private Task Initialize()
{
return(ExecuteSafe(async() =>
{
using (await _initializeAsyncLock.LockAsync())
{
if (_isInitialized)
{
return;
}
var jsonAssets = await _storageService.GetAssetTextFileAsync(ReflectionHelper.GetAttributeOfEnum <DescriptionAttribute, FileKeys>(FileKeys.SourcesConfiguration).Description);
var feeds = JsonConvert.DeserializeObject <List <SourceModel> >(jsonAssets);
var recovered = false;
try
{
var json = await _storageService.GetRoamingTextFileAsync(ReflectionHelper.GetAttributeOfEnum <DescriptionAttribute, FileKeys>(FileKeys.SourcesUserConfiguration).Description);
if (!string.IsNullOrEmpty(json))
{
_sourceCacheEntity = JsonConvert.DeserializeObject <SourceCacheEntity>(json);
recovered = true;
}
else
{
_sourceCacheEntity = new SourceCacheEntity();
}
}
catch (Exception ex)
{
LogHelper.Instance.LogException(ex);
_sourceCacheEntity = new SourceCacheEntity();
}
var feedsToLoad = new List <FeedModel>();
foreach (var source in feeds)
{
if (!_sourceCacheEntity.IsEnabledDictionary.ContainsKey(source.Guid))
{
_sourceCacheEntity.IsEnabledDictionary[source.Guid] = false;
recovered = false;
}
SourceManager.AddSource(source, _sourceCacheEntity.IsEnabledDictionary[source.Guid]);
foreach (var feed in source.Feeds)
{
feed.Source = source;
if (!_sourceCacheEntity.IsEnabledDictionary.ContainsKey(feed.Guid))
{
_sourceCacheEntity.IsEnabledDictionary[feed.Guid] = false;
recovered = false;
}
SourceManager.AddFeed(feed, source, _sourceCacheEntity.IsEnabledDictionary[feed.Guid]);
if (_sourceCacheEntity.IsEnabledDictionary[feed.Guid])
{
feedsToLoad.Add(feed);
}
}
}
_isInitialized = true;
if (!recovered)
{
await SaveCache();
}
var tasks = feedsToLoad.Select(feedModel => LoadArticlesIntoFeed(feedModel, 12)).ToList();
await Task.WhenAll(tasks);
}
}));
}
