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<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_contacts.php |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2006-2011, The Roundcube Dev Team |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Interface to the local address book database |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id: rcube_contacts.php 5873 2012-02-11 13:50:04Z thomasb $
*/
/**
* Model class for the local address book database
*
* @package Addressbook
*/
class rcube_contacts extends rcube_addressbook
{
// protected for backward compat. with some plugins
protected $db_name = 'contacts';
protected $db_groups = 'contactgroups';
protected $db_groupmembers = 'contactgroupmembers';
/**
* Store database connection.
*
* @var rcube_mdb2
*/
private $db = null;
private $user_id = 0;
private $filter = null;
private $result = null;
private $cache;
private $table_cols = array('name', 'email', 'firstname', 'surname');
private $fulltext_cols = array('name', 'firstname', 'surname', 'middlename', 'nickname',
'jobtitle', 'organization', 'department', 'maidenname', 'email', 'phone',
'address', 'street', 'locality', 'zipcode', 'region', 'country', 'website', 'im', 'notes');
// public properties
public $primary_key = 'contact_id';
public $name;
public $readonly = false;
public $groups = true;
public $undelete = true;
public $list_page = 1;
public $page_size = 10;
public $group_id = 0;
public $ready = false;
public $coltypes = array('name', 'firstname', 'surname', 'middlename', 'prefix', 'suffix', 'nickname',
'jobtitle', 'organization', 'department', 'assistant', 'manager',
'gender', 'maidenname', 'spouse', 'email', 'phone', 'address',
'birthday', 'anniversary', 'website', 'im', 'notes', 'photo');
const SEPARATOR = ',';
/**
* Object constructor
*
* @param object Instance of the rcube_db class
* @param integer User-ID
*/
function __construct($dbconn, $user)
{
$this->db = $dbconn;
$this->user_id = $user;
$this->ready = $this->db && !$this->db->is_error();
}
/**
* Returns addressbook name
*/
function get_name()
{
return $this->name;
}
/**
* Save a search string for future listings
*
* @param string SQL params to use in listing method
*/
function set_search_set($filter)
{
$this->filter = $filter;
$this->cache = null;
}
/**
* Getter for saved search properties
*
* @return mixed Search properties used by this class
*/
function get_search_set()
{
return $this->filter;
}
/**
* Setter for the current group
* (empty, has to be re-implemented by extending class)
*/
function set_group($gid)
{
$this->group_id = $gid;
$this->cache = null;
}
/**
* Reset all saved results and search parameters
*/
function reset()
{
$this->result = null;
$this->filter = null;
$this->cache = null;
}
/**
* List all active contact groups of this source
*
* @param string Search string to match group name
* @return array Indexed list of contact groups, each a hash array
*/
function list_groups($search = null)
{
$results = array();
if (!$this->groups)
return $results;
$sql_filter = $search ? " AND " . $this->db->ilike('name', '%'.$search.'%') : '';
$sql_result = $this->db->query(
"SELECT * FROM ".get_table_name($this->db_groups).
" WHERE del<>1".
" AND user_id=?".
$sql_filter.
" ORDER BY name",
$this->user_id);
while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$sql_arr['ID'] = $sql_arr['contactgroup_id'];
$results[] = $sql_arr;
}
return $results;
}
/**
* Get group properties such as name and email address(es)
*
* @param string Group identifier
* @return array Group properties as hash array
*/
function get_group($group_id)
{
$sql_result = $this->db->query(
"SELECT * FROM ".get_table_name($this->db_groups).
" WHERE del<>1".
" AND contactgroup_id=?".
" AND user_id=?",
$group_id, $this->user_id);
if ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$sql_arr['ID'] = $sql_arr['contactgroup_id'];
return $sql_arr;
}
return null;
}
/**
* List the current set of contact records
*
* @param array List of cols to show, Null means all
* @param int Only return this number of records, use negative values for tail
* @param boolean True to skip the count query (select only)
* @return array Indexed list of contact records, each a hash array
*/
function list_records($cols=null, $subset=0, $nocount=false)
{
if ($nocount || $this->list_page <= 1) {
// create dummy result, we don't need a count now
$this->result = new rcube_result_set();
} else {
// count all records
$this->result = $this->count();
}
$start_row = $subset < 0 ? $this->result->first + $this->page_size + $subset : $this->result->first;
$length = $subset != 0 ? abs($subset) : $this->page_size;
if ($this->group_id)
$join = " LEFT JOIN ".get_table_name($this->db_groupmembers)." AS m".
