Question

我正在使用MEAN堆栈并且对它很新。我差不多完成了我的应用程序，我正在添加身份验证，所以我为用户创建了一个新的架构。我很确定我确实完成了本书所展示的所有内容，但该书在2015年发布时出现了一些错误。以下是我的错误以及下面的代码：

=============================================== ==========================

app.js

require('dotenv').load();
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var uglifyJs = require("uglify-js");
var fs = require('fs');
var passport = require('passport');

require('./app_api/models/db');
require('./app_api/config/passport');

var routes = require('./app_server/routes/index');
var routesApi = require('./app_api/routes/index');
// var users = require('./app_server/routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'app_server', 'views'));
app.set('view engine', 'jade');

var appClientFiles = [
  'app_client/app.js',
  'app_client/home/home.controller.js',
  'app_client/about/about.controller.js',
  'app_client/locationDetail/locationDetail.controller.js',
  'app_client/reviewModal/reviewModal.controller.js',
  'app_client/common/services/geolocation.service.js',
  'app_client/common/services/loc8rData.service.js',
  'app_client/common/filters/formatDistance.filter.js',
  'app_client/common/filters/addHtmlLineBreaks.filter.js',
  'app_client/common/directives/navigation/navigation.directive.js',
  'app_client/common/directives/footerGeneric/footerGeneric.directive.js',
  'app_client/common/directives/pageHeader/pageHeader.directive.js',
  'app_client/common/directives/ratingStars/ratingStars.directive.js'
];
var uglified = uglifyJs.minify(appClientFiles, { compress : false });

fs.writeFile('public/angular/loc8r.min.js', uglified.code, function(err) {
  if(err) {
    console.log(err);
  } else {
    console.log('Script generated and saved: loc8r.min.js');
  }
});

// app.locals.pretty = true;

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'app_client')));

app.use(passport.initialize());

// app.use('/', routes);
app.use('/api', routesApi);
app.use('/users', users);

app.use(function(req, res) {
  res.sendFile(path.join(__dirname, 'app_client', 'index.html'));
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;

=============================================== ==========================

/app_api/models/db.js

var mongoose = require('mongoose');
var gracefulShutdown;
var dbURI = 'mongodb://localhost/Loc8r';

if (process.env.NODE_ENV === 'production') {
    dbURI = process.env.MONGOLAB_URI;
}
mongoose.connect(dbURI);

// Emulate SIGINT signal for Windows
var readLine = require('readline');
if (process.platform === "win32") {
    var rl = readLine.createInterface ({
        input: process.stdin,
        output: process.stdout
    });
    rl.on ('SIGINT', function() {
        process.emit ("SIGINT");
    });
}

mongoose.connection.on('connected', function() {
    console.log('Mongoose connected to ' + dbURI);
});
mongoose.connection.on('error', function(err) {
    console.log('mongoose connection error: ' + err);
});
mongoose.connection.on('disconnected', function() {
    console.log('Mongoose disconnected');
});

gracefulShutdown = function(msg, callback) {
    mongoose.connection.close(function() {
        console.log('Mongoose disconnected through ' + msg);
        callback();
    });
};

// For nodemon restarts
process.once('SIGUSR2', function() {
    gracefulShutdown('nodemon restart', function() {
        process.kill(process.pid, 'SIGUSR2');
    });
});
// For app termination
process.on('SIGINT', function() {
    gracefulShutdown('app termination', function() {
        process.exit(0);
    });
});
// For Heroku app termination
process.on('SIGTERM', function() {
    gracefulShutdown('Heroku app shutdown', function() {
        process.exit(0);
    });
});

// BRING IN SCHEMAS & MODELS
require('./locations');
require('./users');

=============================================== ==========================

app_client/models/users.js

var mongoose = require('mongoose');
var crypto = require('crypto');
var jwt = require('jsonwebtoken');

var userSchema = new mongoose.Schema({
    email: {
        type: String,
        unique: true,
        required: true
    },
    name: {
        type: String,
        required: true
    },
    hash: String,
    salt: String
});

userSchema.methods.setPassword = function(password) {
    this.salt = crypto.randomBytes(16).toString('hex');
    this.hash = crypto.pbkdf2Sync(password, this.salt, 1000, 64).toString('hex');
};

userSchema.methods.validPassword = function(password) {
    var hash = crypto.pbkdf2Sync(password, this.salt, 1000, 64).toString('hex');
    return this.hash === hash;
};

userSchema.methods.generateJwt = function() {
    var expiry = new Date();
    expiry.setDate(expiry.getDate() + 7);

    return jwt.sign({
        _id: this._id,
        email: this.email,
        name: this.name,
        exp: parseInt(expiry.getTime() / 1000)
    }, process.env.JWT_SECRET); // DO NOT KEEP SECRET IN CODE
};

