Add discussion APIs

backend/controllers/discussionController.js

@@ -0,0 +1,90 @@
+// controllers/discussionController.js
+
+const Post = require("../model/post");
+const Comment = require("../model/comment");
+const User = require("../model/user");
+
+// Controller to create a new post
+exports.createPost = async (req, res) => {
+  try {
+    const { content, images, author } = req.body;
+    // const author = req.user._id; // Assuming user is authenticated
+
+    const post = new Post({
+      content,
+      images,
+      author,
+    });
+
+    await post.save();
+    res.status(201).json({ message: "Post created successfully", post });
+  } catch (error) {
+    res.status(500).json({ error: "Failed to create post" });
+  }
+};
+
+// Controller to add a comment to a post
+exports.addComment = async (req, res) => {
+  try {
+    const { content, author } = req.body;
+    // const author = req.user._id;
+    const { postId } = req.params;
+
+    const comment = new Comment({
+      content,
+      author,
+      post: postId,
+    });
+
+    await comment.save();
+
+    // Add comment to the post's comments array
+    await Post.findByIdAndUpdate(postId, { $push: { comments: comment._id } });
+
+    res.status(201).json({ message: "Comment added successfully", comment });
+  } catch (error) {
+    res.status(500).json({ error: "Failed to add comment" });
+  }
+};
+
+// Controller to retrieve all posts with their comments
+exports.getPostsWithComments = async (req, res) => {
+  try {
+    const posts = await Post.find()
+      .populate("author", "firstName lastName")
+      .populate({
+        path: "comments",
+        populate: { path: "author", select: "firstName lastName" },
+      })
+      .exec();
+
+    res.status(200).json(posts);
+  } catch (error) {
+    res.status(500).json({ error: "Failed to retrieve posts" });
+  }
+};
+
+exports.getSinglePostWithComments = async (req, res) => {
+  try {
+    const { postId } = req.params;
+
+    const post = await Post.findById(postId)
+      .populate("author", "firstName lastName")
+      .populate({
+        path: "comments",
+        populate: {
+          path: "author",
+          select: "firstName lastName",
+        },
+      });
+
+    if (!post) {
+      return res.status(404).json({ error: "Post not found" });
+    }
+
+    res.status(200).json(post);
+  } catch (error) {
+    console.error("Error fetching post with comments:", error);
+    res.status(500).json({ error: "Server error" });
+  }
+};

backend/index.js

@@ -8,7 +8,11 @@ const contactRoutes = require('./routes/Contactroute');
 const shopRoutes = require('./routes/shop')
 const googleauth = require('./routes/googleauth')
 const agriProductRoutes = require('./routes/agriProductRoutes');
+
+const discussionRoutes = require('./routes/discussionRoutes');
+
 const  rentProductRoutes = require('./routes/rent/rentProductRoutes');
+
 const { sendEmail } = require('./services/emailService');
 const session = require('express-session');
 const passport = require('passport');
@@ -50,6 +54,7 @@ app.use('/api', contactRoutes);
 app.use('/api', shopRoutes);
 app.use('/api', rentProductRoutes);
 app.use('/api', userRoutes); 
+app.use('/api/discussions', discussionRoutes);
 app.use('/api/products', agriProductRoutes);
 
 

backend/model/comment.js

@@ -0,0 +1,12 @@
+// models/Comment.js
+
+const mongoose = require('mongoose');
+
+const commentSchema = new mongoose.Schema({
+  content: { type: String, required: true },
+  author: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true }, // Reference to User (farmer)
+  post: { type: mongoose.Schema.Types.ObjectId, ref: 'Post', required: true }, // Reference to Post
+  createdAt: { type: Date, default: Date.now },
+});
+
+module.exports = mongoose.model('Comment', commentSchema);

backend/model/post.js

@@ -0,0 +1,13 @@
+// models/Post.js
+
+const mongoose = require('mongoose');
+
+const postSchema = new mongoose.Schema({
+  content: { type: String, required: true },
+  images: [{ type: String }], // Array to store URLs for uploaded images
+  author: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true }, // Reference to User (farmer)
+  comments: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Comment' }], // Array of references to Comment model
+  createdAt: { type: Date, default: Date.now },
+});
+
+module.exports = mongoose.model('Post', postSchema);

backend/routes/discussionRoutes.js

@@ -0,0 +1,19 @@
+// routes/discussionRoutes.js
+
+const express = require('express');
+const { createPost, addComment, getPostsWithComments,getSinglePostWithComments } = require('../controllers/discussionController');
+const router = express.Router();
+
+// Route to create a new post
+router.post('/posts', createPost);
+
+// Route to add a comment to a post
+router.post('/posts/:postId/comments', addComment);
+
+// Route to retrieve all posts with their comments
+router.get('/posts', getPostsWithComments);
+
+router.get('/post/:postId', getSinglePostWithComments);
+
+
+module.exports = router;