ng-tracker/src/main/java/ru/ulstu/timeline/service/EventScheduler.java
2018-11-11 01:31:27 +04:00

73 lines
2.6 KiB
Java

package ru.ulstu.timeline.service;
import com.google.common.collect.ImmutableMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import ru.ulstu.core.util.DateUtils;
import ru.ulstu.timeline.model.Event;
import ru.ulstu.timeline.model.PeriodEvent;
import ru.ulstu.user.service.MailService;
import java.util.Date;
import java.util.List;
import java.util.Map;
@Service
public class EventScheduler {
private final Logger log = LoggerFactory.getLogger(EventScheduler.class);
private final EventService eventService;
private final MailService mailService;
public EventScheduler(EventService eventService,
MailService mailService) {
this.eventService = eventService;
this.mailService = mailService;
}
@Scheduled(cron = "0 0 8 * * ?")
public void sendNotifications() {
List<Event> events = eventService.findByCurrentDate();
events.forEach(event -> {
Map<String, Object> variables = ImmutableMap.of("description", event.getDescription());
event.getRecipients()
.forEach(recipient -> mailService.sendEmailFromTemplate(variables, recipient, "eventNotification", event.getTitle()));
});
}
@Scheduled(cron = "0 0 * * * ?")
public void checkPeriodEvents() {
log.debug("EventScheduler.checkPeriodEvents started");
for (Event event : eventService.findAllFuture()) {
if (halfOfThePeriodHasPassed(event)) {
eventService.createBasedOn(event, DateUtils.addDays(event.getExecuteDate(), getShiftInDays(event.getPeriod())));
}
}
log.debug("EventScheduler.checkPeriodEvents finished");
}
private int getShiftInDays(PeriodEvent periodEvent) {
switch (periodEvent) {
case EVERY_DAY:
return periodEvent.getPeriod().getDays();
case EVERY_WEEK:
return periodEvent.getPeriod().getDays();
case EVERY_MONTH:
return periodEvent.getPeriod().getMonths() * 30;
case EVERY_YEAR:
return periodEvent.getPeriod().getYears() * 365;
default:
throw new RuntimeException("period event not exists");
}
}
private boolean halfOfThePeriodHasPassed(Event event) {
return event.getPeriod() != null && event.getChild() == null
&& new Date().after(
DateUtils.addDays(event.getExecuteDate(), (int) -Math.round((double) getShiftInDays(event.getPeriod()) / 2)));
}
}