public TranslateTask()
{
Key = Configuration.GetSection("TranslateKey")?.Value;
_helper = new TranslateTextHelper(Key);
}
public async Task <List <RssNews> > GetNewsAsync()
{
try
{
List <RssEntity> blogs = await RssHelper.GetRss(devBlogsFeedsLink);
List <RssNews> rssnews = blogs.OrderBy(x => x.LastUpdateTime).Select(x => new RssNews
{
Title = x.Title,
Author = x.Author,
Description = x.Description,
Categories = x.Categories,
CreateTime = x.CreateTime,
LastUpdateTime = x.LastUpdateTime,
Link = x.Link,
PublishId = x.PublishId,
MobileContent = x.MobileContent,
Type = 1,
Status = 1
}).ToList();
//先去重源数据
for (int i = 0; i < rssnews.Count - 1; i++)
{
for (int j = i + 1; j < rssnews.Count; j++)
{
if (rssnews[i].Title.Equals(rssnews[j].Title))
{
rssnews[i].Title = string.Empty;
break;
}
}
}
//取最新数据，去重
var oldData = Context.RssNews.OrderByDescending(m => m.LastUpdateTime).Take(20).ToList();
var toBeAdd = rssnews.FindAll(NotSame);
//判断重复
bool NotSame(RssNews news)
{
if (string.IsNullOrEmpty(news.Title))
{
return(false);
}
if (oldData.Any(m => m.Title.Equals(news.Title)))
{
Console.WriteLine("重复" + news.Title);
return(false);
}
return(true);
}
// 添加翻译内容
if (toBeAdd.Count < 1)
{
return(toBeAdd);
}
var key = Configuration.GetSection("TranslateKey")?.Value;
var translateHelper = new TranslateTextHelper(key);
foreach (var item in toBeAdd)
{
item.Content = translateHelper.TranslateText(item.Description);
item.TitleCn = translateHelper.TranslateText(item.Title);
}
//插入新数据
Context.RssNews.AddRange(toBeAdd);
var re = Context.SaveChanges();
return(toBeAdd);
}
catch (HttpRequestException e)
{
Log.Write("errors.txt", "网络请求:" + e.Source + e.InnerException.Message, true);
}
catch (DbUpdateException e)
{
Log.Write("errors.txt", "入库保存:" + e.Source + e.InnerException.Message, true);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Log.Write("errors.txt", "翻译:" + e.Source + e.InnerException.Message, true);
}
return(default);