* @author Ralf Becker * @package addressbook * @copyright (c) 2005/6 by Cornelius Weiss and Ralf Becker * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @version $Id$ */ /** * General storage object of the adressbook * * The contact storage has 3 operation modi (contact_repository): * - sql: contacts are stored in the SQL table egw_addressbook & egw_addressbook_extra (custom fields) * - ldap: contacts are stored in LDAP (accounts have to be stored in LDAP too!!!). * Custom fields are not availible in that case! * - sql-ldap: contacts are read and searched in SQL, but saved to both SQL and LDAP. * Other clients (Thunderbird, ...) can use LDAP readonly. The get maintained via eGroupWare only. * * The accounts can be stored in SQL or LDAP too (account_repository): * If the account-repository is different from the contacts-repository, the filter all (no owner set) * will only search the accounts and NOT the contacts! Only the filter accounts (owner=0) shows accounts. * * If sql-ldap is used as contact-storage (LDAP is managed from eGroupWare) the filter all, searches * the accounts in the SQL contacts-table too. Change in made in LDAP, are not detected in that case! * * @package addressbook * @author Cornelius Weiss * @author Ralf Becker * @copyright (c) 2005/6 by Cornelius Weiss and Ralf Becker * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License */ class socontacts { /** * name of customefields table * * @var string */ var $extra_table = 'egw_addressbook_extra'; /** * @var string */ var $extra_id = 'contact_id'; /** * @var string */ var $extra_owner = 'contact_owner'; /** * @var string */ var $extra_key = 'contact_name'; /** * @var string */ var $extra_value = 'contact_value'; /** * view for distributionlistsmembership * * @var string */ var $distributionlist_view ='(SELECT contact_id, egw_addressbook_lists.list_id as list_id, egw_addressbook_lists.list_name as list_name, egw_addressbook_lists.list_owner as list_owner FROM egw_addressbook_lists, egw_addressbook2list where egw_addressbook_lists.list_id=egw_addressbook2list.list_id) d_view '; /** * @var string */ var $distri_id = 'contact_id'; /** * @var string */ var $distri_owner = 'list_owner'; /** * @var string */ var $distri_key = 'list_id'; /** * @var string */ var $distri_value = 'list_name'; /** * Contact repository in 'sql' or 'ldap' * * @var string */ var $contact_repository = 'sql'; /** * Grants as account_id => rights pairs * * @var array */ var $grants; /** * userid of current user * * @var int */ var $user; /** * memberships of the current user * * @var array */ var $memberships; /** * LDAP searches only a limited set of attributes for performance reasons, * you NEED an index for that columns, ToDo: make it configurable * minimum: $this->columns_to_search = array('n_family','n_given','org_name','email'); */ var $ldap_search_attributes = array( 'n_family','n_middle','n_given','org_name','org_unit', 'adr_one_location','adr_two_location','note', 'email','mozillasecondemail', ); /** * In SQL we can search all columns, though a view make on real sense */ var $sql_cols_not_to_search = array( 'jpegphoto','owner','tid','private','id','cat_id', 'modified','modifier','creator','created','tz','account_id', ); /** * columns to search, if we search for a single pattern * * @var array */ var $columns_to_search = array(); /** * extra columns to search if accounts are included, eg. account_lid * * @var array */ var $account_extra_search = array(); /** * columns to search for accounts, if stored in different repository * * @var array */ var $account_cols_to_search = array(); /** * customfields name => array(...) pairs * * @var array */ var $customfields = array(); /** * content-types as name => array(...) pairs * * @var array */ var $content_types = array(); /** * total number of matches of last search * * @var int */ var $total; /** * storage object: sql (socontacts_sql) or ldap (so_ldap) backend class * * @var socontacts_sql */ var $somain; /** * storage object for accounts, if not identical to somain (eg. accounts in ldap, contacts in sql) * * @var so_ldap */ var $so_accounts; /** * account repository sql or ldap * * @var string */ var $account_repository = 'sql'; /** * custom fields backend * * @var so_sql */ var $soextra; var $sodistrib_list; var $backend; function socontacts($contact_app='addressbook') { $this->db = $GLOBALS['egw']->db; $this->user = $GLOBALS['egw_info']['user']['account_id']; $this->memberships = $GLOBALS['egw']->accounts->memberships($this->user,true); // account backend used if ($GLOBALS['egw_info']['server']['account_repository']) { $this->account_repository = $GLOBALS['egw_info']['server']['account_repository']; } elseif ($GLOBALS['egw_info']['server']['auth_type']) { $this->account_repository = $GLOBALS['egw_info']['server']['auth_type']; } // contacts backend (contacts in LDAP require accounts in LDAP!) if($GLOBALS['egw_info']['server']['contact_repository'] == 'ldap' && $this->account_repository == 'ldap') { $this->contact_repository = 'ldap'; $this->somain =& CreateObject('addressbook.so_ldap'); if ($this->user) // not set eg. in setup { // static grants from ldap: all rights for the own personal addressbook and the group ones of the meberships $this->grants = array($this->user => ~0); foreach($this->memberships