src/main/java/ru/ulstu/students/model/Task.java

@@ -67,6 +67,7 @@ public class Task extends BaseEntity {
     private Date updateDate = new Date();
 
     @ManyToMany(fetch = FetchType.EAGER)
+    @Fetch(FetchMode.SUBSELECT)
     @JoinTable(name = "task_tags",
             joinColumns = {@JoinColumn(name = "task_id")},
             inverseJoinColumns = {@JoinColumn(name = "tag_id")})
@@ -127,4 +128,5 @@ public class Task extends BaseEntity {
     public void setTags(List<Tag> tags) {
         this.tags = tags;
     }
+
 }

src/main/java/ru/ulstu/students/service/TaskService.java

@@ -11,6 +11,7 @@ import ru.ulstu.students.model.TaskFilterDto;
 import ru.ulstu.students.repository.TaskRepository;
 import ru.ulstu.tags.model.Tag;
 import ru.ulstu.tags.service.TagService;
+import ru.ulstu.timeline.service.EventService;
 
 import java.io.IOException;
 import java.util.Arrays;
@@ -29,12 +30,14 @@ public class TaskService {
     private final TaskRepository taskRepository;
     private final DeadlineService deadlineService;
     private final TagService tagService;
+    private final EventService eventService;
 
     public TaskService(TaskRepository taskRepository,
-                       DeadlineService deadlineService, TagService tagService) {
+                       DeadlineService deadlineService, TagService tagService, EventService eventService) {
         this.taskRepository = taskRepository;
         this.deadlineService = deadlineService;
         this.tagService = tagService;
+        this.eventService = eventService;
     }
 
     public List<Task> findAll() {
@@ -67,6 +70,7 @@ public class TaskService {
     public Integer create(TaskDto taskDto) throws IOException {
         Task newTask = copyFromDto(new Task(), taskDto);
         newTask = taskRepository.save(newTask);
+        eventService.createFromTask(newTask);
         return newTask.getId();
     }
 
@@ -86,6 +90,7 @@ public class TaskService {
     public Integer update(TaskDto taskDto) throws IOException {
         Task task = taskRepository.findOne(taskDto.getId());
         taskRepository.save(copyFromDto(task, taskDto));
+        eventService.updateTaskDeadlines(task);
         return task.getId();
     }
 

src/main/java/ru/ulstu/timeline/model/Event.java

@@ -5,6 +5,7 @@ import ru.ulstu.conference.model.Conference;
 import ru.ulstu.core.model.BaseEntity;
 import ru.ulstu.grant.model.Grant;
 import ru.ulstu.paper.model.Paper;
+import ru.ulstu.students.model.Task;
 import ru.ulstu.user.model.User;
 
 import javax.persistence.CascadeType;
@@ -87,6 +88,10 @@ public class Event extends BaseEntity {
     @JoinColumn(name = "grant_id")
     private Grant grant;
 
+    @ManyToOne
+    @JoinColumn(name = "task_id")
+    private Task task;
+
     public String getTitle() {
         return title;
     }
@@ -190,4 +195,12 @@ public class Event extends BaseEntity {
     public void setGrant(Grant grant) {
         this.grant = grant;
     }
+
+    public Task getTask() {
+        return task;
+    }
+
+    public void setTask(Task task) {
+        this.task = task;
+    }
 }

src/main/java/ru/ulstu/timeline/model/EventDto.java

@@ -6,6 +6,7 @@ import org.hibernate.validator.constraints.NotBlank;
 import ru.ulstu.conference.model.ConferenceDto;
 import ru.ulstu.grant.model.GrantDto;
 import ru.ulstu.paper.model.PaperDto;
+import ru.ulstu.students.model.TaskDto;
 import ru.ulstu.user.model.UserDto;
 
 import javax.validation.constraints.NotNull;
@@ -29,6 +30,7 @@ public class EventDto {
     private PaperDto paperDto;
     private ConferenceDto conferenceDto;
     private GrantDto grantDto;
+    private TaskDto taskDto;
 
