public async Task DeleteIfExists(string email)
{
if (string.IsNullOrWhiteSpace(email))
{
throw new ArgumentException($"Parameter '{nameof(email)}' must have a value");
}
var user = await _databaseClient.GetDocumentByExpression <UserModel>(_databaseName, _userCollectionName, u => u.Email == email);
if (user != null)
{
await _databaseClient.DeleteDocument(_databaseName, _userCollectionName, user.Id);
}
}