mirror of
https://github.com/phpbb/phpbb.git
synced 2025-02-25 12:33:29 +01:00
[ticket/14168] Move function for attachment deletion into class
PHPBB3-14168
This commit is contained in:
Marc Alexander
parent
16d5208d9a
commit
d1030450f5
@ -14,6 +14,14 @@ services:
|
||||
- @user
|
||||
- %core.root_path%
|
||||
|
||||
attachment.delete:
|
||||
class: phpbb\attachment\delete
|
||||
scope: prototype
|
||||
arguments:
|
||||
- @config
|
||||
- @dbal.conn
|
||||
- @dispatcher
|
||||
|
||||
filesystem:
|
||||
class: phpbb\filesystem\filesystem
|
||||
|
||||
|
||||
@ -1111,329 +1111,20 @@ function delete_posts($where_type, $where_ids, $auto_sync = true, $posted_sync =
|
||||
/**
|
||||
* Delete Attachments
|
||||
*
|
||||
* @deprecated 3.2.0-a1 (To be removed: 3.4.0)
|
||||
*
|
||||
* @param string $mode can be: post|message|topic|attach|user
|
||||
* @param mixed $ids can be: post_ids, message_ids, topic_ids, attach_ids, user_ids
|
||||
* @param bool $resync set this to false if you are deleting posts or topics
|
||||
*/
|
||||
function delete_attachments($mode, $ids, $resync = true)
|
||||
{
|
||||
global $db, $config, $phpbb_dispatcher;
|
||||
global $phpbb_container;
|
||||
|
||||
// 0 is as bad as an empty array
|
||||
if (empty($ids))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
/** @var \phpbb\attachment\delete $attachment_delete */
|
||||
$attachment_delete = $phpbb_container->get('attachment.delete');
|
||||
|
||||
if (is_array($ids))
|
||||
{
|
||||
$ids = array_unique($ids);
|
||||
$ids = array_map('intval', $ids);
|
||||
}
|
||||
else
|
||||
{
|
||||
$ids = array((int) $ids);
|
||||
}
|
||||
|
||||
$sql_where = '';
|
||||
|
||||
switch ($mode)
|
||||
{
|
||||
case 'post':
|
||||
case 'message':
|
||||
$sql_id = 'post_msg_id';
|
||||
$sql_where = ' AND in_message = ' . ($mode == 'message' ? 1 : 0);
|
||||
break;
|
||||
|
||||
case 'topic':
|
||||
$sql_id = 'topic_id';
|
||||
break;
|
||||
|
||||
case 'user':
|
||||
$sql_id = 'poster_id';
|
||||
break;
|
||||
|
||||
case 'attach':
|
||||
default:
|
||||
$sql_id = 'attach_id';
|
||||
$mode = 'attach';
|
||||
break;
|
||||
}
|
||||
|
||||
$post_ids = $message_ids = $topic_ids = $physical = array();
|
||||
|
||||
/**
|
||||
* Perform additional actions before collecting data for attachment(s) deletion
|
||||
*
|
||||
* @event core.delete_attachments_collect_data_before
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
);
|
||||
extract($phpbb_dispatcher->trigger_event('core.delete_attachments_collect_data_before', compact($vars)));
|
||||
|
||||
// Collect post and topic ids for later use if we need to touch remaining entries (if resync is enabled)
|
||||
$sql = 'SELECT post_msg_id, topic_id, in_message, physical_filename, thumbnail, filesize, is_orphan
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $db->sql_in_set($sql_id, $ids);
|
||||
|
||||
$sql .= $sql_where;
|
||||
|
||||
$result = $db->sql_query($sql);
|
||||
|
||||
while ($row = $db->sql_fetchrow($result))
|
||||
{
|
||||
// We only need to store post/message/topic ids if resync is enabled and the file is not orphaned
|
||||
if ($resync && !$row['is_orphan'])
|
||||
{
|
||||
if (!$row['in_message'])
|
||||
{
|
||||
$post_ids[] = $row['post_msg_id'];
|
||||
$topic_ids[] = $row['topic_id'];
|
||||
}
|
||||
else
|
||||
{
|
||||
$message_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
}
|
||||
|
||||
$physical[] = array('filename' => $row['physical_filename'], 'thumbnail' => $row['thumbnail'], 'filesize' => $row['filesize'], 'is_orphan' => $row['is_orphan']);
|
||||
}
|
||||
$db->sql_freeresult($result);
|
||||
|
||||
/**
|
||||
* Perform additional actions before attachment(s) deletion
|
||||
*
|
||||
* @event core.delete_attachments_before
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
);
|
||||
extract($phpbb_dispatcher->trigger_event('core.delete_attachments_before', compact($vars)));
|
||||
|
||||
// Delete attachments
|
||||
$sql = 'DELETE FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $db->sql_in_set($sql_id, $ids);
|
||||
|
||||
$sql .= $sql_where;
|
||||
|
||||
$db->sql_query($sql);
|
||||
$num_deleted = $db->sql_affectedrows();
|
||||
|
||||
/**
|
||||
* Perform additional actions after attachment(s) deletion from the database
|
||||
*
|
||||
* @event core.delete_attachments_from_database_after
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @var int num_deleted The number of deleted attachment(s) from the database
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
'num_deleted',
|
||||
);
|
||||
extract($phpbb_dispatcher->trigger_event('core.delete_attachments_from_database_after', compact($vars)));
|
||||
|
||||
if (!$num_deleted)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Delete attachments from filesystem
|
||||
$space_removed = $files_removed = 0;
|
||||
