public LocalDate getTradeDate(Earning earning) {
ANNCMT_TIME anncmtTime = earning.getAnncmtTime();
switch (anncmtTime) {
case AFTER_CLOSE:
return earning.getDate();
case BEFORE_OPEN:
return getPreviousTradingDate(earning);
case DURING_MKT_HRS:
return getPreviousTradingDate(earning);
default:
return null;
}
}
private LocalDate getPreviousTradingDate(Earning earning) {
LocalDate checkDate = earning.getDate().minusDays(1);
PriceHistory previousPrice = null;
int daysToGoBack = 5;
int start = 0;
while (start <= daysToGoBack && previousPrice == null) {
start++;
previousPrice = priceHistoryRepo.findBySymbolAndDate(earning.getSymbol(), checkDate);
if (previousPrice != null && previousPrice.getDate() != null) {
return previousPrice.getDate();
}
checkDate = checkDate.minusDays(1);
}
return null;
}
@Override
protected TaskMetaData process() {
List<String> allSymb = earnRepo.getAllUniqueSymbol();
List<String> unCleanSymb = new ArrayList<String>();
for (String sym : allSymb) {
List<Earning> allEarningsForSymbol = earnRepo.findBySymbolOrderByDateDesc(sym);
int i = 0;
for (Earning earning : allEarningsForSymbol) {
// Only concerned with earnings for NASDAQ AND NYSE
if (earning.getSymbol().contains(".")) {
break;
}
if (i == 0) {
i++;
continue;
}
String currentCompanyName = allEarningsForSymbol.get(i - 1).getCompanyName();
LocalDate currentEarningDate = allEarningsForSymbol.get(i - 1).getDate();
i++;
String historicalCompanyName = earning.getCompanyName();
LocalDate historicalEarningDate = earning.getDate();
if (!areEquivalent(currentCompanyName, historicalCompanyName)
&& signDifferenceBetweenEarnings(currentEarningDate, historicalEarningDate)) {
unCleanSymb.add(earning.getSymbol());
break;
}
}
}
return null;
}