implemented bulk deletion of cases

backend/routes/cases/bulkDelete.js

@@ -0,0 +1,25 @@
+const express = require("express");
+const router = express.Router();
+const defineCase = require("../../models/cases");
+const { DataTypes } = require("sequelize");
+
+module.exports = function (sequelize) {
+  const Case = defineCase(sequelize, DataTypes);
+
+  router.post("/bulkdelete", async (req, res) => {
+    const { caseIds } = req.body;
+    if (!caseIds || !Array.isArray(caseIds)) {
+      return res.status(400).send("Invalid caseIds array");
+    }
+
+    try {
+      await Case.destroy({ where: { id: caseIds } });
+      res.status(204).send();
+    } catch (error) {
+      console.error(error);
+      res.status(500).send("Internal Server Error");
+    }
+  });
+
+  return router;
+};