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<?php
/**
* Action called by AJAX periodic auto saving when editing.
*
* @package Blog
*/
$guid = get_input('guid');
$user = elgg_get_logged_in_user_entity();
$title = htmlspecialchars(get_input('title', '', false), ENT_QUOTES, 'UTF-8');
$description = get_input('description');
$excerpt = get_input('excerpt');
// because get_input() doesn't use the default if the input is ''
if (empty($excerpt)) {
$excerpt = $description;
}
// store errors to pass along
$error = FALSE;
if ($title && $description) {
if ($guid) {
$entity = get_entity($guid);
if (elgg_instanceof($entity, 'object', 'blog') && $entity->canEdit()) {
$blog = $entity;
} else {
$error = elgg_echo('blog:error:post_not_found');
}
} else {
$blog = new ElggBlog();
$blog->subtype = 'blog';
// force draft and private for autosaves.
$blog->status = 'unsaved_draft';
$blog->access_id = ACCESS_PRIVATE;
$blog->title = $title;
$blog->description = $description;
$blog->excerpt = elgg_get_excerpt($excerpt);
// mark this as a brand new post so we can work out the
// river / revision logic in the real save action.
$blog->new_post = TRUE;
if (!$blog->save()) {
$error = elgg_echo('blog:error:cannot_save');
}
}
// creat draft annotation
if (!$error) {
// annotations don't have a "time_updated" so
// we have to delete everything or the times are wrong.
// don't save if nothing changed
if ($auto_save_annotations = $blog->getAnnotations('blog_auto_save', 1)) {
$auto_save = $auto_save_annotations[0];
} else {
$auto_save == FALSE;
}
if (!$auto_save) {
$annotation_id = $blog->annotate('blog_auto_save', $description);
} elseif ($auto_save instanceof ElggAnnotation && $auto_save->value != $description) {
$blog->deleteAnnotations('blog_auto_save');
$annotation_id = $blog->annotate('blog_auto_save', $description);
} elseif ($auto_save instanceof ElggAnnotation && $auto_save->value == $description) {
// this isn't an error because we have an up to date annotation.
$annotation_id = $auto_save->id;
}
if (!$annotation_id) {
$error = elgg_echo('blog:error:cannot_auto_save');
}
}
} else {
$error = elgg_echo('blog:error:missing:description');
}
if ($error) {
$json = array('success' => FALSE, 'message' => $error);
echo json_encode($json);
} else {
$msg = elgg_echo('blog:message:saved');
$json = array('success' => TRUE, 'message' => $msg, 'guid' => $blog->getGUID());
echo json_encode($json);
}
exit;
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