Users can make comments on posts

controllers/posts.js

@@ -1,5 +1,6 @@
 const cloudinary = require("../middleware/cloudinary");
 const Post = require("../models/Post");
+const Comment = require("../models/Comment");
 
 module.exports = {
   getProfile: async (req, res) => {
@@ -21,7 +22,8 @@ module.exports = {
   getPost: async (req, res) => {
     try {
       const post = await Post.findById(req.params.id);
-      res.render("post.ejs", { post: post, user: req.user });
+      const comments = await Comment.find({post: req.params.id}).sort({createdAt: "desc"}).lean()
+      res.render("post.ejs", { post: post, user: req.user, comments: comments });
     } catch (err) {
       console.log(err);
     }
@@ -73,4 +75,17 @@ module.exports = {
       res.redirect("/profile");
     }
   },
+  createComment: async (req, res) => {
+    try {
+
+      await Comment.create({
+        comment: req.body.comment,
+        post: req.params.id,
+      });
+      console.log("Comment has been added!");
+      res.redirect("/post/"+req.params.id);
+    } catch (err) {
+      console.log(err);
+    }
+  }
 };

models/Comment.js

@@ -0,0 +1,18 @@
+const mongoose = require("mongoose");
+
+const CommentSchema = new mongoose.Schema({
+  comment: {
+    type: String,
+    required: true,
+  },
+  post: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: "Post",
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now,
+  },
+});
+
+module.exports = mongoose.model("Comment", CommentSchema);

routes/posts.js

@@ -13,4 +13,6 @@ router.put("/likePost/:id", postsController.likePost);
 
 router.delete("/deletePost/:id", postsController.deletePost);
 
+router.post("/createComment/:id", postsController.createComment)
+
 module.exports = router;

views/post.ejs

@@ -22,6 +22,24 @@
           <button class="btn btn-primary fa fa-trash" type="submit"></button>
         </form>
         <%}%>
+        <h3>Comments:</h3>
+        <ul>
+          <% for(var i=0; i<comments.length; i++) {%>
+            <li class="col-6 justify-content-between mt-5">
+              <%= comments[i].comment%>
+            </li>
+          <% } %>
+        </ul>
+        <div class="mt-5">
+          <h2>Add a comment</h2>
+          <form action="/post/createComment/<%=post._id%>" method="POST">
+            <div class="mb-3">
+              <label for="caption" class="form-label">Comment</label>
+              <textarea class="form-control" id="caption" name="comment"></textarea>
+            </div>
+            <button type="submit" class="btn btn-primary">Submit</button>
+          </form>
+        </div>
       </div>
     </div>
     <div class="col-3 mt-5">