ng-tracker/src/main/java/ru/ulstu/paper/service/PaperNotificationService.java
2019-01-05 08:01:07 +04:00

72 lines
3.2 KiB
Java

package ru.ulstu.paper.service;
import com.google.common.collect.ImmutableMap;
import org.springframework.stereotype.Service;
import ru.ulstu.core.util.DateUtils;
import ru.ulstu.paper.model.Paper;
import ru.ulstu.user.service.MailService;
import java.util.Date;
import java.util.List;
import java.util.Map;
@Service
public class PaperNotificationService {
private final static int DAYS_TO_DEADLINE_NOTIFICATION = 7;
private final static String TEMPLATE_DEADLINE = "paperDeadlineNotification";
private final static String TEMPLATE_CREATE = "paperCreateNotification";
private final static String TEMPLATE_STATUS_CHANGED = "paperStatusChangeNotification";
private final static String TEMPLATE_FAILED = "paperFailedNotification";
private final static String TITLE_DEADLINE = "Приближается дедлайн статьи";
private final static String TITLE_CREATE = "Создана статья";
private final static String TITLE_STATUS_CHANGED = "Изменился статус статьи";
private final static String TITLE_FAILED = "Статья провалена";
private final MailService mailService;
public PaperNotificationService(MailService mailService) {
this.mailService = mailService;
}
public void sendDeadlineNotifications(List<Paper> papers, boolean isDeadlineBeforeWeek) {
Date now = DateUtils.addDays(new Date(), DAYS_TO_DEADLINE_NOTIFICATION);
papers
.stream()
.filter(paper -> needToSendDeadlineNotification(paper, now, isDeadlineBeforeWeek))
.forEach(paper -> sendMessageDeadline(paper));
}
private boolean needToSendDeadlineNotification(Paper paper, Date compareDate, boolean isDeadlineBeforeWeek) {
return (paper.getNextDeadline().isPresent())
&& (compareDate.before(paper.getNextDeadline().get().getDate()) && isDeadlineBeforeWeek
|| compareDate.after(paper.getNextDeadline().get().getDate()) && !isDeadlineBeforeWeek)
&& paper.getNextDeadline().get().getDate().after(new Date());
}
private void sendMessageDeadline(Paper paper) {
Map<String, Object> variables = ImmutableMap.of("paper", paper);
sendForAllAuhtors(variables, paper, TEMPLATE_DEADLINE, TITLE_DEADLINE);
}
public void sendCreateNotification(Paper paper) {
Map<String, Object> variables = ImmutableMap.of("paper", paper);
sendForAllAuhtors(variables, paper, TEMPLATE_CREATE, TITLE_CREATE);
}
public void statusChangeNotification(Paper paper, Paper.PaperStatus oldStatus) {
Map<String, Object> variables = ImmutableMap.of("paper", paper, "oldStatus", oldStatus);
sendForAllAuhtors(variables, paper, TEMPLATE_STATUS_CHANGED, TITLE_STATUS_CHANGED);
}
public void sendFailedNotification(Paper paper, Paper.PaperStatus oldStatus) {
Map<String, Object> variables = ImmutableMap.of("paper", paper, "oldStatus", oldStatus);
sendForAllAuhtors(variables, paper, TEMPLATE_FAILED, TITLE_FAILED);
}
private void sendForAllAuhtors(Map<String, Object> variables, Paper paper, String template, String title) {
paper.getAuthors().forEach(author -> mailService.sendEmailFromTemplate(variables, author, template, title));
}
}