Implementing a link tracking and user click logging system.Implementing a link tracking and user click logging system.

apps/api/src/tracking/public-tracking.controller.ts

@@ -0,0 +1,43 @@
+import {
+  Controller,
+  Get,
+  Headers,
+  Param,
+  Req,
+  Res,
+} from '@nestjs/common';
+import type { Request, Response } from 'express';
+import { TrackingService } from './tracking.service';
+
+/**
+ * ریدایرکت عمومی بدون احراز هویت.
+ * مسیر نهایی: GET /api/t/:token
+ */
+@Controller('t')
+export class PublicTrackingController {
+  constructor(private readonly tracking: TrackingService) {}
+
+  @Get(':token')
+  async redirect(
+    @Param('token') token: string,
+    @Headers('user-agent') userAgent: string | undefined,
+    @Headers('referer') referer: string | undefined,
+    @Req() req: Request,
+    @Res() res: Response,
+  ) {
+    const ip =
+      (typeof req.headers['x-forwarded-for'] === 'string'
+        ? req.headers['x-forwarded-for'].split(',')[0]?.trim()
+        : undefined) ||
+      req.ip ||
+      undefined;
+
+    const target = await this.tracking.handleClick(token, {
+      userAgent,
+      referer,
+      ip,
+    });
+
+    return res.redirect(302, target);
+  }
+}