/**
* Get related blogs to this blog
*
* @param ElggBlog $entity the blog to relate to
* @param int $limit number of blogs to return
*
* @return false|ElggBlog[]
*/
function blog_tools_get_related_blogs(ElggBlog $entity, $limit = 4)
{
$limit = sanitise_int($limit, false);
if (!$entity instanceof ElggBlog) {
return false;
}
// transform to values
$tag_values = $entity->tags;
if (empty($tag_values)) {
return false;
}
if (!is_array($tag_values)) {
$tag_values = [$tag_values];
}
// find blogs with these metadatavalues
$options = ['type' => 'object', 'subtype' => 'blog', 'metadata_name' => 'tags', 'metadata_values' => $tag_values, 'wheres' => ["(e.guid <> {$entity->getGUID()})"], 'group_by' => 'e.guid', 'order_by' => 'count(msn.id) DESC', 'limit' => $limit];
return elgg_get_entities_from_metadata($options);
}
/**
* Pull together blog variables for the save form
*
* @param ElggBlog $post
* @param ElggAnnotation $revision
* @return array
*/
function blog_prepare_form_vars($post = NULL, $revision = NULL)
{
// input names => defaults
$values = array('title' => NULL, 'description' => NULL, 'status' => 'published', 'access_id' => ACCESS_DEFAULT, 'comments_on' => 'On', 'excerpt' => NULL, 'tags' => NULL, 'container_guid' => NULL, 'guid' => NULL, 'draft_warning' => '');
if ($post) {
foreach (array_keys($values) as $field) {
if (isset($post->{$field})) {
$values[$field] = $post->{$field};
}
}
}
if (elgg_is_sticky_form('blog')) {
$sticky_values = elgg_get_sticky_values('blog');
foreach ($sticky_values as $key => $value) {
$values[$key] = $value;
}
}
elgg_clear_sticky_form('blog');
if (!$post) {
return $values;
}
// load the revision annotation if requested
if ($revision instanceof ElggAnnotation && $revision->entity_guid == $post->getGUID()) {
$values['revision'] = $revision;
$values['description'] = $revision->value;
}
// display a notice if there's an autosaved annotation
// and we're not editing it.
if ($auto_save_annotations = $post->getAnnotations('blog_auto_save', 1)) {
$auto_save = $auto_save_annotations[0];
} else {
$auto_save == FALSE;
}
if ($auto_save && $auto_save->id != $revision->id) {
$values['draft_warning'] = elgg_echo('blog:messages:warning:draft');
}
return $values;
}
// remove sticky form entries
elgg_clear_sticky_form('blog');
// remove autosave draft if exists
$blog->deleteAnnotations('blog_auto_save');
// no longer a brand new post.
$blog->deleteMetadata('new_post');
// if this was an edit, create a revision annotation
if (!$new_post && $revision_text) {
$blog->annotate('blog_revision', $revision_text);
}
system_message(elgg_echo('blog:message:saved'));
$status = $blog->status;
// add to river if changing status or published, regardless of new post
// because we remove it for drafts.
if (($new_post || $old_status == 'draft') && $status == 'published') {
add_to_river('river/object/blog/create', 'create', $blog->owner_guid, $blog->getGUID());
// we only want notifications sent when post published
register_notification_object('object', 'blog', elgg_echo('blog:newpost'));
elgg_trigger_event('publish', 'object', $blog);
// reset the creation time for posts that move from draft to published
if ($guid) {
$blog->time_created = time();
$blog->save();
}
} elseif ($old_status == 'published' && $status == 'draft') {
elgg_delete_river(array('object_guid' => $blog->guid, 'action_type' => 'create'));
}
//Khang Added
forward(REFERER);
if ($blog->status == 'published' || $save == false) {
forward($blog->getURL());
// remove sticky form entries
elgg_clear_sticky_form('blog');
// remove autosave draft if exists
$blog->deleteAnnotations('blog_auto_save');
// no longer a brand new post.
