<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_addressbook.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> |
+-----------------------------------------------------------------------+
$Id$
*/
/**
* Abstract skeleton of an address book/repository
*
* @package Addressbook
*/
abstract class rcube_addressbook
{
/** constants for error reporting **/
const ERROR_READ_ONLY = 1;
const ERROR_NO_CONNECTION = 2;
const ERROR_INCOMPLETE = 3;
const ERROR_SAVING = 4;
const ERROR_SEARCH = 5;
/** public properties (mandatory) */
public $primary_key;
public $groups = false;
public $readonly = true;
public $ready = false;
public $group_id = null;
public $list_page = 1;
public $page_size = 10;
public $coltypes = array('name' => array('limit'=>1), 'firstname' => array('limit'=>1), 'surname' => array('limit'=>1), 'email' => array('limit'=>1));
protected $error;
/**
* Save a search string for future listings
*
* @param mixed Search params to use in listing method, obtained by get_search_set()
*/
abstract function set_search_set($filter);
/**
* Getter for saved search properties
*
* @return mixed Search properties used by this class
*/
abstract function get_search_set();
/**
* Reset saved results and search parameters
*/
abstract function reset();
/**
* Refresh saved search set after data has changed
*
* @return mixed New search set
*/
function refresh_search()
{
return $this->get_search_set();
}
/**
* List the current set of contact records
*
* @param array List of cols to show
* @param int Only return this number of records, use negative values for tail
* @return array Indexed list of contact records, each a hash array
*/
abstract function list_records($cols=null, $subset=0);
/**
* Search records
*
* @param array List of fields to search in
* @param string Search value
* @param boolean True if results are requested, False if count only
* @param boolean True to skip the count query (select only)
* @param array List of fields that cannot be empty
* @return object rcube_result_set List of contact records and 'count' value
*/
abstract function search($fields, $value, $strict=false, $select=true, $nocount=false, $required=array());
/**
* Count number of available contacts in database
*
* @return rcube_result_set Result set with values for 'count' and 'first'
*/
abstract function count();
/**
* Return the last result set
*
* @return rcube_result_set Current result set or NULL if nothing selected yet
*/
abstract function get_result();
/**
* Get a specific contact record
*
* @param mixed record identifier(s)
* @param boolean True to return record as associative array, otherwise a result set is returned
*
* @return mixed Result object with all record fields or False if not found
*/
abstract function get_record($id, $assoc=false);
/**
* Returns the last error occured (e.g. when updating/inserting failed)
*
* @return array Hash array with the following fields: type, message
*/
function get_error()
{
return $this->error;
}
/**
* Setter for errors for internal use
*
* @param int Error type (one of this class' error constants)
* @param string Error message (name of a text label)
*/
protected function set_error($type, $message)
{
$this->error = array('type' => $type, 'message' => $message);
}
/**
* Close connection to source
* Called on script shutdown
*/
function close() { }
/**
* Set internal list page
*
* @param number Page number to list
* @access public
*/
function set_page($page)
{
$this->list_page = (int)$page;
}
/**
* Set internal page size
*
* @param number Number of messages to display on one page
* @access public
*/
function set_pagesize($size)
{
$this->page_size = (int)$size;
}
/**
* 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
* @return boolean True if input is valid, False if not.