" ON (m.contact_id = c.".$this->primary_key.")";
$order_col = (in_array($this->sort_col, $this->table_cols) ? $this->sort_col : 'name');
$order_cols = array('c.'.$order_col);
if ($order_col == 'firstname')
$order_cols[] = 'c.surname';
else if ($order_col == 'surname')
$order_cols[] = 'c.firstname';
if ($order_col != 'name')
$order_cols[] = 'c.name';
$order_cols[] = 'c.email';
$sql_result = $this->db->limitquery(
"SELECT * FROM ".get_table_name($this->db_name)." AS c" .
$join .
" WHERE c.del<>1" .
" AND c.user_id=?" .
($this->group_id ? " AND m.contactgroup_id=?" : "").
($this->filter ? " AND (".$this->filter.")" : "") .
" ORDER BY ". $this->db->concat($order_cols) .
" " . $this->sort_order,
$start_row,
$length,
$this->user_id,
$this->group_id);
// determine whether we have to parse the vcard or if only db cols are requested
$read_vcard = !$cols || count(array_intersect($cols, $this->table_cols)) < count($cols);
while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$sql_arr['ID'] = $sql_arr[$this->primary_key];
if ($read_vcard)
$sql_arr = $this->convert_db_data($sql_arr);
else {
$sql_arr['email'] = explode(self::SEPARATOR, $sql_arr['email']);
$sql_arr['email'] = array_map('trim', $sql_arr['email']);
}
$this->result->add($sql_arr);
}
$cnt = count($this->result->records);
// update counter
if ($nocount)
$this->result->count = $cnt;
else if ($this->list_page <= 1) {
if ($cnt < $this->page_size && $subset == 0)
$this->result->count = $cnt;
else if (isset($this->cache['count']))
$this->result->count = $this->cache['count'];
else
$this->result->count = $this->_count();
}
return $this->result;
}
/**
* Search contacts
*
* @param mixed $fields The field name of array of field names to search in
* @param mixed $value Search value (or array of values when $fields is array)
* @param int $mode Matching mode:
* 0 - partial (*abc*),
* 1 - strict (=),
* 2 - prefix (abc*)
* @param boolean $select True if results are requested, False if count only
* @param boolean $nocount True to skip the count query (select only)
* @param array $required List of fields that cannot be empty
*
* @return object rcube_result_set Contact records and 'count' value
*/
function search($fields, $value, $mode=0, $select=true, $nocount=false, $required=array())
{
if (!is_array($fields))
$fields = array($fields);
if (!is_array($required) && !empty($required))
$required = array($required);
$where = $and_where = array();
$mode = intval($mode);
$WS = ' ';
$AS = self::SEPARATOR;
foreach ($fields as $idx => $col) {
// direct ID search
if ($col == 'ID' || $col == $this->primary_key) {
$ids = !is_array($value) ? explode(self::SEPARATOR, $value) : $value;
$ids = $this->db->array2list($ids, 'integer');
$where[] = 'c.' . $this->primary_key.' IN ('.$ids.')';
continue;
}
// fulltext search in all fields
else if ($col == '*') {
$words = array();
foreach (explode($WS, self::normalize_string($value)) as $word) {
switch ($mode) {
case 1: // strict
$words[] = '(' . $this->db->ilike('words', $word . '%')
. ' OR ' . $this->db->ilike('words', '%' . $WS . $word . $WS . '%')
. ' OR ' . $this->db->ilike('words', '%' . $WS . $word) . ')';
break;
case 2: // prefix
$words[] = '(' . $this->db->ilike('words', $word . '%')
. ' OR ' . $this->db->ilike('words', '%' . $WS . $word . '%') . ')';
break;
default: // partial
$words[] = $this->db->ilike('words', '%' . $word . '%');
}
}
$where[] = '(' . join(' AND ', $words) . ')';
}
else {
$val = is_array($value) ? $value[$idx] : $value;
// table column
if (in_array($col, $this->table_cols)) {
switch ($mode) {
case 1: // strict
$where[] = '(' . $this->db->quoteIdentifier($col) . ' = ' . $this->db->quote($val)
