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Most of the activityobject-saving for Favorite implemented

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This commit is contained in:
Mikael Nordfeldth 2014-07-01 23:25:58 +02:00
parent b66ec247db
commit 2e6a32c7be
3 changed files with 213 additions and 36 deletions
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43
lib/activityhandlerplugin.php
View File

@ -110,7 +110,8 @@ abstract class ActivityHandlerPlugin extends Plugin
* and any additional data structures you require.
*
* This function is deprecated and in the future, Notice::saveActivity
* should be called from onStartHandleFeedEntryWithProfile in this class.
* should be called from onStartHandleFeedEntryWithProfile in this class
* (which instead turns to saveObjectFromActivity).
*
* @param Activity $activity
* @param Profile $actor
@ -121,7 +122,8 @@ abstract class ActivityHandlerPlugin extends Plugin
public function saveNoticeFromActivity(Activity $activity, Profile $actor, array $options=array())
{
// Any plugin which has not implemented saveObjectFromActivity _must_
// override this function (which will be deleted when all plugins are migrated).
// override this function until they are migrated (this function will
// be deleted when all plugins are migrated to saveObjectFromActivity).
if (isset($this->oldSaveNew)) {
throw new ServerException('A function has been called for new saveActivity functionality, but is still set with an oldSaveNew configuration');
@ -130,6 +132,37 @@ abstract class ActivityHandlerPlugin extends Plugin
return Notice::saveActivity($activity, $actor, $options);
}
/**
* Given a parsed ActivityStreams activity, your plugin gets
* to figure out itself how to store the additional data into
* the database, besides the base data stored by the core.
*
* This will handle just about all events where an activity
* object gets saved, whether it is via AtomPub, OStatus
* (PuSH and Salmon transports), or ActivityStreams-based
* backup/restore of account data.
*
* You should be able to accept as input the output from an
* asActivity() call on the stored object. Where applicable,
* try to use existing ActivityStreams structures and object
* types, and be liberal in accepting input from what might
* be other compatible apps.
*
* All micro-app classes must override this method.
*
* @fixme are there any standard options?
*
* @param Activity $activity
* @param Profile $actor
* @param array $options=array()
*
* @return Notice the resulting notice
*/
public function saveObjectFromActivity(Activity $activity, Notice $stored, array $options=array())
{
throw new ServerException('This function should be abstract when all plugins have migrated to saveObjectFromActivity');
}
/*
* This usually gets called from Notice::saveActivity after a Notice object has been created,
* so it contains a proper id and a uri for the object to be saved.
@ -252,7 +285,11 @@ abstract class ActivityHandlerPlugin extends Plugin
return true;
}
$object = $this->activityObjectFromNotice($notice);
try {
$object = $this->activityObjectFromNotice($notice);
} catch (NoResultException $e) {
$object = null; // because getKV returns null on failure
}
return false;
}

47
plugins/Favorite/FavoritePlugin.php
View File

@ -151,12 +151,53 @@ class FavoritePlugin extends ActivityHandlerPlugin
{
}
// FIXME: Set this to abstract public when all plugins have migrated!
public function saveObjectFromActivity(Activity $activity, Notice $stored, array $options=array())
{
assert($this->isMyActivity($act));
$actor = $stored->getProfile();
$uris = array();
if (count($act->objects) != 1) {
// TRANS: Exception thrown when a favor activity has anything but 1 object
throw new ClientException(_('Favoring activites can only be done one at a time'));
}
$obj = $act->objects[0];
$type = isset($obj->type) ? ActivityUtils::resolveUri($obj->type, true) : ActivityObject::NOTE;
$uris = $obj->getIdentifiers();
try {
$local = ActivityUtils::findLocalObject($uris, $type);
} catch (Exception $e) {
// TODO: if it's not available locally, we should import the favorited object!
common_debug('Could not find favored notice locally: '.var_export($uris,true));
return null;
}
if (!empty($act->time)) {
// This should reasonably mean that it was created on our instance.
$options['created'] = common_sql_date($act->time);
}
$options['uri'] = !empty($act->id) ? $act->id : $act->selfLink;
$object = Fave::saveNew($actor, $local, $type, $options);
return $object;
}
public function activityObjectFromNotice(Notice $notice)
{
$fave = Fave::fromStored($notice);
return $fave->asActivityObject();
}
public function deleteRelated(Notice $notice)
{
try {
$fave = Fave::fromStored($notice);
$fave->delete();
} catch (NoResultException $e) {
// Cool, no problem. We wanted to get rid of it anyway.
}
}
// API stuff
@ -196,15 +237,15 @@ class FavoritePlugin extends ActivityHandlerPlugin
{
parent::onNoticeDeleteRelated($notice);
// The below algorithm is because we have faves not stored as
// proper activities in Notice from legacy versions of SN/GNU social
// The below algorithm is because we want to delete fave
// activities on any notice which _has_ faves, and not as
// in the parent function only ones that _are_ faves.
$fave = new Fave();
$fave->notice_id = $notice->id;
if ($fave->find()) {
while ($fave->fetch()) {
Fave::blowCacheForProfileId($fave->user_id);
$fave->delete();
}
}

