/// <summary>
/// 新建数据实体
/// </summary>
/// <param name="entity">要新建的数据实体</param>
/// <returns>返回新建的数据实体</returns>
public virtual WebApiResult<Product_ProductDefinition> Add(Product_ProductDefinition entity)
{
var result = new WebApiResult<Product_ProductDefinition>();
#region 验证
if (Validate(result, entity))
{
if (DataContext.Product_ProductDefinition.Any(x => x.Deleted == false && x.Name == entity.Name))
{
result.AddError(string.Format("名称 '{0}' 已经存在。", entity.Name));
}
}
#endregion
#region 保存
if (result.Success)
{
var maxSortOrder = 0;
if (DataContext.Product_ProductDefinition.Any())
{
maxSortOrder = DataContext.Product_ProductDefinition.Max(x => x.SortOrder);
}
entity.SortOrder = maxSortOrder + 1;
entity.Id = Guid.NewGuid();
entity.CreatedAt = DateTime.Now;
entity.UpdatedAt = DateTime.Now;
DataContext.Product_ProductDefinition.Add(entity);
DataContext.SaveChanges();
result.Data = entity;
}
#endregion
return result;
}
/// <summary>
/// 验证数据实体
/// </summary>
/// <param name="result">result 参数</param>
/// <param name="entity">要验证的数据实体</param>
/// <returns>成功返回 true；否则返回 false。</returns>
protected bool Validate(WebApiResult<Product_ProductDefinition> result, Product_ProductDefinition entity)
{
if (string.IsNullOrWhiteSpace(entity.Name))
{
result.AddError("请输入参数产品名称。");
}
//if (string.IsNullOrWhiteSpace(entity.CalType.ToString()))
//{
// result.AddError("请输入参数产品计算类型。");
//}
return result.Success;
}
/// <summary>
/// 更新数据实体
/// </summary>
/// <param name="entity">要更新的数据实体</param>
/// <returns>返回更新后的数据实体</returns>
public virtual WebApiResult<Product_ProductDefinition> Update(Product_ProductDefinition entity)
{
var result = new WebApiResult<Product_ProductDefinition>();
#region 验证
if (Validate(result, entity))
{
if (DataContext.Product_ProductDefinition.Any(x => x.Deleted == false
&& x.Id != entity.Id
&& x.Name == entity.Name))
{
result.AddError(string.Format("名称 '{0}' 已经存在。", entity.Name));
}
}
#endregion
#region 保存
if (result.Success)
{
var origin = DataContext.Product_ProductDefinition.FirstOrDefault(x => x.Id == entity.Id);
if (origin != null)
{
origin.Name = entity.Name;
origin.DownPayment = entity.DownPayment;
origin.Margin = entity.Margin;
origin.Fee = entity.Fee;
origin.FinalPayment = entity.FinalPayment;
origin.InterestRate = entity.InterestRate;
origin.Lease = entity.Lease;
//origin.CalType = entity.CalType;
entity.UpdatedAt = DateTime.Now;
DataContext.SaveChanges();
result.Data = origin;
}
}
#endregion
return result;
}
