public async Task RefreshCandleData(List <string> coinsToRefresh, Action <string> callback)
{
List <string> writtenFiles = new List <string>();
foreach (var coinToBuy in coinsToRefresh)
{
var startDate = DateTime.UtcNow.AddHours(-500);
var jsonPath = GetJsonFilePath(coinToBuy);
// Delete an existing file.
if (File.Exists(jsonPath))
{
File.Delete(jsonPath);
}
var i = 2;
DateTime endDate;
var totalCandles = new List <Candle>();
var candles = await _api.GetTickerHistory(coinToBuy, Period.Hour, startDate);
totalCandles.AddRange(candles);
// Get these in batches of 500 because they're limited in the API.
while (candles.Count != 0)
{
endDate = startDate;
startDate = DateTime.UtcNow.AddHours(-500 * i);
candles = await _api.GetTickerHistory(coinToBuy, Period.Hour, startDate, endDate);
i += 1;
totalCandles.AddRange(candles);
}
// Add the last bit in...
totalCandles.AddRange(candles);
totalCandles = totalCandles.OrderBy(x => x.Timestamp).ToList();
// Write all the text.
File.WriteAllText(jsonPath, JsonConvert.SerializeObject(totalCandles));
writtenFiles.Add(jsonPath);
callback($"Refreshed data for {coinToBuy}...");
}
// Delete everything that's not refreshed
foreach (FileInfo fi in new DirectoryInfo(GetDataDirectory()).EnumerateFiles())
{
if (!writtenFiles.Contains(fi.FullName))
{
File.Delete(fi.FullName);
}
}
}
public async Task RefreshCandleData(List <string> coinsToRefresh, Action <string> callback, Period period)
{
List <string> writtenFiles = new List <string>();
foreach (var coinToBuy in coinsToRefresh)
{
var jsonPath = GetJsonFilePath(coinToBuy);
// Delete an existing file.
if (File.Exists(jsonPath))
{
File.Delete(jsonPath);
}
var endDate = DateTime.UtcNow;
var startDate = DateTime.UtcNow.AddMinutes(-15);
var totalCandles = new List <Candle>();
var candles = await _api.GetTickerHistory(coinToBuy, period, startDate, endDate);
// Add the last bit in...
totalCandles.AddRange(candles);
totalCandles = totalCandles.OrderBy(x => x.Timestamp).ToList();
// Write all the text.
File.WriteAllText(jsonPath, JsonConvert.SerializeObject(totalCandles));
writtenFiles.Add(jsonPath);
callback($"{DateTime.UtcNow}: Refreshed data for {coinToBuy}...");
}
// Delete everything that's not refreshed
foreach (FileInfo fi in new DirectoryInfo(GetDataDirectory()).EnumerateFiles())
{
if (!writtenFiles.Contains(fi.FullName))
{
File.Delete(fi.FullName);
}
}
}
