659 lines
30 KiB
C#
659 lines
30 KiB
C#
using ClockSnowFlake;
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using dy.net.model.dto;
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using dy.net.model.entity;
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using dy.net.repository;
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using dy.net.utils;
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using Serilog;
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using SqlSugar;
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namespace dy.net.service
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{
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public class DouyinVideoService
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{
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private readonly ISqlSugarClient sqlSugarClient;
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private readonly DouyinVideoRepository _dyCollectVideoRepository;
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private readonly DouyinCookieRepository douyinCookieRepository;
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public DouyinVideoService(DouyinVideoRepository dyCollectVideoRepository, DouyinCookieRepository douyinCookieRepository, ISqlSugarClient sqlSugarClient)
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{
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_dyCollectVideoRepository = dyCollectVideoRepository;
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this.douyinCookieRepository = douyinCookieRepository;
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this.sqlSugarClient = sqlSugarClient;
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}
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public async Task<bool> DeleteById(string Id)
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{
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return await _dyCollectVideoRepository.DeleteByIdAsync(Id);
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}
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public async Task<bool> BatchInsertOrUpdate(List<DouyinVideo> videos)
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{
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// 边界处理：传入列表为空直接返回成功
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if (videos == null || !videos.Any())
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return true;
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// 1. 提取所有AwemeId（无需去重，用户保证无重复）
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var allAwemeIds = videos.Select(v => v.AwemeId).ToList();
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// 2. 查询数据库中已存在的视频记录（用于后续更新）
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var existingVideos = await _dyCollectVideoRepository
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.Query(x => allAwemeIds.Contains(x.AwemeId))
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.ToListAsync();
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// 3. 分拆数据集：不存在的（插入）、已存在的（更新）
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var existingAwemeIdSet = existingVideos.Select(v => v.AwemeId).ToHashSet();
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var videosToInsert = videos
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.Where(v => !existingAwemeIdSet.Contains(v.AwemeId))
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.ToList();
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var videosToUpdate = videos
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.Where(v => existingAwemeIdSet.Contains(v.AwemeId))
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.ToList();
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// 4. 事务包裹：确保插入/更新原子性
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var transaction = await _dyCollectVideoRepository.UseTranAsync(async () =>
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{
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int insertedCount = 0;
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int updatedCount = 0;
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// 5. 批量插入新记录
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if (videosToInsert.Any())
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{
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insertedCount = await _dyCollectVideoRepository.InsertRangeAsync(videosToInsert);
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}
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// 6. 批量更新已存在记录（核心逻辑）
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if (videosToUpdate.Any())
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{
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// 建立AwemeId与待更新数据的映射（O(1)匹配效率）
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var updateMap = videosToUpdate.ToDictionary(v => v.AwemeId);
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// 遍历已存在实体，赋值需要更新的字段
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List<DouyinVideo> updates = new List<DouyinVideo>();
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foreach (var existingVideo in existingVideos)
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{
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if (updateMap.TryGetValue(existingVideo.AwemeId, out var updateData))
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{