*/
public function validate($save_data)
{
if (empty($save_data['name'])) {
$this->set_error('warning', 'nonamewarning');
return false;
}
// check validity of email addresses
foreach ($this->get_col_values('email', $save_data, true) as $email) {
if (strlen($email)) {
if (!check_email(rcube_idn_to_ascii($email))) {
$this->set_error('warning', rcube_label(array('name' => 'emailformaterror', 'vars' => array('email' => $email))));
return false;
}
}
}
return true;
}
/**
* Create a new contact record
*
* @param array Assoziative array with save data
* Keys: Field name with optional section in the form FIELD:SECTION
* Values: Field value. Can be either a string or an array of strings for multiple values
* @param boolean True to check for duplicates first
* @return mixed The created record ID on success, False on error
*/
function insert($save_data, $check=false)
{
/* empty for read-only address books */
}
/**
* Create new contact records for every item in the record set
*
* @param object rcube_result_set Recordset to insert
* @param boolean True to check for duplicates first
* @return array List of created record IDs
*/
function insertMultiple($recset, $check=false)
{
$ids = array();
if (is_object($recset) && is_a($recset, rcube_result_set)) {
while ($row = $recset->next()) {
if ($insert = $this->insert($row, $check))
$ids[] = $insert;
}
}
return $ids;
}
/**
* Update a specific contact record
*
* @param mixed Record identifier
* @param array Assoziative array with save data
* Keys: Field name with optional section in the form FIELD:SECTION
* Values: Field value. Can be either a string or an array of strings for multiple values
* @return boolean True on success, False on error
*/
function update($id, $save_cols)
{
/* empty for read-only address books */
}
/**
* Mark one or more contact records as deleted
*
* @param array Record identifiers
*/
function delete($ids)
{
/* empty for read-only address books */
}
/**
* Remove all records from the database
*/
function delete_all()
{
/* empty for read-only address books */
}
/**
* Setter for the current group
* (empty, has to be re-implemented by extending class)
*/
function set_group($gid) { }
/**
* List all active contact groups of this source
*
* @param string Optional search string to match group name
* @return array Indexed list of contact groups, each a hash array
*/
function list_groups($search = null)
{
/* empty for address books don't supporting groups */
return 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($name)
{
/* empty for address books don't supporting groups */
return false;
}
/**
* Delete the given group and all linked group members
*
* @param string Group identifier
* @return boolean True on success, false if no data was changed
*/
function delete_group($gid)
{
/* empty for address books don't supporting groups */
return false;
}
/**
* Rename a specific contact group
*
* @param string Group identifier
* @param string New name to set for this group
* @param string New group identifier (if changed, otherwise don't set)
* @return boolean New name on success, false if no data was changed
*/
function rename_group($gid, $newname, &$newid)
{
/* empty for address books don't supporting groups */
return 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, $ids)
{
/* empty for address books don't supporting groups */
return 0;
}
/**
* Remove the given contact records from a certain group
*
* @param string Group identifier
* @param array List of contact identifiers to be removed
* @return int Number of deleted group members
*/
function remove_from_group($group_id, $ids)
{
/* empty for address books don't supporting groups */
return 0;
}
/**
* Get group assignments of a specific contact record
*
* @param mixed Record identifier
*
* @return array List of assigned groups as ID=>Name pairs
* @since 0.5-beta
*/
function get_record_groups($id)
{
/* empty for address books don't supporting groups */
return array();
}
/**
* Utility function to return all values of a certain data column
* either as flat list or grouped by subtype
*
* @param string Col name
* @param array Record data array as used for saving
* @param boolean True to return one array with all values, False for hash array with values grouped by type
* @return array List of column values
*/
function get_col_values($col, $data, $flat = false)
{
$out = array();
foreach ($data as $c => $values) {
if (strpos($c, $col) === 0) {
if ($flat) {
$out = array_merge($out, (array)$values);
}
else {
list($f, $type) = explode(':', $c);
$out[$type] = array_merge((array)$out[$type], (array)$values);
}
}
}
return $out;
}
/**
* Normalize the given string for fulltext search.
* Currently only optimized for Latin-1 characters; to be extended
*
* @param string Input string (UTF-8)
* @return string Normalized string
*/
protected static function normalize_string($str)
{
$norm = strtolower(strtr(utf8_decode($str),
'��������������������������������������������������',
'ccaaaaeeeeiiiaeooouuuyooaiounnaaaaaeeeiiioooouuuyy'));
return preg_replace(
array('/[\s;\+\-\/]+/i', '/(\d)\s+(\d)/', '/\s\w{1,3}\s/'),
array(' ', '\\1\\2', ' '),
$norm);
}
}