public bool TryInitializeApp(out Exception exception)
{
exception = null;
try
{
Directory.CreateDirectory(_options.DataBaseFolderPath);
this.NewsPaper = NewsPaper.Load(Path.Combine(_options.DataBaseFolderPath, "news.json"));
var filterSettingsFilePath = Path.Combine(_options.DataBaseFolderPath, "filters.json");
this.FilterSettings = new FilterSettingsViewModel(filterSettingsFilePath);
this.InitializeFilterSettings(this.FilterSettings.Model, filterSettingsFilePath);
_channelCache = new Dictionary <ProjectContainer, List <ChannelInfoViewModel> >();
_updateDatabaseSemaphore = new SemaphoreSlim(initialCount: 1, maxCount: 1);
_userManager.Initialize();
_options.Save(Program.OptionsFilePath);
_ = this.UpdateDatabaseAsync();
}
catch (Exception ex)
{
exception = ex;
this.Logger.LogError(ex.GetFullMessage());
return(false);
}
this.IsAppInitialized = true;
return(true);
}
public static NewsPaper Load(string filePath)
{
if (File.Exists(filePath))
{
var jsonString = File.ReadAllText(filePath);
var newsPaper = JsonSerializer.Deserialize <NewsPaper>(jsonString);
return(newsPaper);
}
else
{
var newsPaper = new NewsPaper(new List <NewsEntry>()
{
new NewsEntry(DateTime.UtcNow, "First News", "News description.")
});
var jsonString = JsonSerializer.Serialize(newsPaper, new JsonSerializerOptions()
{
WriteIndented = true
});
File.WriteAllText(filePath, jsonString);
return(newsPaper);
}
}
