FINAL FIX

src/controllers/reportController.js

@@ -68,4 +68,37 @@ exports.getReportByUserId = async (req, res, next) => {
     } catch (error) {
         next(error);
     }
+};
+
+exports.getReportByRoomId = async (req, res, next) => {
+    try {
+        await classifyAndGenerateCSVReport();
+        const request = req.params.roomId;
+        
+        const data = await Message.find({ 'room': request });
+        if (data) {
+            const reportDto = new ReportDto(data);
+
+            const fields = Object.keys(reportDto);
+            const csv = new Parser({ fields }).parse(reportDto);
+
+            const fileName = 'report.csv';
+
+            fs.writeFileSync(fileName, csv);
+
+            res.setHeader('Content-Type', 'text/csv');
+            res.download(fileName, fileName, (err) => {
+                if (err) {
+                    res.status(500).send('Erro ao baixar o arquivo.');
+                }
+                fs.unlinkSync(fileName);
+            });
+        } else {
+            return res.status(404).json({ message: `Report not found by Id: ${request}` });
+        }
+
+    } catch (error) {
+        next(error);
+    }
+    
 };
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src/routes/reportRoutes.js

@@ -5,5 +5,6 @@ const reportController = require('../controllers/reportController');
 
 router.get('/', reportController.getAllReports);
 router.get('/:senderId', reportController.getReportByUserId);
+router.get('/room/:roomId', reportController.getReportByRoomId);
 
 module.exports = router;
\ No newline at end of file