105 lines
3.3 KiB
C#
105 lines
3.3 KiB
C#
using Infrastructure.Attribute;
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using Infrastructure.Extensions;
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using ZR.LiveForum.Model.Liveforum.Dto;
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using ZR.LiveForum.Model.Liveforum;
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using ZR.Repository;
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using ZR.Service.Liveforum.ILiveforumService;
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namespace ZR.Service.Liveforum
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{
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/// <summary>
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/// 消息记录Service业务层处理
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/// </summary>
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[AppService(ServiceType = typeof(IT_MessagesService), ServiceLifetime = LifeTime.Transient)]
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public class T_MessagesService : BaseService<T_Messages>, IT_MessagesService
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{
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/// <summary>
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/// 查询消息记录列表
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/// </summary>
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/// <param name="parm"></param>
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/// <returns></returns>
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public PagedInfo<T_MessagesDto> GetList(T_MessagesQueryDto parm)
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{
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var predicate = QueryExp(parm);
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var response = Queryable()
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//.OrderBy("Id desc")
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.Where(predicate.ToExpression())
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.ToPage<T_Messages, T_MessagesDto>(parm);
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return response;
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}
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/// <summary>
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/// 获取详情
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/// </summary>
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/// <param name="Id"></param>
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/// <returns></returns>
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public T_Messages GetInfo(long Id)
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{
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var response = Queryable()
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.Where(x => x.Id == Id)
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.First();
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return response;
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}
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/// <summary>
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/// 添加消息记录
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/// </summary>
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/// <param name="model"></param>
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/// <returns></returns>
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public T_Messages AddT_Messages(T_Messages model)
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{
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return Insertable(model).ExecuteReturnEntity();
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}
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/// <summary>
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/// 修改消息记录
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/// </summary>
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/// <param name="model"></param>
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/// <returns></returns>
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public int UpdateT_Messages(T_Messages model)
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{
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return Update(model, true);
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}
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/// <summary>
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/// 查询导出表达式
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/// </summary>
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/// <param name="parm"></param>
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/// <returns></returns>
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private static Expressionable<T_Messages> QueryExp(T_MessagesQueryDto parm)
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{
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var predicate = Expressionable.Create<T_Messages>();
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predicate = predicate.AndIF(parm.ReceiverId != null, it => it.ReceiverId == parm.ReceiverId);
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predicate = predicate.AndIF(parm.MessageType != null, it => it.MessageType == parm.MessageType);
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return predicate;
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}
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/// <summary>
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/// 发送系统通知消息
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/// </summary>
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/// <param name="receiverId">接收者用户ID</param>
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/// <param name="messageContent">消息内容</param>
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/// <param name="contentId">关联的内容ID（可选）</param>
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/// <returns></returns>
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public T_Messages SendSystemNotification(long receiverId, string messageContent, long? contentId = null)
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{
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var message = new T_Messages
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{
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ReceiverId = receiverId,
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SenderId = null, // 系统消息
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MessageType = 4, // 系统通知
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ContentType = 3, // 用户
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ContentId = contentId,
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MessageContent = messageContent,
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IsRead = false,
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CreatedAt = DateTime.Now
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};
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return AddT_Messages(message);
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}
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}
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} |