move to notification service
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package ru.ulstu.paper.service;
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import org.springframework.stereotype.Service;
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import ru.ulstu.core.util.DateUtils;
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import ru.ulstu.paper.model.Paper;
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import ru.ulstu.user.model.User;
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import ru.ulstu.user.service.MailService;
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import java.util.Date;
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import java.util.stream.Collectors;
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@Service
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public class PaperNotificationService {
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private final static int DAYS_TO_DEADLINE_NOTIFICATION = 7;
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private final MailService mailService;
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private final PaperService paperService;
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public PaperNotificationService(MailService mailService,
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PaperService paperService) {
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this.mailService = mailService;
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this.paperService = paperService;
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}
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public void sendDeadlineNotifications(boolean isDeadlineBeforeWeek) {
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Date now = DateUtils.addDays(new Date(), DAYS_TO_DEADLINE_NOTIFICATION);
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paperService
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.findAll()
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.stream()
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.filter(paper -> needToSendDeadlineNotification(paper, now, isDeadlineBeforeWeek))
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.map(paper -> sendMessageDeadline(paper))
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.collect(Collectors.toList());
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}
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private boolean needToSendDeadlineNotification(Paper paper, Date compareDate, boolean isDeadlineBeforeWeek) {
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return (paper.getDeadlineDate() != null)
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&& (compareDate.after(paper.getDeadlineDate()) && isDeadlineBeforeWeek
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|| compareDate.before(paper.getDeadlineDate()) && !isDeadlineBeforeWeek);
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}
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private Paper sendMessageDeadline(Paper paper) {
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for (User user : paper.getAuthors()) {
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mailService.sendEmail(user.getEmail(), "Приближается срок сдачи статьи",
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"Срок сдачи статьи " + paper.getTitle() + " " + paper.getDeadlineDate().toString());
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}
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return paper;
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}
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}
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