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existingVideo.VideoSavePath = updateData.VideoSavePath;
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existingVideo.VideoCoverSavePath = updateData.VideoCoverSavePath;
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existingVideo.ViedoType = updateData.ViedoType;
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}
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}
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// 批量更新数据库
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updatedCount = await _dyCollectVideoRepository.UpdateRangeAsync(existingVideos);
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}
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//foreach (var item in videos.Where(x=>x.ViedoType==VideoTypeEnum.dy_collects||x.ViedoType == VideoTypeEnum.dy_favorite).GroupBy(x => x.AuthorId))
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//{
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//}
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}, ex =>
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{
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Serilog.Log.Error(ex, "批量插入/更新抖音视频失败，AwemeIds：{AwemeIds}", string.Join(",", allAwemeIds));
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});
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return transaction;
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}
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public async Task<bool> UpdateOne(DouyinVideo video)
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{
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return await _dyCollectVideoRepository.UpdateAsync(video);
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}
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public async Task<VideoStaticsDto> GetStatics()
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{
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List<DouyinVideo> list = await this._dyCollectVideoRepository.GetAllAsync();
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if (!list.Any())
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return new VideoStaticsDto();
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var Categories = list.GroupBy(x => x.Tag1).Select(x => new VideoStaticsItemDto { Name = x.Key, Count = x.LongCount() }).OrderByDescending(p => p.Count).ToList();
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Categories.Where(x => string.IsNullOrWhiteSpace(x.Name)).ToList().ForEach(x => x.Name = "其他");
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var data = new VideoStaticsDto
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{
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AuthorCount = list.Select(x => x.AuthorId).Distinct().Count(),
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CategoryCount = list.Select(x => x.Tag1).Distinct().Count(),
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VideoCount = list.Count,
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Categories = Categories,
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FavoriteCount = list.Count(x => x.ViedoType == VideoTypeEnum.dy_favorite),
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CollectCount = list.Count(x => x.ViedoType == VideoTypeEnum.dy_collects || x.ViedoType == VideoTypeEnum.dy_custom_collect),
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FollowCount = list.Count(x => x.ViedoType == VideoTypeEnum.dy_follows),
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GraphicVideoCount = list.Count(x => x.IsMergeVideo == 1),
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MixCount = list.Count(x => x.ViedoType == VideoTypeEnum.dy_mix),
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SeriesCount = list.Count(x => x.ViedoType == VideoTypeEnum.dy_series),
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VideoSizeTotal = DouyinFileUtils.ConvertBytesToGb(list.Sum(x => x.FileSize)),
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VideoFavoriteSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.ViedoType == VideoTypeEnum.dy_favorite).Sum(x => x.FileSize)),
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VideoCollectSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.ViedoType == VideoTypeEnum.dy_collects || x.ViedoType == VideoTypeEnum.dy_custom_collect).Sum(x => x.FileSize)),
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VideoFollowSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.ViedoType == VideoTypeEnum.dy_follows).Sum(x => x.FileSize)),
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VideoMixSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.ViedoType == VideoTypeEnum.dy_mix).Sum(x => x.FileSize)),
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VideoSeriesSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.ViedoType == VideoTypeEnum.dy_series).Sum(x => x.FileSize)),
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GraphicVideoSize = DouyinFileUtils.ConvertBytesToGb(list.Where(x => x.IsMergeVideo == 1).Sum(x => x.FileSize)),
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//TotalDiskSize= ByteToGbConverter.GetHostTotalDiskSpaceGB(),
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};
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if (data.GraphicVideoSize == "0.00")
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{
