* @author Joerg Lehrke * @copyright (c) 2004-16 by RalfBecker-At-outdoor-training.de * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @version $Id$ */ use EGroupware\Api; use EGroupware\Api\Link; use EGroupware\Api\Acl; if (!defined('ACL_TYPE_IDENTIFER')) // used to mark ACL-values for the debug_message methode { define('ACL_TYPE_IDENTIFER','***ACL***'); } define('HOUR_s',60*60); define('DAY_s',24*HOUR_s); define('WEEK_s',7*DAY_s); /** * Required (!) include, as we use the MCAL_* constants, BEFORE instanciating (and therefore autoloading) the class */ require_once(EGW_INCLUDE_ROOT.'/calendar/inc/class.calendar_so.inc.php'); /** * Class to access all calendar data * * For updating calendar data look at the bocalupdate class, which extends this class. * * The new UI, BO and SO classes have a strikt definition, in which time-zone they operate: * UI only operates in user-time, so there have to be no conversation at all !!! * BO's functions take and return user-time only (!), they convert internaly everything to servertime, because * SO operates only in server-time * * As this BO class deals with dates/times of several types and timezone, each variable should have a postfix * appended, telling with type it is: _s = seconds, _su = secs in user-time, _ss = secs in server-time, _h = hours * * All new BO code (should be true for eGW in general) NEVER use any $_REQUEST ($_POST or $_GET) vars itself. * Nor does it store the state of any UI-elements (eg. cat-id selectbox). All this is the task of the UI class(es) !!! * * All permanent debug messages of the calendar-code should done via the debug-message method of this class !!! */ class calendar_bo { /** * Gives read access to the calendar, but all events the user is not participating are private! * Used by addressbook. */ const ACL_READ_FOR_PARTICIPANTS = Acl::CUSTOM1; /** * Right to see free/busy data only */ const ACL_FREEBUSY = Acl::CUSTOM2; /** * Allows to invite an other user (if configured to be used!) */ const ACL_INVITE = Acl::CUSTOM3; /** * @var int $debug name of method to debug or level of debug-messages: * False=Off as higher as more messages you get ;-) * 1 = function-calls incl. parameters to general functions like search, read, write, delete * 2 = function-calls to exported helper-functions like check_perms * 4 = function-calls to exported conversation-functions like date2ts, date2array, ... * 5 = function-calls to private functions */ var $debug=false; /** * @var int $now timestamp in server-time */ var $now; /** * @var int $now_su timestamp of actual user-time */ var $now_su; /** * @var array $cal_prefs calendar-specific prefs */ var $cal_prefs; /** * @var array $common_prefs common preferences */ var $common_prefs; /** * Custom fields read from the calendar config * * @var array */ var $customfields = array(); /** * @var int $user nummerical id of the current user-id */ var $user=0; /** * @var array $grants grants of the current user, array with user-id / ored-ACL-rights pairs */ var $grants=array(); /** * @var array $verbose_status translated 1-char status values to a verbose name, run through lang() by the constructor */ var $verbose_status = array( 'A' => 'Accepted', 'R' => 'Rejected', 'T' => 'Tentative', 'U' => 'No Response', 'D' => 'Delegated', 'G' => 'Group invitation', ); /** * @var array recur_types translates MCAL recur-types to verbose labels */ var $recur_types = Array( MCAL_RECUR_NONE => 'No recurrence', MCAL_RECUR_DAILY => 'Daily', MCAL_RECUR_WEEKLY => 'Weekly', MCAL_RECUR_MONTHLY_WDAY => 'Monthly (by day)', MCAL_RECUR_MONTHLY_MDAY => 'Monthly (by date)', MCAL_RECUR_YEARLY => 'Yearly' ); /** * @var array recur_days translates MCAL recur-days to verbose labels */ var $recur_days = array( MCAL_M_MONDAY => 'Monday', MCAL_M_TUESDAY => 'Tuesday', MCAL_M_WEDNESDAY => 'Wednesday', MCAL_M_THURSDAY => 'Thursday', MCAL_M_FRIDAY => 'Friday', MCAL_M_SATURDAY => 'Saturday', MCAL_M_SUNDAY => 'Sunday', ); /** * Standard iCal attendee roles * * @var array */ var $roles = array( 'REQ-PARTICIPANT' => 'Requested', 'CHAIR' => 'Chair', 'OPT-PARTICIPANT' => 'Optional', 'NON-PARTICIPANT' => 'None', ); /** * Alarm times * * @var array */ var $alarms = array( 300 => '5 Minutes', 600 => '10 Minutes', 900 => '15 Minutes', 1800 => '30 Minutes', 3600 => '1 Hour', 7200 => '2 Hours', 43200 => '12 Hours', 86400 => '1 Day', 172800 => '2 Days', 604800 => '1 Week', ); /** * @var array $resources registered scheduling resources of the calendar (gets cached in the session for performance reasons) */ var $resources; /** * @var array $cached_event here we do some caching to read single events only once */ protected static $cached_event = array(); protected static $cached_event_date_format = false; protected static $cached_event_date = 0; /** * @var array $cached_holidays holidays plus birthdays (gets cached in the session for performance reasons) */ var $cached_holidays; /** * Instance of the socal class * * @var calendar_so */ var $so; /** * Instance of the categories class * * @var Api\Categories */ var $categories; /** * Config values for "calendar", only used for horizont, regular calendar config is under phpgwapi * * @var array */ var $config; /** * Does a user require an extra invite grant, to be able to invite an other user, default no * * @var string 'all', 'groups' or null */ public $require_acl_invite = null; /** * Warnings to show in regular UI * * @var array */ var $warnings = array(); /** * Constructor */ function __construct() { if ($this->debug > 0) $this->debug_message('calendar_bo::bocal() started',True); $this->so = new calendar_so(); $this->common_prefs =& $GLOBALS['egw_info']['user']['preferences']['common']; $this->cal_prefs =& $GLOBALS['egw_info']['user']['preferences']['calendar']; $this->now = time(); $this->now_su = Api\DateTime::server2user($this->now,'ts'); $this->user = $GLOBALS['egw_info']['user']['account_id']; $this->grants = $GLOBALS['egw']->acl->get_grants('calendar'); if (!is_array($this->resources = Api\Cache::getSession('calendar', 'resources'))) { $this->resources = array(); foreach(Api\Hooks::process('calendar_resources') as $app => $data) { if ($data && $data['type']) { $this->resources[$data['type']] = $data + array('app' => $app); } } $this->resources['e'] = array( 'type' => 'e', 'info' => __CLASS__.'::email_info', 'app' => 'email', ); $this->resources['l'] = array( 'type' => 'l',// one char type-identifier for this resources 'info' => __CLASS__ .'::mailing_lists',// info method, returns array with id, type & name for a given id 'app' => 'Mailing list' ); $this->resources[''] = array( 'type' => '', 'app' => 'api-accounts', ); Api\Cache::setSession('calendar', 'resources', $this->resources); } //error_log(__METHOD__ . " registered resources=". array2string($this->resources)); $this->config = Api\Config::read('calendar'); // only used for horizont, regular calendar config is under phpgwapi $this->require_acl_invite = $GLOBALS['egw_info']['server']['require_acl_invite']; $this->categories = new Api\Categories($this->user,'calendar'); $this->customfields = Api\Storage\Customfields::get('calendar'); foreach($this->alarms as $secs => &$label) { $label = self::secs2label($secs); } } /** * Generate translated label for a given number of seconds * * @param int $secs * @return string */ static public function secs2label($secs) { if ($secs <= 3600) { $label = lang('%1 minutes', $secs/60); } elseif($secs <= 86400) { $label = lang('%1 hours', $secs/3600); } else { $label = lang('%1 days', $secs/86400); } return $label; } /** * returns info about email addresses as participants * * @param int|array $ids single contact-id or array of id's * @return array */ static function email_info($ids) { if (!$ids) return null; $data = array(); foreach((array)$ids as $id) { $email = $id; $name = ''; $matches = null; if (preg_match('/^(.*) *<([a-z0-9_.@-]{8,})>$/iU',$email,$matches)) { $name = $matches[1]; $email = $matches[2]; } $data[] = array( 'res_id' => $id, 'email' => $email, 'rights' => self::ACL_READ_FOR_PARTICIPANTS, 'name' => $name, ); } //error_log(__METHOD__.'('.array2string($ids).')='.array2string($data).' '.function_backtrace()); return $data; } /** * returns info about mailing lists as participants * * @param int|array $ids single mailing list ID or array of id's * @return array */ static function mailing_lists($ids) { if(!is_array($ids)) { $ids = array($ids); } $data = array(); // Email list $contacts_obj = new Api\Contacts(); foreach($ids as $id) { $list = $contacts_obj->read_list((int)$id); $data[] = array( 'res_id' => $id, 'rights' => self::ACL_READ_FOR_PARTICIPANTS, 'name' => $list['list_name'], ); } return $data; } /** * Enumerates the contacts in a contact list, and returns the list of contact IDs * * This is used to enable mailing lists as owner/participant * * @param string $id Mailing list participant ID, which is the mailing list * ID prefixed with 'l' * @param boolean $ignore_acl = false Flag to skip ACL checks * @param boolean $use_freebusy =true should freebusy rights are taken into account, default true, can be set to false eg. for a search * * @return array */ public function enum_mailing_list($id, $ignore_acl= false, $use_freebusy = true) { $contact_list = array(); $contacts = new Api\Contacts(); if($contacts->check_list((int)substr($id,1), ACL::READ)) { $options = array('list' => substr($id,1)); $lists = $contacts->search('',true,'','','',false,'AND',false,$options); if(!