diff options
Diffstat (limited to 'mod/blog/actions/blog/auto_save_revision.php')
-rw-r--r-- | mod/blog/actions/blog/auto_save_revision.php | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/mod/blog/actions/blog/auto_save_revision.php b/mod/blog/actions/blog/auto_save_revision.php new file mode 100644 index 000000000..e33edfaab --- /dev/null +++ b/mod/blog/actions/blog/auto_save_revision.php @@ -0,0 +1,89 @@ +<?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; |