From 74f7cb1840db9dc031ca1aa3d5db3de04df8b612 Mon Sep 17 00:00:00 2001
From: sunpengfei <i@angelzzz.com>
Date: 星期二, 05 八月 2025 14:54:18 +0800
Subject: [PATCH] pref:优化
---
FlexJobApi.Core/Utils/PagedListUtils/PagedListUtils.cs | 92 +++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 90 insertions(+), 2 deletions(-)
diff --git a/FlexJobApi.Core/Utils/PagedListUtils/PagedListUtils.cs b/FlexJobApi.Core/Utils/PagedListUtils/PagedListUtils.cs
index 32c3b55..0d57bd7 100644
--- a/FlexJobApi.Core/Utils/PagedListUtils/PagedListUtils.cs
+++ b/FlexJobApi.Core/Utils/PagedListUtils/PagedListUtils.cs
@@ -1,12 +1,100 @@
-锘縰sing System;
+锘縰sing FlexJobApi.User.Application;
+using Furion.DatabaseAccessor;
+using Furion.FriendlyException;
+using Mapster;
+using System;
using System.Collections.Generic;
using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
using System.Text;
+using System.Threading;
using System.Threading.Tasks;
namespace FlexJobApi.Core
{
- public class PagedListUtils
+ public static class PagedListUtils
{
+ /// <summary>
+ /// 鏌ヨ鍒嗛〉鍒楄〃鏁版嵁
+ /// </summary>
+ /// <typeparam name="TItem"></typeparam>
+ /// <param name="q"></param>
+ /// <param name="page"></param>
+ /// <param name="cancellationToken"></param>
+ /// <returns></returns>
+ public static async Task<PagedListQueryResult<TItem>> ToPagedListAsync<TItem>(this IQueryable<TItem> q, PagedListQueryPageModel page, CancellationToken cancellationToken = default)
+ where TItem : class, new()
+ {
+ var pagedList = await q
+ .OrderBy(page.OrderInput)
+ .ToPagedListAsync(page.Page, page.Rows, cancellationToken);
+ var result = new PagedListQueryResult<TItem>();
+ result.PageModel = page.Adapt<PagedListQueryResultPageModel>();
+ result.PageModel.TotalCount = pagedList.TotalCount;
+ result.PageModel.TotalPage = pagedList.TotalPages;
+ result.Data = pagedList.Items.ToList();
+ return result;
+ }
+
+ /// <summary>
+ /// 鎺掑簭
+ /// </summary>
+ /// <typeparam name="T"></typeparam>
+ /// <param name="q"></param>
+ /// <param name="orders"></param>
+ /// <returns></returns>
+ public static IQueryable<T> OrderBy<T>(this IQueryable<T> q, List<PagedListQueryPageModelOrderInput> orders)
+ {
+ if (orders.IsNull()) return q;
+
+ var entityType = typeof(T);
+ int index = 0;
+
+ var props = entityType.GetProperties();
+ foreach (var order in orders)
+ {
+ if (string.IsNullOrEmpty(order.Property)) continue;
+
+ // 鑾峰彇鎺掑簭瀛楁鐨勫睘鎬т俊鎭�
+ var propertyInfo = props.FirstOrDefault(it => it.Name.Equals(order.Property, StringComparison.OrdinalIgnoreCase));
+ if (propertyInfo == null) throw Oops.Oh(EnumErrorCodeType.s404, $"璇ユ帓搴忓瓧娈祘order.Property}");
+
+ // 鍒涘缓琛ㄨ揪寮忔爲
+ var parameter = Expression.Parameter(entityType, "x");
+ var propertyAccess = Expression.Property(parameter, propertyInfo);
+ var lambda = Expression.Lambda(propertyAccess, parameter);
+
+ string methodName;
+ if (index == 0)
+ {
+ // 棣栨鎺掑簭
+ methodName = order.Order == EnumPagedListOrder.Asc
+ ? "OrderBy"
+ : "OrderByDescending";
+ }
+ else
+ {
+ // 浜屾鍙婁互鍚庢帓搴�
+ methodName = order.Order == EnumPagedListOrder.Asc
+ ? "ThenBy"
+ : "ThenByDescending";
+ }
+
+ // 璋冪敤鐩稿簲鐨勬帓搴忔柟娉�
+ var resultExpression = Expression.Call(
+ typeof(Queryable),
+ methodName,
+ [entityType, propertyInfo.PropertyType],
+ q.Expression,
+ Expression.Quote(lambda)
+ );
+
+ q = q.Provider.CreateQuery<T>(resultExpression);
+ index++;
+ }
+
+ return q;
+ }
}
}
--
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