102 lines
3.0 KiB
C#
102 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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/// 帖子图片列表Service业务层处理
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/// </summary>
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[AppService(ServiceType = typeof(IT_PostImagesService), ServiceLifetime = LifeTime.Transient)]
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public class T_PostImagesService : BaseService<T_PostImages>, IT_PostImagesService
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{
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/// <summary>
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/// 查询帖子图片列表列表
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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_PostImagesDto> GetList(T_PostImagesQueryDto 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_PostImages, T_PostImagesDto>(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_PostImages 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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/// 添加帖子图片列表
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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_PostImages AddT_PostImages(T_PostImages 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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/// 修改帖子图片列表
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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_PostImages(T_PostImages model)
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{
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return Update(model, true, "修改帖子图片列表");
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}
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/// <summary>
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/// 导出帖子图片列表
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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_PostImagesDto> ExportList(T_PostImagesQueryDto 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_PostImagesDto()
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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_PostImages> QueryExp(T_PostImagesQueryDto parm)
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{
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var predicate = Expressionable.Create<T_PostImages>();
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predicate = predicate.AndIF(parm.PostId != null, it => it.PostId == parm.PostId);
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return predicate;
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}
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}
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} |