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#119 create grants notification service

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T-Midnight 2019-05-06 23:57:16 +04:00
parent 2dff183662
commit 2dae39a100
1 changed files with 66 additions and 0 deletions
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src/main/java/ru/ulstu/grant/service/GrantNotificationService.java Normal file
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package ru.ulstu.grant.service;
import com.google.common.collect.ImmutableMap;
import org.springframework.stereotype.Service;
import ru.ulstu.core.util.DateUtils;
import ru.ulstu.grant.model.Grant;
import ru.ulstu.user.model.User;
import ru.ulstu.user.service.MailService;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
@Service
public class GrantNotificationService {
private final static int DAYS_TO_DEADLINE_NOTIFICATION = 7;
private final static String TEMPLATE_DEADLINE = "grantDeadlineNotification";
private final static String TEMPLATE_CREATE = "grantCreateNotification";
private final static String TEMPLATE_AUTHORS_CHANGED = "grantAuthorsChangeNotification";
private final static String TITLE_DEADLINE = "Приближается дедлайн гранта: %s";
private final static String TITLE_CREATE = "Создан грант: %s";
private final static String TITLE_AUTHORS_CHANGED = "Изменился состав рабочей группы гранта: %s";
private final MailService mailService;
public GrantNotificationService(MailService mailService) {
this.mailService = mailService;
}
public void sendDeadlineNotifications(List<Grant> grants, boolean isDeadlineBeforeWeek) {
Date now = DateUtils.addDays(new Date(), DAYS_TO_DEADLINE_NOTIFICATION);
grants.stream()
.filter(grant -> needToSendDeadlineNotification(grant, now, isDeadlineBeforeWeek))
.forEach(grant -> sendMessageDeadline(grant));
}
private boolean needToSendDeadlineNotification(Grant grant, Date compareDate, boolean isDeadlineBeforeWeek) {
return (grant.getNextDeadline().isPresent())
&& (compareDate.before(grant.getNextDeadline().get().getDate()) && isDeadlineBeforeWeek
|| compareDate.after(grant.getNextDeadline().get().getDate()) && !isDeadlineBeforeWeek)
&& grant.getNextDeadline().get().getDate().after(new Date());
}
private void sendMessageDeadline(Grant grant) {
Map<String, Object> variables = ImmutableMap.of("grant", grant);
sendForAllAuthors(variables, grant, TEMPLATE_DEADLINE, String.format(TITLE_DEADLINE, grant.getTitle()));
}
public void sendCreateNotification(Grant grant) {
Map<String, Object> variables = ImmutableMap.of("grant", grant);
sendForAllAuthors(variables, grant, TEMPLATE_CREATE, String.format(TITLE_CREATE, grant.getTitle()));
}
public void authorsChangeNotification(Grant grant, List<User> oldAuthors) {
Map<String, Object> variables = ImmutableMap.of("grant", grant, "oldAuthors", oldAuthors);
sendForAllAuthors(variables, grant, TEMPLATE_AUTHORS_CHANGED, String.format(TITLE_AUTHORS_CHANGED, grant.getTitle()));
}
private void sendForAllAuthors(Map<String, Object> variables, Grant grant, String template, String title) {
Set<User> allAuthors = grant.getAuthors();
allAuthors.add(grant.getLeader());
allAuthors.forEach(author -> mailService.sendEmailFromTemplate(variables, author, template, title));
}
}