nextcloud/lib/private/Comments/Comment.php

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<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Joas Schilling <coding@schilljs.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Comments;
use OCP\Comments\IComment;
use OCP\Comments\IllegalIDChangeException;
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use OCP\Comments\MessageTooLongException;
class Comment implements IComment {
protected $data = [
'id' => '',
'parentId' => '0',
'topmostParentId' => '0',
'childrenCount' => '0',
'message' => '',
'verb' => '',
'actorType' => '',
'actorId' => '',
'objectType' => '',
'objectId' => '',
'creationDT' => null,
'latestChildDT' => null,
];
/**
* Comment constructor.
*
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* @param array $data optional, array with keys according to column names from
* the comments database scheme
*/
public function __construct(array $data = null) {
if(is_array($data)) {
$this->fromArray($data);
}
}
/**
* returns the ID of the comment
*
* It may return an empty string, if the comment was not stored.
* It is expected that the concrete Comment implementation gives an ID
* by itself (e.g. after saving).
*
* @return string
* @since 9.0.0
*/
public function getId() {
return $this->data['id'];
}
/**
* sets the ID of the comment and returns itself
*
* It is only allowed to set the ID only, if the current id is an empty
* string (which means it is not stored in a database, storage or whatever
* the concrete implementation does), or vice versa. Changing a given ID is
* not permitted and must result in an IllegalIDChangeException.
*
* @param string $id
* @return IComment
* @throws IllegalIDChangeException
* @since 9.0.0
*/
public function setId($id) {
if(!is_string($id)) {
throw new \InvalidArgumentException('String expected.');
}
$id = trim($id);
if($this->data['id'] === '' || ($this->data['id'] !== '' && $id === '')) {
$this->data['id'] = $id;
return $this;
}
throw new IllegalIDChangeException('Not allowed to assign a new ID to an already saved comment.');
}
/**
* returns the parent ID of the comment
*
* @return string
* @since 9.0.0
*/
public function getParentId() {
return $this->data['parentId'];
}
/**
* sets the parent ID and returns itself
*
* @param string $parentId
* @return IComment
* @since 9.0.0
*/
public function setParentId($parentId) {
if(!is_string($parentId)) {
throw new \InvalidArgumentException('String expected.');
}
$this->data['parentId'] = trim($parentId);
return $this;
}
/**
* returns the topmost parent ID of the comment
*
* @return string
* @since 9.0.0
*/
public function getTopmostParentId() {
return $this->data['topmostParentId'];
}
/**
* sets the topmost parent ID and returns itself
*
* @param string $id
* @return IComment
* @since 9.0.0
*/
public function setTopmostParentId($id) {
if(!is_string($id)) {
throw new \InvalidArgumentException('String expected.');
}
$this->data['topmostParentId'] = trim($id);
return $this;
}
/**
* returns the number of children
*
* @return int
* @since 9.0.0
*/
public function getChildrenCount() {
return $this->data['childrenCount'];
}
/**
* sets the number of children
*
* @param int $count
* @return IComment
* @since 9.0.0
*/
public function setChildrenCount($count) {
if(!is_int($count)) {
throw new \InvalidArgumentException('Integer expected.');
}
$this->data['childrenCount'] = $count;
return $this;
}
/**
* returns the message of the comment
*
* @return string
* @since 9.0.0
*/
public function getMessage() {
return $this->data['message'];
}
/**
* sets the message of the comment and returns itself
*
* @param string $message
* @param int $maxLength
* @return IComment
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* @throws MessageTooLongException
* @since 9.0.0
*/
public function setMessage($message, $maxLength = self::MAX_MESSAGE_LENGTH) {
if(!is_string($message)) {
throw new \InvalidArgumentException('String expected.');
}
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$message = trim($message);
if ($maxLength && mb_strlen($message, 'UTF-8') > $maxLength) {
throw new MessageTooLongException('Comment message must not exceed ' . $maxLength. ' characters');
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}
$this->data['message'] = $message;
return $this;
}
/**
* returns an array containing mentions that are included in the comment
*
* @return array each mention provides a 'type' and an 'id', see example below
* @since 11.0.0
*
* The return array looks like:
* [
* [
* 'type' => 'user',
* 'id' => 'citizen4'
* ],
* [
* 'type' => 'group',
* 'id' => 'media'
