public BusinessResult <List <Stock> > CheckStockChanges()
{
try
{
// get symbols
var symbols = this._stockSeedDataService.GetStockSymbols();
var stocks = new List <Stock>();
if (symbols != null && symbols.Count > 0)
{
// call market stack client to get latest values for stocks
var marketStackStocks = Task.Run(() => this._marketStackHttpClient.GetIntradayStocks(symbols.First()));
// get saved stocks from DB
var savedStocks = this._stockDataService.GetStocks();
// if saved stocks exist, compare and perform update of records
if (savedStocks != null && savedStocks.Count > 0)
{
// compare retrieved stocks
// update saved stocks
// return any stocks that have changed significantly
}
var marketStock = marketStackStocks.Result.Data.First();
// otherwise create new stock records using data from market stack
return(BusinessResult <List <Stock> > .CreateSuccessResult(stocks));
}
return(BusinessResult <List <Stock> > .CreateSuccessResult(stocks));
}
catch (Exception e)
{
return(BusinessResult <List <Stock> > .CreateFailure(e));
}
}