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<?php |
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/** |
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* @package org.openpsa.calendar |
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* @author The Midgard Project, http://www.midgard-project.org |
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* @copyright The Midgard Project, http://www.midgard-project.org |
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* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License |
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*/ |
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use Sabre\VObject\Reader; |
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use Doctrine\ORM\Query\Expr\Join; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* Calendar ical handler |
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* |
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* @package org.openpsa.calendar |
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*/ |
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class org_openpsa_calendar_handler_ical extends midcom_baseclasses_components_handler |
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{ |
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/** |
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* @var midcom_db_person |
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*/ |
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private $person; |
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/** |
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* @return org_openpsa_calendar_event_dba[] |
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*/ |
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private function get_events() : array |
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{ |
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$root_event = org_openpsa_calendar_interface::find_root_event(); |
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$qb = org_openpsa_calendar_event_dba::new_query_builder(); |
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$qb->get_doctrine() |
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->leftJoin('org_openpsa_eventmember', 'm', Join::WITH, 'm.eid = c.id') |
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->where('m.uid = :uid') |
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->setParameter('uid', $this->person->id); |
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$qb->add_constraint('up', '=', $root_event->id); |
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// Display events two weeks back |
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$qb->add_constraint('start', '>', strtotime('14 days ago')); |
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$qb->add_order('start', 'ASC'); |
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return $qb->execute(); |
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} |
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/** |
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* iCal feed of uses events |
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* |
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* HTTP-Basic authenticated, requires valid user, normal ACL restrictions apply |
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*/ |
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public function _handler_user_events(Request $request, string $username) |
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{ |
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midcom::get()->auth->require_valid_user('basic'); |
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$this->find_person_by_name($username); |
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if ($request->getMethod() === 'PUT') { |
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$this->update($request->getContent()); |
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} |
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$encoder = new org_openpsa_calendar_vcal; |
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array_map([$encoder, 'add_event'], $this->get_events()); |
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return new Response($encoder, Response::HTTP_OK, [ |
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'Content-Type' => 'text/calendar' |
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]); |
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} |
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private function update(string $input) |
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{ |
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$vcalendar = Reader::read($input); |
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if (!$vcalendar->select('VEVENT')) { |
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return; |
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} |
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foreach ($vcalendar->select('VEVENT') as $vevent) { |
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$event = $this->find_event((string) $vevent->UID); |
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$event->title = (string) $vevent->SUMMARY; |
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$event->description = (string) $vevent->DESCRIPTION; |
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$event->location = (string) $vevent->LOCATION; |
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$event->busy = (string) $vevent->TRANSP == 'OPAQUE'; |
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$start = new DateTime((string) $vevent->DTSTART); |
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$event->start = (int) $start->format('U'); |
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$end = new DateTime((string) $vevent->DTEND); |
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$event->end = (int) $end->format('U'); |
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if ($event->id) { |
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$event->update(); |
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} else { |
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$event->create(); |
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$member = new org_openpsa_calendar_event_member_dba; |
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$member->eid = $event->id; |
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$member->uid = $this->person->id; |
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$member->create(); |
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} |
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} |
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} |
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private function find_event(string $uid) : org_openpsa_calendar_event_dba |
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{ |
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if (str_ends_with($uid, '-midgardGuid')) { |
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return new org_openpsa_calendar_event_dba(substr($uid, 0, -12)); |
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} |
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$qb = org_openpsa_calendar_event_dba::new_query_builder(); |
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$qb->add_constraint('externalGuid', '=', $uid); |
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if ($result = $qb->execute()) { |
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return $result[0]; |
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} |
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$event = new org_openpsa_calendar_event_dba; |
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$event->externalGuid = $uid; |
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$root_event = org_openpsa_calendar_interface::find_root_event(); |
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$root_event->require_do('midgard:create'); |
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$event->up = $root_event->id; |
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return $event; |
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} |
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/** |
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* Finds a person by username |
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*/ |
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private function find_person_by_name(string $username) |
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{ |
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$username = preg_replace('/\.[iv]cs$/', '', $username); |
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if (empty($username)) { |
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throw new midcom_error('Username missing'); |
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} |
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$qb = midcom_db_person::new_query_builder(); |
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midcom_core_account::add_username_constraint($qb, '=', $username); |
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midcom::get()->auth->request_sudo($this->_component); |
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$persons = $qb->execute(); |
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midcom::get()->auth->drop_sudo(); |
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if (empty($persons)) { |
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throw new midcom_error_notfound('Could not find person with username ' . $username); |
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} |
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$this->person = $persons[0]; |
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} |
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/** |
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* Publicly available iCal feed indicating user when is busy |
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* |
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* Most values are stripped before display |
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*/ |
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public function _handler_user_busy(string $username) |
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{ |
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$this->find_person_by_name($username); |
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$encoder = new org_openpsa_calendar_vcal; |
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foreach ($this->get_events() as $event) { |
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// clear all data not absolutely required for busy listing |
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foreach ($event->get_properties() as $fieldname) { |
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if ($fieldname == 'title') { |
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$event->title = $this->_l10n->get('busy'); |
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} elseif (is_array($event->$fieldname)) { |
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$event->$fieldname = []; |
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} elseif (!in_array($fieldname, ['metadata', 'guid', 'start', 'end'])) { |
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$event->$fieldname = ''; |
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} |
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} |
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// Only display the requested user as participant |
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$event->participants[$this->person->id] = true; |
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// Always force busy in this view |
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$event->busy = true; |
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$encoder->add_event($event); |
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} |
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return new Response($encoder, Response::HTTP_OK, [ |
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'Content-Type' => 'text/calendar' |
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]); |
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} |
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} |
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flack /
openpsa
