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161 lines
4.7 KiB
C#

using SqlSugar;
using System.Linq.Expressions;
using Txgy.RBS.IDAL;
namespace Txgy.RBS.DAL
{
public class BaseService : IBaseService
{
protected ISqlSugarClient _Client { get; set; }
/// <summary>
/// 构造函数
/// </summary>
/// <param name="context"></param>
public BaseService(ISqlSugarClient client)
{
_Client = client;
}
#region Query
public T Find<T>(int id) where T : class
{
return _Client.Queryable<T>().InSingle(id);
}
/// <summary>
/// 不应该暴露给上端使用者,尽量少用
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
//[Obsolete("尽量避免使用using 带表达式目录树的代替")]
public ISugarQueryable<T> Set<T>() where T : class
{
return _Client.Queryable<T>();
}
/// <summary>
/// 这才是合理的做法,上端给条件,这里查询
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="funcWhere"></param>
/// <returns></returns>
public ISugarQueryable<T> Query<T>(Expression<Func<T, bool>> funcWhere) where T : class
{
return _Client.Queryable<T>().Where(funcWhere);
}
public PagingData<T> QueryPage<T>(Expression<Func<T, bool>> funcWhere, int pageSize, int pageIndex, Expression<Func<T, object>> funcOrderby, bool isAsc = true) where T : class
{
var list = _Client.Queryable<T>();
if (funcWhere != null)
{
list = list.Where(funcWhere);
}
list = list.OrderByIF(true, funcOrderby, isAsc ? OrderByType.Asc : OrderByType.Desc);
PagingData<T> result = new PagingData<T>()
{
DataList = list.ToPageList(pageIndex, pageSize),
PageIndex = pageIndex,
PageSize = pageSize,
RecordCount = list.Count(),
};
return result;
}
#endregion
#region Insert
/// <summary>
/// 即使保存 不需要再Commit
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
/// <returns></returns>
public T Insert<T>(T t) where T : class, new()
{
_Client.Insertable(t).ExecuteCommand();
return t;
}
public IEnumerable<T> Insert<T>(List<T> tList) where T : class, new()
{
_Client.Insertable(tList.ToList()).ExecuteCommand();
return tList;
}
#endregion
#region Update
/// <summary>
/// 是没有实现查询,直接更新的,需要Attach和State
///
/// 如果是已经在context只能再封装一个(在具体的service)
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
public void Update<T>(T t) where T : class, new()
{
if (t == null) throw new Exception("t is null");
_Client.Updateable(t).ExecuteCommand();
}
public void Update<T>(List<T> tList) where T : class, new()
{
_Client.Updateable(tList).ExecuteCommand();
}
#endregion
#region Delete
/// <summary>
/// 先附加 再删除
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="t"></param>
public void Delete<T>(T t) where T : class, new()
{
_Client.Deleteable(t).ExecuteCommand();
}
/// <summary>
/// 还可以增加非即时commit版本的
/// 做成protected
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="Id"></param>
public void Delete<T>(int Id) where T : class, new()
{
T t = _Client.Queryable<T>().InSingle(Id);
_Client.Deleteable(t).ExecuteCommand();
}
public void Delete<T>(List<T> tList) where T : class
{
_Client.Deleteable(tList).ExecuteCommand();
}
#endregion
#region Other
public ISugarQueryable<T> ExcuteQuery<T>(string sql) where T : class, new()
{
return _Client.SqlQueryable<T>(sql);
}
public void Dispose()
{
if (_Client != null)
{
_Client.Dispose();
}
}
//public ISugarQueryable<T> ExcuteQuery<T>(string sql) where T : class, new()
//{
// return _Client.SqlQueryable<T>(sql);
//}
#endregion
}
}