src/main/java/ru/ulstu/paper/service/DeadlineSсheduler.java

@@ -0,0 +1,70 @@
+package ru.ulstu.paper.service;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.scheduling.annotation.Scheduled;
+import ru.ulstu.core.util.DateUtils;
+import ru.ulstu.paper.model.PaperDto;
+import ru.ulstu.paper.repository.PaperRepository;
+import ru.ulstu.paper.service.PaperService;
+import ru.ulstu.paper.model.Paper;
+import ru.ulstu.user.model.User;
+import ru.ulstu.user.model.UserDto;
+import ru.ulstu.user.repository.UserRepository;
+import ru.ulstu.user.scheduler.UserScheduler;
+import ru.ulstu.user.service.MailService;
+
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+import java.util.Calendar;
+import java.util.List;
+
+public class DeadlineSсheduler {
+
+    private final Logger log = LoggerFactory.getLogger(UserScheduler.class);
+
+    private final PaperRepository paperRepository;
+    private final MailService mailService;
+
+    public DeadlineSсheduler(PaperRepository paperRepository, MailService mailService) {
+        this.paperRepository = paperRepository;
+        this.mailService = mailService;
+    }
+
+    @Scheduled(cron = "0 0 8 * 1 ?")
+    public void sendMessageDeadlineBeforeWeek() {
+        log.debug("DeadlineSсheduler.sendMessageDeadlineBeforeWeek started");
+        List<Paper> allPapers = paperRepository.findAll();
+        for (Paper element: allPapers) {
+            Calendar c = Calendar.getInstance();
+            c.add(Calendar.DAY_OF_YEAR, 7);
+            if(c.getTime().compareTo(element.getDeadlineDate()) < 0 ) {
+                List<User> users = element.getAuthors();
+                for (User user : users) {
+                    mailService.sendEmail(user.getEmail(), "Приближается срок сдачи статьи",
+                            "Срок сдачи статьи " + element.getTitle() + " " +  element.getDeadlineDate().toString());
+                }
+            }
+        }
+        log.debug("DeadlineSсheduler.sendMessageDeadlineBeforeWeek finished");
+    }
+    @Scheduled(cron = "0 0 8 * * ?")
+    public void sendMessageDeadlineAfterWeek() {
+        log.debug("DeadlineSсheduler.sendMessageDeadlineAfterWeek started");
+        List<Paper> allPapers = paperRepository.findAll();
+        for (Paper element: allPapers) {
+            Calendar c = Calendar.getInstance();
+            c.add(Calendar.DAY_OF_YEAR, 7);
+            if(c.getTime().compareTo(element.getDeadlineDate()) >= 0 ) {
+                List<User> users = element.getAuthors();
+                for (User user : users) {
+                    mailService.sendEmail(user.getEmail(), "Приближается срок сдачи статьи",
+                            "Срок сдачи статьи " + element.getTitle() + " " +  element.getDeadlineDate().toString());
+                }
+            }
+        }
+        log.debug("DeadlineSсheduler.sendMessageDeadlineAfterWeek finished");
+    }
+}