private async Task UpdateCurrencyList()
{
using (var scope = _scopeFactory.CreateScope())
{
var dbContext = scope.ServiceProvider.GetRequiredService <ApplicationDbContext>();
var coinApi = new CoinApi(_configuration);
var allCurrencies = dbContext.Currencies.ToList();
if (allCurrencies.Count == 0)
{
allCurrencies = await coinApi.GetAllAssets();
dbContext.Currencies.AddRange(allCurrencies);
dbContext.SaveChanges();
}
else
{
var lastDate = allCurrencies.First().Date;
if (DateTime.Now - lastDate < TimeSpan.FromDays(3))
{
allCurrencies = await coinApi.GetAllAssets();
dbContext.Currencies.UpdateRange(allCurrencies);
dbContext.SaveChanges();
}
}
}
}
private async Task <List <Currency> > GetCurrencies(bool onlyCrypto)
{
var allCurrencies = dbContext.Currencies.ToList();
if (allCurrencies.Count == 0)
{
allCurrencies = await coinApi.GetAllAssets();
dbContext.Currencies.AddRange(allCurrencies);
dbContext.SaveChanges();
}
var currencies = onlyCrypto ? allCurrencies.Where(c => c.IsCrypto).ToList() : allCurrencies.ToList();
return(currencies);
}