public async Task<IHttpActionResult> Sync(string symbol, QuotePeriod period, int bars)
{
/*
1. Get JSON
2. Locate the Latest date
3. Get CSV for new data
4. Merge Quotes
5. Store as JSON
5. Return as JSON
*/
var storedQuotesResponse = _storageClient.Load(new LoadHistoricalQuotesRequest(symbol, period));
var liveQuotesRequest = new GetQuotesRequest(symbol, period, bars);
var liveQuotesResponse = await _provider.GetQuotes(liveQuotesRequest);
if (liveQuotesResponse.Quotes != null && liveQuotesResponse.Quotes.Any())
{
var response = new HistoricalQuotes
{
Symbol = liveQuotesRequest.Symbol,
Period = liveQuotesRequest.Period.ToString(),
LastUpdated = DateTime.UtcNow,
Quotes = liveQuotesResponse.Quotes
};
response.Merge(storedQuotesResponse);
_storageClient.Store(new StoreHistoricalQuotesRequest(symbol, period, response));
return Ok();
}
return NotFound();
}
public void Merge(HistoricalQuotes storedQuotesResponse)
{
var lastQoute = Quotes.LastOrDefault();
if (lastQoute != null
&& storedQuotesResponse != null
&& storedQuotesResponse.Quotes != null
&& storedQuotesResponse.Quotes.Any())
{
Quotes.AddRange(
storedQuotesResponse.Quotes
.Where(q => q.Date < lastQoute.Date)
.OrderByDescending(q => q.Date));
}
}
public async Task<IHttpActionResult> Update(string symbol, QuotePeriod period, int bars)
{
var liveQuotesRequest = new GetQuotesRequest(symbol, period, bars) ;
var liveQuotesResponse = await _provider.GetQuotes(liveQuotesRequest);
if (liveQuotesResponse.Quotes != null && liveQuotesResponse.Quotes.Any())
{
var response = new HistoricalQuotes
{
Symbol = liveQuotesRequest.Symbol,
Period = liveQuotesRequest.Period.ToString(),
LastUpdated = DateTime.UtcNow,
Quotes = liveQuotesResponse.Quotes
};
_storageClient.Store(new StoreHistoricalQuotesRequest(symbol, period, response));
return Ok(response);
}
return NotFound();
}
public StoreHistoricalQuotesRequest(string symbol, QuotePeriod period, HistoricalQuotes data)
: base(symbol, period)
{
Data = data;
}