foreach ($physical as $file_ary)
|
||||
{
|
||||
if (phpbb_unlink($file_ary['filename'], 'file', true) && !$file_ary['is_orphan'])
|
||||
{
|
||||
// Only non-orphaned files count to the file size
|
||||
$space_removed += $file_ary['filesize'];
|
||||
$files_removed++;
|
||||
}
|
||||
|
||||
if ($file_ary['thumbnail'])
|
||||
{
|
||||
phpbb_unlink($file_ary['filename'], 'thumbnail', true);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Perform additional actions after attachment(s) deletion from the filesystem
|
||||
*
|
||||
* @event core.delete_attachments_from_filesystem_after
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @var int num_deleted The number of deleted attachment(s) from the database
|
||||
* @var int space_removed The size of deleted files(s) from the filesystem
|
||||
* @var int files_removed The number of deleted file(s) from the filesystem
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
'num_deleted',
|
||||
'space_removed',
|
||||
'files_removed',
|
||||
);
|
||||
extract($phpbb_dispatcher->trigger_event('core.delete_attachments_from_filesystem_after', compact($vars)));
|
||||
|
||||
if ($space_removed || $files_removed)
|
||||
{
|
||||
$config->increment('upload_dir_size', $space_removed * (-1), false);
|
||||
$config->increment('num_files', $files_removed * (-1), false);
|
||||
}
|
||||
|
||||
// If we do not resync, we do not need to adjust any message, post, topic or user entries
|
||||
if (!$resync)
|
||||
{
|
||||
return $num_deleted;
|
||||
}
|
||||
|
||||
// No more use for the original ids
|
||||
unset($ids);
|
||||
|
||||
// Now, we need to resync posts, messages, topics. We go through every one of them
|
||||
$post_ids = array_unique($post_ids);
|
||||
$message_ids = array_unique($message_ids);
|
||||
$topic_ids = array_unique($topic_ids);
|
||||
|
||||
// Update post indicators for posts now no longer having attachments
|
||||
if (sizeof($post_ids))
|
||||
{
|
||||
// Just check which posts are still having an assigned attachment not orphaned by querying the attachments table
|
||||
$sql = 'SELECT post_msg_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $db->sql_in_set('post_msg_id', $post_ids) . '
|
||||
AND in_message = 0
|
||||
AND is_orphan = 0';
|
||||
$result = $db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
$db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$post_ids = array_diff($post_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($post_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . POSTS_TABLE . '
|
||||
SET post_attachment = 0
|
||||
WHERE ' . $db->sql_in_set('post_id', $post_ids);
|
||||
$db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
|
||||
// Update message table if messages are affected
|
||||
if (sizeof($message_ids))
|
||||
{
|
||||
// Just check which messages are still having an assigned attachment not orphaned by querying the attachments table
|
||||
$sql = 'SELECT post_msg_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $db->sql_in_set('post_msg_id', $message_ids) . '
|
||||
AND in_message = 1
|
||||
AND is_orphan = 0';
|
||||
$result = $db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
$db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$message_ids = array_diff($message_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($message_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . PRIVMSGS_TABLE . '
|
||||
SET message_attachment = 0
|
||||
WHERE ' . $db->sql_in_set('msg_id', $message_ids);
|
||||
$db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
|
||||
// Now update the topics. This is a bit trickier, because there could be posts still having attachments within the topic
|
||||
if (sizeof($topic_ids))
|
||||
{
|
||||
// Just check which topics are still having an assigned attachment not orphaned by querying the attachments table (much less entries expected)
|
||||
$sql = 'SELECT topic_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $db->sql_in_set('topic_id', $topic_ids) . '
|
||||
AND is_orphan = 0';
|
||||
$result = $db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['topic_id'];
|
||||
}
|
||||
$db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$topic_ids = array_diff($topic_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($topic_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . TOPICS_TABLE . '
|
||||
SET topic_attachment = 0
|
||||
WHERE ' . $db->sql_in_set('topic_id', $topic_ids);
|
||||
$db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
$num_deleted = $attachment_delete->delete($mode, $ids, $resync);
|
||||
|
||||
return $num_deleted;
|
||||
}
|
||||
|
||||
398
phpBB/phpbb/attachment/delete.php
Normal file
398
phpBB/phpbb/attachment/delete.php
Normal file
@ -0,0 +1,398 @@
|
||||
<?php
|
||||
/**
|
||||
*
|
||||
* This file is part of the phpBB Forum Software package.