159
plugins/Favorite/classes/Fave.php
View File

@ -2,22 +2,16 @@
/**
* Table Definition for fave
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Fave extends Managed_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'fave'; // table name
public $notice_id; // int(4) primary_key not_null
public $user_id; // int(4) primary_key not_null
public $uri; // varchar(255)
public $created; // datetime multiple_key not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
public static function schemaDef()
{
return array(
@ -25,6 +19,7 @@ class Fave extends Managed_DataObject
'notice_id' => array('type' => 'int', 'not null' => true, 'description' => 'notice that is the favorite'),
'user_id' => array('type' => 'int', 'not null' => true, 'description' => 'user who likes this notice'),
'uri' => array('type' => 'varchar', 'length' => 255, 'description' => 'universally unique identifier, usually a tag URI'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
'primary key' => array('notice_id', 'user_id'),
@ -61,11 +56,15 @@ class Fave extends Managed_DataObject
$fave->user_id = $profile->id;
$fave->notice_id = $notice->id;
$fave->created = common_sql_now();
$fave->modified = common_sql_now();
$fave->uri = self::newURI($fave->user_id,
$fave->notice_id,
$fave->modified);
if (!$fave->insert()) {
$fave->uri = self::newURI($profile,
$notice,
$fave->created);
try {
$fave->insert();
} catch (ServerException $e) {
common_log_db_error($fave, 'INSERT', __FILE__);
return false;
}
@ -79,7 +78,17 @@ class Fave extends Managed_DataObject
return $fave;
}
function delete($useWhere=false)
// exception throwing takeover!
public function insert() {
if (!parent::insert()) {
throw new ServerException(sprintf(_m('Could not store new object of type %s'), get_called_class()));
}
self::blowCacheForProfileId($this->user_id);
self::blowCacheForNoticeId($this->notice_id);
return $this;
}
public function delete($useWhere=false)
{
$profile = Profile::getKV('id', $this->user_id);
$notice = Notice::getKV('id', $this->notice_id);
@ -215,24 +224,6 @@ class Fave extends Managed_DataObject
return $cnt;
}
function getURI()
{
if (!empty($this->uri)) {
return $this->uri;
} else {
return self::newURI($this->user_id, $this->notice_id, $this->modified);
}
}
static function newURI($profile_id, $notice_id, $modified)
{
return TagURI::mint('favor:%d:%d:%s',
$profile_id,
$notice_id,
common_date_iso8601($modified));
}
static protected $_faves = array();
/**
@ -276,4 +267,112 @@ class Fave extends Managed_DataObject
$cache->delete(Cache::key('fave:list-ids:notice_id:'.$notice_id));
}
}
// Remember that we want the _activity_ notice here, not faves applied
// to the supplied Notice (as with byNotice)!
static public function fromStored(Notice $stored) {
$class = get_called_class();
$object = new $class;
$object->uri = $stored->uri;
if (!$object->find(true)) {
throw new NoResultException($object);
}
return $object;
}
static public function verbToTitle($verb) {
return ucfirst($verb);
}
static public function object_type()
{
return 'activity';
}
public function asActivityObject(Profile $scoped=null) {
$actobj = new ActivityObject();
$actobj->id = $this->getUri();
$actobj->type = ActivityUtils::resolveUri(ActivityObject::ACTIVITY);
$actobj->actor = $this->getActorObject();
$actobj->objects = array(clone($actobj->target));
$actobj->title = Stored_ActivityVerb::verbToTitle($this->verb);
//$actobj->verb = $this->verb;
//$actobj->target = $this->getTargetObject();
return $actobj;
}
static public function parseActivityObject(ActivityObject $actobj, Notice $stored) {
$actor = $stored->getProfile();
$object = new Fave();
$object->user_id = $actor->id;
$object->notice_id = $stored->id;
$object->object_uri = $stored->uri;
$object->created = $stored->created;
return $object;
}
static function saveActivityObject(ActivityObject $actobj, Notice $stored) {
$object = self::parseActivityObject($actobj, $stored);
$object->insert(); // exception throwing!
return $object;
}
public function getTarget() {
// throws exception on failure
return ActivityUtils::findLocalObject(array($this->uri), $this->type);
}
public function getTargetObject() {
return $this->getTarget()->asActivityObject();
}
protected $_stored = array();
public function getStored() {
if (!isset($this->_stored[$this->uri])) {
$stored = new Notice();
$stored->uri = $this->uri;
if (!$stored->find(true)) {
throw new NoResultException($stored);
}
$this->_stored[$this->uri] = $stored;
}
return $this->_stored[$this->uri];
}
public function getActor() {
$profile = new Profile();
$profile->id = $this->user_id;
if (!$profile->find(true)) {
throw new NoResultException($profile);
}
return $profile;
}
public function getActorObject() {
return $this->getActor()->asActivityObject();
}
public function getURI()
{
if (!empty($this->uri)) {
return $this->uri;
}
// We (should've in this case) created it ourselves, so we tag it ourselves
return self::newURI($this->getActor(), $this->getTarget(), $this->created);
}
static function newURI(Profile $actor, Managed_DataObject $target, $created=null)
{
if (is_null($created)) {
$created = common_sql_now();
}
return TagURI::mint(strtolower(get_called_class()).':%d:%s:%d:%s',
$actor->id,
ActivityUtils::resolveUri(self::object_type(), true),
$target->id,
common_date_iso8601($created));
}
}