added relationship, validation,paging errors and file uploading

my-todolist/app.js

@@ -1,19 +1,29 @@
 var express = require('express');
+var multer=require('multer');
 var session = require('cookie-session'); // Loads the piece of middleware for sessions
 var bodyParser = require('body-parser');// Loads the piece of middleware for managing the settings
 var mongoose=require('mongoose');
+var validator=require('validator');
+var fs= require('fs');
 mongoose.connect('mongodb://localhost:27017/test');
 var urlencodedParser = bodyParser.urlencoded({ extended: false });
 //var fs = require('fs');
 var app = express();
 var Task=require('./model/task');
+var Step=require('./model/step');
+//console.log(Step);
 var router=express.Router();
+var ObjectId = require('mongodb').ObjectID;
 // var buf = new Buffer(1024);
 var id,id1=0;
  var arr=[],arr1=[],arr2=[],array1=[],array=[];
- var myo=new Object();
+ var gfs;
+ //var myo=new Object();
 /* If there is no to do list in the session, 
 we create an empty one in the form of an array before continuing */
+app.use('/uploads',express.static(__dirname+"/upload"));
+var upload=multer({dest:"./uploads/"}).array('name',1);
+
 app.use(function(req, res, next){
     arr=[];
     arr1=[];
@@ -30,22 +40,21 @@ app.use(function(req, res, next){
     }
 
     next();
-})
-
-/* The to do list and the form are displayed */
-router.get('/todo', function(req, res) {
-Task.find({},"-_id Todo",function(err,task){
-    arr=task;
-    for (var i in arr)
-    {
-        //console.log(arr[i]);
-        var myo=new Object();
-        myo=arr[i];
-        arr1[i]=myo.Todo;
-        //console.log(myo.Todo);
-    }
-   //console.log(arr[1]);
-}).limit(10);
+});
+function addme(n,m,res)
+{
+    Task.find({},"-_id Todo",function(err,task){
+        arr=task;
+        for (var i in arr)
+        {
+            //console.log(arr[i]);
+            var myo=new Object();
+            myo=arr[i];
+            arr1[i]=myo.Todo;
+            //console.log(myo.Todo);
+        }
+        //console.log(arr[1]);
+    }).skip(n).limit(m);
     Task.find({},"-_id Memberassigned",function(err,task){
         arr=task;
         for (var i in arr)
@@ -56,9 +65,9 @@ Task.find({},"-_id Todo",function(err,task){
             array1[i]=myo.Memberassigned;
             //console.log(myo.Todo);
         }
-       // res.json(task);
+        // res.json(task);
         //array1=task
-    }).limit(10);
+    }).skip(n).limit(m);
     Task.find({},"_id",function(err,task){
         arr=task;
         for (var i in arr)
@@ -72,6 +81,7 @@ Task.find({},"-_id Todo",function(err,task){
         // res.json(task);
         //array1=task
     });
+
     Task.find({},"-_id Priority",function(err,task){
 