$lists) { return $contact_list; } foreach($lists as &$contact) { $contact = 'c'.$contact['id']; if ($ignore_acl || $this->check_perms(ACL::READ|self::ACL_READ_FOR_PARTICIPANTS|($use_freebusy?self::ACL_FREEBUSY:0),0,$contact)) { if ($contact && !in_array($contact,$contact_list)) // already added? { $contact_list[] = $contact; } } } } return $contact_list; } /** * Add group-members as participants with status 'G' * * @param array $event event-array * @return int number of added participants */ function enum_groups(&$event) { $added = 0; foreach(array_keys($event['participants']) as $uid) { if (is_numeric($uid) && $GLOBALS['egw']->accounts->get_type($uid) == 'g' && ($members = $GLOBALS['egw']->accounts->members($uid, true))) { foreach($members as $member) { if (!isset($event['participants'][$member])) { $event['participants'][$member] = 'G'; ++$added; } } } } return $added; } /** * Resolve users to add memberships for users and members for groups * * @param int|array $_users * @param boolean $no_enum_groups =true * @param boolean $ignore_acl =false * @param boolean $use_freebusy =true should freebusy rights are taken into account, default true, can be set to false eg. for a search * @return array of user-ids */ private function resolve_users($_users, $no_enum_groups=true, $ignore_acl=false, $use_freebusy=true) { if (!is_array($_users)) { $_users = $_users ? array($_users) : array(); } // only query calendars of users, we have READ-grants from $users = array(); foreach($_users as $user) { $user = trim($user); // Handle email lists if(!is_numeric($user) && $user[0] == 'l') { foreach($this->enum_mailing_list($user, $ignore_acl, $use_freebusy) as $contact) { if ($contact && !in_array($contact,$users)) // already added? { $users[] = $contact; } } continue; } if ($ignore_acl || $this->check_perms(ACL::READ|self::ACL_READ_FOR_PARTICIPANTS|($use_freebusy?self::ACL_FREEBUSY:0),0,$user)) { if ($user && !in_array($user,$users)) // already added? { $users[] = $user; } } elseif ($GLOBALS['egw']->accounts->get_type($user) != 'g') { continue; // for non-groups (eg. users), we stop here if we have no read-rights } // the further code is only for real users if (!is_numeric($user)) continue; // for groups we have to include the members if ($GLOBALS['egw']->accounts->get_type($user) == 'g') { if ($no_enum_groups) continue; $members = $GLOBALS['egw']->accounts->members($user, true); if (is_array($members)) { foreach($members as $member) { // use only members which gave the user a read-grant if (!in_array($member, $users) && ($ignore_acl || $this->check_perms(Acl::READ|($use_freebusy?self::ACL_FREEBUSY:0),0,$member))) { $users[] = $member; } } } } else // for users we have to include all the memberships, to get the group-events { $memberships = $GLOBALS['egw']->accounts->memberships($user, true); if (is_array($memberships)) { foreach($memberships as $group) { if (!in_array($group,$users)) { $users[] = $group; } } } } } return $users; } /** * Searches / lists calendar entries, including repeating ones * * @param array $params array with the following keys * start date startdate of the search/list, defaults to today * end date enddate of the search/list, defaults to start + one day * users int|array integer user-id or array of user-id's to use, defaults to the current user * cat_id int|array category-id or array of cat-id's (incl. all sub-categories), default 0 = all * filter string all (not rejected), accepted, unknown, tentative, rejected, hideprivate or everything (incl. rejected, deleted) * query string pattern so search for, if unset or empty all matching entries are returned (no search) * Please Note: a search never returns repeating events more then once AND does not honor start+end date !!! * daywise boolean on True it returns an array with YYYYMMDD strings as keys and an array with events * (events spanning multiple days are returned each day again (!)) otherwise it returns one array with * the events (default), not honored in a search ==> always returns an array of events! * date_format string date-formats: 'ts'=timestamp (default), 'array'=array, or string with format for date * offset boolean|int false (default) to return all entries or integer offset to return only a limited result * enum_recuring boolean if true or not set (default) or daywise is set, each recurence of a recuring events is returned, * otherwise the original recuring event (with the first start- + enddate) is returned * num_rows int number of entries to return, default or if 0, max_entries from the prefs * order column-names plus optional DESC|ASC separted by comma * ignore_acl if set and true no check_perms for a general Acl::READ grants is performed * enum_groups boolean if set and true, group-members will be added as participants with status 'G' * cols string|array columns to select, if set an iterator will be returned * append string to append to the query, eg. GROUP BY * cfs array if set, query given custom fields or all for empty array, none are returned, if not set (default) * master_only boolean default false, true only take into account participants/status from master (for AS) * @param string $sql_filter =null sql to be and'ed into query (fully quoted), default none * @return iterator|array|boolean array of events or array with YYYYMMDD strings / array of events pairs (depending on $daywise param) * or false if there are no read-grants from _any_ of the requested users or iterator/recordset if cols are given */ function &search($params,$sql_filter=null) { $params_in = $params; $params['sql_filter'] = $sql_filter; // dont allow to set it via UI or xmlrpc // check if any resource wants to hook into foreach($this->resources as $data) { if (isset($data['search_filter'])) { $params = ExecMethod($data['search_filter'],$params); } } if (!isset($params['users']) || !$params['users'] || count($params['users']) == 1 && isset($params['users'][0]) && !$params['users'][0]) // null or '' casted to an array { // for a search use all account you have read grants from $params['users'] = $params['query'] ? array_keys($this->grants) : $this->user; } // resolve users to add memberships for users and members for groups // for search, do NOT use freebusy rights, as it would allow to probe the content of event entries $users = $this->resolve_users($params['users'], $params['filter'] == 'no-enum-groups', $params['ignore_acl'], empty($params['query'])); // supply so with private_grants, to not query them again from the database if (!empty($params['query'])) { $params['private_grants'] = array(); foreach($this->grants as $user => $rights) { if ($rights & Acl::PRIVAT) $params['private_grants'][] = $user; } } // replace (by so not understood filter 'no-enum-groups' with 'default' filter if ($params['filter'] == 'no-enum-groups') { $params['filter'] = 'default'; } // if we have no grants from the given user(s), we directly return no events / an empty array, // as calling the so-layer without users would give the events of all users (!) if (!count($users)) { return false; } if (isset($params['start'])) $start = $this->date2ts($params['start']); if (isset($params['end'])) { $end = $this->date2ts($params['end']); $this->check_move_horizont($end); } $daywise = !isset($params['daywise']) ? False : !!$params['daywise']; $params['enum_recuring'] = $enum_recuring = $daywise || !isset($params['enum_recuring']) || !!$params['enum_recuring']; $cat_id = isset($params['cat_id']) ? $params['cat_id'] : 0; $filter = isset($params['filter']) ? $params['filter'] : 'all'; $offset = isset($params['offset']) && $params['offset'] !== false ? (int) $params['offset'] : false; // socal::search() returns rejected group-invitations, as only the user not also the group is rejected // as we cant remove them efficiantly in SQL, we kick them out here, but only if just one user is displayed $users_in = (array)$params_in['users']; $remove_rejected_by_user = !in_array($filter,array('all','rejected','everything')) && count($users_in) == 1 && $users_in[0] > 0 ? $users_in[0] : null; //error_log(__METHOD__.'('.array2string($params_in).", $sql_filter) params[users]=".array2string($params['users']).' --> remove_rejected_by_user='.array2string($remove_rejected_by_user)); if ($this->debug && ($this->debug > 1 || $this->debug == 'search')) { $this->debug_message('calendar_bo::search(%1) start=%2, end=%3, daywise=%4, cat_id=%5, filter=%6, query=%7, offset=%8, num_rows=%9, order=%10, sql_filter=%11)', True,$params,$start,$end,$daywise,$cat_id,$filter,$params['query'],$offset,(int)$params['num_rows'],$params['order'],$params['sql_filter']); } // date2ts(,true) converts to server time, db2data converts again to user-time $events =& $this->so->search(isset($start) ? $this->date2ts($start,true) : null,isset($end) ? $this->date2ts($end,true) : null, $users,$cat_id,$filter,$offset,(int)$params['num_rows'],$params,$remove_rejected_by_user); if (isset($params['cols'])) { return $events; } $this->total = $this->so->total; $this->db2data($events,isset($params['date_format']) ? $params['date_format'] : 'ts'); //echo "

remove_rejected_by_user=$remove_rejected_by_user, filter=$filter, params[users]=".print_r($param['users'])."

