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[feature/soft-delete] Correct some mistakes in e8d47

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Notably: Uncomment the die() in create_schema_files, and add the class that makes everything tick.

PHPBB3-9657
This commit is contained in:
Josh Woody 2010-06-18 08:29:53 -05:00 • committed by Joas Schilling
parent b8c55291ed
commit 244f6e2ddc
1 changed files with 137 additions and 0 deletions
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137
phpBB/includes/class_visibility.php Normal file
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<?php
class topic_visibility
{
public function get_visibility_sql($mode, $forum_id, $table_alias = '')
{
global $auth, $db, $user;
$status_ary = array(ITEM_APPROVED);
if ($auth->acl_get('m_approve', $forum_id))
{
$status_ary[] = ITEM_UNAPPROVED;
}
if ($auth->acl_get('m_restore', $forum_id))
{
$status_ary[] = ITEM_DELETED;
}
$clause = $db->sql_in_set($table_alias . $mode . '_visibility', $status_ary);
// only allow the user to view deleted posts he himself made
if ($auth->acl_get('f_restore', $forum_id))
{
$clause = 'AND (' . $clause . "
OR ($table_alias{$mode}_visibility = " . ITEM_DELETED . "
AND {$table_alias}poster_id = " . $user->data['user_id'] . '))';
}
return $clause;
}
public function get_visibility_sql_global($mode, $exclude_forum_ids = array(), $table_alias = '')
{
global $auth, $db, $user;
// users can always see approved posts
$where_sql = "($table_alias{$mode}_visibility = " . ITEM_APPROVED;
// in set notation: {approve_forums} = {m_approve} - {exclude_forums}
$approve_forums = array_diff(array_keys($auth->acl_getf('m_approve', true)), $exclude_forum_ids);
if (sizeof($approve_forums))
{
// users can view unapproved topics in certain forums. specify them.
$where_sql .= " OR ($table_alias{$mode}_visibility = " . ITEM_UNAPPROVED . '
AND ' . $db->sql_in_set($table_alias . 'forum_id', $approve_forums) . ')';
}
// this is exactly the same logic as for approve forums, above
$restore_forums = array_diff(array_keys($auth->acl_getf('m_restore', true)), $exclude_forum_ids);
if (sizeof($restore_forums))
{
$where_sql .= " OR ($table_alias{$mode}_visibility = " . ITEM_DELETED . '
AND ' . $db->sql_in_set($table_alias . 'forum_id', $restore_forums) . ')';
}
// we also allow the user to view deleted posts he himself made
$user_restore_forums = array_diff(array_keys($auth->acl_getf('f_restore', true)), $exclude_forum_ids);
if (sizeof($user_restore_forums))
{
// specify the poster ID, the visibility type, and the forums we're interested in
$where_sql .= " OR ($table_alias{$mode}poster_id = " . $user->data['user_id'] . "
AND $table_alias{$mode}_visibility = " . ITEM_DELETED . "
AND " . $db->sql_in_set($table_alias . 'forum_id', $user_restore_forums) . ')';
}
$where_sql .= ')';
return $where_sql;
}
public function set_topic_visibility($visibility, $topic_id, $forum_id)
{
global $db;
$sql = 'UPDATE ' . TOPICS_TABLE . ' SET topic_visibility = ' . (int) $visibility . '
WHERE topic_id = ' . (int) $topic_id;
$db->sql_query($sql);
if ($visibility != ITEM_APPROVED)
{
$sql = 'SELECT post_id FROM ' . POSTS_TABLE . '
WHERE topic_id = ' . (int) $topic_id;
$result = $db->sql_query($sql);
$status = true;
while ($row = $db->sql_fetchrow($result))
{
$status = min($status, self::set_post_visibility($visibility, false, $topic_id, $forum_id, true, true));
}
}
else
{
// TOOD: figure out which posts we actually care about
$status = self::set_post_visibility($visibility, 0, false, $forum_id, true, true);
}
return $status;
}
public function set_post_visibility($visibility, $post_id, $topic_id, $forum_id, $is_starter, $is_latest)
{
global $db;
if ($post_id)
{
$where_sql = 'post_id = ' . (int) $post_id;
}
else if ($topic_id)
{
$where_sql = 'topic_id = ' . (int) $topic_id;
}
else
{
// throw new MissingArgumentsException(); <-- a nice idea
return false;
}
$sql = 'UPDATE ' . POSTS_TABLE . ' SET post_visibility = ' . (int) $visibility . '
WHERE ' . $where_sql;
$db->sql_query($sql);
if ($is_starter || $is_latest)
{
update_post_information('topic', $topic_id, false);
update_post_information('forum', $forum_id, false);
}
// if we're changing the starter, we need to change the rest of the topic
if ($is_starter && !$is_latest)
{
self::set_topic_visibility($visibility, $topic_id, $forum_id);
}
}
}
?>