forked from GNUsocial/gnu-social
413 lines
14 KiB
PHP
413 lines
14 KiB
PHP
<?php
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/**
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* Data class for event RSVPs
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*
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* PHP version 5
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*
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* @category Data
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* Data class for event RSVPs
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*
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* @category Event
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* @see Managed_DataObject
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*/
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class RSVP extends Managed_DataObject
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{
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const POSITIVE = 'http://activitystrea.ms/schema/1.0/rsvp-yes';
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const POSSIBLE = 'http://activitystrea.ms/schema/1.0/rsvp-maybe';
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const NEGATIVE = 'http://activitystrea.ms/schema/1.0/rsvp-no';
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public $__table = 'rsvp'; // table name
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public $id; // varchar(36) UUID
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public $uri; // varchar(191) not 255 because utf8mb4 takes more space
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public $profile_id; // int
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public $event_uri; // varchar(191) not 255 because utf8mb4 takes more space
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public $response; // tinyint
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public $created; // datetime
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/**
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* The One True Thingy that must be defined and declared.
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*/
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public static function schemaDef()
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{
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return array(
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'description' => 'Plan to attend event',
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'fields' => array(
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'id' => array('type' => 'char',
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'length' => 36,
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'not null' => true,
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'description' => 'UUID'),
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'uri' => array('type' => 'varchar',
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'length' => 191,
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'not null' => true),
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'profile_id' => array('type' => 'int'),
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'event_uri' => array('type' => 'varchar',
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'length' => 191,
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'not null' => true,
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'description' => 'Event URI'),
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'response' => array('type' => 'char',
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'length' => '1',
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'description' => 'Y, N, or ? for three-state yes, no, maybe'),
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'created' => array('type' => 'datetime',
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'not null' => true),
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),
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'primary key' => array('id'),
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'unique keys' => array(
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'rsvp_uri_key' => array('uri'),
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'rsvp_profile_event_key' => array('profile_id', 'event_uri'),
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),
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'foreign keys' => array('rsvp_event_uri_key' => array('happening', array('event_uri' => 'uri')),
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'rsvp_profile_id__key' => array('profile', array('profile_id' => 'id'))),
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'indexes' => array('rsvp_created_idx' => array('created')),
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);
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}
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static public function beforeSchemaUpdate()
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{
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$table = strtolower(get_called_class());
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$schema = Schema::get();
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$schemadef = $schema->getTableDef($table);
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// 2015-12-31 RSVPs refer to Happening by event_uri now, not event_id. Let's migrate!
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if (isset($schemadef['fields']['event_uri'])) {
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// We seem to have already migrated, good!
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return;
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}
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// this is a "normal" upgrade from StatusNet for example
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echo "\nFound old $table table, upgrading it to add 'event_uri' field...";
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$schemadef['fields']['event_uri'] = array('type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'Event URI');
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$schema->ensureTable($table, $schemadef);
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$rsvp = new RSVP();
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$rsvp->find();
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while ($rsvp->fetch()) {
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$event = Happening::getKV('id', $rsvp->event_id);
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if (!$event instanceof Happening) {
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$rsvp->delete();
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continue;
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}
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$orig = clone($rsvp);
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$rsvp->event_uri = $event->uri;
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$rsvp->updateWithKeys($orig);
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}
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print "DONE.\n";
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print "Resuming core schema upgrade...";
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}
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static function saveActivityObject(Activity $act, Notice $stored)
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{
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$target = Notice::getByKeys(array('uri'=>$act->target->id));
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if (!ActivityUtils::compareTypes($target->getObjectType(), [ Happening::OBJECT_TYPE ])) {
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throw new ClientException('RSVP not aimed at a Happening');
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}
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// FIXME: Maybe we need some permission handling here, though I think it's taken care of in saveActivity?
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try {
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$other = RSVP::getByKeys( [ 'profile_id' => $stored->getProfile()->getID(),
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'event_uri' => $target->getUri(),
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] );
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// TRANS: Client exception thrown when trying to save an already existing RSVP ("please respond").
