2019-04-24 01:03:56 +04:00

117 lines
3.9 KiB
Java

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;
import ru.ulstu.students.model.Task;
import ru.ulstu.students.model.TaskDto;
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 java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import static org.springframework.util.ObjectUtils.isEmpty;
import static ru.ulstu.core.util.StreamApiUtils.convert;
import static ru.ulstu.students.model.Task.TaskStatus.IN_WORK;
@Service
public class TaskService {
private final static int MAX_DISPLAY_SIZE = 40;
private final TaskRepository taskRepository;
private final DeadlineService deadlineService;
private final TagService tagService;
public TaskService(TaskRepository taskRepository,
DeadlineService deadlineService, TagService tagService) {
this.taskRepository = taskRepository;
this.deadlineService = deadlineService;
this.tagService = tagService;
}
public List<Task> findAll() {
return taskRepository.findAll(new Sort(Sort.Direction.DESC, "createDate"));
}
public List<TaskDto> findAllDto() {
List<TaskDto> tasks = convert(findAll(), TaskDto::new);
tasks.forEach(taskDto -> taskDto.setTitle(StringUtils.abbreviate(taskDto.getTitle(), MAX_DISPLAY_SIZE)));
return tasks;
}
public TaskDto findOneDto(Integer id) {
return new TaskDto(taskRepository.findOne(id));
}
public List<TaskDto> filter(TaskFilterDto filterDto) {
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
public Integer create(TaskDto taskDto) throws IOException {
Task newTask = copyFromDto(new Task(), taskDto);
newTask = taskRepository.save(newTask);
return newTask.getId();
}
private Task copyFromDto(Task task, TaskDto taskDto) throws IOException {
task.setTitle(taskDto.getTitle());
task.setDescription(taskDto.getDescription());
task.setStatus(taskDto.getStatus() == null ? IN_WORK : taskDto.getStatus());
task.setDeadlines(deadlineService.saveOrCreate(taskDto.getDeadlines()));
task.setCreateDate(task.getCreateDate() == null ? new Date() : task.getCreateDate());
task.setUpdateDate(new Date());
task.getTags().clear();
task.setTags(tagService.saveOrCreate(taskDto.getTags()));
return task;
}
@Transactional
public Integer update(TaskDto taskDto) throws IOException {
Task task = taskRepository.findOne(taskDto.getId());
taskRepository.save(copyFromDto(task, taskDto));
return task.getId();
}
@Transactional
public void delete(Integer taskId) throws IOException {
if (taskRepository.exists(taskId)) {
taskRepository.delete(taskId);
}
}
public void save(TaskDto taskDto) throws IOException {
if (isEmpty(taskDto.getId())) {
create(taskDto);
} else {
update(taskDto);
}
}
public List<Task.TaskStatus> getTaskStatuses() {
return Arrays.asList(Task.TaskStatus.values());
}
public List<Tag> getTags() {
return tagService.getTags();
}
}