. ' OR ' . $this->db->ilike($col, $val . $AS . '%')
. ' OR ' . $this->db->ilike($col, '%' . $AS . $val . $AS . '%')
. ' OR ' . $this->db->ilike($col, '%' . $AS . $val) . ')';
break;
case 2: // prefix
$where[] = '(' . $this->db->ilike($col, $val . '%')
. ' OR ' . $this->db->ilike($col, $AS . $val . '%') . ')';
break;
default: // partial
$where[] = $this->db->ilike($col, '%' . $val . '%');
}
}
// vCard field
else {
if (in_array($col, $this->fulltext_cols)) {
foreach (explode(" ", self::normalize_string($val)) as $word) {
switch ($mode) {
case 1: // strict
$words[] = '(' . $this->db->ilike('words', $word . $WS . '%')
. ' OR ' . $this->db->ilike('words', '%' . $AS . $word . $WS .'%')
. ' OR ' . $this->db->ilike('words', '%' . $AS . $word) . ')';
break;
case 2: // prefix
$words[] = '(' . $this->db->ilike('words', $word . '%')
. ' OR ' . $this->db->ilike('words', $AS . $word . '%') . ')';
break;
default: // partial
$words[] = $this->db->ilike('words', '%' . $word . '%');
}
}
$where[] = '(' . join(' AND ', $words) . ')';
}
if (is_array($value))
$post_search[$col] = mb_strtolower($val);
}
}
}
foreach (array_intersect($required, $this->table_cols) as $col) {
$and_where[] = $this->db->quoteIdentifier($col).' <> '.$this->db->quote('');
}
if (!empty($where)) {
// use AND operator for advanced searches
$where = join(is_array($value) ? ' AND ' : ' OR ', $where);
}
if (!empty($and_where))
$where = ($where ? "($where) AND " : '') . join(' AND ', $and_where);
// Post-searching in vCard data fields
// we will search in all records and then build a where clause for their IDs
if (!empty($post_search)) {
$ids = array(0);
// build key name regexp
$regexp = '/^(' . implode(array_keys($post_search), '|') . ')(?:.*)$/';
// use initial WHERE clause, to limit records number if possible
if (!empty($where))
$this->set_search_set($where);
// count result pages
$cnt = $this->count();
$pages = ceil($cnt / $this->page_size);
$scnt = count($post_search);
// get (paged) result
for ($i=0; $i<$pages; $i++) {
$this->list_records(null, $i, true);
while ($row = $this->result->next()) {
$id = $row[$this->primary_key];
$found = array();
foreach (preg_grep($regexp, array_keys($row)) as $col) {
$pos = strpos($col, ':');
$colname = $pos ? substr($col, 0, $pos) : $col;
$search = $post_search[$colname];
foreach ((array)$row[$col] as $value) {
// composite field, e.g. address
foreach ((array)$value as $val) {
$val = mb_strtolower($val);
switch ($mode) {
case 1:
$got = ($val == $search);
break;
case 2:
$got = ($search == substr($val, 0, strlen($search)));
break;
default:
$got = (strpos($val, $search) !== false);
break;
}
if ($got) {
$found[$colname] = true;
break 2;
}
}
}
}
// all fields match
if (count($found) >= $scnt) {
$ids[] = $id;
}
}
}
// build WHERE clause
$ids = $this->db->array2list($ids, 'integer');
$where = 'c.' . $this->primary_key.' IN ('.$ids.')';
// reset counter
unset($this->cache['count']);
// when we know we have an empty result
if ($ids == '0') {
$this->set_search_set($where);
return ($this->result = new rcube_result_set(0, 0));
}
}
if (!empty($where)) {
$this->set_search_set($where);
if ($select)
$this->list_records(null, 0, $nocount);
else
$this->result = $this->count();
}
return $this->result;
}
/**
* Count number of available contacts in database
*
* @return rcube_result_set Result object
*/
function count()
{
$count = isset($this->cache['count']) ? $this->cache['count'] : $this->_count();
return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
}
/**
* Count number of available contacts in database
*
* @return int Contacts count
*/
private function _count()
{
if ($this->group_id)
$join = " LEFT JOIN ".get_table_name($this->db_groupmembers)." AS m".
