public Task StoreAsync <T>(string key, T value)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException("Key MUST have a value");
}
var contents = NewtonsoftJsonSerializer.Instance.Serialize((object)value);
if (_context.Tokens.Any(t => t.Key == key))
{
var token = _context.Tokens.Single(t => t.Key == key);
token.Data = contents;
}
else
{
_context.Tokens.Add(new TokenModel
{
Key = key,
Data = contents
});
}
_context.SaveChanges();
return(CompletedTask);
}
public bool UpdateCurrency(Currency currency)
{
if (currency == null)
{
return(false);
}
var res = false;
try
{
var cur = _context.Currencies.FirstOrDefault(c => c.Code == currency.Code);
if (cur == null)
{
currency.LastUpdate = DateTime.UtcNow;
_context.Currencies.Add(currency);
_logger.Write(Severities.Information,
$"Currency {currency.Code} added with rate {currency.Rate}");
}
else
{
cur.IsBaseCurrency = currency.IsBaseCurrency;
cur.Rate = currency.Rate;
cur.LastUpdate = DateTime.UtcNow;
_logger.Write(Severities.Information,
$"Currency {currency.Code} updated with rate {currency.Rate}");
}
_context.SaveChanges();
if (currency.IsBaseCurrency)//Change base currency
{
var oldBase = _context.Currencies.Where(c => c.IsBaseCurrency && c.Code != currency.Code);
if (oldBase.Any())
{
foreach (var cur0 in oldBase)
{
cur0.IsBaseCurrency = false;
}
_context.SaveChanges();
}
}
res = true;
}
catch (Exception e)
{
_logger.Write(Severities.Error, "Error update currency", e);
res = false;
}
return(res);
}
public void WriteSettings(SettingsNames name, string value)
{
var val = _context.SettingItems.SingleOrDefault(z => z.Name == name.ToString());
if (val == null)
{
val = new SettingItem
{
Name = name.ToString(),
Value = value,
LastChanged = DateTime.UtcNow
};
_context.SettingItems.Add(val);
}
else
{
val.Value = value;
val.LastChanged = DateTime.UtcNow;
}
_context.SaveChanges();
}
