forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			129 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * StatusNet, the distributed open-source microblogging tool
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|  *
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|  * Data class for user location preferences
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|  *
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|  * PHP version 5
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|  *
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|  * LICENCE: This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * @category  Data
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|  * @package   StatusNet
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|  * @author    Evan Prodromou <evan@status.net>
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|  * @copyright 2009 StatusNet Inc.
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| class Inbox extends Managed_DataObject {
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|     const BOXCAR = 128;
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|     const MAX_NOTICES = 1024;
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| 
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|     ###START_AUTOCODE
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|     /* the code below is auto generated do not remove the above tag */
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| 
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|     public $__table = 'inbox';                           // table name
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|     public $user_id;                         // int(4)  primary_key not_null
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|     public $notice_ids;                      // blob
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| 
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|     /* the code above is auto generated do not remove the tag below */
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|     ###END_AUTOCODE
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| 
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|     public static function schemaDef()
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|     {
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|         return array(
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|             'fields' => array(
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|                 'user_id' => array('type' => 'int', 'not null' => true, 'description' => 'user receiving the notice'),
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|                 'notice_ids' => array('type' => 'blob', 'description' => 'packed list of notice ids'),
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|             ),
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|             'primary key' => array('user_id'),
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|             'foreign keys' => array(
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|                 'inbox_user_id_fkey' => array('user', array('user_id' => 'id')),
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|             ),
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|         );
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|     }
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| 
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|     /**
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|      * Append the given notice to the given user's inbox.
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|      * Caching updates are managed for the inbox itself.
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|      *
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|      * If the notice is already in this inbox, the second
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|      * add will be silently dropped.
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|      *
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|      * @param int @user_id
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|      * @param int $notice_id
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|      * @return boolean success
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|      */
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|     static function insertNotice($user_id, $notice_id)
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|     {
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|         // Going straight to the DB rather than trusting our caching
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|         // during an update. Note: not using DB_DataObject::staticGet,
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|         // which is unsafe to use directly (in-process caching causes
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|         // memory leaks, which accumulate in queue processes).
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|         $inbox = new Inbox();
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|         $inbox->get('user_id', $user_id);
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| 
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|         if (empty($inbox)) {
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|             return false;
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|         }
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| 
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|         $ids = $inbox->unpack();
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|         if (in_array(intval($notice_id), $ids)) {
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|             // Already in there, we probably re-ran some inbox adds
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|             // due to an error. Skip the dupe silently.
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|             return true;
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|         }
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| 
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|         $result = $inbox->query(sprintf('UPDATE inbox '.
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|                                         'SET notice_ids = concat(cast(0x%08x as binary(4)), '.
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|                                         'SUBSTR(notice_ids, 1, %d)) '.
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|                                         'WHERE user_id = %d',
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|                                         $notice_id,
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|                                         4 * (self::MAX_NOTICES - 1),
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|                                         $user_id));
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| 
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|         if ($result !== false) {
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|             self::blow('inbox:user_id:%d', $user_id);
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|         }
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| 
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|         return $result;
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|     }
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| 
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|     static function bulkInsert($notice_id, $user_ids)
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|     {
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|         foreach ($user_ids as $user_id)
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|         {
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|             self::insertNotice($user_id, $notice_id);
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|         }
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|     }
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| 
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|     /**
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|      * Saves a list of integer notice_ids into a packed blob in this object.
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|      * @param array $ids list of integer notice_ids
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|      */
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|     function pack(array $ids)
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|     {
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|         $this->notice_ids = call_user_func_array('pack', array_merge(array('N*'), $ids));
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|     }
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| 
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|     /**
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|      * @return array of integer notice_ids
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|      */
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|     function unpack()
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|     {
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|         return unpack('N*', $this->notice_ids);
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|     }
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| }
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