feat: ( telebirr ) implement provider, signing, and webhook handler

apps/edr-passenger-api/src/modules/payments/webhooks/webhooks.controller.ts

@@ -0,0 +1,27 @@
+import { Body, Controller, HttpCode, HttpStatus, Logger, Post } from '@nestjs/common';
+import { ApiOperation, ApiTags } from '@nestjs/swagger';
+import {
+  TelebirrWebhookPayload,
+  TelebirrWebhookService,
+} from './telebirr-webhook.service';
+
+@ApiTags('Payment Webhooks')
+@Controller('payments/webhooks')
+export class WebhooksController {
+  private readonly logger = new Logger(WebhooksController.name);
+
+  constructor(private readonly telebirr: TelebirrWebhookService) {}
+
+  @Post('telebirr')
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: 'Telebirr payment notification callback' })
+  async receiveTelebirr(@Body() payload: TelebirrWebhookPayload) {
+    try {
+      await this.telebirr.handle(payload);
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err);
+      this.logger.error(`Telebirr webhook handler threw: ${message}`);
+    }
+    return { code: '0', message: 'OK' };
+  }
+}