public Dictionary <string, string> Validate(UserAccount model)
{
var modelErrors = new Dictionary <string, string>();
if (!ValidateUserName(model))
{
modelErrors.Add(nameof(UserAccount.UserName), ValidationMessages.ExistsValidation("User Name"));
}
if (!ValidateFullName(model))
{
modelErrors.Add(nameof(UserAccount.FullName), ValidationMessages.ExistsValidation("Full Name"));
}
return(modelErrors);
}