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using Blog.Core.Common.DB;
using Blog.Core.IRepository.Base;
using Blog.Core.IRepository.UnitOfWork;
using Blog.Core.Model;
using Blog.Core.Model.Models;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
namespace Blog.Core.Repository.Base
{
public class BaseRepository<TEntity> : IBaseRepository<TEntity> where TEntity : class, new()
{
private readonly ISqlSugarClient _db;
private readonly IUnitOfWork _unitOfWork;
internal ISqlSugarClient Db
{
get { return _db; }
}
public BaseRepository(IUnitOfWork unitOfWork)
{
_unitOfWork = unitOfWork;
_db = unitOfWork.GetDbClient();
//DbContext.Init(BaseDBConfig.ConnectionString, (DbType)BaseDBConfig.DbType);
}
public async Task<TEntity> QueryById(object objId)
{
//return await Task.Run(() => _db.Queryable<TEntity>().InSingle(objId));
return await _db.Queryable<TEntity>().In(objId).SingleAsync();
}
/// <summary>
/// 功能描述:根据ID查询一条数据
/// 作 者:Blog.Core
/// </summary>
/// <param name="objId">id（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
/// <param name="blnUseCache">是否使用缓存</param>
/// <returns>数据实体</returns>
public async Task<TEntity> QueryById(object objId, bool blnUseCache = false)
{
//return await Task.Run(() => _db.Queryable<TEntity>().WithCacheIF(blnUseCache).InSingle(objId));
return await _db.Queryable<TEntity>().WithCacheIF(blnUseCache).In(objId).SingleAsync();
}
/// <summary>
/// 功能描述:根据ID查询数据
/// 作 者:Blog.Core
/// </summary>
/// <param name="lstIds">id列表（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
/// <returns>数据实体列表</returns>
public async Task<List<TEntity>> QueryByIDs(object[] lstIds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().In(lstIds).ToList());
return await _db.Queryable<TEntity>().In(lstIds).ToListAsync();
}
/// <summary>
/// 写入实体数据
/// </summary>
/// <param name="entity">博文实体类</param>
/// <returns></returns>
public async Task<int> Add(TEntity entity)
{
//var i = await Task.Run(() => _db.Insertable(entity).ExecuteReturnBigIdentity());
////返回的i是long类型,这里你可以根据你的业务需要进行处理
//return (int)i;
var insert = _db.Insertable(entity);
return await insert.ExecuteReturnIdentityAsync();
}
/// <summary>
/// 写入实体数据
/// </summary>
/// <param name="entity">实体类</param>
/// <param name="insertColumns">指定只插入列</param>
/// <returns>返回自增量列</returns>
public async Task<int> Add(TEntity entity, Expression<Func<TEntity, object>> insertColumns = null)
{
var insert = _db.Insertable(entity);
if (insertColumns == null)
{
return await insert.ExecuteReturnIdentityAsync();
}
else
{
return await insert.InsertColumns(insertColumns).ExecuteReturnIdentityAsync();
}
}
/// <summary>
/// 批量插入实体(速度快)
/// </summary>
/// <param name="listEntity">实体集合</param>
/// <returns>影响行数</returns>
public async Task<int> Add(List<TEntity> listEntity)
{
return await _db.Insertable(listEntity.ToArray()).ExecuteCommandAsync();
}
/// <summary>
/// 更新实体数据
/// </summary>
/// <param name="entity">博文实体类</param>
/// <returns></returns>
public async Task<bool> Update(TEntity entity)
{
////这种方式会以主键为条件
//var i = await Task.Run(() => _db.Updateable(entity).ExecuteCommand());
//return i > 0;
//这种方式会以主键为条件
return await _db.Updateable(entity).ExecuteCommandHasChangeAsync();
}
public async Task<bool> Update(TEntity entity, string strWhere)
{
//return await Task.Run(() => _db.Updateable(entity).Where(strWhere).ExecuteCommand() > 0);
return await _db.Updateable(entity).Where(strWhere).ExecuteCommandHasChangeAsync();
}
public async Task<bool> Update(string strSql, SugarParameter[] parameters = null)
{
//return await Task.Run(() => _db.Ado.ExecuteCommand(strSql, parameters) > 0);
return await _db.Ado.ExecuteCommandAsync(strSql, parameters) > 0;
}
public async Task<bool> Update(
TEntity entity,
List<string> lstColumns = null,
List<string> lstIgnoreColumns = null,
string strWhere = ""
)
{
//IUpdateable<TEntity> up = await Task.Run(() => _db.Updateable(entity));
