From 8640c8af7db1c5a7c470d03053861d419d773a33 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Mon, 8 Jan 2024 18:08:33 +0800
Subject: [PATCH] Delete useless file

---
 .../SqlSugar/Utilities/PivotHelper.cs         | 129 ------------------
 1 file changed, 129 deletions(-)
 delete mode 100644 Src/Asp.NetCore2/SqlSugar/Utilities/PivotHelper.cs

diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/PivotHelper.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/PivotHelper.cs
deleted file mode 100644
index 98920498e..000000000
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/PivotHelper.cs
+++ /dev/null
@@ -1,129 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Data;
-using System.Dynamic;
-using System.Linq;
-using System.Linq.Expressions;
-using System.Text;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
-
-namespace SqlSugar
-{
-    internal static class PivotHelper
-    {
-        public static DataTable ToPivotTable<T, TColumn, TRow, TData>(
-     IEnumerable<T> source,
-    Func<T, TColumn> columnSelector,
-    Expression<Func<T, TRow>> rowSelector,
-    Func<IEnumerable<T>, TData> dataSelector)
-        {
-            DataTable table = new DataTable();
-            var rowName = "";
-            if (rowSelector.Body is MemberExpression)
-                rowName = ((MemberExpression)rowSelector.Body).Member.Name;
-            else
-                rowName = string.Join(UtilConstants.ReplaceKey, ((NewExpression)rowSelector.Body).Arguments.Select(it => it as MemberExpression).Select(it => it.Member.Name));
-            table.Columns.Add(new DataColumn(rowName));
-            var columns = source.Select(columnSelector).Distinct();
-
-            foreach (var column in columns)
-                table.Columns.Add(new DataColumn(column?.ToString()));
-
-            var rows = source.GroupBy(rowSelector.Compile())
-                             .Select(rowGroup => new
-                             {
-                                 Key = rowGroup.Key,
-                                 Values = columns.GroupJoin(
-                                     rowGroup,
-                                     c => c,
-                                     r => columnSelector(r),
-                                     (c, columnGroup) => dataSelector(columnGroup))
-                             });
-
-            foreach (var row in rows)
-            {
-                var dataRow = table.NewRow();
-                var items = row.Values.Cast<object>().ToList();
-                items.Insert(0, row.Key);
-                dataRow.ItemArray = items.ToArray();
-                table.Rows.Add(dataRow);
-            }
-            var firstName = table.Columns[0]?.ColumnName;
-            if (firstName.ObjToString().Contains(UtilConstants.ReplaceKey))
-            {
-                int i = 0;
-                foreach (var item in Regex.Split(firstName, UtilConstants.ReplaceKey))
-                {
-                    i++;
-                    table.Columns.Add(item);
-                    table.Columns[item].SetOrdinal(i);
-                }
-                foreach (DataRow row in table.Rows)
-                {
-                    var json = row[firstName];
-                    var list = json.ToString().TrimStart('{', ' ').TrimEnd('}', ' ')
-                        .Split(new[] { ", " }, StringSplitOptions.None)
-                        .Select(it => it.Split(new[] { " = " }, StringSplitOptions.None)).ToList();
-                    foreach (var item in Regex.Split(firstName, UtilConstants.ReplaceKey))
-                    {
-                        var x = list.First(it => it.First().Trim() == item.Trim());
-                        row[item] = x[1];
-                    }
-                }
-                table.Columns.Remove(firstName);
-            }
-            return table;
-        }
-        public static List<dynamic> ToPivotList<T, TColumn, TRow, TData>(
-                                                                         IEnumerable<T> source,
-                                                                        Func<T, TColumn> columnSelector,
-                                                                        Expression<Func<T, TRow>> rowSelector,
-                                                                        Func<IEnumerable<T>, TData> dataSelector)
-        {
-
-            var arr = new List<object>();
-            var cols = new List<string>();
-            var rowName = "";
-            if (rowSelector.Body is MemberExpression)
-                rowName = ((MemberExpression)rowSelector.Body).Member.Name;
-            else
-                rowName = "Group_" + string.Join("_", ((NewExpression)rowSelector.Body).Arguments.Select(it => it as MemberExpression).Select(it => it.Member.Name));
-            var columns = source.Select(columnSelector).Distinct();
-
-            cols = (new[] { rowName }).Concat(columns.Select(x => x?.ToString())).ToList();
-
-
-            var rows = source.GroupBy(rowSelector.Compile())
-                             .Select(rowGroup => new
-                             {
-                                 Key = rowGroup.Key,
-                                 Values = columns.GroupJoin(
-                                     rowGroup,
-                                     c => c,
-                                     r => columnSelector(r),
-                                     (c, columnGroup) => dataSelector(columnGroup))
-                             }).ToList();
-
-
-            foreach (var row in rows)
-            {
-                var items = row.Values.Cast<object>().ToList();
-                items.Insert(0, row.Key);
-                var obj = GetAnonymousObject(cols, items);
-                arr.Add(obj);
-            }
-            return arr.ToList();
-        }
-        private static dynamic GetAnonymousObject(IEnumerable<string> columns, IEnumerable<object> values)
-        {
-            IDictionary<string, object> eo = new ExpandoObject() as IDictionary<string, object>;
-            int i;
-            for (i = 0; i < columns.Count(); i++)
-            {
-                eo.Add(columns.ElementAt<string>(i), values.ElementAt<object>(i));
-            }
-            return eo;
-        }
-    }
-}