|
||||
*
|
||||
* @copyright (c) phpBB Limited <https://www.phpbb.com>
|
||||
* @license GNU General Public License, version 2 (GPL-2.0)
|
||||
*
|
||||
* For full copyright and license information, please see
|
||||
* the docs/CREDITS.txt file.
|
||||
*
|
||||
*/
|
||||
|
||||
namespace phpbb\attachment;
|
||||
|
||||
use \phpbb\config\config;
|
||||
use \phpbb\db\driver\driver_interface;
|
||||
use \phpbb\event\dispatcher;
|
||||
|
||||
/**
|
||||
* Attachment delete class
|
||||
*/
|
||||
|
||||
class delete
|
||||
{
|
||||
/** @var \phpbb\config\config */
|
||||
protected $config;
|
||||
|
||||
/** @var \phpbb\db\driver\driver_interface */
|
||||
protected $db;
|
||||
|
||||
/** @var \phpbb\event\dispatcher */
|
||||
protected $dispatcher;
|
||||
|
||||
/** @var array Attachement IDs */
|
||||
protected $ids;
|
||||
|
||||
/**
|
||||
* Attachment delete class constructor
|
||||
*
|
||||
* @param config $config
|
||||
* @param driver_interface $db
|
||||
* @param dispatcher>>>>>>> 85b6020... [ticket/14168] Move function for attachment deletion into class
|
||||
*/
|
||||
public function __construct(config $config, driver_interface $db, dispatcher $dispatcher)
|
||||
{
|
||||
$this->config = $config;
|
||||
$this->db = $db;
|
||||
$this->dispatcher = $dispatcher;
|
||||
}
|
||||
|
||||
/**
|
||||
* Delete Attachments
|
||||
*
|
||||
* @param string $mode can be: post|message|topic|attach|user
|
||||
* @param mixed $ids can be: post_ids, message_ids, topic_ids, attach_ids, user_ids
|
||||
* @param bool $resync set this to false if you are deleting posts or topics
|
||||
*
|
||||
* @return int|bool Number of deleted attachments or false if something
|
||||
* went wrong during attachment deletion
|
||||
*/
|
||||
function delete($mode, $ids, $resync = true)
|
||||
{
|
||||
if (!$this->set_attachment_ids($ids))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
$sql_where = '';
|
||||
|
||||
switch ($mode)
|
||||
{
|
||||
case 'post':
|
||||
case 'message':
|
||||
$sql_id = 'post_msg_id';
|
||||
$sql_where = ' AND in_message = ' . ($mode == 'message' ? 1 : 0);
|
||||
break;
|
||||
|
||||
case 'topic':
|
||||
$sql_id = 'topic_id';
|
||||
break;
|
||||
|
||||
case 'user':
|
||||
$sql_id = 'poster_id';
|
||||
break;
|
||||
|
||||
case 'attach':
|
||||
default:
|
||||
$sql_id = 'attach_id';
|
||||
break;
|
||||
}
|
||||
|
||||
$post_ids = $message_ids = $topic_ids = $physical = array();
|
||||
|
||||
/**
|
||||
* Perform additional actions before collecting data for attachment(s) deletion
|
||||
*
|
||||
* @event core.delete_attachments_collect_data_before
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
);
|
||||
extract($this->dispatcher->trigger_event('core.delete_attachments_collect_data_before', compact($vars)));
|
||||
|
||||
// Collect post and topic ids for later use if we need to touch remaining entries (if resync is enabled)
|
||||
$sql = 'SELECT post_msg_id, topic_id, in_message, physical_filename, thumbnail, filesize, is_orphan
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $this->db->sql_in_set($sql_id, $ids);
|
||||
|
||||
$sql .= $sql_where;
|
||||
|
||||
$result = $this->db->sql_query($sql);
|
||||
|
||||
while ($row = $this->db->sql_fetchrow($result))
|
||||
{
|
||||
// We only need to store post/message/topic ids if resync is enabled and the file is not orphaned
|
||||
if ($resync && !$row['is_orphan'])
|
||||
{
|
||||
if (!$row['in_message'])
|
||||
{
|
||||
$post_ids[] = $row['post_msg_id'];
|
||||
$topic_ids[] = $row['topic_id'];
|
||||
}
|
||||
else
|
||||
{
|
||||
$message_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
}
|
||||
|
||||
$physical[] = array('filename' => $row['physical_filename'], 'thumbnail' => $row['thumbnail'], 'filesize' => $row['filesize'], 'is_orphan' => $row['is_orphan']);
|
