Add comment-related API routes

backend/routes/api/comments.js

@@ -1,5 +1,48 @@
+/**
+ * Express router for handling comment-related API routes.
+ * @module routes/api/comments
+ */
+
 const router = require("express").Router();
 const mongoose = require("mongoose");
 const Comment = mongoose.model("Comment");
 
 module.exports = router;
+
+/**
+ * Route for retrieving all comments.
+ * @name GET /api/comments
+ * @function
+ * @async
+ * @param {Object} req - Express request object
+ * @param {Object} res - Express response object
+ * @param {Function} next - Express next middleware function
+ * @returns {Object} - JSON response containing the retrieved comments
+ */
+router.get("/", async (req, res, next) => {
+    try {
+        const comments = await Comment.find();
+        return res.json({ comments: comments });
+    } catch (error) {
+        next(error);
+    }
+});
+
+/**
+ * Route for deleting a comment by its ID.
+ * @name DELETE /api/comments/:id
+ * @function
+ * @async
+ * @param {Object} req - Express request object
+ * @param {Object} res - Express response object
+ * @param {Function} next - Express next middleware function
+ * @returns {Object} - HTTP response with status 200 if successful
+ */
+router.delete("/:id", async (req, res, next) => {
+    try {
+        await Comment.findByIdAndDelete(req.params.id);
+        return res.sendStatus(200);
+    } catch (error) {
+        next(error);
+    }
+});