as $gid) { $this->grants[$gid] = ~0; } } $this->columns_to_search = $this->ldap_search_attributes; } else // sql or sql->ldap { if ($GLOBALS['egw_info']['server']['contact_repository'] == 'sql-ldap') { $this->contact_repository = 'sql-ldap'; } $this->somain =& CreateObject('addressbook.socontacts_sql'); if ($this->user) // not set eg. in setup { // group grants are now grants for the group addressbook and NOT grants for all its members, // therefor the param false! $this->grants = $GLOBALS['egw']->acl->get_grants($contact_app,false); } // remove some columns, absolutly not necessary to search in sql $this->columns_to_search = array_diff(array_values($this->somain->db_cols),$this->sql_cols_not_to_search); } if ($this->account_repository == 'ldap' && $this->contact_repository == 'sql') { if ($this->account_repository != $this->contact_repository) { $this->so_accounts =& CreateObject('addressbook.so_ldap'); $this->account_cols_to_search = $this->ldap_search_attributes; } else { $this->account_extra_search = array('uid'); } } // add grants for accounts: if account_selection not in ('none','groupmembers'): everyone has read access, // if he has not set the hide_accounts preference // ToDo: be more specific for 'groupmembers', they should be able to see the groupmembers if (!in_array($GLOBALS['egw_info']['user']['preferences']['common']['account_selection'],array('none','groupmembers'))) { $this->grants[0] = EGW_ACL_READ; } // add account grants for admins if ($this->is_admin()) // admin rights can be limited by ACL! { $this->grants[0] = EGW_ACL_READ; // admins always have read-access if (!$GLOBALS['egw']->acl->check('account_access',16,'admin')) $this->grants[0] |= EGW_ACL_EDIT; // no add at the moment if (!$GLOBALS['egw']->acl->check('account_access',4,'admin')) $this->grants[0] |= EGW_ACL_ADD; if (!$GLOBALS['egw']->acl->check('account_access',32,'admin')) $this->grants[0] |= EGW_ACL_DELETE; } // ToDo: it should be the other way arround, the backend should set the grants it uses $this->somain->grants =& $this->grants; $this->soextra = new so_sql('phpgwapi',$this->extra_table); $this->customfields = config::get_customfields('addressbook'); $this->content_types = config::get_content_types('addressbook'); if (!$this->content_types) { $this->content_types = $custom->content_types = array('n' => array( 'name' => 'contact', 'options' => array( 'template' => 'addressbook.edit', 'icon' => 'navbar.png' ))); } } /** * Check if the user is an admin (can unconditionally edit accounts) * * We check now the admin ACL for edit users, as the admin app does it for editing accounts. * * @param array $contact=null for future use, where admins might not be admins for all accounts * @return boolean */ function is_admin($contact=null) { return isset($GLOBALS['egw_info']['user']['apps']['admin']) && !$GLOBALS['egw']->acl->check('account_access',16,'admin'); } /** * Read all customfields of the given id's * * @param int/array $ids * @param array $field_names=null custom fields to read, default all * @return array id => name => value */ function read_customfields($ids,$field_names=null) { if ($this->contact_repository == 'ldap') { return array(); // ldap does not support custom-fields (non-nummeric uid) } if (is_null($field_names)) $field_names = array_keys($this->customfields); foreach($ids as $key => $id) { if (!(int)$id) unset($ids[$key]); } if (!$ids || !$field_names) return array(); // nothing to do, eg. all these contacts are in ldap $fields = array(); foreach((array)$this->soextra->search(array( $this->extra_id => $ids, $this->extra_key => $field_names, ),false) as $data) { if ($data) $fields[$data[$this->extra_id]][$data[$this->extra_key]] = $data[$this->extra_value]; } return $fields; } /** * Read all distributionlists of the given id's * * @param int/array $ids * @return array id => name => value */ function read_distributionlist($ids, $dl_allowed=array()) { if ($this->contact_repository == 'ldap') { return array(); // ldap does not support distributionlists } foreach($ids as $key => $id) { if (!(int)$id) unset($ids[$key]); } if (!$ids) return array(); // nothing to do, eg. all these contacts are in ldap $fields = array(); $filter[$this->distri_id]=$ids; if (count($dl_allowed)) $filter[$this->distri_key]=$dl_allowed; foreach($this->db->select($this->distributionlist_view,'*',$filter,__LINE__,__FILE__) as $row) { if ((isset($row[$this->distri_id])&&strlen($row[$this->distri_value])>0)) { $fields[$row[$this->distri_id]][$row[$this->distri_key]] = $row[$this->distri_value].' ('.