final changes

backend/models/Program.js

@@ -0,0 +1,26 @@
+const express = require("express");
+const {
+  getAllDepartmentEmails,
+  getDepartmentsByProgram,
+  getEmailsByDepartment,
+  updateDepartmentEmails,
+  createDepartment,
+  deleteDepartment,
+} = require("../controllers/departmentController");
+
+const router = express.Router();
+
+router.get("/programs", async (req, res) => {
+  const Program = require("../models/Program");
+  const programs = await Program.find();
+  res.json(programs);
+});
+
+router.get("/departments/:program", getDepartmentsByProgram);
+router.get("/department-emails/:department", getEmailsByDepartment);
+router.get("/department-emails", getAllDepartmentEmails);
+router.put("/department-emails/:department", updateDepartmentEmails);
+router.post("/department-emails", createDepartment);
+router.delete("/department-emails/:department", deleteDepartment);
+
+module.exports = router;