Add OneSignal configuration and service

libs/common/src/config/onesignal.config.ts

@@ -0,0 +1,9 @@
+import { registerAs } from '@nestjs/config';
+
+export default registerAs(
+  'onesignal-config',
+  (): Record<string, any> => ({
+    ONESIGNAL_APP_ID: process.env.ONESIGNAL_APP_ID,
+    ONESIGNAL_API_KEY: process.env.ONESIGNAL_API_KEY,
+  }),
+);

libs/common/src/helper/services/onesignal.service.ts

@@ -0,0 +1,41 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import * as OneSignal from 'onesignal-node';
+
+@Injectable()
+export class OneSignalService {
+  private client: any;
+
+  constructor(private readonly configService: ConfigService) {
+    // Initialize OneSignal client here
+    this.client = new OneSignal.Client(
+      this.configService.get<string>('onesignal-config.ONESIGNAL_APP_ID'),
+      this.configService.get<string>('onesignal-config.ONESIGNAL_API_KEY'),
+    );
+  }
+
+  async sendNotification(
+    content: string,
+    title: string,
+    subscriptionIds: string[],
+  ): Promise<any> {
+    const notification = {
+      contents: {
+        en: content,
+      },
+      headings: {
+        en: title,
+      },
+      include_subscription_ids: subscriptionIds,
+    };
+
+    try {
+      const response = await this.client.createNotification(notification);
+
+      return response;
+    } catch (err) {
+      console.error('Error:', err);
+      throw new Error('Error sending notification');
+    }
+  }
+}