$GLOBALS['egw']->common->grab_owner_name($row[$this->distri_owner]).')'; } } return $fields; } /** * changes the data from the db-format to your work-format * * it gets called everytime when data is read from the db * This function needs to be reimplemented in the derived class * * @param array $data */ function db2data($data) { return $data; } /** * changes the data from your work-format to the db-format * * It gets called everytime when data gets writen into db or on keys for db-searches * this needs to be reimplemented in the derived class * * @param array $data */ function data2db($data) { return $data; } /** * deletes contact entry including custom fields * * @param mixed $contact array with id or just the id * @return boolean true on success or false on failiure */ function delete($contact) { if (is_array($contact)) $contact = $contact['id']; // delete mainfields if ($this->somain->delete($contact)) { // delete customfields, can return 0 if there are no customfields $this->soextra->delete(array($this->extra_id => $contact)); // delete from distribution list(s) $this->remove_from_list($contact); if ($this->contact_repository == 'sql-ldap') { if ($contact['account_id']) { // LDAP uses the uid attributes for the contact-id (dn), // which need to be the account_lid for accounts! $contact['id'] = $GLOBALS['egw']->accounts->id2name($contact['account_id']); } ExecMethod('addressbook.so_ldap.delete',$contact); } return true; } return false; } /** * saves contact data including custiom felds * * @param array &$contact contact data from etemplate::exec * @return bool false on success, errornumber on failure */ function save(&$contact) { // save mainfields if ($contact['id'] && $this->contact_repository != $this->account_repository && is_object($this->so_accounts) && ($this->contact_repository == 'sql' && !is_numeric($contact['id']) || $this->contact_repository == 'ldap' && is_numeric($contact['id']))) { $this->so_accounts->data = $this->data2db($contact); $error_nr = $this->so_accounts->save(); $contact['id'] = $this->so_accounts->data['id']; } else { // contact_repository sql-ldap (accounts in ldap) the person_id is the uid (account_lid) // for the sql write here we need to find out the existing contact_id if ($this->contact_repository == 'sql-ldap' && $contact['id'] && !is_numeric($contact['id']) && $contact['account_id'] && ($old = $this->somain->read(array('account_id' => $contact['account_id'])))) { $contact['id'] = $old['id']; } $this->somain->data = $this->data2db($contact); if (!($error_nr = $this->somain->save())) { $contact['id'] = $this->somain->data['id']; if ($this->contact_repository == 'sql-ldap') { $data = $this->somain->data; if ($contact['account_id']) { // LDAP uses the uid attributes for the contact-id (dn), // which need to be the account_lid for accounts! $data['id'] = $GLOBALS['egw']->accounts->id2name($contact['account_id']); } ExecMethod('addressbook.so_ldap.save',$data); } } } if($error_nr) return $error_nr; // save customfields foreach ((array)$this->customfields as $field => $options) { if (!isset($contact['#'.$field])) continue; $data = array( $this->extra_id => $contact['id'], $this->extra_owner => $contact['owner'], $this->extra_key => $field, ); if((string) $contact['#'.$field] === '') // dont write empty values { $this->soextra->delete($data); // just delete them, in case they were previously set continue; } $data[$this->extra_value] = $contact['#'.$field]; if (($error_nr = $this->soextra->save($data))) { return $error_nr; } } return false; // no error } /** * reads contact data including custom fields * * @param int/string $contact_id contact_id or 'a'.account_id * @return array/boolean data if row could be retrived else False */ function read($contact_id) { if (!is_array($contact_id) && substr($contact_id,0,8) == 'account:') { $contact_id = array('account_id' => (int) substr($contact_id,8)); } // read main data $backend =& $this->get_backend($contact_id); if (!($contact = $backend->read($contact_id))) { return $contact; } // try reading customfields only if we have some (none for LDAP!) if ($this->customfields && $this->contact_repository != 'ldap') { $customfields = $this->soextra->search(array( $this->extra_id => $contact['id'], $this->extra_key => array_keys($this->customfields), ),false); foreach ((array)$customfields as $field) { $contact['#'.$field[$this->extra_key]] = $field[$this->extra_value]; } } $dl_list=$this->read_distributionlist(array($contact['id'])); if (count($dl_list)) $contact['distrib_lists']=implode("\n",$dl_list[$contact['id']]); return $this->db2data($contact); } /** * searches db for rows matching searchcriteria * * '*' and '?' are replaced with sql-wildcards '%' and '_' * * @param array/string $criteria array of key and data cols, OR string to search over all standard search fields * @param boolean/string $only_keys=true True returns only keys, False returns all cols. comma seperated list of keys to return * @param string $order_by='' fieldnames + {ASC|DESC} separated by colons ',', can also contain a GROUP BY (if it contains ORDER BY) * @param string/array $extra_cols='' string or array of strings to be added to the SELECT, eg. "count(*) as num" * @param string $wildcard='' appended befor and after each criteria * @param boolean $empty=false False=empty criteria are ignored in query, True=empty have to be empty in row * @param string $op='AND' defaults to 'AND', can be set to 'OR' too, then criteria's are OR'ed together * @param mixed $start=false if != false, return only maxmatch rows begining with start, or array($start,$num) * @param array $filter=null if set (!=null) col-data pairs, to be and-ed (!) into the query without wildcards * @param string $join='' sql to do a join (only used by sql backend!), eg. " RIGHT JOIN egw_accounts USING(account_id)" * @return array of matching rows (the row is an array of the cols) or False */ function &search($criteria,$only_keys=True,$order_by='',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter=null,$join='') { //echo "