//if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
//{
// up = await Task.Run(() => up.IgnoreColumns(it => lstIgnoreColumns.Contains(it)));
//}
//if (lstColumns != null && lstColumns.Count > 0)
//{
// up = await Task.Run(() => up.UpdateColumns(it => lstColumns.Contains(it)));
//}
//if (!string.IsNullOrEmpty(strWhere))
//{
// up = await Task.Run(() => up.Where(strWhere));
//}
//return await Task.Run(() => up.ExecuteCommand()) > 0;
IUpdateable<TEntity> up = _db.Updateable(entity);
if (lstIgnoreColumns != null && lstIgnoreColumns.Count > 0)
{
up = up.IgnoreColumns(lstIgnoreColumns.ToArray());
}
if (lstColumns != null && lstColumns.Count > 0)
{
up = up.UpdateColumns(lstColumns.ToArray());
}
if (!string.IsNullOrEmpty(strWhere))
{
up = up.Where(strWhere);
}
return await up.ExecuteCommandHasChangeAsync();
}
/// <summary>
/// 根据实体删除一条数据
/// </summary>
/// <param name="entity">博文实体类</param>
/// <returns></returns>
public async Task<bool> Delete(TEntity entity)
{
//var i = await Task.Run(() => _db.Deleteable(entity).ExecuteCommand());
//return i > 0;
return await _db.Deleteable(entity).ExecuteCommandHasChangeAsync();
}
/// <summary>
/// 删除指定ID的数据
/// </summary>
/// <param name="id">主键ID</param>
/// <returns></returns>
public async Task<bool> DeleteById(object id)
{
//var i = await Task.Run(() => _db.Deleteable<TEntity>(id).ExecuteCommand());
//return i > 0;
return await _db.Deleteable<TEntity>(id).ExecuteCommandHasChangeAsync();
}
/// <summary>
/// 删除指定ID集合的数据(批量删除)
/// </summary>
/// <param name="ids">主键ID集合</param>
/// <returns></returns>
public async Task<bool> DeleteByIds(object[] ids)
{
//var i = await Task.Run(() => _db.Deleteable<TEntity>().In(ids).ExecuteCommand());
//return i > 0;
return await _db.Deleteable<TEntity>().In(ids).ExecuteCommandHasChangeAsync();
}
/// <summary>
/// 功能描述:查询所有数据
/// 作 者:Blog.Core
/// </summary>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query()
{
return await _db.Queryable<TEntity>().ToListAsync();
}
/// <summary>
/// 功能描述:查询数据列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="strWhere">条件</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(string strWhere)
{
//return await Task.Run(() => _db.Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
return await _db.Queryable<TEntity>().WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToListAsync();
}
/// <summary>
/// 功能描述:查询数据列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="whereExpression">whereExpression</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression)
{
return await _db.Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).ToListAsync();
}
/// <summary>
/// 功能描述:查询一个列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="whereExpression">条件表达式</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToList());
return await _db.Queryable<TEntity>().WhereIF(whereExpression != null, whereExpression).OrderByIF(strOrderByFileds != null, strOrderByFileds).ToListAsync();
}
/// <summary>
/// 功能描述:查询一个列表
/// </summary>
/// <param name="whereExpression"></param>
/// <param name="orderByExpression"></param>
/// <param name="isAsc"></param>
/// <returns></returns>
public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToList());
return await _db.Queryable<TEntity>().OrderByIF(orderByExpression != null, orderByExpression, isAsc ? OrderByType.Asc : OrderByType.Desc).WhereIF(whereExpression != null, whereExpression).ToListAsync();
}
/// <summary>
/// 功能描述:查询一个列表
/// 作 者:Blog.Core
/// </summary>
/// <param name="strWhere">条件</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(string strWhere, string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToList());
return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToListAsync();
}
/// <summary>
/// 功能描述:查询前N条数据
/// 作 者:Blog.Core
/// </summary>
/// <param name="whereExpression">条件表达式</param>