\n"; foreach($events as $id => $event) { if ($params['enum_groups'] && $this->enum_groups($event)) { $events[$id] = $event; } $matches = null; if (!(int)$event['id'] && preg_match('/^([a-z_]+)([0-9]+)$/',$event['id'],$matches)) { $is_private = self::integration_get_private($matches[1],$matches[2],$event); } else { $is_private = !$this->check_perms(Acl::READ,$event); } if ($is_private || (!$event['public'] && $filter == 'hideprivate')) { $this->clear_private_infos($events[$id],$users); } } if ($daywise) { if ($this->debug && ($this->debug > 2 || $this->debug == 'search')) { $this->debug_message('socalendar::search daywise sorting from %1 to %2 of %3',False,$start,$end,$events); } // create empty entries for each day in the reported time for($ts = $start; $ts <= $end; $ts += DAY_s) // good enough for array creation, but see while loop below. { $daysEvents[$this->date2string($ts)] = array(); } foreach($events as $k => $event) { $e_start = max($this->date2ts($event['start']),$start); // $event['end']['raw']-1 to allow events to end on a full hour/day without the need to enter it as minute=59 $e_end = min($this->date2ts($event['end'])-1,$end); // add event to each day in the reported time $ts = $e_start; // $ts += DAY_s in a 'for' loop does not work for daylight savings in week view // because the day is longer than DAY_s: Fullday events will be added twice. $ymd = null; while ($ts <= $e_end) { $daysEvents[$ymd = $this->date2string($ts)][] =& $events[$k]; $ts = strtotime("+1 day",$ts); } if ($ymd != ($last = $this->date2string($e_end))) { $daysEvents[$last][] =& $events[$k]; } } $events =& $daysEvents; if ($this->debug && ($this->debug > 2 || $this->debug == 'search')) { $this->debug_message('socalendar::search daywise events=%1',False,$events); } } if ($this->debug && ($this->debug > 0 || $this->debug == 'search')) { $this->debug_message('calendar_bo::search(%1)=%2',True,$params,$events); } //error_log(__METHOD__."() returning ".count($events)." entries, total=$this->total ".function_backtrace()); return $events; } /** * Get integration data for a given app of a part (value for a certain key) of it * * @param string $app * @param string $part * @return array */ static function integration_get_data($app,$part=null) { static $integration_data=null; if (!isset($integration_data)) { $integration_data = calendar_so::get_integration_data(); } if (!isset($integration_data[$app])) return null; return $part ? $integration_data[$app][$part] : $integration_data[$app]; } /** * Get private attribute for an integration event * * Attribute 'is_private' is either a boolean value, eg. false to make all events of $app public * or an ExecMethod callback with parameters $id,$event * * @param string $app * @param int|string $id * @return string */ static function integration_get_private($app,$id,$event) { $app_data = self::integration_get_data($app,'is_private'); // no method, fall back to link title if (is_null($app_data)) { $is_private = !Link::title($app,$id); } // boolean value to make all events of $app public (false) or private (true) elseif (is_bool($app_data)) { $is_private = $app_data; } else { $is_private = (bool)ExecMethod2($app_data,$id,$event); } //echo '

'.__METHOD__."($app,$id,) app_data=".array2string($app_data).' returning '.array2string($is_private)."

\n"; return $is_private; } /** * Clears all non-private info from a privat event * * That function only returns the infos allowed to be viewed by people without Acl::PRIVAT grants * * @param array &$event * @param array $allowed_participants ids of the allowed participants, eg. the ones the search is over or eg. the owner of the calendar */ function clear_private_infos(&$event,$allowed_participants = array()) { if ($event == false) return; if (!is_array($event['participants'])) error_log(__METHOD__.'('.array2string($event).', '.array2string($allowed_participants).') NO PARTICIPANTS '.function_backtrace()); $event = array( 'id' => $event['id'], 'start' => $event['start'], 'end' => $event['end'], 'whole_day' => $event['whole_day'], 'tzid' => $event['tzid'], 'title' => lang('private'), 'modified' => $event['modified'], 'owner' => $event['owner'], 'uid' => $event['uid'], 'etag' => $event['etag'], 'participants' => array_intersect_key($event['participants'],array_flip($allowed_participants)), 'public'=> 0, 'category' => $event['category'], // category is visible anyway, eg. by using planner by cat 'non_blocking' => $event['non_blocking'], 'caldav_name' => $event['caldav_name'], // we need full recurrence information, as they are relevant free/busy information )+($event['recur_type'] ? array( 'recur_type' => $event['recur_type'], 'recur_interval' => $event['recur_interval'], 'recur_data' => $event['recur_data'], 'recur_enddate' => $event['recur_enddate'], 'recur_exception'=> $event['recur_exception'], ):array( 'reference' => $event['reference'], 'recurrence' => $event['recurrence'], )); } /** * check and evtl. move the horizont (maximum date for unlimited recuring events) to a new date * * @internal automaticaly called by search * @param mixed $_new_horizont time to set the horizont to (user-time) */ function check_move_horizont($_new_horizont) { if ((int) $this->debug >= 2 || $this->debug == 'check_move_horizont') { $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2',true,$_new_horizont,(int)$this->config['horizont']); } $new_horizont = $this->date2ts($_new_horizont,true); // now we are in server-time, where this function operates if ($new_horizont <= $this->config['horizont']) // no move necessary { if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 is bigger ==> nothing to do',true,$new_horizont,(int)$this->config['horizont']); return; } if (!empty($GLOBALS['egw_info']['server']['calendar_horizont'])) { $maxdays = abs($GLOBALS['egw_info']['server']['calendar_horizont']); } if (empty($maxdays)) $maxdays = 1000; // old default if ($new_horizont > time()+$maxdays*DAY_s) // some user tries to "look" more then the maximum number of days in the future { if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) horizont=%2 new horizont more then %3 days from now --> ignoring it',true,$new_horizont,(int)$this->config['horizont'],$maxdays); $this->warnings['horizont'] = lang('Requested date %1 outside allowed range of %2 days: recurring events obmitted!', Api\DateTime::to($new_horizont,true), $maxdays); return; } if ($new_horizont < time()+31*DAY_s) { $new_horizont = time()+31*DAY_s; } $old_horizont = $this->config['horizont']; $this->config['horizont'] = $new_horizont; // create further recurrences for all recurring and not yet (at the old horizont) ended events if (($recuring = $this->so->unfinished_recuring($old_horizont))) { @set_time_limit(0); // disable time-limit, in case it takes longer to calculate the recurrences foreach($this->read(array_keys($recuring)) as $cal_id => $event) { if ($this->debug == 'check_move_horizont') { $this->debug_message('calendar_bo::check_move_horizont(%1): calling set_recurrences(%2,%3)',true,$new_horizont,$event,$old_horizont); } // insert everything behind max(cal_start), which can be less then $old_horizont because of bugs in the past $this->set_recurrences($event,Api\DateTime::server2user($recuring[$cal_id]+1)); // set_recurences operates in user-time! } } // update the horizont Api\Config::save_value('horizont',$this->config['horizont'],'calendar'); if ($this->debug == 'check_move_horizont') $this->debug_message('calendar_bo::check_move_horizont(%1) new horizont=%2, exiting',true,$new_horizont,(int)$this->config['horizont']); } /** * set all recurrences for an event until the defined horizont $this->config['horizont'] * * This methods operates in usertime, while $this->config['horizont'] is in servertime! * * @param array $event * @param mixed $start =0 minimum start-time for new recurrences or !$start = since the start of the event */ function set_recurrences($event,$start=0) { if ($this->debug && ((int) $this->debug >= 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont')) { $this->debug_message('calendar_bo::set_recurrences(%1,%2)',true,$event,$start); } // check if the caller gave us enough information and if not read it from the DB if (!isset($event['participants']) || !isset($event['start']) || !isset($event['end'])) { list(,$event_read) = each($this->so->read($event['id'])); if (!isset($event['participants'])) { $event['participants'] = $event_read['participants']; } if (!isset($event['start']) || !isset($event['end'])) { $event['start'] = $event_read['start']; $event['end'] = $event_read['end']; } } if (!$start) $start = $event['start']; $events = array(); $this->insert_all_recurrences($event,$start,$this->date2usertime($this->config['horizont']),$events); $exceptions = array(); foreach((array)$event['recur_exception'] as $exception) { $exceptions[] = Api\DateTime::to($exception, true); // true = date } foreach($events as $event) { $is_exception = in_array(Api\DateTime::to($event['start'], true), $exceptions); $start = $this->date2ts($event['start'],true); if ($event['whole_day']) { $time = $this->so->startOfDay(new Api\DateTime($event['end'], Api\DateTime::$user_timezone)); $time->setTime(23, 59, 59); $end = $this->date2ts($time,true); } else { $end = $this->date2ts($event['end'],true); } //error_log(__METHOD__."() start=".Api\DateTime::to($start).", is_exception=".array2string($is_exception)); $this->so->recurrence($event['id'], $start, $end, $event['participants'], $is_exception); } } /** * Convert data read from the db, eg. convert server to user-time * * Also make sure all timestamps comming from DB as string are converted to integer, * to avoid misinterpretation by Api\DateTime as Ymd string. * * @param array &$events array of event-arrays (reference) * @param $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format */ function db2data(&$events,$date_format='ts') { if (!is_array($events)) echo "

calendar_bo::db2data(\$events,$date_format) \$events is no array
\n".function_backtrace()."