socontacts::search(".print_r($criteria,true).",'$only_keys','$order_by','$extra_cols','$wildcard','$empty','$op','$start',".print_r($filter,true).",'$join')

\n"; //error_log("socontacts::search(".print_r($criteria,true).",'$only_keys','$order_by','$extra_cols','$wildcard','$empty','$op','$start',".print_r($filter,true).",'$join')"); // the nextmatch custom-filter-header country-select returns a 2 letter country-code if (isset($filter['adr_one_countryname']) && strlen($filter['adr_one_countryname']) == 2) { $filter['adr_one_countryname'] = $GLOBALS['egw']->country->get_full_name($filter['adr_one_countryname']); } $backend =& $this->get_backend(null,$filter['owner']); // single string to search for --> create so_sql conformant search criterial for the standard search columns if ($criteria && !is_array($criteria)) { $op = 'OR'; $wildcard = '%'; $search = $criteria; $criteria = array(); if ($backend === $this->somain) { $cols = $this->columns_to_search; } else { $cols = $this->account_cols_to_search; } // search the customfields only if some exist, but only for sql! if (get_class($backend) == 'socontacts_sql' && $this->customfields) { $cols[] = $this->extra_value; } foreach($cols as $col) { $criteria[$col] = $search; } } if (is_array($criteria) && count($criteria)) { $criteria = $this->data2db($criteria); } if (is_array($filter) && count($filter)) { $filter = $this->data2db($filter); } else { $filter = $filter ? array($filter) : array(); } // get the used backend for the search and call it's search method $rows = $backend->search($criteria,$only_keys,$order_by,$extra_cols,$wildcard,$empty,$op,$start,$filter,$join,$need_full_no_count); $this->total = $backend->total; if ($rows) { foreach($rows as $n => $row) { $rows[$n] = $this->db2data($row); } } return $rows; } /** * Query organisations by given parameters * * @var array $param * @var string $param[org_view] 'org_name', 'org_name,adr_one_location', 'org_name,org_unit' how to group * @var int $param[owner] addressbook to search * @var string $param[search] search pattern for org_name * @var string $param[searchletter] letter the org_name need to start with * @var int $param[start] * @var int $param[num_rows] * @var string $param[sort] ASC or DESC * @return array or arrays with keys org_name,count and evtl. adr_one_location or org_unit */ function organisations($param) { if (!method_exists($this->somain,'organisations')) { $this->total = 0; return false; } if ($param['search'] && !is_array($param['search'])) { $search = $param['search']; $param['search'] = array(); foreach($this->columns_to_search as $col) { if ($col != 'contact_value') $param['search'][$col] = $search; // we dont search the customfields } } if (is_array($param['search']) && count($param['search'])) { $param['search'] = $this->data2db($param['search']); } $rows = $this->somain->organisations($param); $this->total = $this->somain->total; //echo "

