create update page functionality

real_estate/client/src/App.jsx

@@ -7,6 +7,7 @@ import {Profile} from './pages/Profile'
 import Navbar from './components/Navbar'
 import PrivateRoute from './components/PrivateRoute'
 import CreatListing from './pages/CreatListing'
+import UpdateListing from './pages/UpdateListing'
 
 
 const App = () => {
@@ -18,6 +19,7 @@ const App = () => {
         <Route element={<PrivateRoute/>}>
           <Route path='/profile' element={<Profile/>}/>
           <Route path='/createListing' element={<CreatListing/>}/>
+          <Route path='/updateListing/:listingId' element={<UpdateListing/>}/>
         </Route>
         <Route path='/login' element={<Login/>}/>
         <Route path='/signup' element={<SignUp/>}/>

real_estate/client/src/pages/Profile.jsx

@@ -122,7 +122,24 @@ export const Profile = () => {
       setUserListingsError(true);
     }
   };
+  //delete user listing functionality
+  const handleListingDelete = async (listingId) => {
+    try {
+      const res = await fetch(`/server/listing/delete/${listingId}`, {
+        method: 'DELETE'
+      });
+      const data = await res.json();
+      if(data.success === false){
+        return;
+      }
+      setUserListings((prev) =>
+        prev.filter((listing) => listing._id !== listingId)
+      )
 
+    } catch (error) {
+      console.log(error.message)
+    }
+  };
 
 
   return (
@@ -165,8 +182,8 @@ export const Profile = () => {
             <p>{listing.name}</p>
           </Link>
           <div className="flex gap-4">
-            <button className='text-red-700'><FaRegTrashAlt/></button>
-            <button className='text-green-700'><BiEdit/></button>
+            <button onClick={() => handleListingDelete(listing._id)} className='text-red-700'><FaRegTrashAlt/></button>
+            <Link to={`/updateListing/${listing._id}`}><button className='text-green-700'><BiEdit/></button></Link>
           </div>
         </div>
       ))}

