getIdentifiers, resolveUri, findLocalObject Activity algorithms

Also modified related classes to support this feature.
This commit is contained in:
Mikael Nordfeldth 2014-06-28 21:16:45 +02:00
parent 38bea34562
commit 96babc59f5
3 changed files with 84 additions and 12 deletions

View File

@ -213,6 +213,28 @@ class Notice extends Managed_DataObject
return $this->uri;
}
/*
* Get a Notice object by URI. Will call external plugins for help
* using the event StartGetNoticeFromURI.
*
* @param string $uri A unique identifier for a resource (notice in this case)
*/
static function fromUri($uri)
{
$notice = null;
if (Event::handle('StartGetNoticeFromUri', array($uri, &$notice))) {
$notice = Notice::getKV('uri', $uri);
Event::handle('EndGetNoticeFromUri', array($uri, $notice));
}
if (!$notice instanceof Notice) {
throw new UnknownUriException($uri);
}
return $notice;
}
/*
* @param $root boolean If true, link to just the conversation root.
*

View File

@ -440,7 +440,7 @@ class ActivityObject
$object->type = (empty($notice->object_type)) ? ActivityObject::NOTE : $notice->object_type;
$object->id = $notice->uri;
$object->title = 'New ' . ActivityObject::canonicalType($object->type) . ' by ';
$object->title = 'New ' . self::canonicalType($object->type) . ' by ';
try {
$object->title .= $notice->getProfile()->getAcctUri();
} catch (ProfileNoAcctUriException $e) {
@ -584,7 +584,7 @@ class ActivityObject
$object->thumbnail = null;
}
switch (ActivityObject::canonicalType($object->type)) {
switch (self::canonicalType($object->type)) {
case 'image':
$object->largerImage = $file->url;
break;
@ -860,7 +860,7 @@ class ActivityObject
// We can probably use the whole schema URL here but probably the
// relative simple name is easier to parse
$object['objectType'] = ActivityObject::canonicalType($this->type);
$object['objectType'] = self::canonicalType($this->type);
// summary
$object['summary'] = $this->summary;
@ -945,7 +945,7 @@ class ActivityObject
}
}
switch (ActivityObject::canonicalType($this->type)) {
switch (self::canonicalType($this->type)) {
case 'image':
if (!empty($this->largerImage)) {
$object['fullImage'] = array('url' => $this->largerImage);
@ -964,13 +964,18 @@ class ActivityObject
return array_filter($object);
}
static function canonicalType($type) {
$ns = 'http://activitystrea.ms/schema/1.0/';
if (substr($type, 0, mb_strlen($ns)) == $ns) {
return substr($type, mb_strlen($ns));
} else {
return $type;
public function getIdentifiers() {
$ids = array();
foreach(array('id', 'link', 'url') as $id) {
if (isset($this->$id)) {
$ids[] = $this->$id;
}
}
return array_unique($ids);
}
static function canonicalType($type) {
return ActivityUtils::resolveUri($type, true);
}
static function mimeTypeToObjectType($mimeType) {

View File

@ -349,12 +349,57 @@ class ActivityUtils
static function compareTypes($type, $objects) // this does verbs too!
{
$type = ActivityObject::canonicalType($type);
$type = self::resolveUri($type);
foreach ((array)$objects as $object) {
if ($type === ActivityObject::canonicalType($object)) {
if ($type === self::resolveUri($object)) {
return true;
}
}
return false;
}
static function resolveUri($uri, $make_relative=false)
{
if (empty($uri)) {
throw new ServerException('No URI to resolve in ActivityUtils::resolveUri');
}
if (!$make_relative && parse_url($uri, PHP_URL_SCHEME) == '') { // relative -> absolute
$uri = Activity::SCHEMA . $uri;
} elseif ($make_relative) { // absolute -> relative
$uri = basename($uri); //preg_replace('/^http:\/\/activitystrea\.ms\/schema\/1\.0\//', '', $uri);
} // absolute schemas pass through unharmed
return $uri;
}
static function findLocalObject(array $uris, $type=ActivityObject::NOTE) {
$object = null;
// TODO: Extend this in plugins etc.
if (Event::handle('StartFindLocalActivityObject', array($uris, $type, &$object))) {
switch (self::resolveUri($type)) {
case ActivityObject::PERSON:
// GROUP will also be here in due time...
$object = new Profile();
break;
default:
$object = new Notice();
}
}
foreach (array_unique($uris) as $uri) {
try {
// the exception thrown will cancel before reaching $object
$object = call_user_func(array($object, 'fromUri'), $uri);
break;
} catch (Exception $e) {
common_debug('Could not find local activity object from uri: '.$uri);
}
}
if (!empty($object)) {
Event::handle('EndFindLocalActivityObject', array($object->getUri(), $type, $object));
} else {
throw new Exception('Could not find any activityobject stored locally with given URI');
}
return $object;
}
}