/**
* Clears thread cache.
*
* @param string $mailbox Folder name
*/
function remove_thread($mailbox = null)
{
$this->db->query("DELETE FROM {$this->thread_table}" . " WHERE `user_id` = ?" . (strlen($mailbox) ? " AND `mailbox` = " . $this->db->quote($mailbox) : ""), $this->userid);
if (strlen($mailbox)) {
unset($this->icache[$mailbox]['thread']);
// Thread data removed, set flag to skip SELECT query in get_thread()
$this->icache[$mailbox]['thread_queried'] = true;
} else {
$this->icache = array();
}
}
/**
* Create a contact group with the given name
*
* @param string The group name
* @return mixed False on error, array with record props in success
*/
function create_group($name)
{
$result = false;
// make sure we have a unique name
$name = $this->unique_groupname($name);
$this->db->query("INSERT INTO " . $this->db->table_name($this->db_groups) . " (user_id, changed, name)" . " VALUES (" . intval($this->user_id) . ", " . $this->db->now() . ", " . $this->db->quote($name) . ")");
if ($insert_id = $this->db->insert_id($this->db_groups)) {
$result = array('id' => $insert_id, 'name' => $name);
}
return $result;
}
/**
* Deletes the cache record(s).
*
* @param string $key Cache key name or pattern
* @param boolean $prefix_mode Enable it to clear all keys starting
* with prefix specified in $key
*/
private function remove_record($key = null, $prefix_mode = false)
{
if (!$this->db) {
return;
}
if ($this->type != 'db') {
$this->load_index();
// Remove all keys
if ($key === null) {
foreach ($this->index as $key) {
$this->delete_record($this->ckey($key));
}
$this->index = array();
} else {
if ($prefix_mode) {
foreach ($this->index as $idx => $k) {
if (strpos($k, $key) === 0) {
$this->delete_record($this->ckey($k));
unset($this->index[$idx]);
}
}
} else {
$this->delete_record($this->ckey($key));
if (($idx = array_search($key, $this->index)) !== false) {
unset($this->index[$idx]);
}
}
}
$this->index_changed = true;
return;
}
// Remove all keys (in specified cache)
if ($key === null) {
$where = " WHERE `cache_key` LIKE " . $this->db->quote($this->prefix . '.%');
} else {
if ($prefix_mode) {
$where = " WHERE `cache_key` LIKE " . $this->db->quote($this->prefix . '.' . $key . '%');
} else {
$where = " WHERE `cache_key` = " . $this->db->quote($this->prefix . '.' . $key);
}
}
$this->db->query("DELETE FROM " . $this->table . $where);
}
/**
* Deletes the cache record(s).
*
* @param string $key Cache key name or pattern
* @param boolean $prefix_mode Enable it to clear all keys starting
* with prefix specified in $key
*/
private function remove_record($key = null, $prefix_mode = false)
{
if (!$this->db) {
return;
}
if ($this->type != 'db') {
$this->load_index();
// Remove all keys
if ($key === null) {
foreach ($this->index as $key) {
$this->delete_record($key, false);
}
$this->index = array();
} else {
if ($prefix_mode) {
foreach ($this->index as $k) {
if (strpos($k, $key) === 0) {
$this->delete_record($k);
}
}
} else {
$this->delete_record($key);
}
}
return;
}
// Remove all keys (in specified cache)
if ($key === null) {
$where = " AND cache_key LIKE " . $this->db->quote($this->prefix . '.%');
} else {
if ($prefix_mode) {
$where = " AND cache_key LIKE " . $this->db->quote($this->prefix . '.' . $key . '%');
} else {
$where = " AND cache_key = " . $this->db->quote($this->prefix . '.' . $key);
}
}
$this->db->query("DELETE FROM " . $this->table . " WHERE user_id = ?" . $where, $this->userid);
}