\n"; foreach ($events as &$event) { // convert timezone id of event to tzid (iCal id like 'Europe/Berlin') if (empty($event['tzid']) && (!$event['tz_id'] || !($event['tzid'] = calendar_timezones::id2tz($event['tz_id'])))) { $event['tzid'] = Api\DateTime::$server_timezone->getName(); } // database returns timestamps as string, convert them to integer // to avoid misinterpretation by Api\DateTime as Ymd string // (this will fail on 32bit systems for times > 2038!) $event['start'] = (int)$event['start']; // this is for isWholeDay(), which also calls Api\DateTime $event['end'] = (int)$event['end']; $event['whole_day'] = self::isWholeDay($event); if ($event['whole_day'] && $date_format != 'server') { // Adjust dates to user TZ $stime =& $this->so->startOfDay(new Api\DateTime((int)$event['start'], Api\DateTime::$server_timezone), $event['tzid']); $event['start'] = Api\DateTime::to($stime, $date_format); $time =& $this->so->startOfDay(new Api\DateTime((int)$event['end'], Api\DateTime::$server_timezone), $event['tzid']); $time->setTime(23, 59, 59); $event['end'] = Api\DateTime::to($time, $date_format); if (!empty($event['recurrence'])) { $time =& $this->so->startOfDay(new Api\DateTime((int)$event['recurrence'], Api\DateTime::$server_timezone), $event['tzid']); $event['recurrence'] = Api\DateTime::to($time, $date_format); } if (!empty($event['recur_enddate'])) { $time =& $this->so->startOfDay(new Api\DateTime((int)$event['recur_enddate'], Api\DateTime::$server_timezone), $event['tzid']); $time->setTime(23, 59, 59); $event['recur_enddate'] = Api\DateTime::to($time, $date_format); } $timestamps = array('modified','created'); } else { $timestamps = array('start','end','modified','created','recur_enddate','recurrence','recur_date'); } // we convert here from the server-time timestamps to user-time and (optional) to a different date-format! foreach ($timestamps as $ts) { if (!empty($event[$ts])) { $event[$ts] = $this->date2usertime((int)$event[$ts],$date_format); } } // same with the recur exceptions if (isset($event['recur_exception']) && is_array($event['recur_exception'])) { foreach($event['recur_exception'] as &$date) { if ($event['whole_day'] && $date_format != 'server') { // Adjust dates to user TZ $time =& $this->so->startOfDay(new Api\DateTime((int)$date, Api\DateTime::$server_timezone), $event['tzid']); $date = Api\DateTime::to($time, $date_format); } else { $date = $this->date2usertime((int)$date,$date_format); } } } // same with the alarms if (isset($event['alarm']) && is_array($event['alarm'])) { foreach($event['alarm'] as &$alarm) { $alarm['time'] = $this->date2usertime((int)$alarm['time'],$date_format); } } } } /** * convert a date from server to user-time * * @param int $ts timestamp in server-time * @param string $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in server-time, 'array'=array or string with date-format * @return mixed depending of $date_format */ function date2usertime($ts,$date_format='ts') { if (empty($ts) || $date_format == 'server') return $ts; return Api\DateTime::server2user($ts,$date_format); } /** * Reads a calendar-entry * * @param int|array|string $ids id or array of id's of the entries to read, or string with a single uid * @param mixed $date =null date to specify a single event of a series * @param boolean $ignore_acl should we ignore the acl, default False for a single id, true for multiple id's * @param string $date_format ='ts' date-formats: 'ts'=timestamp, 'server'=timestamp in servertime, 'array'=array, or string with date-format * @param array|int $clear_private_infos_users =null if not null, return events with self::ACL_FREEBUSY too, * but call clear_private_infos() with the given users * @return boolean|array event or array of id => event pairs, false if the acl-check went wrong, null if $ids not found */ function read($ids,$date=null,$ignore_acl=False,$date_format='ts',$clear_private_infos_users=null) { if (!$ids) return false; if ($date) $date = $this->date2ts($date); $return = null; $check = $clear_private_infos_users ? self::ACL_FREEBUSY : Acl::READ; if ($ignore_acl || is_array($ids) || ($return = $this->check_perms($check,$ids,0,$date_format,$date))) { if (is_array($ids) || !isset(self::$cached_event['id']) || self::$cached_event['id'] != $ids || self::$cached_event_date_format != $date_format || self::$cached_event['recur_type'] != MCAL_RECUR_NONE && self::$cached_event_date != $date) { $events = $this->so->read($ids,$date ? $this->date2ts($date,true) : 0); if ($events) { $this->db2data($events,$date_format); if (is_array($ids)) { $return =& $events; } else { self::$cached_event = array_shift($events); self::$cached_event_date_format = $date_format; self::$cached_event_date = $date; $return = self::$cached_event; } } } else { $return = self::$cached_event; } } if ($clear_private_infos_users && !is_array($ids) && !$this->check_perms(Acl::READ,$return)) { $this->clear_private_infos($return, (array)$clear_private_infos_users); } if ($this->debug && ($this->debug > 1 || $this->debug == 'read')) { $this->debug_message('calendar_bo::read(%1,%2,%3,%4,%5)=%6',True,$ids,$date,$ignore_acl,$date_format,$clear_private_infos_users,$return); } return $return; } /** * Inserts all repetions of $event in the timespan between $start and $end into $events * * The new entries are just appended to $events, so $events is no longer sorted by startdate !!! * * Recurrences get calculated by rrule iterator implemented in calendar_rrule class. * * @param array $event repeating event whos repetions should be inserted * @param mixed $start start-date * @param mixed $end end-date * @param array $events where the repetions get inserted * @param array $recur_exceptions with date (in Ymd) as key (and True as values), seems not to be used anymore */ function insert_all_recurrences($event,$_start,$end,&$events) { if ((int) $this->debug >= 3 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences') { $this->debug_message(__METHOD__.'(%1,%2,%3,&$events)',true,$event,$_start,$end); } $end_in = $end; $start = $this->date2ts($_start); $event_start_ts = $this->date2ts($event['start']); $event_length = $this->date2ts($event['end']) - $event_start_ts; // we use a constant event-length, NOT a constant end-time! // if $end is before recur_enddate, use it instead if (!$event['recur_enddate'] || $this->date2ts($event['recur_enddate']) > $this->date2ts($end)) { //echo "

recur_enddate={$event['recur_enddate']}=".Api\DateTime::to($event['recur_enddate'])." > end=$end=".Api\DateTime::to($end)." --> using end instead of recur_enddate

\n"; // insert at least the event itself, if it's behind the horizont $event['recur_enddate'] = $this->date2ts($end) < $this->date2ts($event['end']) ? $event['end'] : $end; } // unset exceptions, as we need to add them as recurrence too, but marked as exception unset($event['recur_exception']); // loop over all recurrences and insert them, if they are after $start $rrule = calendar_rrule::event2rrule($event, true); // true = we operate in usertime, like the rest of calendar_bo foreach($rrule as $time) { $time->setUser(); // $time is in timezone of event, convert it to usertime used here if (($ts = $this->date2ts($time)) < $start-$event_length) { //echo "

".$time." --> ignored as $ts < $start-$event_length

\n"; continue; // to early or original event (returned by interator too) } $ts_end = $ts + $event_length; // adjust ts_end for whole day events in case it does not fit due to // spans over summer/wintertime adjusted days if($event['whole_day'] && ($arr_end = $this->date2array($ts_end)) && !($arr_end['hour'] == 23 && $arr_end['minute'] == 59 && $arr_end['second'] == 59)) { $arr_end['hour'] = 23; $arr_end['minute'] = 59; $arr_end['second'] = 59; $ts_end_guess = $this->date2ts($arr_end); if($ts_end_guess - $ts_end > DAY_s/2) { $ts_end = $ts_end_guess - DAY_s; // $ts_end_guess was one day too far in the future } else { $ts_end = $ts_end_guess; // $ts_end_guess was ok } } $event['start'] = $ts; $event['end'] = $ts_end; $events[] = $event; } if ($this->debug && ((int) $this->debug > 2 || $this->debug == 'set_recurrences' || $this->debug == 'check_move_horizont' || $this->debug == 'insert_all_recurrences')) { $event['start'] = $event_start_ts; $event['end'] = $event_start_ts + $event_length; $this->debug_message(__METHOD__.'