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if (list.Where(x => x.IsMergeVideo == 1).Sum(x => x.FileSize) > 0)
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{
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data.GraphicVideoSize = "<0.01";//避免显示0.00误导用户
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}
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}
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if (data.VideoFavoriteSize == "0.00")
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{
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data.VideoFavoriteSize = "<0.01";//避免显示0.00误导用户
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}
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if (data.VideoCollectSize == "0.00")
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{
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data.VideoCollectSize = "<0.01";//避免显示0.00误导用户
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}
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if (data.VideoFollowSize == "0.00")
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{
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data.VideoFollowSize = "<0.01";//避免显示0.00误导用户
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}
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if (data.VideoMixSize == "0.00")
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{
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data.VideoMixSize = "<0.01";//避免显示0.00误导用户
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}
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if (data.VideoSeriesSize == "0.00")
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{
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data.VideoSeriesSize = "<0.01";//避免显示0.00误导用户
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}
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data.Authors = list.GroupBy(x => x.Author).Select(x => new VideoStaticsItemDto
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{
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Name = x.Key,
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Count = x.LongCount(),
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Icon = x.LastOrDefault()?.AuthorAvatarUrl,
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UperId = x.LastOrDefault()?.AuthorId ?? x.LastOrDefault()?.DyUserId
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}).OrderByDescending(d => d.Count).ToList();
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return data;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="awemeId"></param>
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/// <returns></returns>
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public async Task<DouyinVideo> GetByAwemeId(string awemeId)
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{
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return await _dyCollectVideoRepository.GetFirstAsync(x => x.AwemeId == awemeId);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="dto"></param>
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/// <returns></returns>
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public async Task<(List<DouyinVideo> list, int totalCount)> GetPagedAsync(DouyinVideoPageRequestDto dto)
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{
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return await _dyCollectVideoRepository.GetPagedAsync(dto);
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}
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public async Task<List<DouyinVideo>> GetAllAsync()
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{
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return await _dyCollectVideoRepository.GetAllAsync();
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}
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/// <summary>
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/// 关注的博主的视频如果配置为视频标题作为文件名，生成文件名
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/// </summary>
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/// <param name="AuthorId"></param>
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/// <param name="ViedoNameSimplify"></param>
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/// <returns></returns>
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public (string, string) GetUperLastViedoFileName(string AuthorId, string ViedoNameSimplify)
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{
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return _dyCollectVideoRepository.GetUperLastViedoFileName(AuthorId, ViedoNameSimplify);
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}
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/// <summary>
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/// 根据ID获取视频信息
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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public async Task<DouyinVideo> GetById(string id)
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{
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return await _dyCollectVideoRepository.GetByIdAsync(id);
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}
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/// <summary>
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/// 重新下载选中的视频
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/// </summary>
