class.ilForumAutoSaveAsyncDraftAction.php

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<?php

declare(strict_types=1);

class ilForumAutoSaveAsyncDraftAction
{
    public function __construct(
        private readonly ilObjUser $actor,
        private readonly ilPropertyFormGUI $form,
        private readonly ilForumProperties $forumProperties,
        private readonly ilForumTopic $thread,
        private readonly ?ilForumPost $relatedPost,
        private Closure $subjectFormatterCallable,
        private int $relatedDraftId,
        private readonly int $relatedForumId,
        private readonly string $action
    ) {
    }

    public function executeAndGetResponseObject(): stdClass
    {
        $response = new stdClass();
        $response->draft_id = 0;

        if ($this->actor->isAnonymous() || $this->actor->getId() <= 0) {
            return $response;
        }

        if ($this->thread->getId() > 0 && $this->thread->isClosed()) {
            return $response;
        }

        if (!ilForumPostDraft::isAutoSavePostDraftAllowed()) {
            return $response;
        }

        if (
            $this->relatedPost instanceof ilForumPost && (
                !$this->relatedPost->isActivated() || $this->relatedPost->isCensored()
            )
        ) {
            return $response;
        }

        $relatedPostId = 0;
        if ($this->relatedPost instanceof ilForumPost) {
            $relatedPostId = $this->relatedPost->getId();
        }

        $this->form->checkInput();
        $inputValues = $this->getInputValuesFromForm();

        if ($this->relatedDraftId > 0) {
            $draftId = $this->relatedDraftId;
        } else {
            $draftId = (int) $this->form->getInput('draft_id');
        }

        $subjectFormatterCallback = $this->subjectFormatterCallable;

        if ($draftId > 0) {
            if ('showreply' === $this->action) {
                $draft = ilForumPostDraft::newInstanceByDraftId($draftId);

                if ($draft->getPostAuthorId() !== $this->actor->getId()) {
                    return $response;
                }

                $draft->setPostSubject($subjectFormatterCallback($inputValues['subject']));
                $draft->setPostMessage(ilRTE::_replaceMediaObjectImageSrc($inputValues['message'], 0));
                $draft->setPostUserAlias($inputValues['alias']);
                $draft->setNotificationStatus((bool) $inputValues['notify']);
                $draft->setUpdateUserId($this->actor->getId());
                $draft->setPostAuthorId($this->actor->getId());
                $draft->setPostDisplayUserId(($this->forumProperties->isAnonymized() ? 0 : $this->actor->getId()));
                $draft->updateDraft();

                $uploadedObjects = ilObjMediaObject::_getMobsOfObject('frm~:html', $this->actor->getId());
                $oldMediaObjects = ilObjMediaObject::_getMobsOfObject('frm~d:html', $draft->getDraftId());
                $curMediaObjects = ilRTE::_getMediaObjects($inputValues['message'], 0);

                $this->handleMedia(
                    ilForumPostDraft::MEDIAOBJECT_TYPE,
                    $draft->getDraftId(),
                    $uploadedObjects,
                    $oldMediaObjects,
                    $curMediaObjects
                );
            } else {
                $draft = ilForumPostDraft::newInstanceByDraftId($draftId);
                if ($draft->getPostAuthorId() !== $this->actor->getId()) {
                    return $response;
                }

                $history_entry = new ilForumDraftsHistory();
                $history_entry->setDraftId($draft->getDraftId());
                $history_entry->setPostSubject($subjectFormatterCallback($inputValues['subject']));
                $history_entry->setPostMessage(ilRTE::_replaceMediaObjectImageSrc($inputValues['message'], 0));
                $history_entry->addDraftToHistory();

                $uploadedObjects = ilObjMediaObject::_getMobsOfObject('frm~:html', $this->actor->getId());
                $oldMediaObjects = ilObjMediaObject::_getMobsOfObject('frm~d:html', $history_entry->getDraftId());
                $curMediaObjects = ilRTE::_getMediaObjects($inputValues['message'], 0);

                $this->handleMedia(
                    ilForumDraftsHistory::MEDIAOBJECT_TYPE,
                    $history_entry->getHistoryId(),
                    $uploadedObjects,
                    $oldMediaObjects,
                    $curMediaObjects
                );
            }
        } else {
            $draft = new ilForumPostDraft();
            $draft->setForumId($this->relatedForumId);
            $draft->setThreadId($this->thread->getId());
            $draft->setPostId($relatedPostId);
            $draft->setPostSubject($subjectFormatterCallback($inputValues['subject']));
            $draft->setPostMessage(ilRTE::_replaceMediaObjectImageSrc($inputValues['message'], 0));
            $draft->setPostUserAlias($inputValues['alias']);
            $draft->setNotificationStatus((bool) $inputValues['notify']);
            $draft->setPostAuthorId($this->actor->getId());
            $draft->setPostDisplayUserId(($this->forumProperties->isAnonymized() ? 0 : $this->actor->getId()));
            $draft->saveDraft();

            $uploadedObjects = ilObjMediaObject::_getMobsOfObject('frm~:html', $this->actor->getId());
            $oldMediaObjects = ilObjMediaObject::_getMobsOfObject('frm~d:html', $draft->getDraftId());
            $curMediaObjects = ilRTE::_getMediaObjects($inputValues['message'], 0);

            $this->handleMedia(
                ilForumPostDraft::MEDIAOBJECT_TYPE,
                $draft->getDraftId(),
                $uploadedObjects,
                $oldMediaObjects,
                $curMediaObjects
            );
        }

        $response->draft_id = $draft->getDraftId();

        return $response;
    }

    protected function handleMedia(
        string $type,
        int $draftId,
        array $uploadedObjects,
        array $oldMediaObjects,
        array $curMediaObjects
    ): void {
        foreach ($uploadedObjects as $mob) {
            ilObjMediaObject::_removeUsage($mob, 'frm~:html', $this->actor->getId());
            ilObjMediaObject::_saveUsage($mob, $type, $draftId);
        }

        foreach ($oldMediaObjects as $mob) {
            ilObjMediaObject::_saveUsage($mob, $type, $draftId);
        }

        foreach ($curMediaObjects as $mob) {
            ilObjMediaObject::_saveUsage($mob, $type, $draftId);
        }
    }

    protected function getInputValuesFromForm(): array
    {
        return [
            'subject' => (string) $this->form->getInput('subject'),
            'message' => (string) $this->form->getInput('message'),
            'notify' => (int) $this->form->getInput('notify'),
            'alias' => ilForumUtil::getPublicUserAlias(
                $this->form->getInput('alias'),
                $this->forumProperties->isAnonymized()
            )
        ];
    }
}