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-rw-r--r--program/lib/Roundcube/rcube_contacts.php1002
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diff --git a/program/lib/Roundcube/rcube_contacts.php b/program/lib/Roundcube/rcube_contacts.php
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+++ b/program/lib/Roundcube/rcube_contacts.php
@@ -0,0 +1,1002 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_contacts.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2006-2012, The Roundcube Dev Team |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Interface to the local address book database |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ +-----------------------------------------------------------------------+
+*/
+
+
+/**
+ * Model class for the local address book database
+ *
+ * @package Framework
+ * @subpackage 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';
+ protected $vcard_fieldmap = array();
+
+ /**
+ * Store database connection.
+ *
+ * @var rcube_db
+ */
+ 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 = $this->db->query(
+ "SELECT * FROM ".$this->db->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 = $this->db->query(
+ "SELECT * FROM ".$this->db->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)
+ $join = " LEFT JOIN ".$this->db->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 = $this->db->limitquery(
+ "SELECT * FROM ".$this->db->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, rcube_utils::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, $this->fulltext_cols)) {
+ foreach (rcube_utils::normalize_string($val, true) 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)
+ $join = " LEFT JOIN ".$this->db->table_name($this->db_groupmembers)." AS m".
+ " ON (m.contact_id=c.".$this->primary_key.")";
+
+ // count contacts for this user
+ $sql_result = $this->db->query(
+ "SELECT COUNT(c.contact_id) AS rows".
+ " FROM ".$this->db->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;
+
+ $this->db->query(
+ "SELECT * FROM ".$this->db->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 " . $this->db->table_name($this->db_groupmembers) . " AS cgm" .
+ " LEFT JOIN " . $this->db->table_name($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)) {
+ $this->db->query(
+ "INSERT INTO ".$this->db->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)) {
+ $this->db->query(
+ "UPDATE ".$this->db->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'], RCMAIL_CHARSET, false, $this->vcard_fieldmap);
+ $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'], RCMAIL_CHARSET, false, $this->vcard_fieldmap);
+ $vcard->reset();
+ foreach ($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 .= ' ' . rcube_utils::normalize_string(join(" ", $value));
+ else if ($fulltext && strlen($value) >= 3)
+ $words .= ' ' . rcube_utils::normalize_string($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)
+ $this->db->query(
+ "UPDATE ".$this->db->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
+ $this->db->query(
+ "UPDATE ".$this->db->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;
+
+ $this->db->query("UPDATE ".$this->db->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);
+
+ $this->db->query(
+ "INSERT INTO ".$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 $result;
+ }
+
+
+ /**
+ * Delete the given group (and all linked group members)
+ *
+ * @param string Group identifier
+ * @return boolean True on success, false if no data was changed
+ */
+ function delete_group($gid)
+ {
+ // flag group record as deleted
+ $sql_result = $this->db->query(
+ "UPDATE ".$this->db->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, $newname, &$new_gid)
+ {
+ // make sure we have a unique name
+ $name = $this->unique_groupname($newname);
+
+ $sql_result = $this->db->query(
+ "UPDATE ".$this->db->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 = $this->db->query(
+ "SELECT contact_id FROM ".$this->db->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) {
+ $this->db->query(
+ "INSERT INTO ".$this->db->table_name($this->db_groupmembers).
+ " (contactgroup_id, contact_id, created)".
+ " VALUES (?, ?, ".$this->db->now().")",
+ $group_id,
+ $contact_id
+ );
+
+ if ($error = $this->db->is_error())
+ $this->set_error(self::ERROR_SAVING, $error);
+ else
+ $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 = $this->db->query(
+ "DELETE FROM ".$this->db->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 = $this->db->query(
+ "SELECT 1 FROM ".$this->db->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 = $this->db->fetch_array($sql_result)) {
+ $checkname = $name . ' ' . $num++;
+ }
+ } while ($hit);
+
+ return $checkname;
+ }
+
+}