(%1,start=%2,end=%3,events) events=%5',True,$event,$_start,$end_in,$events); } } /** * Adds one repetion of $event for $date_ymd to the $events array, after adjusting its start- and end-time * * @param array $events array in which the event gets inserted * @param array $event event to insert, it has start- and end-date of the first recurrence, not of $date_ymd * @param int|string $date_ymd of the date of the event */ function add_adjusted_event(&$events,$event,$date_ymd) { $event_in = $event; // calculate the new start- and end-time $length_s = $this->date2ts($event['end']) - $this->date2ts($event['start']); $event_start_arr = $this->date2array($event['start']); $date_arr = $this->date2array((string) $date_ymd); $date_arr['hour'] = $event_start_arr['hour']; $date_arr['minute'] = $event_start_arr['minute']; $date_arr['second'] = $event_start_arr['second']; unset($date_arr['raw']); // else date2ts would use it $event['start'] = $this->date2ts($date_arr); $event['end'] = $event['start'] + $length_s; $events[] = $event; if ($this->debug && ($this->debug > 2 || $this->debug == 'add_adjust_event')) { $this->debug_message('calendar_bo::add_adjust_event(,%1,%2) as %3',True,$event_in,$date_ymd,$event); } } /** * Fetch information about a resource * * We do some caching here, as the resource itself might not do it. * * @param string $uid string with one-letter resource-type and numerical resource-id, eg. "r19" * @return array|boolean array with keys res_id,cat_id,name,useable (name definied by max_quantity in $this->resources),rights,responsible or false if $uid is not found */ function resource_info($uid) { static $res_info_cache = array(); if (!is_scalar($uid)) throw new Api\Exception\WrongParameter(__METHOD__.'('.array2string($uid).') parameter must be scalar'); if (!isset($res_info_cache[$uid])) { if (is_numeric($uid)) { $info = array( 'res_id' => $uid, 'email' => $GLOBALS['egw']->accounts->id2name($uid,'account_email'), 'name' => trim($GLOBALS['egw']->accounts->id2name($uid,'account_firstname'). ' ' . $GLOBALS['egw']->accounts->id2name($uid,'account_lastname')), 'type' => $GLOBALS['egw']->accounts->get_type($uid), 'app' => 'accounts', ); } else { list($info) = $this->resources[$uid[0]]['info'] ? ExecMethod($this->resources[$uid[0]]['info'],substr($uid,1)) : false; if ($info) { $info['type'] = $uid[0]; if (!$info['email'] && $info['responsible']) { $info['email'] = $GLOBALS['egw']->accounts->id2name($info['responsible'],'account_email'); } $info['app'] = $this->resources[$uid[0]]['app']; } } $res_info_cache[$uid] = $info; } if ($this->debug && ($this->debug > 2 || $this->debug == 'resource_info')) { $this->debug_message('calendar_bo::resource_info(%1) = %2',True,$uid,$res_info_cache[$uid]); } return $res_info_cache[$uid]; } /** * Checks if the current user has the necessary ACL rights * * The check is performed on an event or generally on the cal of an other user * * Note: Participating in an event is considered as haveing read-access on that event, * even if you have no general read-grant from that user. * * @param int $needed necessary ACL right: Acl::{READ|EDIT|DELETE} * @param mixed $event event as array or the event-id or 0 for a general check * @param int $other uid to check (if event==0) or 0 to check against $this->user * @param string $date_format ='ts' date-format used for reading: 'ts'=timestamp, 'array'=array, 'string'=iso8601 string for xmlrpc * @param mixed $date_to_read =null date used for reading, internal param for the caching * @param int $user =null for which user to check, default current user * @return boolean true permission granted, false for permission denied or null if event not found */ function check_perms($needed,$event=0,$other=0,$date_format='ts',$date_to_read=null,$user=null) { if (!$user) $user = $this->user; if ($user == $this->user) { $grants = $this->grants; } else { $grants = $GLOBALS['egw']->acl->get_grants('calendar',true,$user); } if ($other && !is_numeric($other)) { $resource = $this->resource_info($other); return $needed & $resource['rights']; } if (is_int($event) && $event == 0) { $owner = $other ? $other : $user; } else { if (!is_array($event)) { $event = $this->read($event,$date_to_read,true,$date_format); // = no ACL check !!! } if (!is_array($event)) { if ($this->xmlrpc) { $GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['not_exist'],$GLOBALS['xmlrpcstr']['not_exist']); } return null; // event not found } $owner = $event['owner']; $private = !$event['public']; } $grant = $grants[$owner]; // now any ACL rights (but invite rights!) implicate FREEBUSY rights (at least READ has to include FREEBUSY) if ($grant & ~self::ACL_INVITE) $grant |= self::ACL_FREEBUSY; if (is_array($event) && ($needed == Acl::READ || $needed == self::ACL_FREEBUSY)) { // Check if the $user is one of the participants or has a read-grant from one of them // in that case he has an implicite READ grant for that event // if ($event['participants'] && is_array($event['participants'])) { foreach(array_keys($event['participants']) as $uid) { if ($uid == $user || $uid < 0 && in_array($user, (array)$GLOBALS['egw']->accounts->members($uid,true))) { // if we are a participant, we have an implicite FREEBUSY, READ and PRIVAT grant $grant |= self::ACL_FREEBUSY | Acl::READ | Acl::PRIVAT; break; } elseif ($grants[$uid] & Acl::READ) { // if we have a READ grant from a participant, we dont give an implicit privat grant too $grant |= Acl::READ; // we cant break here, as we might be a participant too, and would miss the privat grant } elseif (!is_numeric($uid)) { // if the owner only grants self::ACL_FREEBUSY we are not interested in the recources explicit rights if ($grant == self::ACL_FREEBUSY) continue; // if we have a resource as participant $resource = $this->resource_info($uid); $grant |= $resource['rights']; } } } } if ($GLOBALS['egw']->accounts->get_type($owner) == 'g' && $needed == Acl::ADD) { $access = False; // a group can't be the owner of an event } else { $access = $user == $owner || $grant & $needed && ($needed == self::ACL_FREEBUSY || !$private || $grant & Acl::PRIVAT); } // do NOT allow users to purge deleted events, if we dont have 'userpurge' enabled if ($access && $needed == Acl::DELETE && $event['deleted'] && !$GLOBALS['egw_info']['user']['apps']['admin'] && $GLOBALS['egw_info']['server']['calendar_delete_history'] != 'userpurge') { $access = false; } if ($this->debug && ($this->debug > 2 || $this->debug == 'check_perms')) { $this->debug_message('calendar_bo::check_perms(%1,%2,other=%3,%4,%5,user=%6)=%7',True,ACL_TYPE_IDENTIFER.$needed,$event,$other,$date_format,$date_to_read,$user,$access); } //error_log(__METHOD__."($needed,".array2string($event).",$other,...,$user) returning ".array2string($access)); return $access; } /** * Converts several date-types to a timestamp and optionally converts user- to server-time * * @param mixed $date date to convert, should be one of the following types * string (!) in form YYYYMMDD or iso8601 YYYY-MM-DDThh:mm:ss or YYYYMMDDThhmmss * int already a timestamp * array with keys 'second', 'minute', 'hour', 'day' or 'mday' (depricated !), 'month' and 'year' * @param boolean $user2server =False conversion between user- and server-time; default False == Off */ static function date2ts($date,$user2server=False) { return $user2server ? Api\DateTime::user2server($date,'ts') : Api\DateTime::to($date,'ts'); } /** * Converts a date to an array and optionally converts server- to user-time * * @param mixed $date date to convert * @param boolean $server2user conversation between user- and server-time default False == Off * @return array with keys 'second', 'minute', 'hour', 'day', 'month', 'year', 'raw' (timestamp) and 'full' (Ymd-string) */ static function date2array($date,$server2user=False) { return $server2user ? Api\DateTime::server2user($date,'array') : Api\DateTime::to($date,'array'); } /** * Converts a date as timestamp or array to a date-string and optionaly converts server- to user-time * * @param mixed $date integer timestamp or array with ('year','month',..,'second') to convert * @param boolean $server2user conversation between user- and server-time default False == Off, not used if $format ends with \Z * @param string $format ='Ymd' format of the date to return, eg. 