=============================================== ==========================

app_client/config/passport.js

var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var mongoose = require('mongoose');
var User = mongoose.model('User');

passport.use(new LocalStrategy({
        usernameField: 'email'
    },
    function(username, password, done) {
        User.findOne({ email: username }, function(err, user) {
            if (err) { return done(err); }
            if (!user) {
                return done(null, false, {
                    message: 'Incorrect username.'
                });
            }
            if (!user.validPassword(password)) {
                return done(null, false, {
                    message: 'Incorrect password.'
                });
            }
            return done(null, user);
        });
    }
));

=============================================== ==========================

app_client/controllers/authentication.js

var passport = require('passport');
var mongoose = require('mongoose');
var User = mongoose.model('User');

var sendJsonResponse = function(res, status, content) {
    res.status(status);
    res.json(content);
};

module.exports.register = function(req, res) {
    if(!req.body.name || !req.body.email || !req.body.password) {
        sendJsonResponse(res, 400, { "message" : "All fields required" });
        return;
    }

    var user = new User();

    user.name = req.body.name;
    user.email = req.body.email;

    user.setPasswork(req.body.password);

    user.save(function(err) {
        var token;
        if (err) {
            sendJsonResponse(res, 404, err);
        } else {
            token = user.generateJwt();
            sendJsonResponse(res, 200, { "token" : token });
        }
    });
};

module.exports.login = function(req, res) {
    if(!req.body.email || !req.body.password) {
        sendJsonResponse(res, 400, { "message" : "All fields required" });
        return;
    }

    passport.authenticate('local', function(err, user, info) {
        var token;

        if (err) {
            sendJsonResponse(res, 404, err);
            return;
        }

        if(user) {
            token = user.generateJwt();
            sendJsonResponse(res, 200, { "token" : token });
        } else {
            sendJsonResponse(res, 401, info);
        }
    })(req, res);

};

=============================================== ==========================

app_client/routes/index.js

var express = require('express');
var router = express.Router();
var ctrlLocations = require('../controllers/locations');
var ctrlReviews = require('../controllers/reviews');
var ctrlAuth = require('../controllers/authentication');

// locations
router.get('/locations', ctrlLocations.locationsListByDistance);
router.post('/locations', ctrlLocations.locationsCreate);
router.get('/locations/:locationid', ctrlLocations.locationsReadOne);
router.put('/locations/:locationid', ctrlLocations.locationsUpdateOne);
router.delete('/locations/:locationid', ctrlLocations.locationsDeleteOne);

// reviews
router.post('/locations/:locationid/reviews', ctrlReviews.reviewsCreate);
router.get('/locations/:locationid/reviews/:reviewid', ctrlReviews.reviewsReadOne);
router.put('/locations/:locationid/reviews/:reviewid', ctrlReviews.reviewsUpdateOne);
router.delete('/locations/:locationid/reviews/:reviewid', ctrlReviews.reviewsDeleteOne);

// authentication
router.post('/register', ctrlAuth.register);
router.post('/login', ctrlAuth.login);

module.exports = router;

=============================================== ==========================

这是与新架构，API端点和错误消息相关的所有代码。我已经尝试在代码中移动东西（app.js中的排序）和小调整，但似乎无法在这里追查问题。就像我说的那样，我对MEAN堆栈有点新意。

Answer 1

您已经定义了用户架构，但没有定义模型＆amp;并没有将它出口到外部世界。

添加到app_client / models / users.js：

module.exports = mongoose.model('User', userSchema);

和（可以跳过此步骤）到app_client / config / passport.js和app_client / controllers / authentication.js：

var User = require('../models/users.js');

MEAN抛出新的mongoose.Error.MissingSchemaError（name）;

1 个答案: