SunlightAggregationManager/UserClass/AsyncHttpServer.cs

using SunlightAggregationManager.ViewModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Net.Sockets;
using System.Text;
using System.Text.Json;
using TouchSocket.Core;
using TouchSocket.Http;
using TouchSocket.Http.WebSockets;
using TouchSocket.Sockets;
using static SunlightAggregationManager.UserClass.AsyncTcpServer;


namespace SunlightAggregationManager.UserClass
{
    public class AsyncHttpServer
    {
        public static HttpService httpservice = new HttpService();
        public static async void Configuration(int P1)
        {
            await HttpMain(P1);
        }
        public static async Task HttpMain(int port1)
        {
            NetFwManger.AllowPort(port1, "TCP");//开放端口
            await httpservice.SetupAsync(new TouchSocketConfig()//加载配置   
                .SetListenIPHosts(port1)   
                .ConfigureContainer(a =>   
                {          
                    a.AddConsoleLogger();  
                })   
                .ConfigurePlugins(a =>   
                {          
                    a.Add<MyHttpPlug1>();
          //default插件应该最后添加，其作用是
          //1、为找不到的路由返回404
          //2、处理 header 为Option的探视跨域请求。       
                    a.UseDefaultHttpServicePlugin();   
                }));          
            await httpservice.StartAsync();
            Console.WriteLine("HTTP Port:" + port1.ToString());
        }

        public class MyHttpPlug1 : PluginBase, IHttpPlugin
        {
            public async Task OnHttpRequest(IHttpSessionClient client, HttpContextEventArgs e)
            {
                #region HttpContext生命周期
                //var request = e.Context.Request;//http请求体
                var response = e.Context.Response;//http响应体
                #endregion

                var bodyString = await e.Context.Request.GetBodyAsync();
                try
                {
                    Person? deserializedPerson = JsonSerializer.Deserialize<Person>(bodyString);

                    var _user = MainWindowViewModel.Selet_Memory(MainWindowViewModel._userData, "State", "User='" +
                        deserializedPerson?.User + "' and Password ='" + deserializedPerson?.Password + "'");
                    if (_user != null)
                    {
                        string _dat = _user?.ToString() ?? "0";
                        if (_dat != "99")
                        {
                            //行为
                            Dictionary<string, object> myDict = new Dictionary<string, object>();
                            myDict.Add("LinkID", client.Id);
                            myDict.Add("LastLoginIP", deserializedPerson?.IP ?? client.IP);
                            myDict.Add("LastActionTime", DateTime.Now);
                            myDict.Add("Note", deserializedPerson?.Dat ?? "unknown");
                            MainWindowViewModel.Updata_Memory(MainWindowViewModel._userData, "User='" + deserializedPerson?.User + "'", myDict);

                            Console.WriteLine("[Log on]User[" + deserializedPerson?.User + "]Note[" + (deserializedPerson?.Dat ?? "unknown") + "]");

                            deserializedPerson!.Dat = await Command(deserializedPerson!);
                            var jsdat = JsonSerializer.Serialize(deserializedPerson);

                            e.Context.Response.Headers.Add("SUNLIGHT", "SUNLIGHT");
                            e.Context.Response.SetStatus(200, "success");
                            e.Context.Response.SetContent(jsdat);
                            await e.Context.Response.AnswerAsync();
                        }
                        else
                        {//停用账号关闭连接
                         //client.SendAsync("Account Deactivated");
                            e.Context.Response.Headers.Add("SUNLIGHT", "SUNLIGHT");
                            e.Context.Response.SetStatus(200, "success");
                            e.Context.Response.SetContent("Account Deactivated");
                            await e.Context.Response.AnswerAsync();
                        }
                    }
                    else
                    { //无效账号关闭连接
                      //client.SendAsync("Invalid Account");
                        e.Context.Response.Headers.Add("SUNLIGHT", "SUNLIGHT");
                        e.Context.Response.SetStatus(200, "success");
                        e.Context.Response.SetContent("Invalid Account");
                        await e.Context.Response.AnswerAsync();
                    }
                }
                catch (Exception ex)
                {//错误
                    LogGing.ERRDATA(ex);
                    Console.WriteLine("Http:" + ex.ToString());
                    //client.SendAsync("Target instruction parsing error manager will close connection");                    
                }


