/// <summary>
/// 取得列表数据
/// </summary>
public ApiPageData <TData> PageData(int page, int limit, string sort, bool desc, string condition,
params DbParameter[] args)
{
if (!string.IsNullOrEmpty(BaseQueryCondition))
{
if (string.IsNullOrEmpty(condition))
{
condition = BaseQueryCondition;
}
else if (condition != BaseQueryCondition && !condition.Contains(BaseQueryCondition))
{
condition = $"({BaseQueryCondition}) AND ({condition})";
}
}
if (!DataExtendChecker.PrepareQuery <TData>(Access, ref condition, ref args))
{
return(null);
}
var datas = Access.Page(page, limit, sort, desc, condition, args);
OnListLoaded(datas.Rows);
return(datas);
}
/// <summary>
/// 删除对象
/// </summary>
public async Task <bool> DeleteAsync(TPrimaryKey id)
{
if (!DataExtendChecker.PrepareDelete <TData, TPrimaryKey>(new[] { id }))
{
return(false);
}
using var scope = TransactionScope.CreateScope(Access.DataBase);
{
var res = await DeleteAsyncInner(id);
scope.Succeed();
return(res);
}
}
/// <summary>
/// 删除对象
/// </summary>
public bool Delete(TPrimaryKey id)
{
if (!DataExtendChecker.PrepareDelete <TData, TPrimaryKey>(new[] { id }))
{
return(false);
}
using var scope = TransactionScope.CreateScope(Access.DataBase);
{
if (!DeleteInner(id))
{
return(false);
}
scope.Succeed();
}
return(true);
}
/// <summary>
/// 新增
/// </summary>
public virtual async Task <bool> AddNewAsync(TData data)
{
if (!DataExtendChecker.PrepareAddnew(data))
{
return(false);
}
using var scope = TransactionScope.CreateScope(Access.DataBase);
{
if (!CanSave(data, true))
{
return(false);
}
if (!PrepareSave(data, true))
{
return(false);
}
if (data.__status.IsExist)
{
if (!await Access.UpdateAsync(data))
{
return(false);
}
}
else if (!await Access.InsertAsync(data))
{
return(false);
}
if (!Saved(data, BusinessCommandType.AddNew))
{
return(false);
}
scope.Succeed();
}
return(true);
}
/// <summary>
/// 更新对象
/// </summary>
public virtual async Task <bool> UpdateAsync(TData data)
{
if (Equals(data.Id, default))
{
return(await AddNewAsync(data));
}
if (!DataExtendChecker.PrepareUpdate(data))
{
return(false);
}
using var scope = TransactionScope.CreateScope(Access.DataBase);
{
if (!CanSave(data, false))
{
return(false);
}
if (!PrepareSave(data, false))
{
return(false);
}
if (!await Access.UpdateAsync(data))
{
return(false);
}
if (!Saved(data, BusinessCommandType.Update))
{
return(false);
}
scope.Succeed();
}
return(true);
}
/// <summary>
/// 删除对象
/// </summary>
public async Task <bool> DeleteAsync(IEnumerable <TPrimaryKey> ids)
{
var list = ids.ToArray();
if (!DataExtendChecker.PrepareDelete <TData, TPrimaryKey>(list))
{
return(false);
}
using var scope = TransactionScope.CreateScope(Access.DataBase);
{
foreach (var id in list)
{
if (!await DeleteAsyncInner(id))
{
return(false);
}
}
scope.Succeed();
}
return(true);
}