     @JsonCreator
     public EventDto(@JsonProperty("id") Integer id,
@@ -42,7 +44,8 @@ public class EventDto {
                     @JsonProperty("paperDto") PaperDto paperDto,
                     @JsonProperty("recipients") List<UserDto> recipients,
                     @JsonProperty("conferenceDto") ConferenceDto conferenceDto,
-                    @JsonProperty("grantDto") GrantDto grantDto) {
+                    @JsonProperty("grantDto") GrantDto grantDto,
+                    @JsonProperty("taskDto") TaskDto taskDto) {
         this.id = id;
         this.title = title;
         this.period = period;
@@ -55,6 +58,7 @@ public class EventDto {
         this.paperDto = paperDto;
         this.conferenceDto = conferenceDto;
         this.grantDto = grantDto;
+        this.taskDto = taskDto;
     }
 
     public EventDto(Event event) {
@@ -76,6 +80,9 @@ public class EventDto {
         if (grantDto != null) {
             this.grantDto = new GrantDto(event.getGrant());
         }
+        if (taskDto != null) {
+            this.taskDto = new TaskDto(event.getTask());
+        }
     }
 
     public Integer getId() {
@@ -137,4 +144,12 @@ public class EventDto {
     public void setGrantDto(GrantDto grantDto) {
         this.grantDto = grantDto;
     }
+
+    public TaskDto getTaskDto() {
+        return taskDto;
+    }
+
+    public void setTaskDto(TaskDto taskDto) {
+        this.taskDto = taskDto;
+    }
 }

src/main/java/ru/ulstu/timeline/repository/EventRepository.java

@@ -5,6 +5,7 @@ import org.springframework.data.jpa.repository.Query;
 import ru.ulstu.conference.model.Conference;
 import ru.ulstu.grant.model.Grant;
 import ru.ulstu.paper.model.Paper;
+import ru.ulstu.students.model.Task;
 import ru.ulstu.timeline.model.Event;
 
 import java.util.List;
@@ -21,4 +22,6 @@ public interface EventRepository extends JpaRepository<Event, Integer> {
     List<Event> findAllByConference(Conference conference);
 
     List<Event> findAllByGrant(Grant grant);
+
+    List<Event> findAllByTask(Task task);
 }

src/main/java/ru/ulstu/timeline/service/EventService.java

@@ -8,6 +8,7 @@ import ru.ulstu.conference.model.Conference;
 import ru.ulstu.deadline.model.Deadline;
 import ru.ulstu.grant.model.Grant;
 import ru.ulstu.paper.model.Paper;
+import ru.ulstu.students.model.Task;
 import ru.ulstu.timeline.model.Event;
 import ru.ulstu.timeline.model.EventDto;
 import ru.ulstu.timeline.model.Timeline;
@@ -203,4 +204,33 @@ public class EventService {
         eventRepository.delete(eventRepository.findAllByGrant(grant));
         createFromGrant(grant);
     }
+
+    public void createFromTask(Task newTask) {
+        List<Timeline> timelines = timelineService.findAll();
+        Timeline timeline = timelines.isEmpty() ? new Timeline() : timelines.get(0);
+
+        for (Deadline deadline : newTask.getDeadlines()
+                .stream()
+                .filter(d -> d.getDate().after(new Date()) || DateUtils.isSameDay(d.getDate(), new Date()))
+                .collect(Collectors.toList())) {
+            Event newEvent = new Event();
+            newEvent.setTitle("Дедлайн задачи");
+            newEvent.setStatus(Event.EventStatus.NEW);
+            newEvent.setExecuteDate(deadline.getDate());
+            newEvent.setCreateDate(new Date());
+            newEvent.setUpdateDate(new Date());
+            newEvent.setDescription("Дедлайн '" + deadline.getDescription() + "' задачи '" + newTask.getTitle() + "'");
+            newEvent.getRecipients().add(userService.getCurrentUser());
+            newEvent.setTask(newTask);
+            eventRepository.save(newEvent);
+
+            timeline.getEvents().add(newEvent);
+            timelineService.save(timeline);
+        }
+    }
+
+    public void updateTaskDeadlines(Task task) {
+        eventRepository.delete(eventRepository.findAllByTask(task));
+        createFromTask(task);
+    }
 }

src/main/resources/db/changelog-20190511_000000-schema.xml

@@ -0,0 +1,13 @@
+<?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="nastya" id="20190511_000000-1">
+        <addColumn tableName="event">
+            <column name="task_id" type="integer"></column>
+        </addColumn>
+        <addForeignKeyConstraint baseTableName="event" baseColumnNames="task_id"
+                                 constraintName="fk_event_task_id" referencedTableName="task"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+</databaseChangeLog>

