103 lines
3.0 KiB
C#
103 lines
3.0 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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/// 关注记录Service业务层处理
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/// </summary>
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[AppService(ServiceType = typeof(IT_FollowsService), ServiceLifetime = LifeTime.Transient)]
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public class T_FollowsService : BaseService<T_Follows>, IT_FollowsService
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{
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/// <summary>
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/// 查询关注记录列表
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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_FollowsDto> GetList(T_FollowsQueryDto 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_Follows, T_FollowsDto>(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_Follows 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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/// 添加关注记录
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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_Follows AddT_Follows(T_Follows 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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/// 修改关注记录
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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_Follows(T_Follows 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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/// 导出关注记录
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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_FollowsDto> ExportList(T_FollowsQueryDto parm)
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{
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parm.PageNum = 1;
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parm.PageSize = 100000;
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var predicate = QueryExp(parm);
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var response = Queryable()
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.Where(predicate.ToExpression())
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.Select((it) => new T_FollowsDto()
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{
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}, true)
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.ToPage(parm);
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return response;
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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_Follows> QueryExp(T_FollowsQueryDto parm)
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{
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var predicate = Expressionable.Create<T_Follows>();
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predicate = predicate.AndIF(parm.FollowerId != null, it => it.FollowerId == parm.FollowerId);
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predicate = predicate.AndIF(parm.FollowedUserId != null, it => it.FollowedUserId == parm.FollowedUserId);
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return predicate;
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}
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}
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} |