socontacts::organisations(".print_r($param,true).")
".$this->somain->db->Query_ID->sql."

\n"; if (!$rows) return array(); foreach($rows as $n => $row) { $rows[$n]['id'] = 'org_name:'.$row['org_name']; foreach(array( 'org_unit' => lang('departments'), 'adr_one_locality' => lang('locations'), ) as $by => $by_label) { if ($row[$by.'_count'] > 1) { $rows[$n][$by] = $row[$by.'_count'].' '.$by_label; } else { $rows[$n]['id'] .= '|||'.$by.':'.$row[$by]; } } } return $rows; } /** * gets all contact fields from database * * @return array of (internal) field-names */ function get_contact_columns() { $fields = $this->get_fields('all'); foreach ((array)$this->customfields as $cfield => $coptions) { $fields[] = '#'.$cfield; } return $fields; } /** * delete / move all contacts of an addressbook * * @param array $data * @param int $data['account_id'] owner to change * @param int $data['new_owner'] new owner or 0 for delete */ function deleteaccount($data) { $account_id = $data['account_id']; $new_owner = $data['new_owner']; if (!$new_owner) { $this->somain->delete(array('owner' => $account_id)); $this->soextra->delete(array($this->extra_owner => $account_id)); } else { $this->somain->change_owner($account_id,$new_owner); $this->db->update($this->soextra->table_name,array( $this->extra_owner => $new_owner ),array( $this->extra_owner => $account_id ),__LINE__,__FILE__); } } /** * return the backend, to be used for the given $contact_id * * @param mixed $contact_id=null * @param int $owner=null account_id of owner or 0 for accounts * @return object */ function &get_backend($contact_id=null,$owner=null) { if ($owner === '') $owner = null; if ($this->contact_repository != $this->account_repository && is_object($this->so_accounts) && (!is_null($owner) && !$owner || !is_null($contact_id) && ($this->contact_repository == 'sql' && !is_numeric($contact_id) || $this->contact_repository == 'ldap' && is_numeric($contact_id)))) { return $this->so_accounts; } return $this->somain; } /** * Returns the supported, all or unsupported fields of the backend (depends on owner or contact_id) * * @param sting $type='all' 'supported', 'unsupported' or 'all' * @param mixed $contact_id=null * @param int $owner=null account_id of owner or 0 for accounts * @return array with eGW contact field names */ function get_fields($type='all',$contact_id=null,$owner=null) { $def = $this->db->get_table_definitions('phpgwapi','egw_addressbook'); $all_fields = array(); foreach($def['fd'] as $field => $data) { $all_fields[] = substr($field,0,8) == 'contact_' ? substr($field,8) : $field; } if ($type == 'all') { return $all_fields; } $backend =& $this->get_backend($contact_id,$owner); $supported_fields = method_exists($backend,supported_fields) ? $backend->supported_fields() : $all_fields; //echo "supported fields=";_debug_array($supported_fields); if ($type == 'supported') { return $supported_fields; } //echo "unsupported fields=";_debug_array(array_diff($all_fields,$supported_fields)); return array_diff($all_fields,$supported_fields); } /** * Migrates an SQL contact storage to LDAP or SQL-LDAP * * @param string $type "contacts" (default), "contacts+accounts" or "contacts+accounts-back" (sql-ldap!) */ function migrate2ldap($type) { $sql_contacts =& CreateObject('addressbook.socontacts_sql'); $ldap_contacts =& CreateObject('addressbook.so_ldap'); $start = $n = 0; $num = 100; while (($contacts = $sql_contacts->search(false,false,'n_family,n_given','','',false,'AND', array($start,$num),$type != 'contacts,accounts' ? array('contact_owner != 0') : false))) { // very worse hack, until Ralf finds a better solution // when migrating data, we need to bind as global ldap admin account // and not as currently logged in user $ldap_contacts->ds = $GLOBALS['egw']->ldap->ldapConnect(); foreach($contacts as $contact) { if ($contact['account_id']) $contact['id'] = $GLOBALS['egw']->accounts->id2name($contact['account_id']); $ldap_contacts->data = $contact; $n++; if (!($err = $ldap_contacts->save())) { echo '

'.$n.': '.$contact['n_fn']. ($contact['org_name'] ? ' ('.$contact['org_name'].')' : '')." --> LDAP

\n"; } else { echo '

'.$n.': '.$contact['n_fn']. ($contact['org_name'] ? ' ('.$contact['org_name'].')' : '').': '.$err."

