/// <summary>
/// returns notification if exists by teamId, currency and key search filter
/// </summary>
/// <returns></returns>
private DataAccess.Models.TeamNotification GetTeamNotificationByKeyAndType(Dto.TeamNotification teamNotification)
{
var key = teamNotification.Key;
if (teamNotification.NotificationType == NotificationType.AssetReminder)
{
return(_repository.AsQueryable()
.FirstOrDefault(p => p.Key == key &&
p.NotificationType == teamNotification.NotificationType &&
p.TeamId == teamNotification.TeamId));
}
//for arbitrage and price tracker alarms we need to check existance for splitted value of key
var keyArray = teamNotification.Key.Split(':');
//price tracker => 3:1:44000.55:1
//arbitrage tracker => arb:3:10.00
key = keyArray[0] + ":" + keyArray[1] + ":";
return(_repository.AsQueryable()
.FirstOrDefault(p => p.Key.Contains(key) &&
p.NotificationType == teamNotification.NotificationType &&
p.TeamId == teamNotification.TeamId));
}
public void Delete(Dto.TeamNotification teamNotification)
{
var entity = GetTeamNotificationByKeyAndType(teamNotification);
if (entity != null)
{
_repository.Delete(entity);
_uow.Save();
}
}
private void SaveArbitrageNotification(Currency currency, decimal percentage)
{
var key = "arb:" + (int)currency + ":" + percentage.ToMoneyMarketMoneyFormat();
var teamNotification = new Dto.TeamNotification
{
TeamId = Team.Id,
NotificationType = NotificationType.Arbitrage,
Key = key,
LastExecutedAt = DateTime.UtcNow,
TimeInterval = 0
};
var teamNotificationBusiness = new TeamNotificationBusiness();
// add or update notification
teamNotificationBusiness.Add(teamNotification);
}
private void SavePriceTrackerNotification(Currency currency, Provider provider, decimal limitAmount, MainCurrency mainCurrency)
{
var cryptoCurrencies = GetCryptoCurrencies(currency);
var limitAmountUsdValue = GetCurrentUsdValueByMainCurrency(limitAmount, mainCurrency);
Dto.CryptoCurrency cryptoCurrency;
if (provider == Provider.Unknown)
{
cryptoCurrency = cryptoCurrencies.First(p => p.Provider == Provider.CoinMarketCap);
}
else
{
cryptoCurrency = cryptoCurrencies.First(p => p.Provider == provider);
}
var alarmType = cryptoCurrency.UsdValue > limitAmountUsdValue ? AlarmType.Purchase : AlarmType.Sell;
var key = (int)provider + ":" + (int)currency + ":" + limitAmount.ToMoneyMarketCryptoCurrencyFormat() + ":" + (int)mainCurrency + ":" + (int)alarmType;
var teamNotification = new Dto.TeamNotification
{
TeamId = Team.Id,
NotificationType = NotificationType.PriceTracker,
Key = key,
LastExecutedAt = DateTime.UtcNow,
TimeInterval = 0 // 0 for alarms
};
var teamNotificationBusiness = new TeamNotificationBusiness();
if (limitAmount == 0)
{
//user wants to snooze notification
teamNotificationBusiness.Delete(teamNotification);
return;
}
// add or update notification
teamNotificationBusiness.Add(teamNotification);
}
private void SaveAssetReminderTrackerNotification(Currency currency, int timeInterval)
{
var teamNotification = new Dto.TeamNotification
{
TeamId = Team.Id,
NotificationType = NotificationType.AssetReminder,
Key = ((int)currency).ToString(),
LastExecutedAt = DateTime.UtcNow,
TimeInterval = timeInterval
};
var teamNotificationBusiness = new TeamNotificationBusiness();
if (timeInterval == 0)
{
//user wants to snooze notification
teamNotificationBusiness.Delete(teamNotification);
return;
}
// add or update notification
teamNotificationBusiness.Add(teamNotification);
}
