Merge branch '119-notification-grants' into 'dev'

Resolve "Реализовать уведомления на почту"

Closes #119

See merge request romanov73/ng-tracker!84

src/main/java/ru/ulstu/grant/service/GrantNotificationService.java

@@ -0,0 +1,72 @@
+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 TEMPLATE_LEADER_CHANGED = "grantLeaderChangeNotification";
+
+    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 static String TITLE_LEADER_CHANGED = "Изменился руководитель 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 sendAuthorsChangeNotification(Grant grant, Set<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()));
+    }
+
+    public void sendLeaderChangeNotification(Grant grant, User oldLeader) {
+        Map<String, Object> variables = ImmutableMap.of("grant", grant, "oldLeader", oldLeader);
+        sendForAllAuthors(variables, grant, TEMPLATE_LEADER_CHANGED, String.format(TITLE_LEADER_CHANGED, grant.getTitle()));
+    }
+    private void sendForAllAuthors(Map<String, Object> variables, Grant grant, String template, String title) {
+        Set<User> allAuthors = grant.getAuthors();
+        allAuthors.forEach(author -> mailService.sendEmailFromTemplate(variables, author, template, title));
+        mailService.sendEmailFromTemplate(variables, grant.getLeader(), template, title);
+    }
+}

src/main/java/ru/ulstu/grant/service/GrantScheduler.java

@@ -0,0 +1,30 @@
+package ru.ulstu.grant.service;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+@Service
+public class GrantScheduler {
+    private final static boolean IS_DEADLINE_NOTIFICATION_BEFORE_WEEK = true;
+
+    private final Logger log = LoggerFactory.getLogger(GrantScheduler.class);
+
+    private final GrantNotificationService grantNotificationService;
+    private final GrantService grantService;
+
+    public GrantScheduler(GrantNotificationService grantNotificationService,
+                          GrantService grantService) {
+        this.grantNotificationService = grantNotificationService;
+        this.grantService = grantService;
+    }
+
+
+    @Scheduled(cron = "0 0 8 * * MON", zone = "Europe/Samara")
+    public void checkDeadlineBeforeWeek() {
+        log.debug("GrantScheduler.checkDeadlineBeforeWeek started");
+        grantNotificationService.sendDeadlineNotifications(grantService.findAll(), IS_DEADLINE_NOTIFICATION_BEFORE_WEEK);
+        log.debug("GrantScheduler.checkDeadlineBeforeWeek finished");
+    }
+}

src/main/java/ru/ulstu/grant/service/GrantService.java

@@ -23,7 +23,9 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import static java.util.stream.Collectors.toList;
 import static org.springframework.util.ObjectUtils.isEmpty;
@@ -41,6 +43,7 @@ public class GrantService {
     private final UserService userService;
     private final PaperService paperService;
     private final EventService eventService;
+    private final GrantNotificationService grantNotificationService;
 
     public GrantService(GrantRepository grantRepository,
                         FileService fileService,
@@ -48,7 +51,8 @@ public class GrantService {
                         ProjectService projectService,
                         UserService userService,
                         PaperService paperService,
-                        EventService eventService) {
+                        EventService eventService,
+                        GrantNotificationService grantNotificationService) {
         this.grantRepository = grantRepository;
         this.fileService = fileService;
         this.deadlineService = deadlineService;
@@ -56,6 +60,7 @@ public class GrantService {
         this.userService = userService;
         this.paperService = paperService;
         this.eventService = eventService;
+        this.grantNotificationService = grantNotificationService;
     }
 
     public List<Grant> findAll() {
@@ -77,6 +82,7 @@ public class GrantService {
         Grant newGrant = copyFromDto(new Grant(), grantDto);
         newGrant = grantRepository.save(newGrant);
         eventService.createFromGrant(newGrant);
+        grantNotificationService.sendCreateNotification(newGrant);
         return newGrant.getId();
     }
 
@@ -113,6 +119,8 @@ public class GrantService {
     @Transactional
     public Integer update(GrantDto grantDto) throws IOException {
         Grant grant = grantRepository.findOne(grantDto.getId());
+        Set<User> oldAuthors = new HashSet<>(grant.getAuthors());
+        User oldLeader = grant.getLeader();
         for (FileDataDto file : grantDto.getFiles().stream()
                 .filter(f -> f.isDeleted() && f.getId() != null)
                 .collect(toList())) {
@@ -120,6 +128,20 @@ public class GrantService {
         }
         grantDto.getRemovedDeadlineIds().forEach(deadlineService::remove);
         grantRepository.save(copyFromDto(grant, grantDto));
+
+        grant.getAuthors().forEach(author -> {
+            if (!oldAuthors.contains(author)) {
+                grantNotificationService.sendAuthorsChangeNotification(grant, oldAuthors);
+            }
+        });
+        oldAuthors.forEach(oldAuthor -> {
+            if (!grant.getAuthors().contains(oldAuthor)) {
+                grantNotificationService.sendAuthorsChangeNotification(grant, oldAuthors);
+            }
+        });
+        if (grant.getLeader() != oldLeader) {
+            grantNotificationService.sendLeaderChangeNotification(grant, oldLeader);
+        }
         eventService.updateGrantDeadlines(grant);
         return grant.getId();
     }
@@ -148,6 +170,7 @@ public class GrantService {
         grant = grantRepository.save(grant);
 