" ON (m.contact_id=c.".$this->primary_key.")";
// count contacts for this user
$sql_result = $this->db->query(
"SELECT COUNT(c.contact_id) AS rows".
" FROM ".get_table_name($this->db_name)." AS c".
$join.
" WHERE c.del<>1".
" AND c.user_id=?".
($this->group_id ? " AND m.contactgroup_id=?" : "").
($this->filter ? " AND (".$this->filter.")" : ""),
$this->user_id,
$this->group_id
);
$sql_arr = $this->db->fetch_assoc($sql_result);
$this->cache['count'] = (int) $sql_arr['rows'];
return $this->cache['count'];
}
/**
* Return the last result set
*
* @return mixed Result array or NULL if nothing selected yet
*/
function get_result()
{
return $this->result;
}
/**
* Get a specific contact record
*
* @param mixed record identifier(s)
* @return mixed Result object with all record fields or False if not found
*/
function get_record($id, $assoc=false)
{
// return cached result
if ($this->result && ($first = $this->result->first()) && $first[$this->primary_key] == $id)
return $assoc ? $first : $this->result;
$this->db->query(
"SELECT * FROM ".get_table_name($this->db_name).
" WHERE contact_id=?".
" AND user_id=?".
" AND del<>1",
$id,
$this->user_id
);
if ($sql_arr = $this->db->fetch_assoc()) {
$record = $this->convert_db_data($sql_arr);
$this->result = new rcube_result_set(1);
$this->result->add($record);
}
return $assoc && $record ? $record : $this->result;
}
/**
* Get group assignments of a specific contact record
*
* @param mixed Record identifier
* @return array List of assigned groups as ID=>Name pairs
*/
function get_record_groups($id)
{
$results = array();
if (!$this->groups)
return $results;
$sql_result = $this->db->query(
"SELECT cgm.contactgroup_id, cg.name FROM " . get_table_name($this->db_groupmembers) . " AS cgm" .
" LEFT JOIN " . get_table_name($this->db_groups) . " AS cg ON (cgm.contactgroup_id = cg.contactgroup_id AND cg.del<>1)" .
" WHERE cgm.contact_id=?",
$id
);
while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$results[$sql_arr['contactgroup_id']] = $sql_arr['name'];
}
return $results;
}
/**
* Check the given data before saving.
* If input not valid, the message to display can be fetched using get_error()
*
* @param array Assoziative array with data to save
* @param boolean Try to fix/complete record automatically
* @return boolean True if input is valid, False if not.
*/
public function validate(&$save_data, $autofix = false)
{
// validate e-mail addresses
$valid = parent::validate($save_data, $autofix);
// require at least one e-mail address (syntax check is already done)
if ($valid && !array_filter($this->get_col_values('email', $save_data, true))) {
$this->set_error(self::ERROR_VALIDATE, 'noemailwarning');
$valid = false;
}
return $valid;
}
/**
* Create a new contact record
*
* @param array Associative array with save data
* @return integer|boolean The created record ID on success, False on error
*/
function insert($save_data, $check=false)
{
if (!is_array($save_data))
return false;
$insert_id = $existing = false;
if ($check) {
foreach ($save_data as $col => $values) {
if (strpos($col, 'email') === 0) {
foreach ((array)$values as $email) {
if ($existing = $this->search('email', $email, false, false))
break 2;
}
}
}
}
$save_data = $this->convert_save_data($save_data);
$a_insert_cols = $a_insert_values = array();
foreach ($save_data as $col => $value) {
$a_insert_cols[] = $this->db->quoteIdentifier($col);
$a_insert_values[] = $this->db->quote($value);
}
if (!$existing->count && !empty($a_insert_cols)) {
$this->db->query(
"INSERT INTO ".get_table_name($this->db_name).
