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package com.jetbrains.python.edu.course;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.xmlb.annotations.Transient;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import com.jetbrains.python.edu.StudyUtils;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Implementation of task which contains task files, tests, input file for tests
*/
public class Task implements Stateful{
public static final String TASK_DIR = "task";
private static final String ourTestFile = "tests.py";
public String name;
private static final String ourTextFile = "task.html";
public Map<String, TaskFile> taskFiles = new HashMap<String, TaskFile>();
private Lesson myLesson;
public int myIndex;
public List<UserTest> userTests = new ArrayList<UserTest>();
public static final String USER_TESTS = "userTests";
public Map<String, TaskFile> getTaskFiles() {
return taskFiles;
}
@Transient
public StudyStatus getStatus() {
for (TaskFile taskFile : taskFiles.values()) {
StudyStatus taskFileStatus = taskFile.getStatus();
if (taskFileStatus == StudyStatus.Unchecked) {
return StudyStatus.Unchecked;
}
if (taskFileStatus == StudyStatus.Failed) {
return StudyStatus.Failed;
}
}
return StudyStatus.Solved;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public void setStatus(@NotNull final StudyStatus status, @NotNull final StudyStatus oldStatus) {
LessonInfo lessonInfo = myLesson.getLessonInfo();
if (status != oldStatus) {
lessonInfo.update(oldStatus, -1);
lessonInfo.update(status, +1);
}
for (TaskFile taskFile : taskFiles.values()) {
taskFile.setStatus(status, oldStatus);
}
}
public List<UserTest> getUserTests() {
return userTests;
}
public String getTestFile() {
return ourTestFile;
}
public String getText() {
return ourTextFile;
}
/**
* Creates task directory in its lesson folder in project user created
*
* @param lessonDir project directory of lesson which task belongs to
* @param resourceRoot directory where original task file stored
* @throws java.io.IOException
*/
public void create(@NotNull final VirtualFile lessonDir, @NotNull final File resourceRoot) throws IOException {
VirtualFile taskDir = lessonDir.createChildDirectory(this, TASK_DIR + Integer.toString(myIndex + 1));
File newResourceRoot = new File(resourceRoot, taskDir.getName());
int i = 0;
for (Map.Entry<String, TaskFile> taskFile : taskFiles.entrySet()) {
TaskFile taskFileContent = taskFile.getValue();
taskFileContent.setIndex(i);
i++;
taskFileContent.create(taskDir, newResourceRoot, taskFile.getKey());
}
File[] filesInTask = newResourceRoot.listFiles();
if (filesInTask != null) {
for (File file : filesInTask) {
String fileName = file.getName();
if (!isTaskFile(fileName)) {
File resourceFile = new File(newResourceRoot, fileName);
File fileInProject = new File(taskDir.getCanonicalPath(), fileName);
FileUtil.copy(resourceFile, fileInProject);
}
}
}
}
private boolean isTaskFile(@NotNull final String fileName) {
return taskFiles.get(fileName) != null;
}
@Nullable
public TaskFile getFile(@NotNull final String fileName) {
return taskFiles.get(fileName);
}
/**
* Initializes state of task file
*
* @param lesson lesson which task belongs to
*/
public void init(final Lesson lesson, boolean isRestarted) {
myLesson = lesson;
for (TaskFile taskFile : taskFiles.values()) {
taskFile.init(this, isRestarted);
}
}
public Task next() {
Lesson currentLesson = this.myLesson;
List<Task> taskList = myLesson.getTaskList();
if (myIndex + 1 < taskList.size()) {
return taskList.get(myIndex + 1);
}
Lesson nextLesson = currentLesson.next();
if (nextLesson == null) {
return null;
}
return StudyUtils.getFirst(nextLesson.getTaskList());
}
public Task prev() {
Lesson currentLesson = this.myLesson;
if (myIndex - 1 >= 0) {
return myLesson.getTaskList().get(myIndex - 1);
}
Lesson prevLesson = currentLesson.prev();
if (prevLesson == null) {
return null;
}
//getting last task in previous lesson
return prevLesson.getTaskList().get(prevLesson.getTaskList().size() - 1);
}
public void setIndex(int index) {
myIndex = index;
}
public int getIndex() {
return myIndex;
}
public Lesson getLesson() {
return myLesson;
}
@Nullable
public VirtualFile getTaskDir(Project project) {
String lessonDirName = Lesson.LESSON_DIR + String.valueOf(myLesson.getIndex() + 1);
String taskDirName = TASK_DIR + String.valueOf(myIndex + 1);
VirtualFile courseDir = project.getBaseDir();
if (courseDir != null) {
VirtualFile lessonDir = courseDir.findChild(lessonDirName);
if (lessonDir != null) {
return lessonDir.findChild(taskDirName);
}
}
return null;
}
/**
* Gets text of resource file such as test input file or task text in needed format
*
* @param fileName name of resource file which should exist in task directory
* @param wrapHTML if it's necessary to wrap text with html tags
* @return text of resource file wrapped with html tags if necessary
*/
@Nullable
public String getResourceText(@NotNull final Project project, @NotNull final String fileName, boolean wrapHTML) {
VirtualFile taskDir = getTaskDir(project);
if (taskDir != null) {
return StudyUtils.getFileText(taskDir.getCanonicalPath(), fileName, wrapHTML);
}
return null;
}
}
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