public ResultMessage <CustomerAttributeModel> GetCustomerAttribute(int customerId, string key)
{
var attributes = _attributeService.GetAttributeByCustomerId(customerId);
var attribute = attributes.FirstOrDefault(a => a.Key == key);
return(new ResultMessage <CustomerAttributeModel>(attribute.MapTo <CustomerAttributeModel>()));
}
public static void SaveCustomerAttribute <TPropType>(this Customer customer, string key, TPropType value,
ICustomerAttributeService _customerAttributeService)
{
if (customer == null || customer.Id == 0)
{
throw new ArgumentNullException("customer");
}
var props = _customerAttributeService.GetAttributeByCustomerId(customer.Id);
var attribute = new CustomerAttribute();
if (props != null &&
props.Count > 0 &&
props.FirstOrDefault(ga =>
ga.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase)) != null)
{
attribute = props.FirstOrDefault(ga =>
ga.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase));
attribute.Value = value.ToString();
}
else
{
attribute.CustomerId = customer.Id;
attribute.Key = key;
attribute.Value = value.ToString();
}
_customerAttributeService.SaveAttribute(attribute);
}
/// <summary>
/// 获取用户的属性值
/// </summary>
/// <typeparam name="TPropType"></typeparam>
/// <param name="customer"></param>
/// <param name="key"></param>
/// <param name="_customerAttributeService"></param>
/// <returns></returns>
public static TPropType GetCustomerAttributeValue <TPropType>(this Customer customer, string key,
ICustomerAttributeService _customerAttributeService)
{
if (customer == null)
{
throw new ArgumentNullException("customer");
}
var props = _customerAttributeService.GetAttributeByCustomerId(customer.Id);
if (props == null)
{
return(default(TPropType));
}
if (props.Count == 0)
{
return(default(TPropType));
}
var prop = props.FirstOrDefault(ga =>
ga.Key.Equals(key, StringComparison.InvariantCultureIgnoreCase)); //should be culture invariant
if (prop == null || string.IsNullOrEmpty(prop.Value))
{
return(default(TPropType));
}
return(CommonHelper.To <TPropType>(prop.Value));
}