" (user_id, changed, del, ".join(', ', $a_insert_cols).")".
" VALUES (".intval($this->user_id).", ".$this->db->now().", 0, ".join(', ', $a_insert_values).")"
);
$insert_id = $this->db->insert_id($this->db_name);
}
// also add the newly created contact to the active group
if ($insert_id && $this->group_id)
$this->add_to_group($this->group_id, $insert_id);
$this->cache = null;
return $insert_id;
}
/**
* Update a specific contact record
*
* @param mixed Record identifier
* @param array Assoziative array with save data
* @return boolean True on success, False on error
*/
function update($id, $save_cols)
{
$updated = false;
$write_sql = array();
$record = $this->get_record($id, true);
$save_cols = $this->convert_save_data($save_cols, $record);
foreach ($save_cols as $col => $value) {
$write_sql[] = sprintf("%s=%s", $this->db->quoteIdentifier($col), $this->db->quote($value));
}
if (!empty($write_sql)) {
$this->db->query(
"UPDATE ".get_table_name($this->db_name).
" SET changed=".$this->db->now().", ".join(', ', $write_sql).
" WHERE contact_id=?".
" AND user_id=?".
" AND del<>1",
$id,
$this->user_id
);
$updated = $this->db->affected_rows();
$this->result = null; // clear current result (from get_record())
}
return $updated;
}
private function convert_db_data($sql_arr)
{
$record = array();
$record['ID'] = $sql_arr[$this->primary_key];
if ($sql_arr['vcard']) {
unset($sql_arr['email']);
$vcard = new rcube_vcard($sql_arr['vcard']);
$record += $vcard->get_assoc() + $sql_arr;
}
else {
$record += $sql_arr;
$record['email'] = explode(self::SEPARATOR, $record['email']);
$record['email'] = array_map('trim', $record['email']);
}
return $record;
}
private function convert_save_data($save_data, $record = array())
{
$out = array();
$words = '';
// copy values into vcard object
$vcard = new rcube_vcard($record['vcard'] ? $record['vcard'] : $save_data['vcard']);
$vcard->reset();
foreach ($save_data as $key => $values) {
list($field, $section) = explode(':', $key);
$fulltext = in_array($field, $this->fulltext_cols);
foreach ((array)$values as $value) {
if (isset($value))
$vcard->set($field, $value, $section);
if ($fulltext && is_array($value))
$words .= ' ' . self::normalize_string(join(" ", $value));
else if ($fulltext && strlen($value) >= 3)
$words .= ' ' . self::normalize_string($value);
}
}
$out['vcard'] = $vcard->export(false);
foreach ($this->table_cols as $col) {
$key = $col;
if (!isset($save_data[$key]))
$key .= ':home';
if (isset($save_data[$key])) {
if (is_array($save_data[$key]))
$out[$col] = join(self::SEPARATOR, $save_data[$key]);
else
$out[$col] = $save_data[$key];
}
}
// save all e-mails in database column
$out['email'] = join(self::SEPARATOR, $vcard->email);
// join words for fulltext search
$out['words'] = join(" ", array_unique(explode(" ", $words)));
return $out;
}
/**
* Mark one or more contact records as deleted
*
* @param array Record identifiers
* @param boolean Remove record(s) irreversible (unsupported)
*/
function delete($ids, $force=true)
{
if (!is_array($ids))
$ids = explode(self::SEPARATOR, $ids);
$ids = $this->db->array2list($ids, 'integer');
// flag record as deleted (always)
$this->db->query(
"UPDATE ".get_table_name($this->db_name).
" SET del=1, changed=".$this->db->now().
" WHERE user_id=?".
" AND contact_id IN ($ids)",
$this->user_id
);
$this->cache = null;
return $this->db->affected_rows();
}
/**
* Undelete one or more contact records
*
* @param array Record identifiers
*/
function undelete($ids)
{
if (!is_array($ids))
$ids = explode(self::SEPARATOR, $ids);
$ids = $this->db->array2list($ids, 'integer');
// clear deleted flag
$this->db->query(
"UPDATE ".get_table_name($this->db_name).