* ],
*
* ]
*
*/
public function getMentions() {
$ok = preg_match_all("/\B(?<![^a-z0-9_\-@\.\'\s])@(\"guest\/[a-f0-9]+\"|\"[a-z0-9_\-@\.\' ]+\"|[a-z0-9_\-@\.\']+)/i", $this->getMessage(), $mentions);
if(!$ok || !isset($mentions[0]) || !is_array($mentions[0])) {
return [];
}
$uids = array_unique($mentions[0]);
$result = [];
foreach ($uids as $uid) {
$cleanUid = trim(substr($uid, 1), '"');
if (strpos($cleanUid, 'guest/') === 0) {
$result[] = ['type' => 'guest', 'id' => $cleanUid];
} else {
$result[] = ['type' => 'user', 'id' => $cleanUid];
}
}
return $result;
}
/**
* returns the verb of the comment
*
* @return string
* @since 9.0.0
*/
public function getVerb() {
return $this->data['verb'];
}
/**
* sets the verb of the comment, e.g. 'comment' or 'like'
*
* @param string $verb
* @return IComment
* @since 9.0.0
*/
public function setVerb($verb) {
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if(!is_string($verb) || !trim($verb)) {
throw new \InvalidArgumentException('Non-empty String expected.');
}
$this->data['verb'] = trim($verb);
return $this;
}
/**
* returns the actor type
*
* @return string
* @since 9.0.0
*/
public function getActorType() {
return $this->data['actorType'];
}
/**
* returns the actor ID
*
* @return string
* @since 9.0.0
*/
public function getActorId() {
return $this->data['actorId'];
}
/**
* sets (overwrites) the actor type and id
*
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* @param string $actorType e.g. 'users'
* @param string $actorId e.g. 'zombie234'
* @return IComment
* @since 9.0.0
*/
public function setActor($actorType, $actorId) {
if(
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!is_string($actorType) || !trim($actorType)
|| !is_string($actorId) || !trim($actorId)
) {
throw new \InvalidArgumentException('String expected.');
}
$this->data['actorType'] = trim($actorType);
$this->data['actorId'] = trim($actorId);
return $this;
}
/**
* returns the creation date of the comment.
*
* If not explicitly set, it shall default to the time of initialization.
*
* @return \DateTime
* @since 9.0.0
*/
public function getCreationDateTime() {
return $this->data['creationDT'];
}
/**
* sets the creation date of the comment and returns itself
*
* @param \DateTime $timestamp
* @return IComment
* @since 9.0.0
*/
public function setCreationDateTime(\DateTime $timestamp) {
$this->data['creationDT'] = $timestamp;
return $this;
}
/**
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* returns the DateTime of the most recent child, if set, otherwise null
*
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* @return \DateTime|null
* @since 9.0.0
*/
public function getLatestChildDateTime() {
return $this->data['latestChildDT'];
}
/**
* sets the date of the most recent child
*
* @param \DateTime $dateTime
* @return IComment
* @since 9.0.0
*/
public function setLatestChildDateTime(\DateTime $dateTime = null) {
$this->data['latestChildDT'] = $dateTime;
return $this;
}
/**
* returns the object type the comment is attached to
*
* @return string
* @since 9.0.0
*/
public function getObjectType() {
return $this->data['objectType'];
}
/**
* returns the object id the comment is attached to
*
* @return string
* @since 9.0.0
*/
public function getObjectId() {
return $this->data['objectId'];
}
/**
* sets (overwrites) the object of the comment
*
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* @param string $objectType e.g. 'files'
* @param string $objectId e.g. '16435'
* @return IComment
* @since 9.0.0
*/
public function setObject($objectType, $objectId) {
if(
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!is_string($objectType) || !trim($objectType)
|| !is_string($objectId) || !trim($objectId)
) {
throw new \InvalidArgumentException('String expected.');
}
$this->data['objectType'] = trim($objectType);
$this->data['objectId'] = trim($objectId);
return $this;
}
/**
* sets the comment data based on an array with keys as taken from the
* database.
*
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* @param array $data
* @return IComment
*/
protected function fromArray($data) {
foreach(array_keys($data) as $key) {
// translate DB keys to internal setter names
$setter = 'set' . implode('', array_map('ucfirst', explode('_', $key)));
$setter = str_replace('Timestamp', 'DateTime', $setter);
if(method_exists($this, $setter)) {
$this->$setter($data[$key]);
}
}
foreach(['actor', 'object'] as $role) {
if(isset($data[$role . '_type']) && isset($data[$role . '_id'])) {
$setter = 'set' . ucfirst($role);
$this->$setter($data[$role . '_type'], $data[$role . '_id']);
}
}
return $this;
}
}