real_estate/client/src/pages/UpdateListing.jsx

@@ -0,0 +1,215 @@
+import { useEffect, useState } from "react"
+import {getDownloadURL, getStorage, ref, uploadBytesResumable} from 'firebase/storage'
+import {app} from '../firebase'
+import {useSelector} from 'react-redux'
+import {useNavigate, useParams} from 'react-router-dom' 
+
+
+const UpdateListing = () => {
+    const {currentUser} = useSelector((state) => state.user)
+    const navigate =useNavigate();
+    const params = useParams();
+    const [files, setFiles] = useState([]);
+    const [formData, setFormData] = useState({
+        imageUrls: [],
+        name: '',
+        description: '',
+        address: '',
+        type: 'rent',
+        bed: 1,
+        bath: 1,
+        currentPrice: 100,
+        discountPrice: 0,
+        offer: false,
+        parking: false,
+        furnished: false,
+    });
+    const [imageUploadError, setImageUploadError] = useState(false);
+    const [upload, setUpload] = useState(false);
+    const [error, setError] = useState(false);
+    const [loading, setLoading] = useState(false);
+    useEffect(() => {
+       const fetchListing = async() => {
+        const listingId = params.listingId;
+        const res = await fetch(`/server/listing/get/${listingId}`);
+        const data = await res.json();
+        if(data.success === false){
+            setError(data.message);
+            return;
+        }
+        setFormData(data);
+       };
+       fetchListing(); 
+    }, []);
+
+    const handleImageSubmit = (e) => {
+        if(files.length > 0 && files.length + formData.imageUrls.length < 11){
+            setUpload(true);
+            setImageUploadError(false);
+
+            const promises = [];
+            for(let i = 0; i < files.length; i++){
+                promises.push(storeImage(files[i]));
+            }
+            Promise.all(promises).then((urls) => {
+                setFormData({...formData, imageUrls: formData.imageUrls.concat(urls), 
+                });
+                setImageUploadError(false);
+                setUpload(false);
+            }).catch((error) => {
+                setImageUploadError('Image upload failed (2mb max per image)');
+                setUpload(false);
+            });
+        }else{
+            setImageUploadError('You can upload maximum 10 images');
+            setUpload(false);
+        }
+    };
+    const storeImage = async(file) => {
+        return new Promise((resolve, reject) => {
+            const storage = getStorage(app);
+            const fileName = new Date().getTime() + file.name
+            const storageRef = ref(storage, fileName);
+            const uploadTask = uploadBytesResumable(storageRef, file);
+            uploadTask.on(
+                "state_changed",(snapshot) => {
+                    const progress = (snapshot.bytesTransferred / snapshot.totalBytes) * 100;
+                    console.log(`Upload is ${progress}% done`)
+                },
+                (error) => {
+                    reject(error);
+                },
+                () => {
+                    getDownloadURL(uploadTask.snapshot.ref).then((downloadURL) => {
+                        resolve(downloadURL)
+                    });
+                }
+            );
+        });
+    };
+    const handleDeleteImage = (index) => {
+        setFormData({...formData, imageUrls: formData.imageUrls.filter((_, i) => i !== index),
+        });
+    };
+    const handleChange = (e) => {
+        if (e.target.id === 'sale' || e.target.id === 'rent') {
+            setFormData({...formData, type: e.target.id, });
+        }
+        if(e.target.id === 'parking' || e.target.id === 'furnished' || e.target.id === 'offer'){
+            setFormData({...formData, [e.target.id]: e.target.checked, });
+        }
+        if(e.target.type === 'number' || e.target.type === 'text' || e.target.type === 'textarea'){
+            setFormData({...formData, [e.target.id]: e.target.value, });
+        }
+    };
+    const handleSubmit = async (e) => {
+        e.preventDefault();
+        try {
+            if(formData.imageUrls.length < 1) 
+                return setError('You need to upload at least one image');
+            if (+formData.currentPrice < +formData.discountPrice)
+                return setError('Discount must be lower than your current price');
+
+            setLoading(true);
+            setError(false);
+            const res = await fetch(`/server/listing/update/${params.listingId}`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({...formData, userRef: currentUser._id,}),
+            });
+            const data = await res.json();
+            setLoading(false);
+            if(data.success === false){
+                setError(data.message)
+            }
+            navigate(`/listing/${data._id}`)
+        } catch (error) {
+           setError(error.message);
+           setLoading(false); 
+           
+        }
+    }
+
+  return (
+    <div className="p-3 max-w-4xl mx-auto">
+        <h1 className="text-2xl uppercase text-center text-blue-900 font-serif my-10 tracking-wide">Update a listing</h1>
+        <form onSubmit={handleSubmit} className="flex flex-col sm:flex-row gap-4"> 
+            <div className="flex flex-col flex-1 gap-4">
+                <input type="text" placeholder="Title" onChange={handleChange} value={formData.name} id="name" className='border p-2 rounded-md text-sm ' maxLength='62' minLength='10' required/>
+                <textarea type="text" placeholder="Description" onChange={handleChange} value={formData.description} id="description" className='border p-2 rounded-md text-sm resize-none' required/>
+                <input type="text" placeholder="Address" onChange={handleChange} value={formData.address} id="address" className='border p-2 rounded-md text-sm ' required/>
+                <div className="flex gap-4 flex-wrap text-sm">
+                    <div className="flex gap-2">
+                        <input type="checkbox" onChange={handleChange} checked={formData.type === "sale"} id="sale" className="w-4"/>
+                        <span>Sell</span>
+                    </div>
+                    <div className="flex gap-2">
+                        <input type="checkbox" onChange={handleChange} checked={formData.type === "rent"} id="rent" className="w-4"/>
+                        <span>Rent</span>
+                    </div>
+                    <div className="flex gap-2">
+                        <input type="checkbox" onChange={handleChange} checked={formData.parking} id="parking" className="w-4"/>
+                        <span>Garage</span>
+                    </div>
+                    <div className="flex gap-2">
+                        <input type="checkbox" onChange={handleChange} checked={formData.furnished} id="furnished" className="w-4"/>
+                        <span>Furnished</span>
+                    </div>
+                    <div className="flex gap-2">
+                        <input type="checkbox" onChange={handleChange} checked={formData.offer} id="offer" className="w-4"/>
+                        <span>Offer</span>
+                    </div>
+                </div>
+                <div className=" flex flex-wrap gap-6 text-sm">
+                    <div className="flex gap-2 items-center">
+                        <input type='number' onChange={handleChange} value={formData.bed} id="bed" min='1' required className="p-2 border border-gray-500 rounded-lg w-20"/>
+                        <p>Beds</p>
+                    </div>
+                    <div className="flex gap-2 items-center">
+                        <input type='number' onChange={handleChange} value={formData.bath} id="bath" min='1' required className="p-2 border border-gray-500 rounded-lg w-20"/>
+                        <p>Baths</p>
+                    </div>
+                    <div className="flex gap-2 items-center">
+                        <input type='number' onChange={handleChange} value={formData.currentPrice} id="currentPrice" min='100' max='10000000' required className="p-2 border border-gray-500 rounded-lg [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"/>
+                        <div className="flex flex-col items-center">
+                           <p>Current price</p>
+                           <span className="text-xs">($ per mounth)</span> 
+                        </div>
+                    </div>
+                    {formData.offer && (
+                        <div className="flex gap-2 items-center">
+                            <input type='number' onChange={handleChange} value={formData.discountPrice} id="discountPrice" min='0' max='10000000' required className="p-2 border border-gray-500 rounded-lg [appearance:textfield] [&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none"/>
+                            <div className="flex flex-col items-center">
+                            <p>Discounted price</p> 
+                            <span className="text-xs">($ per mounth)</span>
+                            </div>
+                        </div>
+                    )}
+                </div>
+            </div>
+            <div className="flex flex-col flex-1 gap-4">
+                <p className="font-semibold">Images: <span className="font-normal text-gray-500 ml-2">You can upload maximum 10 images</span></p>
+                <div className="flex gap-4">
+                    <input type="file" multiple accept="image/*" onChange={(e) => setFiles(e.target.files)} id="images" className="p-2 border border-gray-300 rounded w-full"/>
+                    <button disabled={loading} type='button' onClick={handleImageSubmit} className="p-2 text-grenn-900 text-xs tracking-wider border border-blue-800 rounded uppercase hover:bg-blue-100 hover:border-blue-300 disabled:opacity-80">{upload ? 'Uploading...' : 'Upload'}</button>
+                </div>
+                <p className="text-red-700 text-sm self-center">{imageUploadError && imageUploadError}</p>
+                {
+                    formData.imageUrls.length > 0 && formData.imageUrls.map((url, index) => (
+                        <div key={url} className="flex justify-between p-2 border items-center">
+                            <img src={url} alt="" className="w-14 h-14 rounded-md object-contain"/>
+                            <button type="button" onClick={() => handleDeleteImage (index)} className="p-2 text-red-700 text-xs rounded-lg uppercase hover:opacity-80">Delete</button>
+                        </div>
+                    ))
+                }
+                <button disabled={loading || upload} className="p-2 bg-blue-950 text-white text-sm font-semibold rounded-md uppercase hover:opacity-95 disabled:bg-opacity-80">{loading ? 'Updating...' : 'Update listing'}</button>
+                { error && <p className="text-red-700 text-sm">{error}</p>}
+            </div>  
+        </form>
+    </div>
+  )
+}
+
+export default UpdateListing

