src/main/java/ru/ulstu/students/controller/TaskController.java

@@ -45,7 +45,7 @@ public class TaskController {
 
     @GetMapping("/tasks")
     public void getTask(ModelMap modelMap) {
-        modelMap.put("filteredTasks", new TaskFilterDto(taskService.findAllDto(), null, null));
+        modelMap.put("filteredTasks", new TaskFilterDto(taskService.findAllDto(), null, null, null));
     }
 
     @GetMapping("/task")
@@ -61,7 +61,8 @@ public class TaskController {
     public void filterTasks(@Valid TaskFilterDto taskFilterDto, ModelMap modelMap) {
         modelMap.put("filteredTasks", new TaskFilterDto(taskService.filter(taskFilterDto),
                 taskFilterDto.getStatus(),
-                taskFilterDto.getTag()));
+                taskFilterDto.getTag(),
+                taskFilterDto.getOrder()));
     }
 
     @PostMapping(value = "/task", params = "save")

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

@@ -7,11 +7,13 @@ public class TaskFilterDto {
     private List<TaskDto> tasks;
     private Task.TaskStatus status;
     private Integer tagId;
+    private String order;
 
-    public TaskFilterDto(List<TaskDto> tasks, Task.TaskStatus status, Integer tagId) {
+    public TaskFilterDto(List<TaskDto> tasks, Task.TaskStatus status, Integer tagId, String order) {
         this.tasks = tasks;
         this.status = status;
         this.tagId = tagId;
+        this.order = order;
     }
 
     public TaskFilterDto() {
@@ -41,4 +43,12 @@ public class TaskFilterDto {
     public void setTag(Integer tagId) {
         this.tagId = tagId;
     }
+
+    public String getOrder() {
+        return order;
+    }
+
+    public void setOrder(String order) {
+        this.order = order;
+    }
 }

src/main/java/ru/ulstu/students/repository/TaskRepository.java

@@ -10,6 +10,9 @@ import java.util.List;
 
 public interface TaskRepository extends JpaRepository<Task, Integer> {
 
-    @Query("SELECT t FROM Task t WHERE (t.status = :status OR :status IS NULL) AND (:tag IS NULL OR :tag MEMBER OF t.tags)")
+    @Query("SELECT t FROM Task t WHERE (t.status = :status OR :status IS NULL) AND (:tag IS NULL OR :tag MEMBER OF t.tags) ORDER BY create_date DESC")
-    List<Task> filter(@Param("status") Task.TaskStatus status, @Param("tag") Tag tag);
+    List<Task> filterNew(@Param("status") Task.TaskStatus status, @Param("tag") Tag tag);
+
+    @Query("SELECT t FROM Task t WHERE (t.status = :status OR :status IS NULL) AND (:tag IS NULL OR :tag MEMBER OF t.tags) ORDER BY create_date ASC")
+    List<Task> filterOld(@Param("status") Task.TaskStatus status, @Param("tag") Tag tag);
 }

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

@@ -1,6 +1,7 @@
 package ru.ulstu.students.service;
 
 import org.apache.commons.lang3.StringUtils;
+import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import ru.ulstu.deadline.service.DeadlineService;
@@ -29,15 +30,15 @@ public class TaskService {
     private final DeadlineService deadlineService;
     private final TagService tagService;
 
-    public TaskService(TaskRepository grantRepository,
+    public TaskService(TaskRepository taskRepository,
                        DeadlineService deadlineService, TagService tagService) {
-        this.taskRepository = grantRepository;
+        this.taskRepository = taskRepository;
         this.deadlineService = deadlineService;
         this.tagService = tagService;
     }
 
     public List<Task> findAll() {
-        return taskRepository.findAll();
+        return taskRepository.findAll(new Sort(Sort.Direction.DESC, "createDate"));
     }
 
     public List<TaskDto> findAllDto() {
@@ -51,9 +52,15 @@ public class TaskService {
     }
 
     public List<TaskDto> filter(TaskFilterDto filterDto) {
-        return convert(taskRepository.filter(
+        if (filterDto.getOrder().compareTo("new") == 0) {
+            return convert(taskRepository.filterNew(
                     filterDto.getStatus(),
                     filterDto.getTag() == null ? null : tagService.findById(filterDto.getTag())), TaskDto::new);
+        } else {
+            return convert(taskRepository.filterOld(
+                    filterDto.getStatus(),
+                    filterDto.getTag() == null ? null : tagService.findById(filterDto.getTag())), TaskDto::new);
+        }
     }
 
     @Transactional

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

@@ -24,6 +24,10 @@
     line-height: 25px;
 }
 
+.sorting .bootstrap-select{
+    margin-bottom: 10px;
+}
+
 .input-tag-name {
     border: none;
     box-shadow: none;

src/main/resources/templates/students/tasks.html

@@ -25,6 +25,19 @@
                         </th:block>
                     </div>
                     <div class="col-md-3 col-sm-12">
+                        <div class="sorting">
+                            <h5>Сортировать:</h5>
+                            <select class="form-control selectpicker" size="auto" th:field="${filteredTasks.order}"
+                                    id="order"
+                                    onchange="this.form.submit();">
+                                <option th:value="new">
+                                    Сначала новые
+                                </option>
+                                <option th:value="old">
+                                    Сначала старые
+                                </option>
+                            </select>
+                        </div>
                         <div class="filter">
                             <h5>Фильтр:</h5>
                             <select class="form-control selectpicker" size="auto" th:field="${filteredTasks.status}"