first commit

DOAN.ServiceCore/Services/UserOnlineLogService.cs

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+using Infrastructure.Attribute;
+using DOAN.Model;
+using DOAN.Model.Dto;
+using DOAN.Model.Models;
+using DOAN.Model.System;
+using DOAN.Repository;
+using DOAN.ServiceCore.Monitor.IMonitorService;
+
+namespace DOAN.ServiceCore.Monitor
+{
+    /// <summary>
+    /// 用户在线时长Service业务层处理
+    /// </summary>
+    [AppService(ServiceType = typeof(IUserOnlineLogService), ServiceLifetime = LifeTime.Transient)]
+    public class UserOnlineLogService : BaseService<UserOnlineLog>, IUserOnlineLogService
+    {
+        /// <summary>
+        /// 查询用户在线时长列表
+        /// </summary>
+        /// <param name="parm"></param>
+        /// <returns></returns>
+        public PagedInfo<UserOnlineLogDto> GetList(UserOnlineLogQueryDto parm)
+        {
+            var predicate = QueryExp(parm);
+
+            var response = Queryable()
+                //.OrderBy("Id desc")
+                .Where(predicate.ToExpression())
+                .LeftJoin<SysUser>((it, u) => it.UserId == u.UserId)
+                .Select((it, u) => new UserOnlineLogDto()
+                {
+                    NickName = u.NickName
+                }, true)
+                .ToPage(parm);
+
+            return response;
+        }
+
+        /// <summary>
+        /// 添加用户在线时长
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public UserOnlineLog AddUserOnlineLog(UserOnlineLog model)
+        {
+            if (model.OnlineTime >= 0.5)
+            {
+                Insertable(model).ExecuteReturnSnowflakeId();
+            }
+            return model;
+        }
+
+        /// <summary>
+        /// 导出用户在线时长
+        /// </summary>
+        /// <param name="parm"></param>
+        /// <returns></returns>
+        public PagedInfo<UserOnlineLogDto> ExportList(UserOnlineLogQueryDto parm)
+        {
+            var predicate = QueryExp(parm);
+
+            var response = Queryable()
+                .Where(predicate.ToExpression())
+                .Select((it) => new UserOnlineLogDto()
+                {
+                }, true)
+                .ToPage(parm);
+
+            return response;
+        }
+
+        /// <summary>
+        /// 查询导出表达式
+        /// </summary>
+        /// <param name="parm"></param>
+        /// <returns></returns>
+        private static Expressionable<UserOnlineLog> QueryExp(UserOnlineLogQueryDto parm)
+        {
+            var predicate = Expressionable.Create<UserOnlineLog>();
+
+            predicate = predicate.AndIF(parm.UserId != null, it => it.UserId == parm.UserId);
+            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.UserIP), it => it.UserIP == parm.UserIP);
+            predicate = predicate.AndIF(parm.BeginAddTime == null, it => it.AddTime >= DateTime.Now.ToShortDateString().ParseToDateTime());
+            predicate = predicate.AndIF(parm.BeginAddTime != null, it => it.AddTime >= parm.BeginAddTime);
+            return predicate;
+        }
+    }
+}