recoder-code/plugin-registry-service/src/services/NotificationService.ts

Complete AI-powered development platform with ML model training, plugin registry, real-time collaboration, monitoring, infrastructure automation, and enterprise deployment capabilities

/**
 * Notification Service - Handles sending notifications to users
 */

import { User } from '../entities/User';
import { Package } from '../entities/Package';
import { PackageVersion } from '../entities/PackageVersion';

export interface NotificationOptions {
  type: 'email' | 'webhook' | 'push';
  template?: string;
  data?: Record<string, any>;
}

export class NotificationService {
  private logger = {
    info: (msg: string, ...args: any[]) => console.log(`[INFO] ${msg}`, ...args),
    error: (msg: string, ...args: any[]) => console.error(`[ERROR] ${msg}`, ...args),
    warn: (msg: string, ...args: any[]) => console.warn(`[WARN] ${msg}`, ...args)
  };

  async notifyPackagePublished(
    pkg: Package,
    version: PackageVersion,
    user: User,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying package published: ${pkg.name}@${version.version} by ${user.username}`);
    
    // Implementation would go here
    // - Send email notifications to followers
    // - Send webhook notifications to configured endpoints
    // - Update feeds/activity streams
  }

  async notifyPackageUpdated(
    pkg: Package,
    version: PackageVersion,
    user: User,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying package updated: ${pkg.name}@${version.version} by ${user.username}`);
    
    // Implementation would go here
  }

  async notifyPackageDeprecated(
    pkg: Package,
    user: User,
    reason?: string,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying package deprecated: ${pkg.name} by ${user.username}`);
    
    // Implementation would go here
  }

  async notifySecurityAlert(
    pkg: Package,
    vulnerability: any,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying security alert for package: ${pkg.name}`);
    
    // Implementation would go here
  }

  async notifyMaintainerAdded(
    pkg: Package,
    newMaintainer: User,
    addedBy: User,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying maintainer added: ${newMaintainer.username} to ${pkg.name}`);
    
    // Implementation would go here
  }

  async notifyMaintainerRemoved(
    pkg: Package,
    removedMaintainer: string,
    removedBy: User,
    options?: NotificationOptions
  ): Promise<void> {
    this.logger.info(`Notifying maintainer removed: ${removedMaintainer} from ${pkg.name}`);
    
    // Implementation would go here
  }

  async sendEmail(
    to: string,
    subject: string,
    template: string,
    data: Record<string, any>
  ): Promise<void> {
    this.logger.info(`Sending email to ${to}: ${subject}`);
    
    // Implementation would go here
    // - Use email service (SendGrid, SES, etc.)
    // - Render template with data
    // - Send email
  }

  async sendWebhook(
    url: string,
    payload: Record<string, any>,
    options?: { retries?: number; timeout?: number }
  ): Promise<void> {
    this.logger.info(`Sending webhook to ${url}`);
    
    // Implementation would go here
    // - Send HTTP POST request
    // - Handle retries and timeouts
    // - Log delivery status
  }

  async sendPushNotification(
    userId: string,
    title: string,
    message: string,
    data?: Record<string, any>
  ): Promise<void> {
    this.logger.info(`Sending push notification to user ${userId}: ${title}`);
    
    // Implementation would go here
    // - Use push service (FCM, APNS, etc.)
    // - Send notification to user's devices
  }
}