diff --git a/job/DouyinBasicSyncJob.cs b/job/DouyinBasicSyncJob.cs
index 9e54808..8e93267 100644
--- a/job/DouyinBasicSyncJob.cs
+++ b/job/DouyinBasicSyncJob.cs
@@ -72,7 +72,7 @@ namespace dy.net.job
///
/// 是否下载图片并合成视频
///
- private bool _downImageVideo;
+ //private bool _downImageVideo;
#endregion
@@ -138,13 +138,10 @@ namespace dy.net.job
if (config.BatchCount > 0)
count = config.BatchCount.ToString();
- // 3. 初始化是否下载图片视频的设置
- InitializeDownImageVideoSetting(config);
-
- // 4. 在处理Cookie之前执行的预处理操作(子类可重写)
+ // 3. 在处理Cookie之前执行的预处理操作
await BeforeProcessCookies();
- // 5. 获取所有有效的Cookie
+ // 4. 获取所有有效的Cookie
var cookies = await GetValidCookies();
if (cookies == null || !cookies.Any())
{
@@ -314,10 +311,10 @@ namespace dy.net.job
int syncCount = 0; // 本次同步成功的视频数量
string cursor = "0"; // 初始游标
bool hasMore = true; // 是否还有更多数据
+
+ //查询关注列表开启了同步的关注
var follows = await douyinFollowService.GetSyncFollows(cookie.MyUserId);
-
- //var ups = JsonConvert.DeserializeObject>(cookie.UpSecUserIds);
var firstUp = follows?.Where(x => !string.IsNullOrWhiteSpace(x.SecUid)).FirstOrDefault();
if (firstUp == null)
{
@@ -385,6 +382,13 @@ namespace dy.net.job
// 保存视频信息到数据库
syncCount += await SaveVideos(videos);
+ //当syncCount达到上限时,跳出循环
+ if (config.BatchCount > 0 && syncCount >= config.BatchCount)
+ {
+ Log.Debug($"{JobType}-Cookie[{cookie.UserName}]本次同步达到上限{config.BatchCount},停止同步!!!");
+ break;
+ }
+
// 随机延迟,模拟人类操作,避免请求过快
await Task.Delay(_random.Next(5, 10) * 1000);
}
@@ -414,7 +418,7 @@ namespace dy.net.job
{
if (File.Exists(exitVideo.VideoSavePath))
{
- Serilog.Log.Debug($"视频-{exitVideo.AwemeId}-[{exitVideo.VideoTitle}]已存在,跳过");
+ Log.Debug($"视频-{exitVideo.AwemeId}-[{exitVideo.VideoTitle}]已存在,跳过");
continue;// 已存在则跳过
}
}
@@ -434,14 +438,11 @@ namespace dy.net.job
videos.Add(video);
// 如果配置了下载图片视频,则处理图片集并合成视频
- if (_downImageVideo)
+ if (config.DownImageVideo || config.DownMp3 || config.DownImage)
{
- if (config.DownImageVideo || config.DownMp3 || config.DownImage)
- {
- var mergevideo = await ProcessImageSetAndMergeToVideo(cookie, item, data, config, followed);
- if (mergevideo != null)
- videos.Add(mergevideo);
- }
+ var mergevideo = await ProcessImageSetAndMergeToVideo(cookie, item, data, config, followed);
+ if (mergevideo != null)
+ videos.Add(mergevideo);
}
}
return videos;
@@ -480,7 +481,11 @@ namespace dy.net.job
var savePath = Path.Combine(saveFolder, fileName);
// 如果文件已存在,跳过
- if (File.Exists(savePath)) return null;
+ if (File.Exists(savePath))
+ {
+ Log.Debug($"{JobType}-视频[{DouyinFileNameHelper.SanitizePath(item.Desc)}]已存在,跳过下载.");
+ return null;
+ }
Log.Debug($"{JobType}-视频[{DouyinFileNameHelper.SanitizePath(item.Desc)}]开始下载...");
// 随机延迟,模拟人类操作
@@ -656,7 +661,7 @@ namespace dy.net.job
if (!videos.Any()) return 0;
try
{
- await douyinVideoService.batchInsert(videos);
+ await douyinVideoService.BatchInsertOrUpdate(videos);
var redowns = await douyinCommonService.GetAllRedown();
if (redowns != null && redowns.Any())
@@ -798,20 +803,6 @@ namespace dy.net.job
);
}
- ///
- /// 初始化是否下载图片视频的设置
- /// 从环境变量和配置文件中读取设置,环境变量优先级更高
- ///
- /// 应用配置
- private void InitializeDownImageVideoSetting(AppConfig config)
- {
- var downImageVideoConfig = Appsettings.Get("DOWN_IMGVIDEO");
- if (!string.IsNullOrWhiteSpace(downImageVideoConfig))
- {
- downImageVideoConfig = downImageVideoConfig.ToLower();
- _downImageVideo = config.DownImageVideo && downImageVideoConfig == "1";
- }
- }
///
/// 清理保存失败的视频文件
diff --git a/model/AppConfig.cs b/model/AppConfig.cs
index 1f3d9a4..1bfd513 100644
--- a/model/AppConfig.cs
+++ b/model/AppConfig.cs
@@ -73,6 +73,5 @@ namespace dy.net.model
/// 自动去重-逻辑是遇到相同ID的视频直接跳过
///