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/// <param name="dto">重新下载请求DTO（包含待处理视频ID列表）</param>
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/// <returns>是否执行成功（true=流程执行完成，false=无有效数据或执行失败）</returns>
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/// <exception cref="ArgumentNullException">DTO或ID列表为空时抛出</exception>
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/// <exception cref="IOException">文件操作失败时抛出（可根据业务调整处理方式）</exception>
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public async Task<bool> ReDownloadViedoAsync(ReDownViedoDto dto, bool forever = false)
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{
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// 1. 严格参数校验（避免无效流程）
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if (dto == null)
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throw new ArgumentNullException(nameof(dto), "重新下载请求DTO不能为空");
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if (dto.Ids == null || !dto.Ids.Any())
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{
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Serilog.Log.Error("重新下载视频失败：待处理视频ID列表为空");
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return false;
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}
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// 2. 查询有效视频记录（去重+非空校验，避免无效处理）
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var videoIds = dto.Ids.Distinct().ToList(); // 去重，减少数据库查询和操作
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var videos = await _dyCollectVideoRepository.GetByIds(videoIds);
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if (videos == null || !videos.Any())
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{
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Serilog.Log.Debug("未查询到有效视频记录：Ids={0}", string.Join(",", videoIds));
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return false;
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}
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// 3. 构建重新下载记录（提前准备数据，避免事务内耗时操作）
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var reDownList = new List<DouyinReDownload>();
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var filePathsToDelete = new List<(string path, bool onlyImgOrMp3)>(); // 收集待删除文件路径，统一处理
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foreach (var video in videos)
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{
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// 跳过无保存路径的视频（避免无效文件操作）
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if (string.IsNullOrWhiteSpace(video.VideoSavePath))
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{
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Serilog.Log.Debug("视频无保存路径，跳过文件删除：VideoId={0}", video.Id);
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continue;
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}
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// 构建重新下载记录
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reDownList.Add(new DouyinReDownload
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{
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Id = IdGener.GetLong().ToString(),
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CreateTime = DateTime.UtcNow, // 统一使用UTC时间，避免时区问题
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Status = 0, // 0=待下载（建议用枚举替代魔法值）
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SavePath = video.VideoSavePath,
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ViedoId = video.AwemeId,
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CookieId = video.CookieId
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});
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filePathsToDelete.Add((video.VideoSavePath, video.OnlyImgOrOnlyMp3));
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}
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// 无有效重新下载记录时直接返回
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if (!reDownList.Any())
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{
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Serilog.Log.Debug("无有效重新下载记录需要创建：VideoIds={0}", string.Join(",", videoIds));
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return false;
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}
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try
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{
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// 4. 数据库操作（事务保证一致性：创建重新下载记录 + 删除原视频记录必须同时成功/失败）
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var transactionResult = await _dyCollectVideoRepository.UseTranAsync(async () =>
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{
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// 4.1 批量插入重新下载记录（SqlSugar批量插入效率更高）
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_dyCollectVideoRepository.InsertReDowns(reDownList);
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// 4.2 批量删除原视频记录（使用视频实际存在的ID，避免无效删除）
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var actualDeleteIds = videos.Select(v => v.Id).ToList();
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var deleteCount = await _dyCollectVideoRepository.DeleteByIdsAsync(actualDeleteIds); // 建议仓储层提供异步删除方法
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}, e =>
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{
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Serilog.Log.Error(e, "数据库事务执行失败：Ids={0}", string.Join(",", videoIds));