\n"; } } $start += $num; } if ($type == 'contacts,accounts-back') // migrate the accounts to sql { // very worse hack, until Ralf finds a better solution // when migrating data, we need to bind as global ldap admin account // and not as currently logged in user $ldap_contacts->ds = $GLOBALS['egw']->ldap->ldapConnect(); foreach($ldap_contacts->search(false,false,'n_family,n_given','','',false,'AND', false,array('owner' => 0)) as $contact) { if ($contact['jpegphoto']) // photo is NOT read by LDAP backend on search, need to do an extra read { $contact = $ldap_contacts->read($contact['id']); } unset($contact['id']); // ldap uid/account_lid if ($contact['account_id'] && ($old = $sql_contacts->read(array('account_id' => $contact['account_id'])))) { $contact['id'] = $old['id']; } $sql_contacts->data = $contact; $n++; if (!($err = $sql_contacts->save())) { echo '

'.$n.': '.$contact['n_fn']. ($contact['org_name'] ? ' ('.$contact['org_name'].')' : '')." --> SQL (".lang('User').")

\n"; } else { echo '

'.$n.': '.$contact['n_fn']. ($contact['org_name'] ? ' ('.$contact['org_name'].')' : '').': '.$err."

\n"; } } } } /** * Get the availible distribution lists for a user * * @param int $required=EGW_ACL_READ required rights on the list * @param string $extra_labels=null first labels if given (already translated) * @return array with id => label pairs or false if backend does not support lists */ function get_lists($required=EGW_ACL_READ,$extra_labels=null) { if (!method_exists($this->somain,'get_lists')) return false; $uids = array(); foreach($this->grants as $uid => $rights) { if ($rights & $required) { $uids[] = $uid; } } $lists = is_array($extra_labels) ? $extra_labels : array(); foreach($this->somain->get_lists($uids) as $list_id => $data) { $lists[$list_id] = $data['list_name']; if ($data['list_owner'] != $this->user) { $lists[$list_id] .= ' ('.$GLOBALS['egw']->common->grab_owner_name($data['list_owner']).')'; } } //echo "

socontacts_sql::get_lists($required,'$extra_label')

\n"; _debug_array($lists); return $lists; } /** * Adds a distribution list * * @param string $name list-name * @param int $owner user- or group-id * @param array $contacts=array() contacts to add * @return list_id or false on error */ function add_list($name,$owner,$contacts=array()) { if (!method_exists($this->somain,'add_list')) return false; return $this->somain->add_list($name,$owner,$contacts); } /** * Adds one contact to a distribution list * * @param int $contact contact_id * @param int $list list-id * @return false on error */ function add2list($contact,$list) { if (!method_exists($this->somain,'add2list')) return false; return $this->somain->add2list($contact,$list); } /** * Removes one contact from distribution list(s) * * @param int $contact contact_id * @param int $list=null list-id or null to remove from all lists * @return false on error */ function remove_from_list($contact,$list=null) { if (!method_exists($this->somain,'remove_from_list')) return false; return $this->somain->remove_from_list($contact,$list); } /** * Deletes a distribution list (incl. it's members) * * @param int/array $list list_id(s) * @return number of members deleted or false if list does not exist */ function delete_list($list) { if (!method_exists($this->somain,'delete_list')) return false; return $this->somain->delete_list($list); } /** * Read data of a distribution list * * @param int $list list_id * @return array of data or false if list does not exist */ function read_list($list) { if (!method_exists($this->somain,'read_list')) return false; return $this->somain->read_list($list); } /** * Check if distribution lists are availible for a given addressbook * * @param int/string $owner='' addressbook (eg. 0 = accounts), default '' = "all" addressbook (uses the main backend) * @return boolean */ function lists_available($owner='') { $backend =& $this->get_backend(null,$owner); return method_exists($backend,'read_list'); } }