public async Task EnsureDataPopulationAsync()
{
try
{
if (IsPopulated())
{
return;
}
DataEntries = _dataRepository.GetDataEntries();
// If there is no data in the database, scrape it from the website and insert into the DB
if (!DataEntries.Any())
{
var result = await _dataScraper.FetchDataFromWebAsync();
result.ForEach(resultEntry => DataEntries.Add(new IanaTimeZoneEntry {
IANATimeZoneID = resultEntry[0], WinTimeZoneID = resultEntry[1]
}));
_dataRepository.InsertEntries(DataEntries);
}
if (DataEntries.Any())
{
PopulateDictionaries();
}
}
catch (Exception e)
{
Debug.WriteLine($"Failed to populate data due to {e}");
}
}
public bool IsPopulated() => DataEntries.Any() && IanaToWindows.Any() && WindowsToIana.Any();