                /* if (request.IsGet() && request.UrlEquals("/success"))
                 {
                     //直接响应文字
                     await response
                          .SetStatus(200, "success")
                          .FromText("Success")
                          .AnswerAsync();//直接回应
                     Console.WriteLine("处理/success");
                     return;
                 }


                 //无法处理，调用下一个插件
                 await e.InvokeNext();*/
            }
        }

        public static async Task<string> Command(Person deserializedPerson)//
        {
            string Command = "", ret = "";

            Dictionary<string, object> data_ = new Dictionary<string, object>();
            var deserialized = JsonSerializer.Deserialize<Dictionary<string, object>>(deserializedPerson.Dat)!;
            if (deserialized.TryGetValue("Command", out var val) && val != null) Command = val.ToString()!;
            if (Command == "Log")//回复请求的信息
            {
                DataRow? _user = MainWindowViewModel.Selet_Row(MainWindowViewModel._userData, "User='" +
                             deserializedPerson?.User + "' and Password ='" + deserializedPerson?.Password + "'");

                data_.Add("Enterprise", _user?.Field<object>("Enterprise") ?? "");
                data_.Add("Department", _user?.Field<object>("Department") ?? "");
                data_.Add("Groups", _user?.Field<object>("Groups") ?? "");
                data_.Add("UserId", _user?.Field<object>("UserID") ?? "");
                data_.Add("UserName", _user?.Field<object>("Name") ?? "");
                ret = JsonSerializer.Serialize(data_);
            }
            if (Command == "Info")//回复info请求的信息
            {
                var t = ToList(MainWindowViewModel._machines).ToJsonString();
                //格式化返回信息
                data_.Add("Info", t);
                ret = JsonSerializer.Serialize(data_);
            }
            if (Command == "Query")//回复Query请求的信息
            {
                string s_ = deserialized.GetValue("StartTime").ToString()!;
                string e_ = deserialized.GetValue("EndTime").ToString()!;
                string f_ = deserialized.GetValue("Field").ToString()!;

                DataTable resultTable = await MainWindowViewModel.dataBase.ExecuteQueryAsync("SELECT " +
                    f_ + " FROM [dbo].[Dyelots] " + "WHERE CreationTime>'" + s_ + "'and CreationTime<'" + e_ + "'");
                //格式化返回信息
                data_.Add("Query", Newtonsoft.Json.JsonConvert.SerializeObject(resultTable));
                ret = JsonSerializer.Serialize(data_);
            }
            if (Command == "QueryDyelot")//回复QueryDyelot请求的信息
            {
                string d_ = deserialized.GetValue("DyelotName").ToString()!;
                string f_ = deserialized.GetValue("Field").ToString()!;

                DataTable resultTable = await MainWindowViewModel.dataBase.ExecuteQueryAsync("SELECT " +
                    f_ + " FROM [dbo].[Dyelots] " + "WHERE Dyelot LIKE '" + d_ + "%'");
                //格式化返回信息
                data_.Add("Query", Newtonsoft.Json.JsonConvert.SerializeObject(resultTable));
                ret = JsonSerializer.Serialize(data_);
            }
            if (Command == "QueryDetail")//回复info请求的信息
            {
                string d_ = deserialized.GetValue("Dyelot").ToString()!;
                string r_ = deserialized.GetValue("ReDye").ToString()!;
                string f_ = deserialized.GetValue("Field").ToString()!;

                DataTable resultTable = await MainWindowViewModel.dataBase.ExecuteQueryAsync("SELECT " +
                    f_ + " FROM [dbo].[DyelotsBulkedRecipe] " + "WHERE Dyelot='" + d_ + "'and ReDye='" + r_ + "'");
                //格式化返回信息
                data_.Add("QueryDetail", Newtonsoft.Json.JsonConvert.SerializeObject(resultTable));
                ret = JsonSerializer.Serialize(data_);
            }

           return ret;
        }

        public static List<Dictionary<string, object?>>? ToList(DataTable table)//datatable转list
        {
            if (table == null) return null;

            // 使用 AsEnumerable() 将 DataTable 转换为 IEnumerable<DataRow>
            // 然后投影为 Dictionary
            return table.AsEnumerable().Select(row =>
                table.Columns.Cast<DataColumn>().ToDictionary(
                    col => col.ColumnName,
                    col => {
                        var value = row[col];
                        // 核心修改：如果是数据库空值 DBNull.Value，则转为 C# 的 null，否则保持原值
                        return value == DBNull.Value ? null : value;
                    }
                )
            ).ToList();
        }

    }
}