         eventService.createFromGrant(grant);
+        grantNotificationService.sendCreateNotification(grant);
 
         return grant;
     }
@@ -222,7 +245,6 @@ public class GrantService {
                 .filter(paper -> paper.getAuthors() != null)
                 .flatMap(paper -> paper.getAuthors().stream())
                 .collect(toList());
-
     }
 
     private List<User> getBAKAuthors() {

src/main/resources/db/changelog-20190507_000000-schema.xml

@@ -0,0 +1,8 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="tanya" id="20190507_000000-1">
+        <dropColumn columnName="deadline_date" tableName="grants"/>
+    </changeSet>
+</databaseChangeLog>

src/main/resources/db/changelog-master.xml

@@ -38,5 +38,6 @@
     <include file="db/changelog-20190428_000000-schema.xml"/>
     <include file="db/changelog-20190430_000000-schema.xml"/>
     <include file="db/changelog-20190505_000000-schema.xml"/>
+    <include file="db/changelog-20190507_000000-schema.xml"/>
     <include file="db/changelog-20190507_000001-schema.xml"/>
 </databaseChangeLog>

src/main/resources/mail_templates/grantAuthorsChangeNotification.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Уведомление об изменении состава рабочей группы</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+    <link rel="shortcut icon" th:href="@{|${baseUrl}/favicon.ico|}"/>
+</head>
+<body>
+<p>
+    Уважаемый(ая) <span th:text="${user.firstName + ' ' + user.lastName}">Ivan Ivanov</span>
+</p>
+<p>
+    Состав рабочей группы гранта "<a th:href="@{|${baseUrl}/grants/grant?id=${grant.id}|}"><span
+        th:text="${grant.title}">Title</span></a>" сменился с
+    " <span th:each="author : ${oldAuthors}" th:text="${author.lastName + ' '}">oldAuthors</span>"
+    на " <span th:each="author : ${grant.authors}" th:text="${author.lastName + ' '}">newAuthors</span>".
+</p>
+<p>
+    Regards,
+    <br/>
+    <em>NG-tracker.</em>
+</p>
+</body>
+</html>

src/main/resources/mail_templates/grantCreateNotification.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Уведомление о создании гранта</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+    <link rel="shortcut icon" th:href="@{|${baseUrl}/favicon.ico|}"/>
+</head>
+<body>
+<p>
+    Уважаемый(ая) <span th:text="${user.firstName + ' ' + user.lastName}">Ivan Ivanov</span>
+</p>
+<p>
+    Был добавлен новый грант: "<a th:href="@{|${baseUrl}/grants/grant?id=${grant.id}|}">
+    <span th:text="${grant.title}">Title</span></a>".
+    <br/>
+</p>
+<p>
+    Руководитель гранта:
+    <span th:text="${grant.leader.firstName}"></span>
+    <span th:text="${grant.leader.lastName}">Leader</span>.
+</p>
+<p>
+    Regards,
+    <br/>
+    <em>NG-tracker.</em>
+</p>
+</body>
+</html>

src/main/resources/mail_templates/grantDeadlineNotification.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Уведомление о дедлайне гранта</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+    <link rel="shortcut icon" th:href="@{|${baseUrl}/favicon.ico|}"/>
+</head>
+<body>
+<p>
+    Уважаемый(ая) <span th:text="${user.firstName + ' ' + user.lastName}">Ivan Ivanov</span>
+</p>
+<p>
+    Приближается дедлайн гранта "<a th:href="@{|${baseUrl}/grants/grant?id=${grant.id}|}"><span
+        th:text="${grant.title}">Title</span></a>".
+</p>
+<p>
+    Срок исполнения: <b><span th:text="${#dates.format(grant.nextDeadline.get().date, 'dd.MM.yyyy')}">Date</span></b>.
+</p>
+<p>
+    Примечание: <b><span th:text="${grant.nextDeadline.get().description}">Description</span></b>.
+</p>
+<p>
+    Regards,
+    <br/>
+    <em>NG-tracker.</em>
+</p>
+</body>
+</html>

src/main/resources/mail_templates/grantLeaderChangeNotification.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <title>Уведомление об изменении руководителя гранта</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+    <link rel="shortcut icon" th:href="@{|${baseUrl}/favicon.ico|}"/>
+</head>
+<body>
+<p>
+    Уважаемый(ая) <span th:text="${user.firstName + ' ' + user.lastName}">Ivan Ivanov</span>
+</p>
+<p>
+    Руководитель гранта "<a th:href="@{|${baseUrl}/grants/grant?id=${grant.id}|}"><span
+        th:text="${grant.title}">Title</span></a>" сменился с
+    "<span th:text="${oldLeader.lastName} ">oldLeader</span>"
+    на "<span th:text="${grant.leader.lastName}">newLeader</span>".
+</p>
+<p>
+    Regards,
+    <br/>
+    <em>NG-tracker.</em>
+</p>
+</body>
+</html>