public bool AutoDistinct { get; set; }
-
}
}
diff --git a/repository/DouyinVideoRepository.cs b/repository/DouyinVideoRepository.cs
index 90dc9db..2005f6a 100644
--- a/repository/DouyinVideoRepository.cs
+++ b/repository/DouyinVideoRepository.cs
@@ -40,7 +40,7 @@ namespace dy.net.repository
var where = this.Db.Queryable()
//.WhereIF(!string.IsNullOrWhiteSpace(title), x => x.VideoTitle.Contains(title))
.WhereIF(!string.IsNullOrWhiteSpace(dto.Title), x => x.VideoTitle.Contains(dto.Title))
- .WhereIF(!string.IsNullOrWhiteSpace(dto.Author), x => x.Author == dto.Author)
+ .WhereIF(!string.IsNullOrWhiteSpace(dto.Author), x => x.Author.Contains(dto.Author))
.WhereIF(start.HasValue, x => x.SyncTime >= start.Value)
.WhereIF(end.HasValue, x => x.SyncTime <= end.Value)
.WhereIF(start2.HasValue, x => x.CreateTime >= start2.Value)
diff --git a/service/DouyinVideoService.cs b/service/DouyinVideoService.cs
index 96d26eb..18a1720 100644
--- a/service/DouyinVideoService.cs
+++ b/service/DouyinVideoService.cs
@@ -3,6 +3,7 @@ using dy.net.dto;
using dy.net.model;
using dy.net.repository;
using dy.net.utils;
+using Newtonsoft.Json;
using System.ComponentModel;
using System.Threading.Tasks;
@@ -21,38 +22,66 @@ namespace dy.net.service
}
- public async Task batchInsert(List videos)
+ public async Task BatchInsertOrUpdate(List videos)
{
-
- // 边界处理:如果传入的列表为空,直接返回成功(或根据业务返回false)
+ // 边界处理:传入列表为空直接返回成功
if (videos == null || !videos.Any())
return true;
- // 1. 提取待插入的所有AwemeId(去重,减少数据库查询压力)
- var newAwemeIds = videos.Select(x => x.AwemeId)
- .Distinct()
- .ToList();
+ // 1. 提取所有AwemeId(无需去重,用户保证无重复)
+ var allAwemeIds = videos.Select(v => v.AwemeId).ToList();
- // 2. 查询数据库中已存在的AwemeId(只查需要的字段,提高效率)
- var existingAwemeIds = await _dyCollectVideoRepository
- .Query(x => newAwemeIds.Contains(x.AwemeId)) // 使用Query方法构建查询
- .Select(x => x.AwemeId) // 只获取AwemeId,减少数据传输
+ // 2. 查询数据库中已存在的视频记录(用于后续更新)
+ var existingVideos = await _dyCollectVideoRepository
+ .Query(x => allAwemeIds.Contains(x.AwemeId))
.ToListAsync();
- // 3. 过滤出数据库中不存在的视频(只保留新记录)
+ // 3. 分拆数据集:不存在的(插入)、已存在的(更新)
+ var existingAwemeIdSet = existingVideos.Select(v => v.AwemeId).ToHashSet();
var videosToInsert = videos
- .Where(video => !existingAwemeIds.Contains(video.AwemeId))
+ .Where(v => !existingAwemeIdSet.Contains(v.AwemeId))
+ .ToList();
+ var videosToUpdate = videos
+ .Where(v => existingAwemeIdSet.Contains(v.AwemeId))
.ToList();
- // 4. 如果没有需要插入的新记录,直接返回成功
- if (!videosToInsert.Any())
- return true;
+ // 4. 事务包裹:确保插入/更新原子性
+ var transaction = await _dyCollectVideoRepository.UseTranAsync(async () =>
+ {
+ int insertedCount = 0;
+ int updatedCount = 0;
- // 5. 批量插入过滤后的新记录
- var insertedCount = await _dyCollectVideoRepository.InsertRangeAsync(videosToInsert);
+ // 5. 批量插入新记录
+ if (videosToInsert.Any())
+ {
+ insertedCount = await _dyCollectVideoRepository.InsertRangeAsync(videosToInsert);
+ }
- // 返回是否插入成功(至少插入一条)
- return insertedCount > 0;
+ // 6. 批量更新已存在记录(核心逻辑)
+ if (videosToUpdate.Any())
+ {
+ // 建立AwemeId与待更新数据的映射(O(1)匹配效率)
+ var updateMap = videosToUpdate.ToDictionary(v => v.AwemeId);
+
+ // 遍历已存在实体,赋值需要更新的字段
+ List updates= new List();
+ foreach (var existingVideo in existingVideos)
+ {
+ if (updateMap.TryGetValue(existingVideo.AwemeId, out var updateData))
+ {
+ existingVideo.VideoSavePath = updateData.VideoSavePath;
+ existingVideo.VideoCoverSavePath = updateData.VideoCoverSavePath;
+ }
+ }
+ // 批量更新数据库
+ updatedCount = await _dyCollectVideoRepository.UpdateRangeAsync(existingVideos);
+ }
+
+ }, ex =>
+ {
+ Serilog.Log.Error(ex, "批量插入/更新抖音视频失败,AwemeIds:{AwemeIds}", string.Join(",", allAwemeIds));
+ });
+ return transaction;
}