real_estate/server/controllers/listing.controller.js

@@ -1,4 +1,5 @@
 import Listing from "../models/listing.model.js";
+import { errorHandler } from "../utils/error.js";
 
 export const createListing = async (req, res, next) => {
     try {
@@ -7,4 +8,52 @@ export const createListing = async (req, res, next) => {
     } catch (error) {
         next(error)
     }
+};
+
+export const deleteListing = async (req, res, next) => {
+    const listing = await Listing.findById(req.params.id);
+    if(!listing){
+        return next(errorHandler(404, 'Listing not found'));
+    }
+    if (req.user.id !== listing.userRef){
+        return next(errorHandler(401, 'You can only delete your own listings'));
+    }
+    try{
+        await Listing.findByIdAndDelete(req.params.id);
+        res.status(200).json('Listing has been deleted');
+    } catch (error){
+        next(error);
+    }
+};
+
+export const updateListing = async (req, res, next) => {
+    const listing = await Listing.findById(req.params.id);
+    if(!listing){
+      return next(errorHandler(404, 'Listing not found'));
+    }
+    if(req.user.id !== listing.userRef){
+      return next(errorHandler(401, 'You can only update your listings'));
+    }
+    try{
+      const updatedListing = await Listing.findByIdAndUpdate(
+        req.params.id,
+        req.body,
+        {new: true}
+      );
+      res.status(200).json(updatedListing);
+    }catch(error){
+        next(error);
+    }
+};
+
+export const getListing = async (req, res, next) => {
+    try {
+        const listing = await Listing.findById(req.params.id);
+        if(!listing){
+            return next(errorHandler(404, 'Listing not found'));
+        }
+        res.status(200).json(listing);
+    } catch (error) {
+       next(error); 
+    }
 }

real_estate/server/routes/listing.route.js

@@ -1,10 +1,13 @@
 import express from 'express';
-import { createListing } from '../controllers/listing.controller.js';
+import { createListing, deleteListing, updateListing, getListing } from '../controllers/listing.controller.js';
 import { verifyToken } from '../utils/verifyUser.js';
 
 
 const router = express.Router();
 
-router.post('/create', verifyToken,createListing)
+router.post('/create', verifyToken, createListing)
+router.delete('/delete/:id', verifyToken, deleteListing)
+router.post('/update/:id', verifyToken, updateListing)
+router.get('/get/:id', getListing)
 
 export default router;