const usersUpdateValidator = [
param('id').isInt().not().isEmpty().withMessage('Should have a valid id'),
body('email').optional().isEmail().withMessage('Should have a valid email attribute'),
+ body('emailVerified').optional().isBoolean().withMessage('Should have a valid email verified attribute'),
body('videoQuota').optional().custom(isUserVideoQuotaValid).withMessage('Should have a valid user quota'),
body('videoQuotaDaily').optional().custom(isUserVideoQuotaDailyValid).withMessage('Should have a valid daily user quota'),
body('role').optional().custom(isUserRoleValid).withMessage('Should have a valid role'),