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});
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// 5. 文件删除（非事务操作，失败不回滚数据库，可根据业务调整）
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// 采用异步文件操作，避免同步IO阻塞线程（需.NET 5+支持）
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foreach (var video in filePathsToDelete)
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{
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try
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{
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if (File.Exists(video.path))
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{
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File.Delete(video.path); // 异步删除，提升并发性能
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Serilog.Log.Debug("视频文件删除成功：Path={0}", video);
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if (!video.onlyImgOrMp3)//如果是纯图片或纯音频文件，则不删除所在文件夹
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{
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//检查这个路径所在文件夹是否还有其他视频文件，如果没有则删除这个文件夹
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var dir = Path.GetDirectoryName(video.Item1);
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bool hasMp4File = Directory.EnumerateFiles(dir, "*.mp4", SearchOption.TopDirectoryOnly).Any(); // 只要存在一个MP4文件就返回true；
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if (!hasMp4File)
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{
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Directory.Delete(dir, true);
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}
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}
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}
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else
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{
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Serilog.Log.Error("视频文件不存在，跳过删除：Path={0}", video);
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}
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}
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catch (IOException ex)
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{
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Serilog.Log.Error(ex, "视频文件删除失败：Path={0}", video);
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}
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}
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//var CookieIds = reDownList.Select(x => x.CookieId).Distinct();
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//foreach (var ck in CookieIds)
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//{
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// var cookie = douyinCookieRepository.GetById(ck);
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// if (cookie == null)
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// continue;
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// var viedoTypes = videos.Where(x => x.CookieId == ck).Select(x => x.ViedoType).Distinct();
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// //if (viedoTypes != null && viedoTypes.Any())
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// //{
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// // foreach (VideoTypeEnum item in viedoTypes)
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// // {
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// // switch (item)
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// // {
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// // case VideoTypeEnum.dy_favorite:
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// // cookie.FavHasSyncd = 0;
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// // break;
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// // case VideoTypeEnum.dy_collects:
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// // cookie.CollHasSyncd = 0;
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// // break;
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// // case VideoTypeEnum.dy_follows:
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// // cookie.UperSyncd = 0;
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// // break;
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// // case VideoTypeEnum.ImageVideo:
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// // break;
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// // default:
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// // break;
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// // }
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// // }
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// //}
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// await douyinCookieRepository.UpdateAsync(cookie);
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//}
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if (!forever)
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Serilog.Log.Debug("重新下载视频流程执行完成：成功创建{0}条重新下载记录，删除{1}个文件,等待重新下载...", reDownList.Count, filePathsToDelete.Count);
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return true;
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}
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catch (Exception ex)
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{
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Serilog.Log.Error(ex, "重新下载视频执行失败：Ids={0}", string.Join(",", videoIds));
