refactor(server): simplified validation for email

Author: DaftMonk

Diff for: templates/express/controllers/users.js

@@ -10,19 +10,12 @@ var mongoose = require('mongoose'),
 exports.create = function (req, res, next) {
   var newUser = new User(req.body);
   newUser.provider = 'local';
-
   newUser.save(function(err) {
-    if (err) {
-      // Manually provide our own message for 'unique' validation errors, can't do it from schema
-      if(err.errors.email.type === 'Value is not unique.') {
-        err.errors.email.type = 'The specified email address is already in use.';
-      }
-      return res.json(400, err);
-    }
-
+    if (err) return next(err);
+    
     req.logIn(newUser, function(err) {
       if (err) return next(err);
-      
+
       return res.json(req.user.userInfo);
     });
   });
@@ -35,13 +28,10 @@ exports.show = function (req, res, next) {
   var userId = req.params.id;
 
   User.findById(userId, function (err, user) {
-    if (err) return next(new Error('Failed to load User'));
-  
-    if (user) {
-      res.send({ profile: user.profile });
-    } else {
-      res.send(404, 'USER_NOT_FOUND');
-    }
+    if (err) return next(err);
+    if (!user) return res.send(404);
+
+    res.send({ profile: user.profile });
   });
 };
 
@@ -55,17 +45,14 @@ exports.changePassword = function(req, res, next) {
 
   User.findById(userId, function (err, user) {
     if(user.authenticate(oldPass)) {
-
       user.password = newPass;
       user.save(function(err) {
-        if (err) {
-          res.send(500, err);
-        } else {
-          res.send(200);
-        }
+        if (err) return res.send(400);
+
+        res.send(200);
       });
     } else {
-      res.send(400);
+      res.send(403);
     }
   });
 };

Diff for: templates/express/models/user.js

@@ -1,22 +1,17 @@
 'use strict';
 
 var mongoose = require('mongoose'),
-    uniqueValidator = require('mongoose-unique-validator'),
     Schema = mongoose.Schema,
     crypto = require('crypto');
 
-var authTypes = ['github', 'twitter', 'facebook', 'google'],
-    SALT_WORK_FACTOR = 10;
+var authTypes = ['github', 'twitter', 'facebook', 'google'];
 
 /**
  * User Schema
  */
 var UserSchema = new Schema({
   name: String,
-  email: {
-    type: String,
-    unique: true
-  },
+  email: String,
   role: {
     type: String,
     default: 'user'
@@ -68,9 +63,6 @@ UserSchema
 /**
  * Validations
  */
-var validatePresenceOf = function(value) {
-  return value && value.length;
-};
 
 // Validate empty email
 UserSchema
@@ -90,10 +82,24 @@ UserSchema
     return hashedPassword.length;
   }, 'Password cannot be blank');
 
-/**
- * Plugins
- */
-UserSchema.plugin(uniqueValidator,  { message: 'Value is not unique.' });
+// Validate email is not taken
+UserSchema
+  .path('email')
+  .validate(function(value, respond) {
+    var self = this;
+    this.constructor.findOne({email: value}, function(err, user) {
+      if(err) throw err;
+      if(user) {
+        if(self.id === user.id) return respond(true);
+        return respond(false);
+      }
+      respond(true);
+    });
+}, 'The specified email address is already in use.');
+
+var validatePresenceOf = function(value) {
+  return value && value.length;
+};
 
 /**
  * Pre-save hook
@@ -147,4 +153,4 @@ UserSchema.methods = {
   }
 };
 
-mongoose.model('User', UserSchema);
+module.exports = mongoose.model('User', UserSchema);