/**
* Imports lesson object from array
* (see LessonImporter for structure and description).
*
* @param array $data
* @param $rootPath
*
* @return Lesson
*/
public function importLesson(array $data, $rootPath)
{
$lesson = new Lesson();
if (isset($data['data'])) {
$lessonData = $data['data'];
$chaptersMap = [];
foreach ($lessonData['chapters'] as $chapter) {
$entityChapter = new Chapter();
$entityChapter->setLesson($lesson);
$entityChapter->setTitle($chapter['title']);
$text = file_get_contents($rootPath . DIRECTORY_SEPARATOR . $chapter['path']);
$entityChapter->setText($text);
if ($chapter['is_root']) {
$lesson->setRoot($entityChapter);
}
$parentChapter = null;
if ($chapter['parent_id'] !== null) {
$parentChapter = $chaptersMap[$chapter['parent_id']];
$entityChapter->setParent($parentChapter);
$this->chapterRepository->persistAsLastChildOf($entityChapter, $parentChapter);
} else {
$this->chapterRepository->persistAsFirstChild($entityChapter);
}
$chaptersMap[$chapter['id']] = $entityChapter;
}
}
return $lesson;
}
public function chapter($title, $text, $lesson, $root)
{
$chapter = new Chapter();
$chapter->setTitle($title);
$chapter->setText($text);
$chapter->setLesson($lesson);
$this->om->persist($chapter);
$this->om->flush();
return $chapter;
}
/**
* Copy chapter_org subchapters into provided chapter_copy
* @param Chapter $chapter_org
* @param Chapter $parent
* @param boolean $copy_children
* @param Lesson $copyName
*
* @return Chapter $chapter_copy
*/
public function copyChapter(Chapter $chapter_org, Chapter $parent, $copy_children, $copyName = null)
{
$chapter_copy = new Chapter();
if (!$copyName) {
$copyName = $chapter_org->getTitle();
}
$chapter_copy->setTitle($copyName);
$chapter_copy->setText($chapter_org->getText());
$chapter_copy->setLesson($parent->getLesson());
$this->insertChapter($chapter_copy, $parent);
if ($copy_children) {
$this->copyChildren($chapter_org, $chapter_copy, $copy_children);
}
return $chapter_copy;
}
/**
* @ORM\PostPersist
*/
public function createRoot(LifecycleEventArgs $event)
{
if ($this->getRoot() == null) {
$em = $event->getEntityManager();
$rootLesson = $this->getRoot();
if ($rootLesson == null) {
$rootLesson = new Chapter();
$rootLesson->setLesson($this);
$rootLesson->setTitle("root_" . $this->getId());
$this->setRoot($rootLesson);
$em->getRepository('IcapLessonBundle:Chapter')->persistAsFirstChild($rootLesson);
$em->flush();
}
}
}