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

@@ -40,4 +40,5 @@
     <include file="db/changelog-20190505_000000-schema.xml"/>
     <include file="db/changelog-20190507_000000-schema.xml"/>
     <include file="db/changelog-20190507_000001-schema.xml"/>
+    <include file="db/changelog-20190511_000000-schema.xml"/>
 </databaseChangeLog>

src/main/resources/public/css/tasks.css

@@ -39,6 +39,42 @@
     max-width: inherit;
 }
 
+.task-row{
+
+    position: relative;
+}
+
+.task-row .col:hover{
+
+    background-color: #f8f9fa;
+
+}
+
+.task-row .col > a{
+    display: block;
+    text-decoration: none;
+}
+
+.task-row .col:hover .remove-task{
+
+    visibility: visible;
+
+}
+
+.remove-task{
+    visibility: hidden;
+    position: absolute;
+    right: -20px;
+    top: 50%;
+    transform: translate(-50%, -50%);
+    padding: 0 20px;
+}
+
+.remove-task:hover{
+
+    background-color: #ebebeb;
+}
+
 .tag {
     display: inline-block;
     padding: .2em .6em .3em;

src/main/resources/public/js/tasks.js

@@ -70,17 +70,17 @@ $(document).ready(function () {
     });
 
     $("span[data-role=remove]").click(removeTag);
-    $(".task-row").mouseenter(function (event) {
+//    $(".task-row").mouseenter(function (event) {
-        var taskRow = $(event.target).closest(".task-row");
+//        var taskRow = $(event.target).closest(".task-row");
-        $(taskRow).css("background-color", "#f8f9fa");
+//        $(taskRow).css("background-color", "#f8f9fa");
-        $(taskRow).find(".remove-task").removeClass("d-none");
+//        $(taskRow).find(".remove-task").removeClass("d-none");
-
+//
-    });
+//    });
-    $(".task-row").mouseleave(function (event) {
+//    $(".task-row").mouseleave(function (event) {
-        var taskRow = $(event.target).closest(".task-row");
+//        var taskRow = $(event.target).closest(".task-row");
-        $(taskRow).css("background-color", "white");
+//        $(taskRow).css("background-color", "white");
-        $(taskRow).closest(".task-row").find(".remove-task").addClass("d-none");
+//        $(taskRow).closest(".task-row").find(".remove-task").addClass("d-none");
-    });
+//    });
 
     $('a[data-confirm]').click(function(ev) {
         var href = $(this).attr('href');

src/main/resources/templates/students/fragments/taskLineFragment.html

@@ -6,15 +6,15 @@
 <body>
 <div th:fragment="taskLine (task)" class="row text-left task-row" style="background-color: white;">
     <div class="col">
-        <span th:replace="students/fragments/taskStatusFragment :: taskStatus(taskStatus=${task.status})"/>
         <a th:href="@{'task?id='+${task.id}}">
+            <span th:replace="students/fragments/taskStatusFragment :: taskStatus(taskStatus=${task.status})"/>
             <span class="h6" th:text="${task.title}"></span>
             <span class="text-muted" th:text="${task.tagsString}"/>
-        </a>
+            <input class="id-class" type="hidden" th:value="${task.id}"/>
-        <input class="id-class" type="hidden" th:value="${task.id}"/>
+            <a class="remove-task pull-right" th:href="@{'/students/delete/'+${task.id}}"
-        <a class="remove-task pull-right d-none" th:href="@{'/students/delete/'+${task.id}}"
+               data-confirm="Удалить задачу?">
-           data-confirm="Удалить задачу?">
+                <i class="fa fa-trash" aria-hidden="true"></i>
-            <i class="fa fa-trash" aria-hidden="true"></i>
+            </a>
         </a>
     </div>
 </div>