add flash message using noty js

Author: harsh1206

config/middleware.js

@@ -0,0 +1,14 @@
+module.exports.setFlash=function(req,res,next){
+
+   res.locals.flash = {
+
+    'success' : req.flash('success'),
+    'error' : req.flash('error')
+   }
+    console.log(res.locals.flash);
+
+   next();
+
+}
+
+//run it u th

config/passport-local-strategy.js

@@ -7,18 +7,19 @@ const User = require('../models/user');
 
 // authentication using passport
 passport.use(new LocalStrategy({
-        usernameField: 'email'
+        usernameField: 'email',
+        passReqToCallback:true
     },
-    function(email, password, done){
+    function(req,email, password, done){
         // find a user and establish the identity
         User.findOne({email: email}, function(err, user)  {
             if (err){
-                console.log('Error in finding user --> Passport');
+                req.flash('error',err);
                 return done(err);
             }
 
             if (!user || user.password != password){
-                console.log('Invalid Username/Password');
+                req.flash('error','Invalid Username/Password');
                 return done(null, false);
             }
 

controllers/home_controller.js

@@ -3,51 +3,40 @@ const Post = require('../models/posts');
 const User=require('../models/user');
 
 
-module.exports.home = function(req, res){
+module.exports.home =async function(req, res){
 
-    //   Posts.find({},function(err,posts){
-            
-    //     if(err){
-    //        console.log('error in fetchhing posts')
-    //        return;
-    //     }
-        
-    //     return res.render('home',{
-             
-    //         title:"Home",
-    //         posts:posts
-
-    //     });
-               
-    //   });
+
+    try{
 
     // POpulate the user of each post 
 
-      Post.find({})
+      let posts=await Post.find({})
       .populate('user')
       .populate({
         path:'comments',
         populate:{
           path:'user'
         }
-      })
-      .exec(function(err,posts){
-          
-        User.find({},function(err,users){
-        return res.render('home',{
-           
-            all_users:users,
-            title:"Home",
-            posts:posts
-
-        });  
-        
-       });
-         
+      });
+    
+    
+    let users=await User.find({});
 
-      })
 
-}
+      return res.render('home',{
+         
+          all_users:users,
+          title:"Home",
+          posts:posts
+
+      }); 
+      
+      }catch(err){
+        console.log('Error',err);
+        return;
+      }
+     
+     }
 
 
 

controllers/posts_controller.js

@@ -1,40 +1,56 @@
 const Post=require('../models/posts');
 const Comment=require('../models/comment');
 
-module.exports.create=function(req,res){
+module.exports.create=async function(req,res){
+    
+    try{
 
-     Post.create({
+     await Post.create({
          content:req.body.content,
          user:req.user._id
-     },function(err,post){
-       
-        if(err){console.log('error in creating a post');return}
+     });
 
-         return res.redirect('back');  
-     })
+     req.flash('success','Post published');
+     return res.redirect('back');
+    }
+    catch(err){
+        req.flash('error',err);
+        console.log('Error',err);
+         return res.redirect('back');
+    }
 
 }
 
-module.exports.destroy =function(req,res){
+module.exports.destroy =async function(req,res){
 
-    Post.findById(req.params.id,function(err,post){
+     try{
+         let post= await Post.findById(req.params.id);
+
+       //  .id means converting the objject id into the string
+       if(post.user==req.user.id)
+       {
+          post.remove();
+          
+          
+          await Comment.deleteMany({post:req.params.id});
+          req.flash('success','Post deleted');
+          
+          return res.redirect('back')
+       
+       }
+       else{
+        req.flash('error','YOu cannot delete this post');
+           return res.redirect('back');
+       }
+       
+    }catch(err){
+        req.flash('error',err);
+        console.log('Error',err);
+        return res.redirect('back');
+    }
 
-        //  .id means converting the objject id into the string
-        if(post.user==req.user.id)
-        {
-           post.remove();
+     
+   
 
-           Comment.deleteMany({post:req.params.id},function(err){
-              
-               return res.redirect('back');
-             
-           })
-        
-        }
-        else{
-            return res.redirect('back');
-        }
-           
-    });
+}
 
-}

controllers/users_controller.js

@@ -30,7 +30,7 @@ module.exports.signUp=function(req,res){
 
     if(req.isAuthenticated())
     {
-        return res.redirect('/users/profile');
+        return res.redirect('/users/sign-up');
     }  
 
     return res.render('user_sign_up',{
@@ -67,19 +67,17 @@ module.exports.create=function(req,res){
 
       if(err)
       {
-          console.log('error in finding user in signing up',err);
-          return;
+        req.flash('error', err); return
       }
 
       if(!user)
       {
           User.create(req.body,function(err,user){
 
              if(err){
-                 console.log('error in creating a user',err);
-                 return;
+                req.flash('error', err); return
              }
-
+             req.flash('success', 'You have signed up, login to continue!');
              return res.redirect('/users/sign-in');
 
           })
@@ -96,13 +94,20 @@ module.exports.create=function(req,res){
 // sign in and create a session for user 
 module.exports.createSession=function(req,res){
 
+    
+    req.flash('success','Logged in Successfully');
+
     return res.redirect('/');
 
 }
 
 module.exports.desstroySession=function(req,res){
 
+    
+    req.flash('success','You have logged out !');  
+    console.log(req.flash);
     req.logout();
 
+
     return res.redirect('/');
 }

index.js

@@ -10,6 +10,8 @@ const passport = require('passport');
 const passportLocal = require('./config/passport-local-strategy');
 const MongoStore=require('connect-mongo')(session);
 const sassMiddleware=require('node-sass-middleware');
+const flash = require('connect-flash');
+const customMware=require('./config/middleware');
 
 app.use(sassMiddleware({
 
@@ -20,7 +22,7 @@ app.use(sassMiddleware({
         prefix:'/css'
 }));
 
-
+// escalating your doubt ok
 app.use(express.urlencoded());
 
 app.use(cookieParser());
@@ -49,7 +51,8 @@ app.use(session({
     saveUninitialized: false,
     resave: false,
     cookie: {
-        maxAge: (1000 * 60 * 100)
+        maxAge: (1000 * 60 * 100),
+    
     },
     store:new MongoStore({
 
@@ -67,14 +70,22 @@ app.use(passport.session());
 
 app.use(passport.setAuthentictaedUser);
 
+app.use(flash());
+app.use(customMware.setFlash);
+
+
+
 // use express router
 app.use('/', require('./routes'));
 
 
+
+
 app.listen(port, function(err){
     if (err){
         console.log(`Error in running the server: ${err}`);
     }
 
     console.log(`Server is running on port: ${port}`);
 });
+//k