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throw new AlreadyFulfilledException(_m('RSVP already exists.'));
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} catch (NoResultException $e) {
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// No previous RSVP, so go ahead and add.
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}
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$rsvp = new RSVP();
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$rsvp->id = UUID::gen(); // remove this
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$rsvp->uri = $stored->getUri();
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$rsvp->profile_id = $stored->getProfile()->getID();
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$rsvp->event_uri = $target->getUri();
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$rsvp->response = self::codeFor($stored->getVerb());
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$rsvp->created = $stored->getCreated();
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$rsvp->insert();
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self::blow('rsvp:for-event:%s', $target->getUri());
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return $rsvp;
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}
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static public function getObjectType()
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{
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return ActivityObject::ACTIVITY;
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}
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public function asActivityObject()
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{
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$happening = $this->getEvent();
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$actobj = new ActivityObject();
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$actobj->id = $this->getUri();
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$actobj->type = self::getObjectType();
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$actobj->title = $this->asString();
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$actobj->content = $this->asString();
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$actobj->target = array($happening->asActivityObject());
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return $actobj;
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}
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static function codeFor($verb)
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{
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switch (true) {
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case ActivityUtils::compareVerbs($verb, [RSVP::POSITIVE]):
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return 'Y';
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break;
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case ActivityUtils::compareVerbs($verb, [RSVP::NEGATIVE]):
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return 'N';
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break;
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case ActivityUtils::compareVerbs($verb, [RSVP::POSSIBLE]):
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return '?';
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break;
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default:
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// TRANS: Exception thrown when requesting an undefined verb for RSVP.
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throw new Exception(sprintf(_m('Unknown verb "%s".'),$verb));
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}
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}
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static function verbFor($code)
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{
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switch ($code) {
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case 'Y':
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case 'yes':
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return RSVP::POSITIVE;
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break;
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case 'N':
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case 'no':
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return RSVP::NEGATIVE;
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break;
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case '?':
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case 'maybe':
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return RSVP::POSSIBLE;
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break;
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default:
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// TRANS: Exception thrown when requesting an undefined code for RSVP.
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throw new ClientException(sprintf(_m('Unknown code "%s".'), $code));
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}
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}
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public function getUri()
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{
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return $this->uri;
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}
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public function getEventUri()
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{
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return $this->event_uri;
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}
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public function getStored()
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{
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return Notice::getByKeys(['uri' => $this->getUri()]);
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}
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static function fromStored(Notice $stored)
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{
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return self::getByKeys(['uri' => $stored->getUri()]);
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}
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static function byEventAndActor(Happening $event, Profile $actor)
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{
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return self::getByKeys(['event_uri' => $event->getUri(),
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'profile_id' => $actor->getID()]);
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}
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static function forEvent(Happening $event)
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{
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$keypart = sprintf('rsvp:for-event:%s', $event->getUri());
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$idstr = self::cacheGet($keypart);
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if ($idstr !== false) {
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$ids = explode(',', $idstr);
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} else {
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$ids = array();
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$rsvp = new RSVP();
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$rsvp->selectAdd();
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$rsvp->selectAdd('id');
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$rsvp->event_uri = $event->getUri();
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if ($rsvp->find()) {
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while ($rsvp->fetch()) {
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$ids[] = $rsvp->id;
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}
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}
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self::cacheSet($keypart, implode(',', $ids));
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}
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$rsvps = array(RSVP::POSITIVE => array(),
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RSVP::NEGATIVE => array(),
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RSVP::POSSIBLE => array());
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foreach ($ids as $id) {
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$rsvp = RSVP::getKV('id', $id);
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if (!empty($rsvp)) {
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$verb = self::verbFor($rsvp->response);
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$rsvps[$verb][] = $rsvp;
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}
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}
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return $rsvps;
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}
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function getProfile()
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{
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return Profile::getByID($this->profile_id);
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}
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function getEvent()
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{
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return Happening::getByKeys(['uri' => $this->getEventUri()]);
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}
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function asHTML()
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{
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return self::toHTML($this->getProfile(),
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$this->getEvent(),
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$this->response);
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}
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function asString()
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{
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return self::toString($this->getProfile(),
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$this->getEvent(),
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$this->response);
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}
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static function toHTML(Profile $profile, Happening $event, $response)
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{
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$fmt = null;
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switch ($response) {
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case 'Y':
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// TRANS: HTML version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile URL, %2$s a profile name,
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// TRANS: %3$s is an event URL, %4$s an event title.
