private async Task <ArticleModel> ActualizeArticle(ArticleModel article, IMediaSourceHelper sh)
{
try
{
if (sh.NeedsToEvaluateArticle())
{
if (article.LeadImage?.Url != null && !article.LeadImage.IsLoaded)
{
article.LeadImage.Image = await Download.DownloadImageAsync(article.LeadImage.Url);
article.LeadImage.IsLoaded = true;
}
string articleresult = await Download.DownloadStringAsync(article.LogicUri);
var tuple = await sh.EvaluateArticle(articleresult, article);
if (tuple.Item1)
{
if (sh.WriteProperties(ref article, tuple.Item2))
{
article.State = ArticleState.Loaded;
ArticleHelper.Instance.OptimizeArticle(ref article);
}
else
{
article.State = ArticleState.WritePropertiesFaillure;
}
}
else
{
article.State = ArticleState.EvaluateArticleFaillure;
}
}
else
{
article.State = ArticleState.Loaded;
ArticleHelper.Instance.OptimizeArticle(ref article);
}
ArticleHelper.Instance.AddWordDumpFromArticle2(ref article);
return(article);
}
catch (Exception ex)
{
if (article != null)
{
LogHelper.Instance.Log(LogLevel.Error, this, "ActualizeArticle failed! Source: " + article.SourceConfigurationId + " URL: " + article.PublicUri, ex);
}
}
return(article);
}
private async Task AktualizeArticlesTask()
{
using (var unitOfWork = new UnitOfWork(false))
{
while (_newArticleModels.Any())
{
var article = _newArticleModels.OrderByDescending(d => d.PublicationTime).FirstOrDefault();
_newArticleModels.Remove(article);
article.State = ArticleState.Loading;
_toDatabaseFlatArticles.Add(article);
await ToDatabase();
//Messenger.Default.Send(article, Messages.ArticleRefresh);
//this comes from the cache, so its OK to use here
article.FeedConfiguration = await _settingsRepository.GetFeedConfigurationFor(article.FeedConfigurationId, await unitOfWork.GetDataService());
IMediaSourceHelper sh = ArticleHelper.Instance.GetMediaSource(article);
if (sh == null)
{
LogHelper.Instance.Log(LogLevel.Warning, this,
"ArticleHelper.DownloadArticle: Tried to Download Article which cannot be downloaded");
article.State = ArticleState.WrongSourceFaillure;
_toDatabaseFlatArticles.Add(article);
await ToDatabase();
}
else
{
article = await ActualizeArticle(article, sh);
_toDatabaseArticles.Add(article);
await ToDatabase();
}
var percentage = Convert.ToInt32(100 - ((_newArticleModels.Count * 100) / _newArticles));
_progressService.ShowProgress("Artikel werden heruntergeladen...", percentage);
}
}
}
private async Task<ArticleModel> ActualizeArticle(ArticleModel article, IMediaSourceHelper sh)
{
try
{
if (sh.NeedsToEvaluateArticle())
{
if (article.LeadImage?.Url != null && !article.LeadImage.IsLoaded)
{
article.LeadImage.Image = await Download.DownloadImageAsync(article.LeadImage.Url);
article.LeadImage.IsLoaded = true;
}
string articleresult = await Download.DownloadStringAsync(article.LogicUri);
var tuple = await sh.EvaluateArticle(articleresult, article);
if (tuple.Item1)
{
if (sh.WriteProperties(ref article, tuple.Item2))
{
article.State = ArticleState.Loaded;
ArticleHelper.Instance.OptimizeArticle(ref article);
}
else
{
article.State = ArticleState.WritePropertiesFaillure;
}
}
else
{
article.State = ArticleState.EvaluateArticleFaillure;
}
}
else
{
article.State = ArticleState.Loaded;
ArticleHelper.Instance.OptimizeArticle(ref article);
}
ArticleHelper.Instance.AddWordDumpFromArticle2(ref article);
return article;
}
catch (Exception ex)
{
if (article != null)
LogHelper.Instance.Log(LogLevel.Error, this, "ActualizeArticle failed! Source: " + article.SourceConfigurationId + " URL: " + article.PublicUri, ex);
}
return article;
}
