ds8-solution-pro/ds-wms-service/DS.WMS.PrintApi/Middleware/SaasDbService.cs

using DS.WMS.PrintApi.Model;
using Microsoft.Extensions.DependencyInjection;
using NLog;
using SqlSugar;
using System;

namespace DS.WMS.PrintApi.Middleware
{
    public class SaasDbService: ISaasDbService
    {
        private readonly IServiceProvider _serviceProvider;
        private readonly SqlSugarScope db;
        private readonly ISaasDbService saasService;
        private static readonly Logger Logger = LogManager.GetCurrentClassLogger();

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="serviceProvider"></param>
        public SaasDbService(IServiceProvider serviceProvider)
        {
            _serviceProvider = serviceProvider;
            db = (SqlSugarScope)_serviceProvider.GetRequiredService<ISqlSugarClient>();
        }


        /// <summary>
        /// 获取主库信息
        /// </summary>
        /// <returns></returns>
        public ISqlSugarClient GetMasterDb()
        {
            return db.GetConnection("1288018625843826688");
        }
        /// <summary>
        /// 主库根据Id获取业务库Scope
        /// </summary>
        /// <param name="configId"></param>
        /// <returns></returns>
        public SqlSugarScopeProvider GetBizDbScopeById(object configId)
        {
            if (!db.IsAnyConnection(configId))
            {
                var connInfo = GetMasterDb().Queryable<SysTenantLink>().Filter(null,true).First(x => x.TenantId == Convert.ToInt64(configId));
                //用非默认ConfigId进行测试
                //添加业务库只在当前上下文有效（原理：SqlSugarScope模式入门文档去看） 
                db.AddConnection(new ConnectionConfig()
                {
                    ConfigId = configId,
                    ConnectionString = connInfo.Connection,
                    DbType = connInfo.DbType,
                    IsAutoCloseConnection = true
                });
                var dbProvider = db.GetConnectionScope(configId);
                dbProvider.Ado.CommandTimeOut = 30;
                dbProvider.Aop.OnLogExecuting = (sql, pars) =>
                {
                    //执行前事件
                    //Logger.Log(LogLevel.Info,
                    //    DateTime.Now.ToString() + "\r\n" +
                    //    UtilMethods.GetSqlString(c.DbType, sql, pars));

                    string sqlStr = sql;
                    foreach (var item in pars)
                    {
                        if (item.Value != null && item.Value != DBNull.Value)
                        {
                            string? strValue = string.Empty;
                            if (item.DbType == System.Data.DbType.String)
                            {
                                strValue = "'" + (string)item.Value + "'";
                            }
                            else if (item.DbType == System.Data.DbType.Boolean)
                            {
                                strValue = (bool)item.Value ? "1" : "0";
                            }
                            else
                            {
                                strValue = item.Value.ToString();
                            }

                            sqlStr = sqlStr.Replace(item.ParameterName, strValue);
                        }
                    }

                    Console.WriteLine("执行的SQL：" + Environment.NewLine + sqlStr);
                };

                //数据处理事件
                dbProvider.Aop.DataExecuting = (oldValue, entityInfo) =>
                { 
                };

                dbProvider.Aop.OnDiffLogEvent = it =>
                {
                    //排除日志库操作
                    if (Convert.ToInt64(configId) != 1288018625843826680)
                    {
                       
                    }

                };
            }

            return db.GetConnectionScope(configId);
        }

        public SqlSugarScopeProvider GetMasterDbScope()
        {
            return db.GetConnectionScope("1288018625843826688");
        }
    }
}