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$fmt = _m("<span class='automatic event-rsvp'><a href='%1\$s'>%2\$s</a> is attending <a href='%3\$s'>%4\$s</a>.</span>");
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break;
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case 'N':
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// TRANS: HTML version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile URL, %2$s a profile name,
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// TRANS: %3$s is an event URL, %4$s an event title.
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$fmt = _m("<span class='automatic event-rsvp'><a href='%1\$s'>%2\$s</a> is not attending <a href='%3\$s'>%4\$s</a>.</span>");
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break;
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case '?':
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// TRANS: HTML version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile URL, %2$s a profile name,
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// TRANS: %3$s is an event URL, %4$s an event title.
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$fmt = _m("<span class='automatic event-rsvp'><a href='%1\$s'>%2\$s</a> might attend <a href='%3\$s'>%4\$s</a>.</span>");
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break;
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default:
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// TRANS: Exception thrown when requesting a user's RSVP status for a non-existing response code.
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// TRANS: %s is the non-existing response code.
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throw new Exception(sprintf(_m('Unknown response code %s.'),$response));
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}
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if (empty($event)) {
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$eventUrl = '#';
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// TRANS: Used as event title when not event title is available.
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// TRANS: Used as: Username [is [not ] attending|might attend] an unknown event.
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$eventTitle = _m('an unknown event');
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} else {
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$eventUrl = $event->getStored()->getUrl();
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$eventTitle = $event->title;
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}
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return sprintf($fmt,
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htmlspecialchars($profile->getUrl()),
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htmlspecialchars($profile->getBestName()),
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htmlspecialchars($eventUrl),
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htmlspecialchars($eventTitle));
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}
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static function toString($profile, $event, $response)
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{
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$fmt = null;
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switch ($response) {
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case 'Y':
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// TRANS: Plain text version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile name, %2$s is an event title.
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$fmt = _m('%1$s is attending %2$s.');
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break;
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case 'N':
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// TRANS: Plain text version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile name, %2$s is an event title.
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$fmt = _m('%1$s is not attending %2$s.');
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break;
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case '?':
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// TRANS: Plain text version of an RSVP ("please respond") status for a user.
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// TRANS: %1$s is a profile name, %2$s is an event title.
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$fmt = _m('%1$s might attend %2$s.');
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break;
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default:
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// TRANS: Exception thrown when requesting a user's RSVP status for a non-existing response code.
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// TRANS: %s is the non-existing response code.
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throw new Exception(sprintf(_m('Unknown response code %s.'),$response));
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break;
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}
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if (empty($event)) {
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// TRANS: Used as event title when not event title is available.
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// TRANS: Used as: Username [is [not ] attending|might attend] an unknown event.
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$eventTitle = _m('an unknown event');
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} else {
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$eventTitle = $event->title;
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}
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return sprintf($fmt,
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$profile->getBestName(),
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$eventTitle);
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}
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public function delete($useWhere=false)
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{
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self::blow('rsvp:for-event:%s', $this->id);
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return parent::delete($useWhere);
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}
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public function insert()
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{
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$result = parent::insert();
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if ($result === false) {
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common_log_db_error($this, 'INSERT', __FILE__);
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throw new ServerException(_('Failed to insert '._ve(get_called_class()).' into database'));
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}
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return $result;
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}
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}
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