'Y-m-d\TH:i:sO' (2005-11-01T15:30:00+0100) * @return string date formatted according to $format */ static function date2string($date,$server2user=False,$format='Ymd') { return $server2user ? Api\DateTime::server2user($date,$format) : Api\DateTime::to($date,$format); } /** * Formats a date given as timestamp or array * * @param mixed $date integer timestamp or array with ('year','month',..,'second') to convert * @param string|boolean $format ='' default common_prefs[dateformat], common_prefs[timeformat], false=time only, true=date only * @return string the formated date (incl. time) */ static function format_date($date,$format='') { return Api\DateTime::to($date,$format); } /** * Gives out a debug-message with certain parameters * * All permanent debug-messages in the calendar should be done by this function !!! * (In future they may be logged or sent as xmlrpc-faults back.) * * Permanent debug-message need to make sure NOT to give secret information like passwords !!! * * This function do NOT honor the setting of the debug variable, you may use it like * if ($this->debug > N) $this->debug_message('Error ;-)'); * * The parameters get formated depending on their type. ACL-values need a ACL_TYPE_IDENTIFER prefix. * * @param string $msg message with parameters/variables like lang(), eg. '%1' * @param boolean $backtrace =True include a function-backtrace, default True=On * should only be set to False=Off, if your code ensures a call with backtrace=On was made before !!! * @param mixed $param a variable number of parameters, to be inserted in $msg * arrays get serialized with print_r() ! */ static function debug_message($msg,$backtrace=True) { static $acl2string = array( 0 => 'ACL-UNKNOWN', Acl::READ => 'ACL_READ', Acl::ADD => 'ACL_ADD', Acl::EDIT => 'ACL_EDIT', Acl::DELETE => 'ACL_DELETE', Acl::PRIVAT => 'ACL_PRIVATE', self::ACL_FREEBUSY => 'ACL_FREEBUSY', ); for($i = 2; $i < func_num_args(); ++$i) { $param = func_get_arg($i); if (is_null($param)) { $param='NULL'; } else { switch(gettype($param)) { case 'string': if (substr($param,0,strlen(ACL_TYPE_IDENTIFER))== ACL_TYPE_IDENTIFER) { $param = (int) substr($param,strlen(ACL_TYPE_IDENTIFER)); $param = (isset($acl2string[$param]) ? $acl2string[$param] : $acl2string[0])." ($param)"; } else { $param = "'$param'"; } break; case 'EGroupware\\Api\\DateTime': case 'egw_time': case 'datetime': $p = $param; unset($param); $param = $p->format('l, Y-m-d H:i:s').' ('.$p->getTimeZone()->getName().')'; break; case 'array': case 'object': $param = array2string($param); break; case 'boolean': $param = $param ? 'True' : 'False'; break; case 'integer': if ($param >= mktime(0,0,0,1,1,2000)) $param = adodb_date('Y-m-d H:i:s',$param)." ($param)"; break; } } $msg = str_replace('%'.($i-1),$param,$msg); } error_log($msg); if ($backtrace) error_log(function_backtrace(1)); } /** * Formats one or two dates (range) as long date (full monthname), optionaly with a time * * @param mixed $_first first date * @param mixed $last =0 last date if != 0 (default) * @param boolean $display_time =false should a time be displayed too * @param boolean $display_day =false should a day-name prefix the date, eg. monday June 20, 2006 * @return string with formated date */ function long_date($_first,$last=0,$display_time=false,$display_day=false) { $first = $this->date2array($_first); if ($last) { $last = $this->date2array($last); } $datefmt = $this->common_prefs['dateformat']; $timefmt = $this->common_prefs['timeformat'] == 12 ? 'h:i a' : 'H:i'; $month_before_day = strtolower($datefmt[0]) == 'm' || strtolower($datefmt[2]) == 'm' && $datefmt[4] == 'd'; if ($display_day) { $range = lang(adodb_date('l',$first['raw'])).($this->common_prefs['dateformat'][0] != 'd' ? ' ' : ', '); } for ($i = 0; $i < 5; $i += 2) { switch($datefmt[$i]) { case 'd': $range .= $first['day'] . ($datefmt[1] == '.' ? '.' : ''); if ($first['month'] != $last['month'] || $first['year'] != $last['year']) { if (!$month_before_day) { $range .= ' '.lang(strftime('%B',$first['raw'])); } if ($first['year'] != $last['year'] && $datefmt[0] != 'Y') { $range .= ($datefmt[0] != 'd' ? ', ' : ' ') . $first['year']; } if ($display_time) { $range .= ' '.adodb_date($timefmt,$first['raw']); } if (!$last) { return $range; } $range .= ' - '; if ($first['year'] != $last['year'] && $datefmt[0] == 'Y') { $range .= $last['year'] . ', '; } if ($month_before_day) { $range .= lang(strftime('%B',$last['raw'])); } } else { if ($display_time) { $range .= ' '.adodb_date($timefmt,$first['raw']); } $range .= ' - '; } $range .= ' ' . $last['day'] . ($datefmt[1] == '.' ? '.' : ''); break; case 'm': case 'M': $range .= ' '.lang(strftime('%B',$month_before_day ? $first['raw'] : $last['raw'])) . ' '; break; case 'Y': if ($datefmt[0] != 'm') { $range .= ' ' . ($datefmt[0] == 'Y' ? $first['year'].($datefmt[2] == 'd' ? ', ' : ' ') : $last['year'].' '); } break; } } if ($display_time && $last) { $range .= ' '.adodb_date($timefmt,$last['raw']); } if ($datefmt[4] == 'Y' && $datefmt[0] == 'm') { $range .= ', ' . $last['year']; } return $range; } /** * Displays a timespan, eg. $both ? "10:00 - 13:00: 3h" (10:00 am - 1 pm: 3h) : "10:00 3h" (10:00 am 3h) * * @param int $start_m start time in minutes since 0h * @param int $end_m end time in minutes since 0h * @param boolean $both =false display the end-time too, duration is always displayed */ function timespan($start_m,$end_m,$both=false) { $duration = $end_m - $start_m; if ($end_m == 24*60-1) ++$duration; $duration = floor($duration/60).lang('h').($duration%60 ? $duration%60 : ''); $timespan = $t = Api\DateTime::to('20000101T'.sprintf('%02d',$start_m/60).sprintf('%02d',$start_m%60).'00', false); if ($both) // end-time too { $timespan .= ' - '.Api\DateTime::to('20000101T'.sprintf('%02d',$end_m/60).sprintf('%02d',$end_m%60).'00', false); // dont double am/pm if they are the same in both times if ($this->common_prefs['timeformat'] == 12 && substr($timespan,-2) == substr($t,-2)) { $timespan = str_replace($t,substr($t,0,-3),$timespan); } $timespan .= ':'; } return $timespan . ' ' . $duration; } /** * Converts a participant into a (readable) user- or resource-name * * @param string|int $id id of user or resource * @param string|boolean $use_type =false type-letter or false * @param boolean $append_email =false append email (Name ) * @return string with name */ function participant_name($id,$use_type=false, $append_email=false) { static $id2lid = array(); static $id2email = array(); if ($use_type && $use_type != 'u') $id = $use_type.$id; if (!isset($id2lid[$id])) { if (!is_numeric($id)) { $id2lid[$id] = '#'.$id; if (($info = $this->resource_info($id))) { $id2lid[$id] = $info['name'] ? $info['name'] : $info['email']; if ($info['name']) $id2email[$id] = $info['email']; } } else { $id2lid[$id] = Api\Accounts::username($id); $id2email[$id] = $GLOBALS['egw']->accounts->id2name($id,'account_email'); } } return $id2lid[$id].(($append_email || $id[0] == 'e') && $id2email[$id] ? ' <'.$id2email[$id].'>' : ''); } /** * Converts participants array of an event into array of (readable) participant-names with status * * @param array $event event-data * @param boolean $long_status =false should the long/verbose status or an icon be use * @param boolean $show_group_invitation =false show group-invitations (status == 'G') or not (default) * @return array with id / names with status pairs */ function participants($event,$long_status=false,$show_group_invitation=false) { //error_log(__METHOD__.__LINE__.array2string($event['participants'])); $names = array(); foreach((array)$event['participants'] as $id => $status) { if (!is_string($status)) continue; $quantity = $role = null; calendar_so::split_status($status,$quantity,$role); if ($status == 'G' && !$show_group_invitation) continue; // dont show group-invitation $lang_status = lang($this->verbose_status[$status]); if (!$long_status) { switch($status[0]) { case 'A': // accepted $status = Api\Html::image('calendar','accepted',$lang_status); break; case 'R': // rejected $status = Api\Html::image('calendar','rejected',$lang_status); break; case 'T': // tentative $status = Api\Html::image('calendar','tentative',$lang_status); break; case 'U': // no response = unknown $status = Api\Html::image('calendar','needs-action',$lang_status); break; case 'D': // delegated $status = Api\Html::image('calendar','forward',$lang_status); break; case 'G': // group invitation // Todo: Image, seems not to be used $status = '('.$lang_status.')'; break; } } else { $status = '('.$lang_status.')'; } $names[$id] = Api\Html::htmlspecialchars($this->participant_name($id)).($quantity > 1 ? ' ('.$quantity.')' : '').' '.$status; // add role, if not a regular participant if ($role != 'REQ-PARTICIPANT') { if (isset($this->roles[$role])) { $role = lang($this->roles[$role]); } // allow to use cats as roles (beside regular iCal ones) elseif (substr($role,0,6) == 'X-CAT-' && ($cat_id = (int)substr($role,6)) > 0) { $role = $GLOBALS['egw']->categories->id2name($cat_id); } else { $role = lang(str_replace('X-','',$role)); } $names[$id] .= ' '.