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getIdentifiers, resolveUri, findLocalObject Activity algorithms

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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
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49
lib/activityutils.php
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@@ -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;
}
}