         arr=task;
@@ -83,62 +93,158 @@ Task.find({},"-_id Todo",function(err,task){
             arr2[i]=myo.Priority;
             //console.log(myo.Todo);
         }
-    }).sort({KEY:-1}).limit(10);
+    }).sort({KEY:1}).skip(n).limit(m);
+
+    Step.find({},"-_id Steps",function(err,step){
+        arr=step.Steps;
+        //console.log(arr);
+        });
     res.render('todo.ejs',{todolist:arr1, priority: array1, member:arr2,index:array});
+}
+/*router.get('/file/:id',function(req,res){
+    var pic_id = req.param('id');
+    var gfs = req.gfs;
+
+    gfs.files.find({filename: pic_id}).toArray(function (err, files) {
+
+        if (err) {
+            res.json(err);
+        }
+        if (files.length > 0) {
+            var mime = 'image/jpeg';
+            res.set('Content-Type', mime);
+            var read_stream = gfs.createReadStream({filename: pic_id});
+            read_stream.pipe(res);
+        } else {
+            res.json('File Not Found');
+        }
+    });
+});*/
+// router.all('/upload',function(req,res){
+//     var dirname=require('path').dirname(__dirname);
+//     var filename=req.files.file.name;
+//     var type=req.files.file.mimetype;
+//     var read_stream=fs.creeateReadStream(dirname+'/'+path);
+//     var conn=req.conn;
+//     var Grid=require('gridfs-stream');
+//     Grid.mongo=mongoose.mongo;
+//     gfs=Grid(conn.db);
+//     var writestream=gfs.createWriteStream({
+//         filename:filename
+//     });
+//     read_stream.pipe(writestream);
+// });
+/* The to do list and the form are displayed */
+router.get('/todo', function(req, res) {
+addme(0,10,res);
 });
-    router.get('/todo1', function(req, res) {
+router.get('/todo/2', function(req, res) {
+    addme(10,10,res);
+});
+router.get('/todo/3', function(req, res) {
+    addme(20,10,res);
+});
+router.get('/todo1', function(req, res) {
         res.render('todo1.ejs');
     });
 /* Adding an item to the to do list */
 router.post('/todo/add/', urlencodedParser, function(req, res) {
+
+    //console.log(step);
     if (req.body.newtodo != '') {
+       // for(var i in req.body.)
         var task = new Task();
+        var step= new Step();
+
+        //console.log(req.body.hid);
+        for (var i in req.body.hid)
+        {
+            var a=req.body.Step;
+            //console.log(req.body.Step);
+            step.Steps=a;
+            //step.Todo=task.Todo;
+        }
         task.Todo = req.body.newtodo;
+        console.log(req.body.newtodo);
+        task.File=req.body.name;
         task.Memberassigned = req.body.taskassigned;
         task.Priority = req.body.s1;
+        step.Todo=task.Todo;
+        step.save(function (err) {
+            if (!err) {
+                Step.find({})
+                    .populate('Todo')
+                    .exec(function(error, task) {
+                        console.log(JSON.stringify(task, null, "\t"))
+                    })
+            }
+            if (err) {
+                console.log(err);
+            }
+            console.log(step);
+        });
+        upload(req,res,function(err){
+            if(err){return res.end("error uploading file")}
+            res.end("file is uploaded");
+
+        })
         task.save(function (err) {
+
             if (err) {
                 console.log(err);
             }
             console.log(task);
         })
     }
     res.redirect('/api/todo');
-})
+});
+
     router.post('/todo/update/', urlencodedParser, function(req, res) {
-        Task.findById(id,function(err,task)
-        {
+        if(validator.isNumeric(req.body.updatedpriority)) {
+        Task.findById(id,function(err,task) {
             console.log(id);
-            if(err)
-            {
+            if (err) {
                 res.send(err);
             }
-            task.Todo=req.body.updatedtodo;
-            task.Memberassigned=req.body.updatedmember;
-            task.Priority=req.body.updatedpriority;
+            task.Todo = req.body.updatedtodo;
+            task.Memberassigned = req.body.updatedmember;
+            task.Priority = req.body.updatedpriority;
 
-            task.save(function(err)
-            {
-                if(err) {
+            task.save(function (err) {
+                if (err) {
                     throw err;
                 }
                 console.log(task);
                 //res.json({message:'Bear updated!'});
             });
-        })
+        }
+        );
         res.redirect('/api/todo');
-    });
+    }
+    else
+        {
+            res.send("sorry no data updated");
+            //alert("No data updated");
+            res.redirect('/api/todo1')
+        }});
 /* Deletes an item from the to do list */
 router.get('/todo/delete/:id', function(req, res) {
-console.log(req.params.id);
 
-    Task.remove(req.params.id);
+    console.log(req.params.id);
+    id=req.params.id;
+    Task.findByIdAndRemove(req.params.id,function(err,tasks){console.log(tasks);});
+
+//Task.remove();
+        //console.log(a);
+
     res.redirect('/api/todo');
     });
 
     router.get('/todo/update/:id', function(req, res) {
-        id=req.params.id;
-        id1=1;
+
+            id = req.params.id;
+            id1 = 1;
+
         res.redirect('/api/todo1');
     });
 /* Redirects to the to do list if the page requested is not found */
@@ -154,5 +260,5 @@ else
     res.redirect('/api/todo1');
 }
 });
-app.listen(8008);
 
+app.listen(8010);

my-todolist/login.ejs

@@ -0,0 +1,10 @@
+<form action="/api/todo/login/" method="post">
+    <p>
+        <label for="Member">Login name</label>
+        <input type="text" name="Member" id="Member" autofocus /><br>
+        <label for="password">Password</label>
+        <input type="text" name="password" id="password" /><br>
+        <input type="submit" />
+    </p>
+
+</form>

my-todolist/model/step.js

@@ -0,0 +1,10 @@
+var mongoose=require('mongoose');
+var Schema=mongoose.Schema;
+var StepSchema= new Schema({
+    Steps:String,
+    Todo:{
+    type:mongoose.Schema.Types.ObjectId,
+        ref: 'Task'
+}
+});
+module.exports=mongoose.model('Step',StepSchema);

my-todolist/model/task.js

@@ -3,7 +3,10 @@ var Schema=mongoose.Schema;
 var TaskSchema= new Schema({
     Todo:String,
     Memberassigned:String,
-    Priority:Number
+    Priority:Number,
+    File:String
 });
+//var mongoose=require('mongoose');
+//var Schema=mongoose.Schema;
 
 module.exports=mongoose.model('Task',TaskSchema);