$role; } } natcasesort($names); return $names; } /** * Converts category string of an event into array of (readable) category-names * * @param string $category cat-id (multiple id's commaseparated) * @param int $color color of the category, if multiple cats, the color of the last one with color is returned * @return array with id / names */ function categories($category,&$color) { static $id2cat = array(); $cats = array(); $color = 0; foreach(explode(',',$category) as $cat_id) { if (!$cat_id) continue; if (!isset($id2cat[$cat_id])) { $id2cat[$cat_id] = Api\Categories::read($cat_id); } $cat = $id2cat[$cat_id]; $parts = null; if (is_array($cat['data']) && !empty($cat['data']['color'])) { $color = $cat['data']['color']; } elseif(preg_match('/(#[0-9A-Fa-f]{6})/', $cat['description'], $parts)) { $color = $parts[1]; } $cats[$cat_id] = stripslashes($cat['name']); } return $cats; } /** * This is called only by list_cals(). It was moved here to remove fatal error in php5 beta4 */ private static function _list_cals_add($id,&$users,&$groups) { $name = Api\Accounts::username($id); if (!($egw_name = $GLOBALS['egw']->accounts->id2name($id))) { return; // do not return no longer existing accounts which eg. still mentioned in acl } if (($type = $GLOBALS['egw']->accounts->get_type($id)) == 'g') { $arr = &$groups; } else { $arr = &$users; } $arr[$id] = array( 'grantor' => $id, 'value' => ($type == 'g' ? 'g_' : '') . $id, 'name' => $name, 'sname' => $egw_name ); } /** * generate list of user- / group-calendars for the selectbox in the header * * @return array alphabeticaly sorted array with users first and then groups: array('grantor'=>$id,'value'=>['g_'.]$id,'name'=>$name) */ function list_cals() { return self::list_calendars($GLOBALS['egw_info']['user']['account_id'], $this->grants); } /** * generate list of user- / group-calendars or a given user * * @param int $user account_id of user to generate list for * @param array $grants =null calendar grants from user, or null to query them from acl class */ public static function list_calendars($user, array $grants=null) { if (is_null($grants)) $grants = $GLOBALS['egw']->acl->get_grants('calendar', true, $user); $users = $groups = array(); foreach(array_keys($grants) as $id) { self::_list_cals_add($id,$users,$groups); } if (($memberships = $GLOBALS['egw']->accounts->memberships($user, true))) { foreach($memberships as $group) { self::_list_cals_add($group,$users,$groups); if (($account_perms = $GLOBALS['egw']->acl->get_ids_for_location($group,Acl::READ,'calendar'))) { foreach($account_perms as $id) { self::_list_cals_add($id,$users,$groups); } } } } usort($users, array(__CLASS__, 'name_cmp')); usort($groups, array(__CLASS__, 'name_cmp')); return array_merge($users, $groups); // users first and then groups, both alphabeticaly } /** * Compare function for sort by value of key 'name' * * @param array $a * @param array $b * @return int */ public static function name_cmp(array $a, array $b) { return strnatcasecmp($a['name'], $b['name']); } /** * Convert the recurrence-information of an event, into a human readable string * * @param array $event * @return string */ function recure2string($event) { if (!is_array($event)) return false; return (string)calendar_rrule::event2rrule($event); } /** * Read the holidays for a given $year * * The holidays get cached in the session (performance), so changes in holidays or birthdays do NOT affect a current session!!! * * @param int $year =0 year, defaults to 0 = current year * @return array indexed with Ymd of array of holidays. A holiday is an array with the following fields: * name: string * title: optional string with description * day: numerical day in month * month: numerical month * occurence: numerical year or 0 for every year */ function read_holidays($year=0) { if (!$year) $year = (int) date('Y',$this->now_su); if (!$this->cached_holidays) // try reading the holidays from the session { $this->cached_holidays = Api\Cache::getSession('calendar', 'holidays'); } if (!isset($this->cached_holidays[$year])) { $this->cached_holidays[$year] = calendar_holidays::read( !empty($GLOBALS['egw_info']['server']['ical_holiday_url']) ? $GLOBALS['egw_info']['server']['ical_holiday_url'] : $GLOBALS['egw_info']['user']['preferences']['common']['country'], $year); // search for birthdays if ($GLOBALS['egw_info']['server']['hide_birthdays'] != 'yes') { $contacts = new Api\Contacts(); $filter = array( 'n_family' => "!''", 'bday' => "!''", ); $bdays =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'), 'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter); // search accounts too, if not stored in contacts repository $extra_accounts_search = $contacts->account_repository == 'ldap' && !is_null($contacts->so_accounts) && !$GLOBALS['egw_info']['user']['preferences']['addressbook']['hide_accounts']; if ($extra_accounts_search && ($bdays2 =& $contacts->search('',array('id','n_family','n_given','n_prefix','n_middle','bday'), 'contact_bday ASC',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter+array('owner' => 0)))) { $bdays = !$bdays ? $bdays2 : array_merge($bdays,$bdays2); } if ($bdays) { // sort by month and day only usort($bdays, function($a, $b) { return (int) $a['bday'] == (int) $b['bday'] ? strcmp($a['bday'], $b['bday']) : (int) $a['bday'] - (int) $b['bday']; }); foreach($bdays as $pers) { if (empty($pers['bday']) || $pers['bday']=='0000-00-00 0' || $pers['bday']=='0000-00-00' || $pers['bday']=='0.0.00') { //error_log(__METHOD__.__LINE__.' Skipping entry for invalid birthday:'.array2string($pers)); continue; } list($y,$m,$d) = explode('-',$pers['bday']); if ($y > $year) continue; // not yet born $this->cached_holidays[$year][sprintf('%04d%02d%02d',$year,$m,$d)][] = array( 'day' => $d, 'month' => $m, 'occurence' => 0, 'name' => lang('Birthday').' '.($pers['n_given'] ? $pers['n_given'] : $pers['n_prefix']).' '.$pers['n_middle'].' '. $pers['n_family'].($y && !$GLOBALS['egw_info']['server']['hide_birthdays'] ? ' ('.$y.')' : ''), 'birthyear' => $y, // this can be used to identify birthdays from holidays ); } } } // store holidays and birthdays in the session Api\Cache::setSession('calendar', 'holidays', $this->cached_holidays); } if ((int) $this->debug >= 2 || $this->debug == 'read_holidays') { $this->debug_message('calendar_bo::read_holidays(%1)=%2',true,$year,$this->cached_holidays[$year]); } return $this->cached_holidays[$year]; } /** * Get translated calendar event fields, presenting as link title options * * @param type $event * @return array array of selected calendar fields */ public static function get_link_options ($event = array()) { unset($event); // not used, but required by function signature $options = array ( 'end' => lang('End date'), 'id' => lang('ID'), 'owner' => lang('Event owner'), 'category' => lang('Category'), 'location' => lang('Location'), 'creator' => lang('Creator'), 'participants' => lang('Participants') ); return $options; } /** * get title for an event identified by $event * * Is called as hook to participate in the linking * * @param int|array $entry int cal_id or array with event * @param string|boolean string with title, null if not found or false if not read perms */ function link_title($event) { if (!is_array($event) && strpos($event, '-') !== false) { list($id, $recur) = explode('-', $event, 2); $event = $this->read($id, $recur); } else if (!is_array($event) && (int) $event > 0) { $event = $this->read($event); } if (!is_array($event)) { return $event; } $type = explode(',',$this->cal_prefs['link_title']); if (is_array($type)) { foreach ($type as &$val) { switch ($val) { case 'end': case 'modified': $extra_fields [$val] = $this->format_date($event[$val]); break; case 'participants': foreach (array_keys($event[$val]) as $key) { $extra_fields [$val] = Api\Accounts::id2name($key, 'account_fullname'); } break; case 'modifier': case 'creator': case 'owner': $extra_fields [$val] = Api\Accounts::id2name($event[$val], 'account_fullname'); break; default: $extra_fields [] = $event[$val]; } } $str_fields = implode(', ',$extra_fields); if (is_array($extra_fields)) return $this->format_date($event['start']) . ': ' . $event['title'] . ($str_fields? ', ' . $str_fields:''); } return $this->format_date($event['start']) . ': ' . $event['title']; } /** * query calendar for events matching $pattern * * Is called as hook to participate in the linking * * @param string $pattern pattern to search * @return array with cal_id - title pairs of the matching entries */ function link_query($pattern, Array &$options = array()) { $result = array(); $query = array( 'query' => $pattern, 'offset' => $options['start'], 'order' => 'cal_start DESC', ); if($options['num_rows']) { $query['num_rows'] = $options['num_rows']; } foreach((array) $this->search($query) as $event) { $result[$event['id']] = $this->link_title($event); } $options['total'] = $this->total; return $result; } /** * Check access to the file store * * @param int $id id of entry * @param int $check Acl::READ for read and Acl::EDIT for write or delete access * @param string $rel_path =null currently not used in calendar * @param int $user =null for which user to check, default current user * @return boolean true if access is granted or false otherwise */ function file_access($id,$check,$rel_path,$user=null) { unset($rel_path); // not used, but required by function signature return $this->check_perms($check,$id,0,'ts',null,$user); } /** * sets the default prefs, if they are not already set (on a per pref. basis) * * It sets a flag in the app-session-data to be called only once per session */ function check_set_default_prefs() { if ($this->cal_prefs['interval'] && ($set = Api\Cache::getSession('calendar', 'default_prefs_set'))) { return; } Api\Cache::setSession('calendar', 'default_prefs_set', 'set'); $default_prefs =& $GLOBALS['egw']->preferences->default['calendar']; $forced_prefs =& $GLOBALS['egw']->preferences->forced['calendar']; $subject = lang('Calendar Event') . ' - $$action$$: $$startdate$$ $$title$$'."