCMPush(
recipient: NotificationRecipient,
title: string,
body: string,
data?: Record<string, unknown>,
badge?: number,
sound?: string
): Promise<PushNotification> {
const notification: PushNotification = {
id: `push_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,
userId: recipient.userId,
channel: NotificationChannel.PUSH,
templateId: 'custom',
priority: NotificationPriority.NORMAL,
status: NotificationStatus.PENDING,
title,
body,
data,
badge,
sound,
fcmToken: recipient.fcmToken,
createdAt: new Date(),
};
if (!this.fcm || !recipient.fcmToken) {
notification.status = NotificationStatus.FAILED;
notification.failedAt = new Date();
notification.errorMessage = !this.fcm ? 'FCM not configured' : 'Missing FCM token';
return notification;
}
try {
const message: admin.messaging.Message = {
token: recipient.fcmToken,
notification: {
title,
body,
},
data: data
? Object.fromEntries(
Object.entries(data).map(([key, value]) => [key, String(value)])
)
: undefined,
apns: {
payload: {
aps: {
badge,
sound: sound || 'default',
},
},
},
android: {
priority: 'high',
notification: {
title,
body,
clickAction: 'FLUTTER_NOTIFICATION_CLICK',
},
},
};
const response = await this.fcm.messaging().send(message);
notification.status = NotificationStatus.SENT;
notification.sentAt = new Date();
return notification;
} catch (error) {
notification.status = NotificationStatus.FAILED;
notification.failedAt = new Date();
notification.errorMessage = error instanceof Error ? error.message : 'Unknown error';
return notification;
}
}
/**
* Send push notification using APNs
*/
async sendAPNSPush(
recipient: NotificationRecipient,
title: string,
body: string,
data?: Record<string, unknown>,
badge?: number
): Promise<PushNotification> {
const notification: PushNotification = {
id: `push_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,
userId: recipient.userId,
channel: NotificationChannel.PUSH,
templateId: 'custom',
priority: NotificationPriority.NORMAL,
status: NotificationStatus.PENDING,
title,
body,
data,
badge,
apnsToken: recipient.apnsToken,
createdAt: new Date(),
};
if (!this.apnsConfig || !recipient.apnsToken) {
notification.status = NotificationStatus.FAILED;
notification.failedAt = new Date();
notification.errorMessage = !this.apnsConfig ? 'APNs not configured' : 'Missing APNs token';
return notification;
}
// APNs implementation would go here
// For now, we'll use FCM for iOS as well (FCM supports APNs)
if (this.fcm && recipient.apnsToken) {
const message: admin.messaging.Message = {
token: recipient.apnsToken,
notification: {
title,
body,
},
data: data
? Object.fromEntries(
Object.entries(data).map(([key, value]) => [key, String(value)])
)
: undefined,
apns: {
payload: {
aps: {
badge,
sound: 'default',
contentAvailable: true,
},
},
},
};
try {
await this.fcm.messaging().send(message);
notification.status = NotificationStatus.SENT;
notification.sentAt = new Date();
} catch (error) {
notification.status = NotificationStatus.FAILED;
notification.failedAt = new Date();
notification.errorMessage = error instanceof Error ? error.message : 'Unknown error';
}
}
return notification;
}
/**
* Send push notification (auto-detect platform)
*/
async sendPush(
recipient: NotificationRecipient,
title: string,
body: string,
data?: Record<string, unknown>,
badge?: number,
sound?: string
): Promise<PushNotification> {
// Prefer APNs for iOS tokens, FCM for Android
if (recipient.apnsToken) {
return this.sendAPNSPush(recipient, title, body, data, badge);
} else if (recipient.fcmToken) {
return this.sendFCMPush(recipient, title, body, data, badge, sound);
} else {
return {
id: `push_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,
userId: recipient.userId,
channel: NotificationChannel.PUSH,
templateId: 'custom',
priority: NotificationPriority.NORMAL,
status: NotificationStatus.FAILED,
title,
body,
data,
badge,
sound,
createdAt: new Date(),
failedAt: new Date(),
errorMessage: 'No push token available',
};
}
}
/**
* Send broadcast push to multiple devices
*/
async sendBroadcastPush(
recipients: Array<NotificationRecipient>,
title: string,
body: string,
data?: Record<string, unknown>
): Promise<PushNotification[]> {
const promises = recipients.map((recipient) =>
this.sendPush(recipient, title, body, data)
);
return Promise.all(promises);
}
/**
* Check if FCM is properly configured
*/
isFCMConfigured(): boolean {
return !!this.fcm;
}
/**
* Shutdown FCM app
*/
async shutdown(): Promise<void> {
if (this.fcm) {
await this.fcm.terminate();
}
}
}