Show social activities as notices and activity streams objects

This commit is contained in:
Evan Prodromou 2010-10-27 11:40:52 -04:00
commit 8497d2960a
2 changed files with 448 additions and 0 deletions

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ActivityPlugin.php Normal file
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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Shows social activities in the output feed
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Activity
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Activity plugin main class
*
* @category Activity
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class ActivityPlugin extends Plugin
{
const VERSION = '0.1';
/**
* Database schema setup
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing the activity part of a notice
$schema->ensureTable('notice_activity',
array(new ColumnDef('notice_id', 'integer', null,
false, 'PRI'),
new ColumnDef('verb', 'varchar', 255,
false, 'MUL'),
new ColumnDef('object', 'varchar', 255,
true, 'MUL')));
return true;
}
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'Notice_activity':
include_once $dir . '/'.$cls.'.php';
return false;
default:
return true;
}
}
function onEndSubscribe($subscriber, $other)
{
$user = User::staticGet('id', $subscriber->id);
if (!empty($user)) {
$rendered = sprintf(_m('<em>Started following <a href="%s">%s</a></em>.'),
$other->profileurl,
$other->getBestName());
$content = sprintf(_m('Started following %s.'),
$other->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::FOLLOW,
$other->getUri());
}
return true;
}
function onEndUnsubscribe($subscriber, $other)
{
$user = User::staticGet('id', $subscriber->id);
if (!empty($user)) {
$rendered = sprintf(_m('<em>Stopped following <a href="%s">%s</a></em>.'),
$other->profileurl,
$other->getBestName());
$content = sprintf(_m('Stopped following %s.'),
$other->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::UNFOLLOW,
$other->getUri());
}
return true;
}
function onEndFavorNotice($profile, $notice)
{
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$author = Profile::staticGet('id', $notice->profile_id);
$rendered = sprintf(_m('<em>Liked <a href="%s">%s\'s status</a></em>.'),
$notice->bestUrl(),
$author->getBestName());
$content = sprintf(_m('Liked %s\'s status.'),
$author->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::FAVORITE,
$notice->uri);
}
return true;
}
function onEndDisfavorNotice($profile, $notice)
{
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$author = Profile::staticGet('id', $notice->profile_id);
$rendered = sprintf(_m('<em>Stopped liking <a href="%s">%s\'s status</a></em>.'),
$notice->bestUrl(),
$author->getBestName());
$content = sprintf(_m('Stopped liking %s\'s status.'),
$author->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::UNFAVORITE,
$notice->uri);
}
return true;
}
function onEndJoinGroup($group, $user)
{
$rendered = sprintf(_m('<em>Joined the group &quot;<a href="%s">%s</a>&quot;</em>.'),
$group->homeUrl(),
$group->getBestName());
$content = sprintf(_m('Joined the group %s.'),
$group->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::JOIN,
$group->getUri());
return true;
}
function onEndLeaveGroup($group, $user)
{
$rendered = sprintf(_m('<em>Left the group &quot;<a href="%s">%s</a>&quot;</em>.'),
$group->homeUrl(),
$group->getBestName());
$content = sprintf(_m('Left the group "%s".'),
$group->getBestName());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::LEAVE,
$group->getUri());
return true;
}
function onStartActivityVerb(&$notice, &$xs, &$verb)
{
$act = Notice_activity::staticGet('notice_id', $notice->id);
if (!empty($act)) {
$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
$verb = $act->verb;
}
return true;
}
function onStartActivityDefaultObjectType(&$notice, &$xs, &$type)
{
$act = Notice_activity::staticGet('notice_id', $notice->id);
if (!empty($act)) {
$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
// no default object
return false;
}
return true;
}
function onStartActivityObjects(&$notice, &$xs, &$objects)
{
$act = Notice_activity::staticGet('notice_id', $notice->id);
if (!empty($act)) {
$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
switch ($act->verb)
{
case ActivityVerb::FOLLOW:
case ActivityVerb::UNFOLLOW:
$profile = Profile::fromURI($act->object);
if (!empty($profile)) {
$objects[] = ActivityObject::fromProfile($profile);
}
break;
case ActivityVerb::FAVORITE:
case ActivityVerb::UNFAVORITE:
$notice = Notice::staticGet('uri', $act->object);
if (!empty($notice)) {
$objects[] = $notice->asActivity();
}
break;
case ActivityVerb::JOIN:
case ActivityVerb::LEAVE:
$group = User_group::staticGet('uri', $act->object);
if (!empty($notice)) {
$objects[] = ActivityObject::fromGroup($group);
}
break;
default:
break;
}
}
return true;
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'Activity',
'version' => self::VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:Activity',
'rawdescription' =>
_m('Emits notices when social activities happen.'));
return true;
}
}

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<?php
/**
* Data class for saving social activities as notices
*
* PHP version 5
*
* @category Data
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
/**
* Data class for saving social activities as notices
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* @see DB_DataObject
*/
class Notice_activity extends Memcached_DataObject
{
public $__table = 'notice_activity'; // table name
public $notice_id; // int(4) primary_key not_null
public $verb; // varchar(255)
public $object; // varchar(255)
/**
* Get an instance by key
*
* This is a utility method to get a single instance with a given key value.
*
* @param string $k Key to use to lookup (usually 'notice_id' for this class)
* @param mixed $v Value to lookup
*
* @return Notice_activity object found, or null for no hits
*
*/
function staticGet($k, $v=null)
{
common_debug("Notice_activity::staticGet($k, $v)");
$result = Memcached_DataObject::staticGet('Notice_activity', $k, $v);
return $result;
}
/**
* return table definition for DB_DataObject
*
* DB_DataObject needs to know something about the table to manipulate
* instances. This method provides all the DB_DataObject needs to know.
*
* @return array array of column definitions
*/
function table()
{
return array('notice_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'verb' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
'object' => DB_DATAOBJECT_STR);
}
/**
* return key definitions for DB_DataObject
*
* DB_DataObject needs to know about keys that the table has, since it
* won't appear in StatusNet's own keys list. In most cases, this will
* simply reference your keyTypes() function.
*
* @return array list of key field names
*/
function keys()
{
return array_keys($this->keyTypes());
}
/**
* return key definitions for Memcached_DataObject
*
* Our caching system uses the same key definitions, but uses a different
* method to get them. This key information is used to store and clear
* cached data, so be sure to list any key that will be used for static
* lookups.
*
* @return array associative array of key definitions, field name to type:
* 'K' for primary key: for compound keys, add an entry for each component;
* 'U' for unique keys: compound keys are not well supported here.
*/
function keyTypes()
{
return array('notice_id' => 'K');
}
/**
* Magic formula for non-autoincrementing integer primary keys
*
* If a table has a single integer column as its primary key, DB_DataObject
* assumes that the column is auto-incrementing and makes a sequence table
* to do this incrementation. Since we don't need this for our class, we
* overload this method and return the magic formula that DB_DataObject needs.
*
* @return array magic three-false array that stops auto-incrementing.
*/
function sequenceKey()
{
return array(false, false, false);
}
static function setActivity($notice_id, $verb, $object=null)
{
$act = self::staticGet('notice_id', $notice_id);
if (empty($act)) {
$act = new Notice_activity();
$act->notice_id = $notice_id;
$act->verb = $verb;
$act->object = $object;
$act->insert();
} else {
$orig = clone($act);
$act->verb = $verb;
$act->object = $object;
$act->update($orig);
}
}
}