gnu-social/classes/Notice_prefs.php

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<?php
/**
* GNU social
*
* Data class for Notice preferences
*
* PHP version 5
*
* LICENCE: 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 Data
* @package GNUsocial
* @author Mikael Nordfeldth <mmn@hethane.se>
* @copyright 2013 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://www.gnu.org/software/social/
*/
class Notice_prefs extends Managed_DataObject
{
public $__table = 'notice_prefs'; // table name
public $notice_id; // int(4) primary_key not_null
public $namespace; // varchar(191) not_null
public $topic; // varchar(191) not_null
public $data; // text
public $created; // datetime not_null default_0000-00-00%2000%3A00%3A00
public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
public static function schemaDef()
{
return array(
'fields' => array(
'notice_id' => array('type' => 'int', 'not null' => true, 'description' => 'user'),
'namespace' => array('type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'namespace, like pluginname or category'),
'topic' => array('type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'preference key, i.e. description, age...'),
'data' => array('type' => 'blob', 'description' => 'topic data, may be anything'),
'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', 'namespace', 'topic'),
'foreign keys' => array(
'notice_prefs_notice_id_fkey' => array('notice', array('notice_id' => 'id')),
),
'indexes' => array(
'notice_prefs_notice_id_idx' => array('notice_id'),
),
);
}
static function getNamespacePrefs(Notice $notice, $namespace, array $topic=array())
{
if (empty($topic)) {
$prefs = new Notice_prefs();
$prefs->notice_id = $notice->getID();
$prefs->namespace = $namespace;
$prefs->find();
} else {
$prefs = self::pivotGet('notice_id', $notice->getID(), array('namespace'=>$namespace, 'topic'=>$topic));
}
if (empty($prefs->N)) {
throw new NoResultException($prefs);
}
return $prefs;
}
static function getNamespace(Notice $notice, $namespace, array $topic=array())
{
$prefs = self::getNamespacePrefs($notice, $namespace, $topic);
return $prefs->fetchAll();
}
static function getAll(Notice $notice)
{
try {
$prefs = self::listFind('notice_id', array($notice->getID()));
} catch (NoResultException $e) {
return array();
}
$list = array();
while ($prefs->fetch()) {
if (!isset($list[$prefs->namespace])) {
$list[$prefs->namespace] = array();
}
$list[$prefs->namespace][$prefs->topic] = $prefs->data;
}
return $list;
}
static function getTopic(Notice $notice, $namespace, $topic) {
return self::getByPK(array('notice_id' => $notice->getID(),
'namespace' => $namespace,
'topic' => $topic));
}
static function getData(Notice $notice, $namespace, $topic, $def=null) {
try {
$pref = self::getTopic($notice, $namespace, $topic);
} catch (NoResultException $e) {
if ($def === null) {
// If no default value was set, continue the exception.
throw $e;
}
// If there was a default value, return that.
return $def;
}
return $pref->data;
}
static function getConfigData(Notice $notice, $namespace, $topic) {
try {
$data = self::getData($notice, $namespace, $topic);
} catch (NoResultException $e) {
$data = common_config($namespace, $topic);
}
return $data;
}
/*
* Sets a notice preference based on Notice, namespace and topic
*
* @param Notice $notice Which notice this is for
* @param string $namespace Under which namespace (pluginname etc.)
* @param string $topic Preference name (think key in key-val store)
* @param string $data Data to be put into preference storage, null means delete
*
* @return true if changes are made, false if no action taken
* @throws ServerException if preference could not be saved
*/
static function setData(Notice $notice, $namespace, $topic, $data=null) {
try {
$pref = self::getTopic($notice, $namespace, $topic);
if (is_null($data)) {
$pref->delete();
} else {
$orig = clone($pref);
$pref->data = $data;
$pref->update($orig);
}
return true;
} catch (NoResultException $e) {
if (is_null($data)) {
return false; // No action taken
}
}
$pref = new Notice_prefs();
$pref->notice_id = $notice->getID();
$pref->namespace = $namespace;
$pref->topic = $topic;
$pref->data = $data;
$pref->created = common_sql_now();
if ($pref->insert() === false) {
throw new ServerException('Could not save notice preference.');
}
return true;
}
}