/// <param name="intTop">前N条</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(
Expression<Func<TEntity, bool>> whereExpression,
int intTop,
string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToList());
return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).Take(intTop).ToListAsync();
}
/// <summary>
/// 功能描述:查询前N条数据
/// 作 者:Blog.Core
/// </summary>
/// <param name="strWhere">条件</param>
/// <param name="intTop">前N条</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(
string strWhere,
int intTop,
string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToList());
return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).Take(intTop).ToListAsync();
}
/// <summary>
/// 功能描述:分页查询
/// 作 者:Blog.Core
/// </summary>
/// <param name="whereExpression">条件表达式</param>
/// <param name="intPageIndex">页码（下标0）</param>
/// <param name="intPageSize">页大小</param>
/// <param name="intTotalCount">数据总量</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(
Expression<Func<TEntity, bool>> whereExpression,
int intPageIndex,
int intPageSize,
string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageList(intPageIndex, intPageSize));
return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(whereExpression != null, whereExpression).ToPageListAsync(intPageIndex, intPageSize);
}
/// <summary>
/// 功能描述:分页查询
/// 作 者:Blog.Core
/// </summary>
/// <param name="strWhere">条件</param>
/// <param name="intPageIndex">页码（下标0）</param>
/// <param name="intPageSize">页大小</param>
/// <param name="intTotalCount">数据总量</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns>数据列表</returns>
public async Task<List<TEntity>> Query(
string strWhere,
int intPageIndex,
int intPageSize,
string strOrderByFileds)
{
//return await Task.Run(() => _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageList(intPageIndex, intPageSize));
return await _db.Queryable<TEntity>().OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds).WhereIF(!string.IsNullOrEmpty(strWhere), strWhere).ToPageListAsync(intPageIndex, intPageSize);
}
/// <summary>
/// 分页查询[使用版本，其他分页未测试]
/// </summary>
/// <param name="whereExpression">条件表达式</param>
/// <param name="intPageIndex">页码（下标0）</param>
/// <param name="intPageSize">页大小</param>
/// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
/// <returns></returns>
public async Task<PageModel<TEntity>> QueryPage(Expression<Func<TEntity, bool>> whereExpression, int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
{
RefAsync<int> totalCount = 0;
var list = await _db.Queryable<TEntity>()
.OrderByIF(!string.IsNullOrEmpty(strOrderByFileds), strOrderByFileds)
.WhereIF(whereExpression != null, whereExpression)
.ToPageListAsync(intPageIndex, intPageSize, totalCount);
int pageCount = (Math.Ceiling(totalCount.ObjToDecimal() / intPageSize.ObjToDecimal())).ObjToInt();
return new PageModel<TEntity>() { dataCount = totalCount, pageCount = pageCount, page = intPageIndex, PageSize = intPageSize, data = list };
}
/// <summary>
///查询-多表查询
/// </summary>
/// <typeparam name="T">实体1</typeparam>
/// <typeparam name="T2">实体2</typeparam>
/// <typeparam name="T3">实体3</typeparam>
/// <typeparam name="TResult">返回对象</typeparam>
/// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param>
/// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
/// <param name="whereLambda">查询表达式 (w1, w2) =>w1.UserNo == "")</param>
/// <returns>值</returns>
public async Task<List<TResult>> QueryMuch<T, T2, T3, TResult>(
Expression<Func<T, T2, T3, object[]>> joinExpression,
Expression<Func<T, T2, T3, TResult>> selectExpression,
Expression<Func<T, T2, T3, bool>> whereLambda = null) where T : class, new()
{
if (whereLambda == null)
{
return await _db.Queryable(joinExpression).Select(selectExpression).ToListAsync();
}
return await _db.Queryable(joinExpression).Where(whereLambda).Select(selectExpression).ToListAsync();
}
}
}