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<?php
/**
*
* @package migration
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License v2
*
*/
namespace phpbb\db\migration\data\v310;
class softdelete_p1 extends \phpbb\db\migration\migration
{
public function effectively_installed()
{
return $this->db_tools->sql_column_exists($this->table_prefix . 'posts', 'post_visibility');
}
static public function depends_on()
{
return array('\phpbb\db\migration\data\v310\dev');
}
public function update_schema()
{
return array(
'add_columns' => array(
$this->table_prefix . 'forums' => array(
'forum_posts_approved' => array('UINT', 0),
'forum_posts_unapproved' => array('UINT', 0),
'forum_posts_softdeleted' => array('UINT', 0),
'forum_topics_approved' => array('UINT', 0),
'forum_topics_unapproved' => array('UINT', 0),
'forum_topics_softdeleted' => array('UINT', 0),
),
$this->table_prefix . 'posts' => array(
'post_visibility' => array('TINT:3', 0),
'post_delete_time' => array('TIMESTAMP', 0),
'post_delete_reason' => array('STEXT_UNI', ''),
'post_delete_user' => array('UINT', 0),
),
$this->table_prefix . 'topics' => array(
'topic_visibility' => array('TINT:3', 0),
'topic_delete_time' => array('TIMESTAMP', 0),
'topic_delete_reason' => array('STEXT_UNI', ''),
'topic_delete_user' => array('UINT', 0),
'topic_posts_approved' => array('UINT', 0),
'topic_posts_unapproved' => array('UINT', 0),
'topic_posts_softdeleted' => array('UINT', 0),
),
),
'add_index' => array(
$this->table_prefix . 'posts' => array(
'post_visibility' => array('post_visibility'),
),
$this->table_prefix . 'topics' => array(
'topic_visibility' => array('topic_visibility'),
'forum_vis_last' => array('forum_id', 'topic_visibility', 'topic_last_post_id'),
),
),
);
}
public function revert_schema()
{
return array(
'drop_columns' => array(
$this->table_prefix . 'forums' => array(
'forum_posts_approved',
'forum_posts_unapproved',
'forum_posts_softdeleted',
'forum_topics_approved',
'forum_topics_unapproved',
'forum_topics_softdeleted',
),
$this->table_prefix . 'posts' => array(
'post_visibility',
'post_delete_time',
'post_delete_reason',
'post_delete_user',
),
$this->table_prefix . 'topics' => array(
'topic_visibility',
'topic_delete_time',
'topic_delete_reason',
'topic_delete_user',
'topic_posts_approved',
'topic_posts_unapproved',
'topic_posts_softdeleted',
),
),
'drop_keys' => array(
$this->table_prefix . 'posts' => array('post_visibility'),
$this->table_prefix . 'topics' => array('topic_visibility', 'forum_vis_last'),
),
);
}
public function update_data()
{
return array(
array('custom', array(array($this, 'update_post_visibility'))),
array('custom', array(array($this, 'update_topic_visibility'))),
array('custom', array(array($this, 'update_topics_post_counts'))),
array('custom', array(array($this, 'update_forums_topic_and_post_counts'))),
array('permission.add', array('f_softdelete', false)),
array('permission.add', array('m_softdelete', false)),
);
}
public function update_post_visibility()
{
$sql = 'UPDATE ' . $this->table_prefix . 'posts
SET post_visibility = post_approved';
$this->sql_query($sql);
}
public function update_topic_visibility()
{
$sql = 'UPDATE ' . $this->table_prefix . 'topics
SET topic_visibility = topic_approved';
$this->sql_query($sql);
}
public function update_topics_post_counts()
{
/*
* Using sql_case here to avoid "BIGINT UNSIGNED value is out of range" errors.
* As we update all topics in 2 queries, one broken topic would stop the conversion
* for all topics and the surpressed error will cause the admin to not even notice it.
*/
$sql = 'UPDATE ' . $this->table_prefix . 'topics
SET topic_posts_approved = topic_replies + 1,
topic_posts_unapproved = ' . $this->db->sql_case('topic_replies_real > topic_replies', 'topic_replies_real - topic_replies', '0') . '
WHERE topic_visibility = ' . ITEM_APPROVED;
$this->sql_query($sql);
$sql = 'UPDATE ' . $this->table_prefix . 'topics
SET topic_posts_approved = 0,
topic_posts_unapproved = (' . $this->db->sql_case('topic_replies_real > topic_replies', 'topic_replies_real - topic_replies', '0') . ') + 1
WHERE topic_visibility = ' . ITEM_UNAPPROVED;
$this->sql_query($sql);
}
public function update_forums_topic_and_post_counts($start)
{
$start = (int) $start;
$limit = 10;
$converted_forums = 0;
$sql = 'SELECT forum_id, topic_visibility, COUNT(topic_id) AS sum_topics, SUM(topic_posts_approved) AS sum_posts_approved, SUM(topic_posts_unapproved) AS sum_posts_unapproved
FROM ' . $this->table_prefix . 'topics
GROUP BY forum_id, topic_visibility
ORDER BY forum_id, topic_visibility';
$result = $this->db->sql_query_limit($sql, $limit, $start);
$update_forums = array();
while ($row = $this->db->sql_fetchrow($result))
{
$converted_forums++;
$forum_id = (int) $row['forum_id'];
if (!isset($update_forums[$forum_id]))
{
$update_forums[$forum_id] = array(
'forum_posts_approved' => 0,
'forum_posts_unapproved' => 0,
'forum_topics_approved' => 0,
'forum_topics_unapproved' => 0,
);
}
$update_forums[$forum_id]['forum_posts_approved'] += (int) $row['sum_posts_approved'];
$update_forums[$forum_id]['forum_posts_unapproved'] += (int) $row['sum_posts_unapproved'];
$update_forums[$forum_id][(($row['topic_visibility'] == ITEM_APPROVED) ? 'forum_topics_approved' : 'forum_topics_unapproved')] += (int) $row['sum_topics'];
}
$this->db->sql_freeresult($result);
foreach ($update_forums as $forum_id => $forum_data)
{
$sql = 'UPDATE ' . FORUMS_TABLE . '
SET ' . $this->db->sql_build_array('UPDATE', $forum_data) . '
WHERE forum_id = ' . $forum_id;
$this->sql_query($sql);
}
if ($converted_forums < $limit)
{
// There are no more topics, we are done
return;
}
// There are still more topics to query, return the next start value
return $start + $limit;
}
}
|
