/// <summary>
/// 获取并保存事件视频详情
/// </summary>
public async Task GetVideoDetailAsync()
{
//读取数据
var content = File.ReadAllText("C9EventVideos.json", Encoding.UTF8);
var eventVideos = JsonConvert.DeserializeObject <List <C9Articles> >(content);
//eventVideos = eventVideos.Take(20).ToList();
var allVideoDetail = new ConcurrentBag <EventVideo>();
int totalNumber = eventVideos.Count;
Console.WriteLine($"共 {totalNumber} 个视频");
int i = 1;
var tasks = new List <Task>();
foreach (var item in eventVideos)
{
int currentIndex = i;
var task = Task.Run(() => getEventVideoDetailAsync(currentIndex, item));
tasks.Add(task);
i++;
}
async Task getEventVideoDetailAsync(int currentIndex, C9Articles item)
{
Console.WriteLine($"开始获取第 {currentIndex} 个视频");
var videoDetail = await _helper.GetEventVideoPage(item);
Console.WriteLine($"获取第 {currentIndex} 个视频完成");
if (videoDetail != null)
{
allVideoDetail.Add(videoDetail);
}
}
//TODO 去重
Task.WaitAll(tasks.ToArray());
var wrongData = new EventVideo();
try
{
Console.WriteLine("开始入库");
foreach (var item in allVideoDetail)
{
Context.EventVideo.AddRange(item);
wrongData = item;
await Context.SaveChangesAsync();
}
Console.WriteLine("入库完成");
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
Console.WriteLine("Wrong Data:" + JsonConvert.SerializeObject(wrongData));
}
}
public void AddVideo(EventVideo eventVideo)
{
Db.EventVideos.Add(eventVideo);
Db.SaveChanges();
}
public static EventVideo ToEntity(this EventVideoModel model, EventVideo destination)
{
return(model.MapTo(destination));
}
public static EventVideoModel ToModel(this EventVideo entity)
{
return(entity.MapTo <EventVideo, EventVideoModel>());
}
public void UpdateEventVideo(EventVideo eventVideo)
{
_eventVideoRepository.Update(eventVideo);
}
public void InsertEventVideo(EventVideo eventVideo)
{
_eventVideoRepository.Insert(eventVideo);
}
