internal void UpdateAssetValue(DomainObjects.Asset.Asset asset)
{
var lastUpdatedValue = LastAssetValue(asset.Id)?.Date ?? new DateTime(2017, 8, 17);
if (lastUpdatedValue >= DateTime.UtcNow.Date)
{
return;
}
Dictionary <DateTime, double> assetDateAndValues = GetAssetValuesByDate(asset, lastUpdatedValue);
CreateAssetValueForPendingDates(asset, lastUpdatedValue, assetDateAndValues);
}
private static Dictionary <DateTime, double> GetAssetValuesByDate(DomainObjects.Asset.Asset asset, DateTime startDate)
{
Dictionary <DateTime, double> assetDateAndValues;
if (asset.Type == DomainObjects.Asset.AssetType.Traditional.Value)
{
assetDateAndValues = AlphaVantageApi.GetCloseAdjustedValues(asset.Code);
}
else if (asset.Type == DomainObjects.Asset.AssetType.Crypto.Value)
{
assetDateAndValues = ExchangeApi.GetCloseCryptoValue(asset.Code, startDate);
}
else
{
throw new InvalidOperationException();
}
return(assetDateAndValues);
}
private void CreateAssetValueForPendingDates(DomainObjects.Asset.Asset asset, DateTime lastUpdatedValue, Dictionary <DateTime, double> assetDateAndValues)
{
var pendingUpdate = assetDateAndValues?.Where(d => d.Key > lastUpdatedValue).OrderBy(v => v.Key);
var previousDateAndValue = assetDateAndValues?.Where(d => d.Key == lastUpdatedValue).OrderByDescending(v => v.Key).FirstOrDefault();
if (pendingUpdate != null)
{
foreach (var pending in pendingUpdate)
{
previousDateAndValue = InsertAssetValueForPreviousDaysWithoutMarketValues(asset, previousDateAndValue, pending);
var assetValue = new DomainObjects.Asset.AssetValue()
{
AssetId = asset.Id, Date = pending.Key, Value = pending.Value
};
Data.Insert(assetValue);
}
}
}
private KeyValuePair <DateTime, double> InsertAssetValueForPreviousDaysWithoutMarketValues(DomainObjects.Asset.Asset asset, KeyValuePair <DateTime, double>?previousDateAndValue, KeyValuePair <DateTime, double> currentPendingDateAndValue)
{
if (previousDateAndValue.HasValue && previousDateAndValue?.Key > DateTime.MinValue)
{
var previousDate = previousDateAndValue?.Key.AddDays(1);
while (previousDate < currentPendingDateAndValue.Key)
{
var previousAssetValue = new DomainObjects.Asset.AssetValue()
{
AssetId = asset.Id, Date = previousDate.Value, Value = previousDateAndValue.Value.Value
};
Data.Insert(previousAssetValue);
previousDate = previousDate.Value.AddDays(1);
}
}
return(currentPendingDateAndValue);
}