||||
}
|
||||
$this->db->sql_freeresult($result);
|
||||
|
||||
/**
|
||||
* Perform additional actions before attachment(s) deletion
|
||||
*
|
||||
* @event core.delete_attachments_before
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
);
|
||||
extract($this->dispatcher->trigger_event('core.delete_attachments_before', compact($vars)));
|
||||
|
||||
// Delete attachments
|
||||
$sql = 'DELETE FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $this->db->sql_in_set($sql_id, $ids);
|
||||
|
||||
$sql .= $sql_where;
|
||||
|
||||
$this->db->sql_query($sql);
|
||||
$num_deleted = $this->db->sql_affectedrows();
|
||||
|
||||
/**
|
||||
* Perform additional actions after attachment(s) deletion from the database
|
||||
*
|
||||
* @event core.delete_attachments_from_database_after
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @var int num_deleted The number of deleted attachment(s) from the database
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
'num_deleted',
|
||||
);
|
||||
extract($this->dispatcher->trigger_event('core.delete_attachments_from_database_after', compact($vars)));
|
||||
|
||||
if (!$num_deleted)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Delete attachments from filesystem
|
||||
$space_removed = $files_removed = 0;
|
||||
foreach ($physical as $file_ary)
|
||||
{
|
||||
if (phpbb_unlink($file_ary['filename'], 'file', true) && !$file_ary['is_orphan'])
|
||||
{
|
||||
// Only non-orphaned files count to the file size
|
||||
$space_removed += $file_ary['filesize'];
|
||||
$files_removed++;
|
||||
}
|
||||
|
||||
if ($file_ary['thumbnail'])
|
||||
{
|
||||
phpbb_unlink($file_ary['filename'], 'thumbnail', true);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Perform additional actions after attachment(s) deletion from the filesystem
|
||||
*
|
||||
* @event core.delete_attachments_from_filesystem_after
|
||||
* @var string mode Variable containing attachments deletion mode, can be: post|message|topic|attach|user
|
||||
* @var mixed ids Array or comma separated list of ids corresponding to the mode
|
||||
* @var bool resync Flag indicating if posts/messages/topics should be synchronized
|
||||
* @var string sql_id The field name to collect/delete data for depending on the mode
|
||||
* @var array post_ids Array with post ids for deleted attachment(s)
|
||||
* @var array topic_ids Array with topic ids for deleted attachment(s)
|
||||
* @var array message_ids Array with private message ids for deleted attachment(s)
|
||||
* @var array physical Array with deleted attachment(s) physical file(s) data
|
||||
* @var int num_deleted The number of deleted attachment(s) from the database
|
||||
* @var int space_removed The size of deleted files(s) from the filesystem
|
||||
* @var int files_removed The number of deleted file(s) from the filesystem
|
||||
* @since 3.1.7-RC1
|
||||
*/
|
||||
$vars = array(
|
||||
'mode',
|
||||
'ids',
|
||||
'resync',
|
||||
'sql_id',
|
||||
'post_ids',
|
||||
'topic_ids',
|
||||
'message_ids',
|
||||
'physical',
|
||||
'num_deleted',
|
||||
'space_removed',
|
||||
'files_removed',
|
||||
);
|
||||
extract($this->dispatcher->trigger_event('core.delete_attachments_from_filesystem_after', compact($vars)));
|
||||
|
||||
if ($space_removed || $files_removed)
|
||||
{
|
||||
$this->config->increment('upload_dir_size', $space_removed * (-1), false);
|
||||
$this->config->increment('num_files', $files_removed * (-1), false);
|
||||
}
|
||||
|
||||
// If we do not resync, we do not need to adjust any message, post, topic or user entries
|
||||
if (!$resync)
|
||||
{
|
||||
return $num_deleted;
|
||||
}
|
||||
|
||||
// No more use for the original ids
|
||||
unset($ids);
|
||||
|
||||
// Now, we need to resync posts, messages, topics. We go through every one of them
|
||||