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return false;
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}
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}
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public async Task<List<DouyinVideoTopDto>> GetLastSyncTop(int top = 5)
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{
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return await _dyCollectVideoRepository.GetTopsOrderBySyncTime(top);
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public async Task<List<VideoChartItemDto>> GetChartData(int day = 7)
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{
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var date = DateTime.Now.AddDays(-day);
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var list = await _dyCollectVideoRepository.GetListAsync(x => x.SyncTime > date);
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var resultData = list.GroupBy(x => x.SyncTime.ToString("yyyyMMdd")).Select(g => new VideoChartItemDto
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{
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Date = g.Key,
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Collect = g.Count(x => x.ViedoType == VideoTypeEnum.dy_collects || x.ViedoType == VideoTypeEnum.dy_custom_collect),
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Favorite = g.Count(x => x.ViedoType == VideoTypeEnum.dy_favorite),
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Follow = g.Count(x => x.ViedoType == VideoTypeEnum.dy_follows),
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Graphic = g.Count(x => string.IsNullOrEmpty(x.FileHash)),
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Mix = g.Count(x => x.ViedoType == VideoTypeEnum.dy_mix),
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Series = g.Count(x => x.ViedoType == VideoTypeEnum.dy_series),
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})
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.ToList();
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return resultData;
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}
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/// <summary>
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/// 删除无效记录（记录存在，用户手动把目录下的视频删了的情况，视频记录依然存在）
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/// </summary>
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/// <returns></returns>
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public async Task<List<DeleteInvalidVideoDto>> DeleteInvalidVideo()
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{
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var videos = await _dyCollectVideoRepository.GetAllAsync();
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List<DeleteInvalidVideoDto> vList = new List<DeleteInvalidVideoDto>();
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List<string> douyinVideoIds = new List<string>();
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foreach (var v in videos)
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{
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if (!File.Exists(v.VideoSavePath))
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{
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douyinVideoIds.Add(v.Id);
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vList.Add(new DeleteInvalidVideoDto { AwId = v.AwemeId, Title = v.VideoTitle, Path = v.VideoSavePath });
|
||
}
|
||
}
|
||
|
||
if (douyinVideoIds.Any())
|
||
{
|
||
await _dyCollectVideoRepository.DeleteByIdsAsync(douyinVideoIds);
|
||
}
|
||
|
||
return vList;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 根据博主ID获取视频列表
|
||
/// </summary>
|
||
/// <param name="uperUid"></param>
|
||
/// <returns></returns>
|
||
internal async Task<List<DouyinVideo>> GetByAuthorId(string uperUid)
|
||
{
|
||
return await _dyCollectVideoRepository.GetListAsync(x => x.DyUserId == uperUid);
|
||
}
|
||
|
||
|
||
internal async Task<int> AddDeleteVideo(List<DouyinVideo> videos)
|
||
{
|
||
var deletes = videos.Select(video => new DouyinVideoDelete
|
||
{
|
||
ViedoId = video.AwemeId,
|
||
VideoTitle = video.VideoTitle,
|
||
VideoSavePath = video.VideoSavePath,
|
||
Id = IdGener.GetLong().ToString(),
|
||
DeleteTime = DateTime.Now
|
||
})?.ToList();
|
||
|
||
return await sqlSugarClient.Insertable<DouyinVideoDelete>(deletes).ExecuteCommandAsync();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 彻底删除视频
|
||
/// </summary>
|
||
/// <param name="Ids"></param>
|
||
/// <returns></returns>
|
||
public async Task<bool> RealDeleteVideos(List<string> Ids)
|
||
{
|
||
if (Ids == null || !Ids.Any())
|
||
return false;
|
||
var videos = await _dyCollectVideoRepository.GetListAsync(x => Ids.Contains(x.Id));
|
||
|
||
if (videos != null && videos.Count > 0)
|
||
{
|
||
if (videos.Count <= 30)
|
||
{
|
||
var result = await ReDownloadViedoAsync(new ReDownViedoDto { Ids = videos.Select(x => x.Id)?.ToList() }, true);
|
||
if (result)
|
||
{
|
||
//加入删除逻辑
|
||
var deletes = await AddDeleteVideo(videos);
|
||
Serilog.Log.Debug($"批量永久删除博主{videos.FirstOrDefault()?.Author}，共{deletes}条记录");
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
Serilog.Log.Error($"批量删除{videos.FirstOrDefault()?.Author}视频失败");
|
||
return false;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
Task.Run(async () =>
|
||
{
|
||
