Changed model name so hopefully that fixes a bug where it was User with capital letter in IDE and user with loweer case letter in Git

models/User.js

@@ -0,0 +1,60 @@
+var mongoose = require('mongoose'),
+    bcrypt = require('bcrypt');
+
+var userSchema = new mongoose.Schema({
+  email: { type: String, unique: true },
+  admin: { type: Boolean, default: false },
+  firstName: String,
+  lastName: String,
+  password: String,
+  tokens: Array,
+  provider: String,
+  facebook: String,
+  google: String
+});
+
+userSchema.path('password').validate(function(password) {
+  if (this.provider) return true;
+  return password.length;
+}, 'Password cannot be blank');
+
+userSchema.path('email').validate(function(email) {
+  if (this.provider) return true;
+  return email.length;
+}, 'Email cannot be blank');
+
+userSchema.path('firstName').validate(function(firstName) {
+  if (this.provider) return true;
+  return firstName.length;
+}, 'First Name cannot be blank');
+
+userSchema.path('lastName').validate(function(lastName) {
+  if (this.provider) return true;
+  return lastName.length;
+}, 'Last Name cannot be blank');
+
+userSchema.pre('save', function(next) {
+  var user = this;
+  var SALT_FACTOR = 5;
+
+  if (!user.isModified('password')) return next();
+
+  bcrypt.genSalt(SALT_FACTOR, function(err, salt) {
+    if (err) return next(err);
+
+    bcrypt.hash(user.password, salt, function(err, hash) {
+      if (err) return next(err);
+      user.password = hash;
+      next();
+    });
+  });
+});
+
+userSchema.methods.comparePassword = function(candidatePassword, cb) {
+  bcrypt.compare(candidatePassword, this.password, function(err, isMatch) {
+    if(err) return cb(err);
+    cb(null, isMatch);
+  });
+};
+
+module.exports = mongoose.model('User', userSchema);