" SET del=0, changed=".$this->db->now().
" WHERE user_id=?".
" AND contact_id IN ($ids)",
$this->user_id
);
$this->cache = null;
return $this->db->affected_rows();
}
/**
* Remove all records from the database
*/
function delete_all()
{
$this->cache = null;
$this->db->query("UPDATE ".get_table_name($this->db_name).
" SET del=1, changed=".$this->db->now().
" WHERE user_id = ?", $this->user_id);
return $this->db->affected_rows();
}
/**
* Create a contact group with the given name
*
* @param string The group name
* @return mixed False on error, array with record props in success
*/
function create_group($name)
{
$result = false;
// make sure we have a unique name
$name = $this->unique_groupname($name);
$this->db->query(
"INSERT INTO ".get_table_name($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 $result;
}
/**
* Delete the given group (and all linked group members)
*
* @param string Group identifier
* @return boolean True on success, false if no data was changed
*/
function delete_group($gid)
{
// flag group record as deleted
$sql_result = $this->db->query(
"UPDATE ".get_table_name($this->db_groups).
" SET del=1, changed=".$this->db->now().
" WHERE contactgroup_id=?".
" AND user_id=?",
$gid, $this->user_id
);
$this->cache = null;
return $this->db->affected_rows();
}
/**
* Rename a specific contact group
*
* @param string Group identifier
* @param string New name to set for this group
* @return boolean New name on success, false if no data was changed
*/
function rename_group($gid, $newname)
{
// make sure we have a unique name
$name = $this->unique_groupname($newname);
$sql_result = $this->db->query(
"UPDATE ".get_table_name($this->db_groups).
" SET name=?, changed=".$this->db->now().
" WHERE contactgroup_id=?".
" AND user_id=?",
$name, $gid, $this->user_id
);
return $this->db->affected_rows() ? $name : false;
}
/**
* Add the given contact records the a certain group
*
* @param string Group identifier
* @param array List of contact identifiers to be added
* @return int Number of contacts added
*/
function add_to_group($group_id, $ids)
{
if (!is_array($ids))
$ids = explode(self::SEPARATOR, $ids);
$added = 0;
$exists = array();
// get existing assignments ...
$sql_result = $this->db->query(
"SELECT contact_id FROM ".get_table_name($this->db_groupmembers).
" WHERE contactgroup_id=?".
" AND contact_id IN (".$this->db->array2list($ids, 'integer').")",
$group_id
);
while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$exists[] = $sql_arr['contact_id'];
}
// ... and remove them from the list
$ids = array_diff($ids, $exists);
foreach ($ids as $contact_id) {
$this->db->query(
"INSERT INTO ".get_table_name($this->db_groupmembers).
" (contactgroup_id, contact_id, created)".
" VALUES (?, ?, ".$this->db->now().")",
$group_id,
$contact_id
);
if (!$this->db->db_error)
$added++;
}
return $added;
}
/**
* Remove the given contact records from a certain group
*
* @param string Group identifier
* @param array List of contact identifiers to be removed
* @return int Number of deleted group members
*/
function remove_from_group($group_id, $ids)
{
if (!is_array($ids))
$ids = explode(self::SEPARATOR, $ids);
$ids = $this->db->array2list($ids, 'integer');
$sql_result = $this->db->query(
"DELETE FROM ".get_table_name($this->db_groupmembers).
" WHERE contactgroup_id=?".
" AND contact_id IN ($ids)",
$group_id
);
return $this->db->affected_rows();
}
/**
* Check for existing groups with the same name
*
* @param string Name to check
* @return string A group name which is unique for the current use
*/
private function unique_groupname($name)
{
$checkname = $name;
$num = 2; $hit = false;
do {
$sql_result = $this->db->query(
"SELECT 1 FROM ".get_table_name($this->db_groups).
" WHERE del<>1".
" AND user_id=?".
" AND name=?",
$this->user_id,
$checkname);
// append number to make name unique
if ($hit = $this->db->num_rows($sql_result))
$checkname = $name . ' ' . $num++;
} while ($hit > 0);
return $checkname;
}
}
