Add comment retrieval and deletion routes with documentation

backend/routes/api/comments.js

@@ -1,5 +1,52 @@
+/**
+ * Express router providing comment related routes.
+ * @module routes/api/comments
+ */
+
 const router = require("express").Router();
 const mongoose = require("mongoose");
 const Comment = mongoose.model("Comment");
 
+/**
+ * Get all comments.
+ * @name GET /
+ * @function
+ * @memberof module:routes/api/comments
+ * @inner
+ * @param {Object} req - Express request object
+ * @param {Object} res - Express response object
+ * @returns {JSON} - A JSON array of comments
+ */
+
+/**
+ * Delete a comment by ID.
+ * @name DELETE /:commentId
+ * @function
+ * @memberof module:routes/api/comments
+ * @inner
+ * @param {Object} req - Express request object
+ * @param {Object} res - Express response object
+ * @returns {StatusCode} 204 - No Content
+ */
+
 module.exports = router;
+
+router.get("/", async (req, res) => {
+    try {
+        const comments = await Comment.find();
+        res.json(comments);
+    } catch (err) {
+        console.error(err);
+        res.status(500).send("Internal Server Error");
+    }
+});
+
+router.delete("/:commentId", async (req, res) => {
+    try {
+        await Comment.findByIdAndRemove(req.params.commentId);
+        res.sendStatus(204);
+    } catch (err) {
+        console.error(err);
+        res.status(500).send("Internal Server Error");
+    }
+});