$blog->deleteMetadata('new_post');
// if this was an edit, create a revision annotation
if (!$new_post && $revision_text) {
$blog->annotate('blog_revision', $revision_text);
}
system_message(elgg_echo('blog:message:saved'));
$status = $blog->status;
// add to river if changing status or published, regardless of new post
// because we remove it for drafts.
if (($new_post || $old_status == 'draft') && $status == 'published') {
add_to_river('river/object/blog/create', 'create', elgg_get_logged_in_user_guid(), $blog->getGUID());
if ($guid) {
$blog->time_created = time();
$blog->save();
}
} elseif ($old_status == 'published' && $status == 'draft') {
elgg_delete_river(array('object_guid' => $blog->guid, 'action_type' => 'create'));
}
if ($blog->status == 'published' || $save == false) {
forward($blog->getURL());
} else {
forward("blog/edit/{$blog->guid}");
}
} else {
register_error(elgg_echo('blog:error:cannot_save'));
forward($error_forward_url);
// remove sticky form entries
elgg_clear_sticky_form('blog');
// remove autosave draft if exists
$blog->deleteAnnotations('blog_auto_save');
// no longer a brand new post.
$blog->deleteMetadata('new_post');
// if this was an edit, create a revision annotation
if (!$new_post && $revision_text) {
$blog->annotate('blog_revision', $revision_text);
}
system_message(elgg_echo('blog:message:saved'));
$status = $blog->status;
// add to river if changing status or published, regardless of new post
// because we remove it for drafts.
if (($new_post || $old_status == 'draft') && $status == 'published') {
elgg_create_river_item(array('view' => 'river/object/blog/create', 'action_type' => 'create', 'subject_guid' => $blog->owner_guid, 'object_guid' => $blog->getGUID()));
elgg_trigger_event('publish', 'object', $blog);
// reset the creation time for posts that move from draft to published
if ($guid) {
$blog->time_created = time();
$blog->save();
}
} elseif ($old_status == 'published' && $status == 'draft') {
elgg_delete_river(array('object_guid' => $blog->guid, 'action_type' => 'create'));
}
if ($blog->status == 'published' || $save == false) {
forward($blog->getURL());
} else {
forward("blog/edit/{$blog->guid}");
}
} else {
$auto_save_annotations = $blog->getAnnotations(array('annotation_name' => 'blog_auto_save', 'limit' => 1));
if ($auto_save_annotations) {
$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;
/**
* Web service for making a blog post
*
* @param string $title the title of blog
* @param $body
* @param $comment_status
* @param string $access Access level of blog
*
* @param $status
* @param $username
* @param string $tags tags for blog
* @param string $excerpt the excerpt of blog
* @return bool
* @throws InvalidParameterException
* @internal param $description
* @internal param $container_guid
* @internal param string $text the content of blog
* @internal param string $username username of author
*/
function blog_save_post($title, $body, $comment_status, $access, $status, $username, $tags, $excerpt)
{
if (!$username) {
$user = elgg_get_logged_in_user_entity();
} else {
$user = get_user_by_username($username);
if (!$user) {
throw new InvalidParameterException('registration:usernamenotvalid');
}
}
if ($access == 'ACCESS_FRIENDS') {
$access_id = -2;
} elseif ($access == 'ACCESS_PRIVATE') {
$access_id = 0;
} elseif ($access == 'ACCESS_LOGGED_IN') {
$access_id = 1;
} elseif ($access == 'ACCESS_PUBLIC') {
$access_id = 2;
} else {
$access_id = -2;
}
$blog = new ElggBlog();
$blog->subtype = "blog";
$blog->owner_guid = $user->guid;
$blog->container_guid = $user->guid;
$blog->access_id = $access_id;
$blog->description = $body;
$blog->title = elgg_substr(strip_tags($title), 0, 140);
$blog->status = $status;
$blog->comments_on = $comment_status;
$blog->excerpt = strip_tags($excerpt);
$blog->tags = string_to_tag_array($tags);
$guid = $blog->save();
$newStatus = $blog->status;
if ($guid > 0 && $newStatus == 'published') {
elgg_create_river_item(array('view' => 'river/object/blog/create', 'action_type' => 'create', 'subject_guid' => $blog->owner_guid, 'object_guid' => $blog->getGUID()));
elgg_trigger_event('publish', 'object', $blog);
if ($guid) {
$blog->time_created = time();
$blog->save();
}
$return['guid'] = $guid;
$return['message'] = $newStatus;
} else {
$return['guid'] = $guid;
$return['message'] = $status;
}
return $return;
}
