feat(api): adopt pino request logging

s3-nodejs-api/src/controllers/streamController.ts

@@ -1,23 +1,34 @@
-import { Request, Response } from 'express';
-import StreamService from '../services/streamService';
+import { Request, Response } from "express";
+import StreamService from "../services/streamService";
+import { Logger } from "pino";
 
 export default class StreamController {
-    constructor(private streamService: StreamService) { }
+  constructor(
+    private streamService: StreamService,
+    private logger: Logger,
+  ) {}
 
-    // GET /api/streams/:key
-    async streamAudio(req: Request, res: Response) {
-        const { fileName: key } = req.params as { fileName: string };
-        const range = req.headers.range as string | undefined;
-        if (!key) return res.status(400).send('Missing file key');
+  // GET /api/streams/:key
+  async streamAudio(req: Request, res: Response) {
+    const { fileName: key } = req.params as { fileName: string };
+    const range = req.headers.range as string | undefined;
+    if (!key) return res.status(400).send("Missing file key");
 
-        try {
-            const result = await this.streamService.streamFromS3({ key, range });
-            res.writeHead(result.status, result.headers);
-            result.body.pipe(res);
-        } catch (err: any) {
-            const message = err?.message || 'Error streaming audio';
-            const status = err?.statusCode || 500;
-            res.status(status).send(message);
-        }
+    try {
+      this.logger.info(
+        `Attempting to stream file: ${key}, range: ${range || "none"}`,
+      );
+      const result = await this.streamService.streamFromS3({ key, range });
+      this.logger.info(
+        `Streaming successful for ${key}, status: ${result.status}, content-length: ${result.headers["Content-Length"]}`,
+      );
+      res.writeHead(result.status, result.headers);
+      result.body.pipe(res);
+    } catch (err: any) {
+      this.logger.error({ err, key }, `Error streaming audio file ${key}`);
+      const message = err?.message || "Error streaming audio";
+      const status = err?.statusCode || 500;
+      res.status(status).send(message);
     }
-}
+  }
+}