\n"; $values = array( 'notifyAdded' => $subject . lang ('You have a meeting scheduled for %1','$$startdate$$'), 'notifyCanceled' => $subject . lang ('Your meeting scheduled for %1 has been canceled','$$startdate$$'), 'notifyModified' => $subject . lang ('Your meeting that had been scheduled for %1 has been rescheduled to %2','$$olddate$$','$$startdate$$'), 'notifyDisinvited'=> $subject . lang ('You have been disinvited from the meeting at %1','$$startdate$$'), 'notifyResponse' => $subject . lang ('On %1 %2 %3 your meeting request for %4','$$date$$','$$fullname$$','$$action$$','$$startdate$$'), 'notifyAlarm' => lang('Alarm for %1 at %2 in %3','$$title$$','$$startdate$$','$$location$$')."\n".lang ('Here is your requested alarm.'), 'interval' => 30, ); foreach($values as $var => $default) { $type = substr($var,0,6) == 'notify' ? 'forced' : 'default'; // only set, if neither default nor forced pref exists if ((!isset($default_prefs[$var]) || (string)$default_prefs[$var] === '') && (!isset($forced_prefs[$var]) || (string)$forced_prefs[$var] === '')) { $GLOBALS['egw']->preferences->add('calendar',$var,$default,'default'); // always store default, even if we have a forced too if ($type == 'forced') $GLOBALS['egw']->preferences->add('calendar',$var,$default,'forced'); $this->cal_prefs[$var] = $default; $need_save = True; } } if ($need_save) { $GLOBALS['egw']->preferences->save_repository(False,'default'); $GLOBALS['egw']->preferences->save_repository(False,'forced'); } } /** * Get the freebusy URL of a user * * @param int|string $user account_id or account_lid * @param string $pw =null password */ static function freebusy_url($user='',$pw=null) { if (is_numeric($user)) $user = $GLOBALS['egw']->accounts->id2name($user); $credentials = ''; if ($pw) { $credentials = '&password='.urlencode($pw); } elseif ($GLOBALS['egw_info']['user']['preferences']['calendar']['freebusy'] == 2) { $credentials = $GLOBALS['egw_info']['user']['account_lid'] . ':' . $GLOBALS['egw_info']['user']['passwd']; $credentials = '&cred=' . base64_encode($credentials); } return (!$GLOBALS['egw_info']['server']['webserver_url'] || $GLOBALS['egw_info']['server']['webserver_url'][0] == '/' ? ($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'] : ''). $GLOBALS['egw_info']['server']['webserver_url'].'/calendar/freebusy.php/?user='.urlencode($user).$credentials; } /** * Check if the event is the whole day * * @param array $event event * @return boolean true if whole day event, false othwerwise */ public static function isWholeDay($event) { // check if the event is the whole day $start = self::date2array($event['start']); $end = self::date2array($event['end']); return !$start['hour'] && !$start['minute'] && $end['hour'] == 23 && $end['minute'] == 59; } /** * Get the etag for an entry * * As all update routines (incl. set_status and add/delete alarms) update (series master) modified timestamp, * we do NOT need any special handling for series master anymore * * @param array|int|string $entry array with event or cal_id, or cal_id:recur_date for virtual exceptions * @param string &$schedule_tag=null on return schedule-tag (egw_cal.cal_id:egw_cal.cal_etag, no participant modifications!) * @return string|boolean string with etag or false */ function get_etag($entry, &$schedule_tag=null) { if (!is_array($entry)) { list($id,$recur_date) = explode(':',$entry); $entry = $this->read($id, $recur_date, true, 'server'); } $etag = $schedule_tag = $entry['id'].':'.$entry['etag']; $etag .= ':'.$entry['modified']; //error_log(__METHOD__ . "($entry[id],$client_share_uid_excpetions) entry=".array2string($entry)." --> etag=$etag"); return $etag; } /** * Query ctag for calendar * * @param int|string|array $user integer user-id or array of user-id's to use, defaults to the current user * @param string $filter ='owner' all (not rejected), accepted, unknown, tentative, rejected or hideprivate * @param boolean $master_only =false only check recurance master (egw_cal_user.recur_date=0) * @return integer */ public function get_ctag($user, $filter='owner', $master_only=false) { if ($this->debug > 1) $startime = microtime(true); // resolve users to add memberships for users and members for groups $users = $this->resolve_users($user); $ctag = $users ? $this->so->get_ctag($users, $filter == 'owner', $master_only) : 0; // no rights, return 0 as ctag (otherwise we get SQL error!) if ($this->debug > 1) error_log(__METHOD__. "($user, '$filter', $master_only) = $ctag = ".date('Y-m-d H:i:s',$ctag)." took ".(microtime(true)-$startime)." secs"); return $ctag; } /** * Hook for infolog to set some extra data and links * * @param array $data event-array preset by infolog plus * @param int $data[id] cal_id * @return array with key => value pairs to set in new event and link_app/link_id arrays */ function infolog_set($data) { if (!($calendar = $this->read($data['id']))) { return array(); } $content = array( 'info_cat' => $GLOBALS['egw']->categories->check_list(Acl::READ, $calendar['category']), 'info_priority' => $calendar['priority'] , 'info_public' => $calendar['public'] != 'private', 'info_subject' => $calendar['title'], 'info_des' => $calendar['description'], 'info_location' => $calendar['location'], 'info_startdate' => $calendar['range_start'], //'info_enddate' => $calendar['range_end'] ? $calendar['range_end'] : $calendar['uid'] 'info_contact' => 'calendar:'.$data['id'], ); unset($content['id']); // Add calendar link to infolog entry $content['link_app'][] = $calendar['info_link']['app']; $content['link_id'][] = $calendar['info_link']['id']; // Copy claendar's links foreach(Link::get_links('calendar',$calendar['id'],'','link_lastmod DESC',true) as $link) { if ($link['app'] != Link::VFS_APPNAME) { $content['link_app'][] = $link['app']; $content['link_id'][] = $link['id']; } if ($link['app'] == 'addressbook') // prefering contact as primary contact over calendar entry set above { $content['info_contact'] = 'addressbook:'.$link['id']; } } // Copy same custom fields foreach(array_keys(Api\Storage\Customfields::get('infolog')) as $name) { if ($this->customfields[$name]) $content['#'.$name] = $calendar['#'.$name]; } //error_log(__METHOD__.'('.array2string($data).') calendar='.array2string($calendar).' returning '.array2string($content)); return $content; } /** * Hook for timesheet to set some extra data and links * * @param array $data * @param int $data[id] cal_id:recurrence * @return array with key => value pairs to set in new timesheet and link_app/link_id arrays */ function timesheet_set($data) { $set = array(); list($id,$recurrence) = explode(':',$data['id']); if ((int)$id && ($event = $this->read($id,$recurrence))) { $set['ts_start'] = $event['start']; $set['ts_title'] = $this->link_title($event); $set['start_time'] = Api\DateTime::to($event['start'],'H:i'); $set['ts_description'] = $event['description']; if ($this->isWholeDay($event)) $event['end']++; // whole day events are 1sec short $set['ts_duration'] = ($event['end'] - $event['start']) / 60; $set['ts_quantity'] = ($event['end'] - $event['start']) / 3600; $set['end_time'] = null; // unset end-time $set['cat_id'] = (int)$event['category']; foreach(Link::get_links('calendar',$id,'','link_lastmod DESC',true) as $link) { if ($link['app'] != 'timesheet' && $link['app'] != Link::VFS_APPNAME) { $set['link_app'][] = $link['app']; $set['link_id'][] = $link['id']; } } } return $set; } }