+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, Control Yourself, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('GNUSOCIAL')) { exit(1); }
+
+/**
+ * Table Definition for deleted_notice
+ */
+
+class Deleted_notice extends Managed_DataObject
+{
+ public $__table = 'deleted_notice'; // table name
+ public $id; // int(4) primary_key not_null
+ public $profile_id; // int(4) not_null
+ public $uri; // varchar(191) unique_key not 255 because utf8mb4 takes more space
+ public $act_uri; // varchar(191) unique_key not 255 because utf8mb4 takes more space
+ public $created; // datetime() not_null
+ public $deleted; // datetime() not_null
+
+ public static function schemaDef()
+ {
+ return array(
+ 'fields' => array(
+ 'id' => array('type' => 'int', 'not null' => true, 'description' => 'identity of notice'),
+ 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'author of the notice'),
+ 'uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI of the deleted notice'),
+ 'act_uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI of the delete activity, may exist in notice table'),
+ 'act_created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date the notice record was created'),
+ 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date the notice record was deleted'),
+ ),
+ 'primary key' => array('id'),
+ 'unique keys' => array(
+ 'deleted_notice_act_uri_key' => array('act_uri'),
+ ),
+ 'indexes' => array(
+ 'deleted_notice_profile_id_idx' => array('profile_id'),
+ ),
+ );
+ }
+
+ public static function addNew(Notice $notice)
+ {
+ $actor = $notice->getProfile();
+
+ if ($actor->hasRole(Profile_role::DELETED)) {
+ // Don't emit notices if the user is deleted
+ return true;
+ }
+
+ $act = new Activity();
+ $act->type = ActivityObject::ACTIVITY;
+ $act->verb = ActivityVerb::DELETE;
+ $act->time = time();
+ $act->id = TagURI::mint('deleted_notice:%d:%d:%s',
+ $actor->getID(),
+ $notice->getID(),
+ common_date_iso8601(common_sql_now()));
+
+ $act->content = sprintf(_m('<a href="%1$s">%2$s</a> deleted notice <a href="%3$s">{{%4$s}}</a>.'),
+ htmlspecialchars($actor->getUrl()),
+ htmlspecialchars($actor->getBestName()),
+ htmlspecialchars($notice->getUrl()),
+ htmlspecialchars($notice->getUri())
+ );
+
+ $act->actor = $actor->asActivityObject();
+ $act->target = new ActivityObject();
+ $act->target->id = $notice->getUri();
+ $act->objects = array(clone($act->target));
+
+ $url = $notice->getUrl();
+ $act->selfLink = $url;
+ $act->editLink = $url;
+
+ // This will make ActivityModeration run saveObjectFromActivity which adds
+ // a new Deleted_notice entry in the database as well as deletes the notice
+ // if the actor has permission to do so.
+ $stored = Notice::saveActivity($act, $actor);
+
+ return $stored;
+ }
+
+ static public function fromStored(Notice $stored)
+ {
+ $class = get_called_class();
+ $object = new $class;
+ $object->act_uri = $stored->getUri();
+ if (!$object->find(true)) {
+ throw new NoResultException($object);
+ }
+ return $object;
+ }
+
+ public function getActor()
+ {
+ return Profile::getByID($this->profile_id);
+ }
+
+ static public function getObjectType()
+ {
+ return 'activity';
+ }
+
+ protected $_stored = array();
+
+ public function getStored()
+ {
+ $uri = $this->getTargetUri();
+ if (!isset($this->_stored[$uri])) {
+ $stored = new Notice();
+ $stored->uri = $uri;
+ if (!$stored->find(true)) {
+ throw new NoResultException($stored);
+ }
+ $this->_stored[$uri] = $stored;
+ }
+ return $this->_stored[$uri];
+ }
+
+ public function getTargetUri()
+ {
+ return $this->uri;
+ }
+
+ public function getUri()
+ {
+ return $this->act_uri;
+ }
+
+ public function asActivityObject(Profile $scoped=null)
+ {
+ $actobj = new ActivityObject();
+ $actobj->id = $this->getUri();
+ $actobj->type = ActivityUtils::resolveUri(self::getObjectType());
+ $actobj->actor = $this->getActorObject();
+ $actobj->target = new ActivityObject();
+ $actobj->target->id = $this->getTargetUri();
+ $actobj->objects = array(clone($actobj->target));
+ $actobj->verb = ActivityVerb::DELETE;
+ $actobj->title = ActivityUtils::verbToTitle($actobj->verb);
+
+ $actor = $this->getActor();
+ $actobj->content = sprintf(_m('<a href="%1$s">%2$s</a> deleted notice {{%3$s}}.'),
+ htmlspecialchars($actor->getUrl()),
+ htmlspecialchars($actor->getBestName()),
+ htmlspecialchars($actor->getTargetUri())
+ );
+
+ return $actobj;
+ }
+
+ static function newUri(Profile $actor, Managed_DataObject $object, $created=null)
+ {
+ if (is_null($created)) {
+ $created = common_sql_now();
+ }
+ return TagURI::mint(strtolower(get_called_class()).':%d:%s:%d:%s',
+ $actor->getID(),
+ ActivityUtils::resolveUri(self::getObjectType(), true),
+ $object->getID(),
+ common_date_iso8601($created));
+ }
+
+ static public function beforeSchemaUpdate()
+ {
+ $table = strtolower(get_called_class());
+ $schema = Schema::get();
+ $schemadef = $schema->getTableDef($table);
+
+ // 2015-10-03 We change the meaning of the 'uri' field and move its
+ // content to the 'act_uri' for the deleted activity. act_created is
+ // added too.
+ if (isset($schemadef['fields']['act_uri'])) {
+ // We already have the act_uri field, so no need to migrate to it.
+ return;
+ }
+ echo "\nFound old $table table, upgrading it to contain 'act_uri' and 'act_created' field...";
+
+ $schemadef['fields']['act_uri'] = array('type' => 'varchar', 'not null' => true, 'length' => 191, 'description' => 'URI of the delete activity, may exist in notice table');
+ $schemadef['fields']['act_created'] = array('type' => 'datetime', 'not null' => true, 'description' => 'date the notice record was created');
+ unset($schemadef['unique keys']);
+ $schema->ensureTable($table, $schemadef);
+
+ $deleted = new Deleted_notice();
+ $result = $deleted->find();
+ if ($result === false) {
+ print "\nFound no deleted_notice entries, continuing...";
+ return true;
+ }
+ print "\nFound $result deleted_notice entries, aligning with new database layout: ";
+ while($deleted->fetch()) {
+ $orig = clone($deleted);
+ $deleted->act_uri = $deleted->uri;
+ // this is a fake URI just to have something to put there to avoid NULL
+ $deleted->uri = TagURI::mint(strtolower(get_called_class()).':%d:%s:%s:%s',
+ $deleted->profile_id,
+ ActivityUtils::resolveUri(self::getObjectType(), true),
+ 'unknown',
+ common_date_iso8601($deleted->created));
+ $deleted->act_created = $deleted->created; // we don't actually know when the notice was created
+ $deleted->updateWithKeys($orig, 'id');
+ print ".";
+ }
+ print "DONE.\n";
+ print "Resuming core schema upgrade...";
+ }
+
+}