public IEnumerable <NewsSource> GetSources()
{
string key = op.Value.Cache.NewsSourcesKey;
List <NewsSource> sources;
if (cache.TryGetValue(key, out sources))
{
return(sources);
}
sources = new List <NewsSource>();
List <NewsProviderDef> providers = db.NewsProviderDefs.AsNoTracking().Where(x => !x.Locked).ToList();
providers
.ForEach(x =>
{
INewsProvider provider = factory.GetProvider(x);
sources.AddRange(provider.GetSources());
});
sources = sources.OrderBy(x => x.NewsSourceId).ToList();
cache.Set(key, sources,
new MemoryCacheEntryOptions()
.SetAbsoluteExpiration(TimeSpan.FromMinutes(op.Value.Cache.NewsSourcesRefreshInterval)));
return(sources);
}