$post_ids = array_unique($post_ids);
|
||||
$message_ids = array_unique($message_ids);
|
||||
$topic_ids = array_unique($topic_ids);
|
||||
|
||||
// Update post indicators for posts now no longer having attachments
|
||||
if (sizeof($post_ids))
|
||||
{
|
||||
// Just check which posts are still having an assigned attachment not orphaned by querying the attachments table
|
||||
$sql = 'SELECT post_msg_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $this->db->sql_in_set('post_msg_id', $post_ids) . '
|
||||
AND in_message = 0
|
||||
AND is_orphan = 0';
|
||||
$result = $this->db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $this->db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
$this->db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$post_ids = array_diff($post_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($post_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . POSTS_TABLE . '
|
||||
SET post_attachment = 0
|
||||
WHERE ' . $this->db->sql_in_set('post_id', $post_ids);
|
||||
$this->db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
|
||||
// Update message table if messages are affected
|
||||
if (sizeof($message_ids))
|
||||
{
|
||||
// Just check which messages are still having an assigned attachment not orphaned by querying the attachments table
|
||||
$sql = 'SELECT post_msg_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $this->db->sql_in_set('post_msg_id', $message_ids) . '
|
||||
AND in_message = 1
|
||||
AND is_orphan = 0';
|
||||
$result = $this->db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $this->db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['post_msg_id'];
|
||||
}
|
||||
$this->db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$message_ids = array_diff($message_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($message_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . PRIVMSGS_TABLE . '
|
||||
SET message_attachment = 0
|
||||
WHERE ' . $this->db->sql_in_set('msg_id', $message_ids);
|
||||
$this->db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
|
||||
// Now update the topics. This is a bit trickier, because there could be posts still having attachments within the topic
|
||||
if (sizeof($topic_ids))
|
||||
{
|
||||
// Just check which topics are still having an assigned attachment not orphaned by querying the attachments table (much less entries expected)
|
||||
$sql = 'SELECT topic_id
|
||||
FROM ' . ATTACHMENTS_TABLE . '
|
||||
WHERE ' . $this->db->sql_in_set('topic_id', $topic_ids) . '
|
||||
AND is_orphan = 0';
|
||||
$result = $this->db->sql_query($sql);
|
||||
|
||||
$remaining_ids = array();
|
||||
while ($row = $this->db->sql_fetchrow($result))
|
||||
{
|
||||
$remaining_ids[] = $row['topic_id'];
|
||||
}
|
||||
$this->db->sql_freeresult($result);
|
||||
|
||||
// Now only unset those ids remaining
|
||||
$topic_ids = array_diff($topic_ids, $remaining_ids);
|
||||
|
||||
if (sizeof($topic_ids))
|
||||
{
|
||||
$sql = 'UPDATE ' . TOPICS_TABLE . '
|
||||
SET topic_attachment = 0
|
||||
WHERE ' . $this->db->sql_in_set('topic_id', $topic_ids);
|
||||
$this->db->sql_query($sql);
|
||||
}
|
||||
}
|
||||
|
||||
return $num_deleted;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set attachment IDs
|
||||
*
|
||||
* @param array $ids
|
||||
*
|
||||
* @return bool True if attachment IDs were set, false if not
|
||||
*/
|
||||
protected function set_attachment_ids($ids)
|
||||
{
|
||||
// 0 is as bad as an empty array
|
||||
if (empty($ids))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if (is_array($ids))
|
||||
{
|
||||
$ids = array_unique($ids);
|
||||
$this->ids = array_map('intval', $ids);
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->ids = array((int) $ids);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user