User definition

User.js

var UserSchema = new Schema({
    username: { type: String, required: true, trim: true, unique: true },
	password: { type: String, required: true },
	email: { type: String, lowercase: true, trim: true, unique: true },
	salt: { type: String, required: true },
	hash: { type: String, required: true },
	verificationToken: { type: String },
	verificationTokenExpirationDate: { type: Date },
	isConfirmed: { type: Boolean, default: false },
	confirmed: { type: Boolean, default: false },
	confirmationToken: { type: String },

	createdDate: { type: Date, default: Date.now },
	changedDate: { type: Date },
	lastPasswordFailureDate: { type: Date }
});