var result = await ReDownloadViedoAsync(new ReDownViedoDto { Ids = videos.Select(x => x.Id)?.ToList() }, true);
|
||
if (result)
|
||
{
|
||
//加入删除逻辑
|
||
var deletes = await AddDeleteVideo(videos);
|
||
Serilog.Log.Debug($"批量永久删除博主{videos.FirstOrDefault()?.Author}，{deletes}条记录");
|
||
}
|
||
else
|
||
{
|
||
Serilog.Log.Error($"批量删除{videos.FirstOrDefault()?.Author}视频失败");
|
||
}
|
||
});
|
||
return true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
Serilog.Log.Error($"没有查询到可删除的视频");
|
||
return false;
|
||
}
|
||
|
||
}
|
||
|
||
/// <summary>
|
||
///
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public async Task<bool> HandOldFolderVideos()
|
||
{
|
||
// 1. 查询目标数据
|
||
var list = await _dyCollectVideoRepository.GetListAsync(x => x.ViedoType == VideoTypeEnum.dy_favorite || x.ViedoType == VideoTypeEnum.dy_collects);
|
||
// 缓存已处理的「Tag1+下一级文件夹」组合（避免重复移动）
|
||
var processedFolderPairs = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
||
|
||
foreach (var item in list)
|
||
{
|
||
// 跳过空值（Tag1/Author为空）
|
||
if (string.IsNullOrEmpty(item.Tag1) || string.IsNullOrEmpty(item.Author))
|
||
{
|
||
Log.Debug($"跳过：Tag1/Author为空，ItemId={item.Id}");
|
||
continue;
|
||
}
|
||
|
||
try
|
||
{
|
||
// 2. 标准化路径 + 拆分路径层级（核心：精准定位Tag1和其下一级文件夹）
|
||
string oldVideoPath = item.VideoSavePath;
|
||
// 统一分隔符为/，方便拆分层级
|
||
string standardPath = oldVideoPath.Replace('\\', '/').Trim('/');
|
||
string[] pathSegments = standardPath.Split('/'); // 拆分结果：["app","collect","校园教育","期末复习xxx","文件.mp4"]
|
||
|
||
// 2.1 找到Tag1在路径中的索引（比如"校园教育"的索引是2）
|
||
int tag1Index = Array.IndexOf(pathSegments, item.Tag1);
|
||
if (tag1Index == -1 || tag1Index + 1 >= pathSegments.Length - 1)
|
||
{
|
||
Log.Debug($"跳过：无Tag1下一级文件夹，Path={oldVideoPath}，Tag1={item.Tag1}");
|
||
continue;
|
||
}
|
||
|
||
// 2.2 解析核心路径（关键！）
|
||
string tag1FolderRelative = string.Join("/", pathSegments.Take(tag1Index + 1)); // Tag1根目录（相对）：app/collect/校园教育
|
||
// Tag1根目录完整路径（如 D:/app/collect/校园教育 或 /app/collect/校园教育）
|
||
string tag1RootFolderFull = Path.GetFullPath(
|
||
Path.Combine(Path.GetPathRoot(oldVideoPath) ?? "",
|
||
tag1FolderRelative.Replace('/', Path.DirectorySeparatorChar))
|
||
);
|
||
string tag1NextLevelFolderName = pathSegments[tag1Index + 1]; // Tag1下一级文件夹名：期末复习xxx
|
||
// Tag1下一级文件夹完整路径：app/collect/校园教育/期末复习xxx
|
||
string tag1NextLevelFolderFull = Path.GetFullPath(
|
||
Path.Combine(tag1RootFolderFull, tag1NextLevelFolderName)
|
||
);
|
||
|
||
// 2.3 拼接新路径（替换Tag1为Author，保留下一级文件夹名）
|
||
// 新Author根目录完整路径：app/collect/张三
|
||
string authorRootFolderFull = tag1RootFolderFull.Replace(item.Tag1, item.Author);
|
||
// 新的下一级文件夹完整路径：app/collect/张三/期末复习xxx
|
||
string authorNextLevelFolderFull = Path.GetFullPath(
|
||
Path.Combine(authorRootFolderFull, tag1NextLevelFolderName)
|
||
);
|
||
|
||
// 2.4 防重复处理（Tag1下一级文件夹已处理则跳过）
|
||
string folderPairKey = $"{tag1NextLevelFolderFull}|{authorNextLevelFolderFull}";
|
||
if (processedFolderPairs.Contains(folderPairKey))
|
||
{
|
||
Log.Debug($"跳过：下一级文件夹已处理，Key={folderPairKey}");
|
||
continue;
|
||
}
|
||
|
||
// 3. 核心判断：检查Tag1的下一级文件夹是否有文件（而非Tag1根目录）
|
||
if (!Directory.Exists(tag1NextLevelFolderFull))
|
||
{
|
||
Log.Warning($"跳过：Tag1下一级文件夹不存在，Path={tag1NextLevelFolderFull}");
|
||
continue;
|
||
}
|
||
string[] nextLevelFiles = Directory.GetFiles(tag1NextLevelFolderFull); // 非递归，只查该文件夹下的文件
|
||
if (nextLevelFiles.Length == 0)
|
||
{
|
||
Log.Debug($"跳过：Tag1下一级文件夹无文件，Path={tag1NextLevelFolderFull}");
|
||
processedFolderPairs.Add(folderPairKey);
|
||
continue;
|
||
}
|
||
|
||
// 4. 移动Tag1的下一级文件夹（保留文件夹名，整体移动到Author目录下）
|
||
// 4.1 确保新Author目录存在
|
||
Directory.CreateDirectory(authorRootFolderFull);
|
||
|
||
// 4.2 目标文件夹已存在则跳过（如需覆盖，可删除此行+添加Directory.Delete(authorNextLevelFolderFull, true)）
|
||
if (Directory.Exists(authorNextLevelFolderFull))
|
||
{
|
||
Log.Debug($"跳过：目标下一级文件夹已存在，Path={authorNextLevelFolderFull}");
|
||
processedFolderPairs.Add(folderPairKey);
|
||
continue;
|
||
}
|
||
|
||
// 4.3 移动整个下一级文件夹（保留名称和内部所有文件）
|
||
Directory.Move(tag1NextLevelFolderFull, authorNextLevelFolderFull);
|
||
Log.Debug($"移动Tag1下一级文件夹成功：{tag1NextLevelFolderFull} → {authorNextLevelFolderFull}");
|
||
|
||
// 5. 关键新增：检查Tag1根目录是否为空，为空则删除
|
||
if (Directory.Exists(tag1RootFolderFull))
|
||
{
|
||
// 检查Tag1根目录下是否还有任何文件/文件夹
|
||
bool isTag1RootEmpty = !Directory.EnumerateFileSystemEntries(tag1RootFolderFull).Any();
|
||
if (isTag1RootEmpty)
|
||
{
|
||
Directory.Delete(tag1RootFolderFull, false); // false=仅删除空目录，避免误删
|
||
Log.Debug($"删除空Tag1根目录：{tag1RootFolderFull}");
|
||
}
|
||
else
|
||
{
|
||
Log.Debug($"Tag1根目录非空，不删除：{tag1RootFolderFull}");
|
||
}
|
||
}
|
||
|
||
// 标记已处理
|
||
processedFolderPairs.Add(folderPairKey);
|
||
|
||
// 6. 更新当前Item的视频路径（替换Tag1为Author，保留后续层级）
|
||
string newVideoPath = oldVideoPath.Replace(item.Tag1, item.Author);
|
||
item.VideoSavePath = newVideoPath;
|
||
Log.Debug($"更新Item路径：{oldVideoPath} → {newVideoPath}");
|
||
}
|
||
catch (IOException ex)
|
||
{
|
||
Log.Error(ex, $"移动失败（IO异常），ItemId={item.Id}，Path={item.VideoSavePath}");
|
||
}
|
||
catch (UnauthorizedAccessException ex)
|
||
{
|
||
Log.Error(ex, $"删除/移动失败（权限不足），ItemId={item.Id}，Path={item.VideoSavePath}");
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Log.Error(ex, $"处理失败（未知错误），ItemId={item.Id}，Path={item.VideoSavePath}");
|
||
}
|
||
}
|
||
|
||
// 批量更新数据库
|
||
if (list.Any())
|
||
{
|
||
await BatchInsertOrUpdate(list);
|
||
Log.Debug($"批量更新数据库完成，共处理{list.Count}条数据");
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
}
|
||
}
|