javascript - Node Mongodb TypeError: Cannot read property 'find' of undefined -


still working on rest service mongo , node , got error
it's kind of weird cause have route call users in mongo , runs out problems, difference it's i'm using 'find' fro , 'findone' ones i'm calling id.
read findone it's depreciate in mongo 4 or more can't find proper syntax it.

enter image description here


these package , .js i'm working with. 

//app.js    var express = require('express');  var app = express();  var morgan = require('morgan');  var bodyparser = require('body-parser');  var users = require('./routes/users');  //app settings  //configure app jade rendering engine  app.set('view engine','jade');  app.use(express.static('public'));  //add morgan  app.use(morgan('dev')); /* 'default','short','tiny','dev' */  app.use(bodyparser.urlencoded({extended:false}))  app.use(bodyparser.json())    //root '/' request  app.get('/', function(req, res) {  res.render('index');  });      // services request  app.get('/services', function(req, res) {  res.render('services');  });    // users request  app.get('/users', users.findall);  app.get('/users/:id', users.findbyid);  app.post('/users', users.adduser);  app.put('/users/:id', users.updateuser);  app.delete('/users/:id', users.deleteuser);    // connectiong db mongo  var mongo = require('mongodb');  var server = mongo.server,      db = mongo.db,      bson = mongo.bsonpure;    var server = new server('localhost', 27017, {auto_reconnect: true});  db = new db('test_gwi', server);    db.open(function(err, db) {      if(!err) {          console.log("connected 'test_gwi' database");          db.collection('users', {strict:true}, function(err, collection) {              if (err) {                  console.log("the 'users' collection doesn't exist. creating sample data...");                  populatedb();              }          });      }  });    //mongo querys & shit      //port listening  app.listen(3000);  console.log('listening on port 3000...');

//users  var mongo = require('mongodb');    var server = mongo.server,      db = mongo.db,      bson = mongo.bsonpure;    var server = new server('localhost', 27017, {auto_reconnect: true});  db = new db('test_gwi', server);    db.open(function(err, db) {      if(!err) {          console.log("connected 'test_gwi' database");          db.collection('users', {strict:true}, function(err, collection) {              if (err) {                  console.log("the 'test_gwi' collection doesn't exist. creating sample data...");                  populatedb();              }          });      }  });    exports.findbyid = function(req, res) {      var id = req.params.id;      console.log('retrieving user: ' + id);      db.collection('users', function(err, collection) {          collection.find({'_id':new bson.objectid(id)}, function(err, item) {              res.send(item);          });      });  };    exports.findall = function(req, res) {      db.collection('users', function(err, collection) {          collection.find().toarray(function(err, items) {              res.send(items);          });      });  };


package 

{    "name": "testgwi",    "version": "1.0.0",    "description": "rest services",    "main": "index.js",    "scripts": {      "test": "echo \"error: no test specified\" && exit 1"    },    "author": "",    "license": "isc",    "dependencies": {      "body-parser": "^1.17.2",      "express": "^4.15.4",      "jade": "^1.11.0",      "mongoose": "^4.11.7",      "morgan": "^1.8.2"    }  }


Comments

Post a Comment

Popular posts from this blog

python Tkinter Capturing keyboard events save as one single string -

is possible store keyboard events 1 string? code below stores 1 char , prints it. card reader or bar code reader, contains collection of character/ string not 1 character @ time. goal save char pressed text variable. from tkinter import * root = tk() def key(event): text= event.char text+= event.char print ("pressed", text) def callback(event): frame.focus_set() print ("clicked at", event.x, event.y) frame = frame(root, width=100, height=100) frame.bind("<key>", key) frame.bind("<button-1>", callback) frame.pack() root.mainloop() currently, creating text variable , everytime key() function gets called, , text stores last character typed. you can define text module level variable , , use module level text inside key function - text = '' def key(event): global text text+= event.char print("pressed", text)
Read more

android - InAppBilling registering BroadcastReceiver in AndroidManifest -

i'm implementing inapp billing in android app. works well, however, i'm trying decouple broadcast receiver activity manifest. suggestion in android's trivialdrive sample: // important: dynamically register broadcast messages updated purchases. // register receiver here instead of <receiver> in manifest // because call getpurchases() @ startup, therefore can ignore // broadcasts sent while app isn't running. // note: registering listener in activity bad idea, done here // because sample. regardless, receiver must registered after // iabhelper setup, before first call getpurchases(). currently there's class extends broadcastreceiver : public class iabbroadcastreceiver extends broadcastreceiver { /** * intent action receiver should filter for. */ public static final string action = "com.android.vending.billing.purchases_updated"; private final iabbroadcastlistener mlistener; public iabbroadcastreceiver(iabbroadcastlistener listener) { m
Read more

javascript - Z-index in d3.js -

i have map , when hover effect on region of map below yellow line , circle, last ones disappear. how can solve problem? http://jsfiddle.net/ot21n9qx/ var arc = g.append("path") .style("fill", "none") .style("stroke", "yellow") .style("stroke-width", 2) .attr("d", "m" + pathorigin[0] + "," + pathorigin[1] + " q" + svgpoint[0] + "," + pathorigin[1] + " " + svgpoint[0] + "," + svgpoint[1]); var circlesize = d3.scale.linear() .domain([0, 0.5, 1]) .range([4, 10, 4]); svg not have z order draws objects in order created. need create path , circle after create highlight regions. here forked fiddle: http://jsfiddle.net/o00fzgaf/1/
Read more