server/apps/comments/lib/Activity/Extension.php

329 lines
8.9 KiB
PHP

<?php
/**
* @author Joas Schilling <nickvergessen@owncloud.com>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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 OCA\Comments\Activity;
use OCP\Activity\IExtension;
use OCP\Activity\IManager;
use OCP\Comments\ICommentsManager;
use OCP\Comments\NotFoundException;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\L10N\IFactory;
/**
* Class Extension
*
* @package OCA\Comments\Activity
*/
class Extension implements IExtension {
const APP_NAME = 'comments';
const ADD_COMMENT_SUBJECT = 'add_comment_subject';
const ADD_COMMENT_MESSAGE = 'add_comment_message';
/** @var IFactory */
protected $languageFactory;
/** @var IManager */
protected $activityManager;
/** @var ICommentsManager */
protected $commentsManager;
/** @var IURLGenerator */
protected $URLGenerator;
/**
* @param IFactory $languageFactory
* @param IManager $activityManager
* @param ICommentsManager $commentsManager
* @param IURLGenerator $URLGenerator
*/
public function __construct(IFactory $languageFactory, IManager $activityManager, ICommentsManager $commentsManager, IURLGenerator $URLGenerator) {
$this->languageFactory = $languageFactory;
$this->activityManager = $activityManager;
$this->commentsManager = $commentsManager;
$this->URLGenerator = $URLGenerator;
}
protected function getL10N($languageCode = null) {
return $this->languageFactory->get(self::APP_NAME, $languageCode);
}
/**
* The extension can return an array of additional notification types.
* If no additional types are to be added false is to be returned
*
* @param string $languageCode
* @return array|false
*/
public function getNotificationTypes($languageCode) {
$l = $this->getL10N($languageCode);
return array(
self::APP_NAME => [
'desc' => (string) $l->t('<strong>Comments</strong> for files <em>(always listed in stream)</em>'),
'methods' => [self::METHOD_MAIL], // self::METHOD_STREAM is forced true by the default value
],
);
}
/**
* For a given method additional types to be displayed in the settings can be returned.
* In case no additional types are to be added false is to be returned.
*
* @param string $method
* @return array|false
*/
public function getDefaultTypes($method) {
return $method === self::METHOD_STREAM ? [self::APP_NAME] : false;
}
/**
* A string naming the css class for the icon to be used can be returned.
* If no icon is known for the given type false is to be returned.
*
* @param string $type
* @return string|false
*/
public function getTypeIcon($type) {
switch ($type) {
case self::APP_NAME:
return 'icon-comment';
}
return false;
}
/**
* The extension can translate a given message to the requested languages.
* If no translation is available false is to be returned.
*
* @param string $app
* @param string $text
* @param array $params
* @param boolean $stripPath
* @param boolean $highlightParams
* @param string $languageCode
* @return string|false
*/
public function translate($app, $text, $params, $stripPath, $highlightParams, $languageCode) {
if ($app !== self::APP_NAME) {
return false;
}
$l = $this->getL10N($languageCode);
if ($this->activityManager->isFormattingFilteredObject()) {
$translation = $this->translateShort($text, $l, $params);
if ($translation !== false) {
return $translation;
}
}
return $this->translateLong($text, $l, $params);
}
/**
* @param string $text
* @param IL10N $l
* @param array $params
* @return bool|string
*/
protected function translateShort($text, IL10N $l, array $params) {
switch ($text) {
case self::ADD_COMMENT_SUBJECT:
if ($this->authorIsCurrentUser($params[0])) {
return (string) $l->t('You commented');
}
return (string) $l->t('%1$s commented', $params);
case self::ADD_COMMENT_MESSAGE:
return $this->convertParameterToComment($params[0], 120);
}
return false;
}
/**
* @param string $text
* @param IL10N $l
* @param array $params
* @return bool|string
*/
protected function translateLong($text, IL10N $l, array $params) {
switch ($text) {
case self::ADD_COMMENT_SUBJECT:
if ($this->authorIsCurrentUser($params[0])) {
return (string) $l->t('You commented on %2$s', $params);
}
return (string) $l->t('%1$s commented on %2$s', $params);
case self::ADD_COMMENT_MESSAGE:
return $this->convertParameterToComment($params[0]);
}
return false;
}
/**
* Check if the author is the current user
*
* @param string $user Parameter e.g. `<user display-name="admin">admin</user>`
* @return bool
*/
protected function authorIsCurrentUser($user) {
try {
return strip_tags($user) === $this->activityManager->getCurrentUserId();
} catch (\UnexpectedValueException $e) {
// FIXME this is awkward, but we have no access to the current user in emails
return false;
}
}
/**
* The extension can define the type of parameters for translation
*
* Currently known types are:
* * file => will strip away the path of the file and add a tooltip with it
* * username => will add the avatar of the user
*
* @param string $app
* @param string $text
* @return array|false
*/
public function getSpecialParameterList($app, $text) {
if ($app === self::APP_NAME) {
switch ($text) {
case self::ADD_COMMENT_SUBJECT:
return [
0 => 'username',
1 => 'file',
];
}
}
return false;
}
/**
* The extension can define the parameter grouping by returning the index as integer.
* In case no grouping is required false is to be returned.
*
* @param array $activity
* @return integer|false
*/
public function getGroupParameter($activity) {
return false;
}
/**
* The extension can define additional navigation entries. The array returned has to contain two keys 'top'
* and 'apps' which hold arrays with the relevant entries.
* If no further entries are to be added false is no be returned.
*
* @return array|false
*/
public function getNavigation() {
$l = $this->getL10N();
return [
'apps' => [],
'top' => [
self::APP_NAME => [
'id' => self::APP_NAME,
'name' => (string) $l->t('Comments'),
'url' => $this->URLGenerator->linkToRoute('activity.Activities.showList', ['filter' => self::APP_NAME]),
],
],
];
}
/**
* The extension can check if a custom filter (given by a query string like filter=abc) is valid or not.
*
* @param string $filterValue
* @return boolean
*/
public function isFilterValid($filterValue) {
return $filterValue === self::APP_NAME;
}
/**
* The extension can filter the types based on the filter if required.
* In case no filter is to be applied false is to be returned unchanged.
*
* @param array $types
* @param string $filter
* @return array|false
*/
public function filterNotificationTypes($types, $filter) {
if ($filter === self::APP_NAME) {
return [self::APP_NAME];
}
if (in_array($filter, ['all', 'by', 'self', 'filter'])) {
$types[] = self::APP_NAME;
return $types;
}
return false;
}
/**
* For a given filter the extension can specify the sql query conditions including parameters for that query.
* In case the extension does not know the filter false is to be returned.
* The query condition and the parameters are to be returned as array with two elements.
* E.g. return array('`app` = ? and `message` like ?', array('mail', 'ownCloud%'));
*
* @param string $filter
* @return array|false
*/
public function getQueryForFilter($filter) {
return false;
}
/**
* @param string $parameter
* @return string
*/
protected function convertParameterToComment($parameter, $maxLength = 0) {
if (preg_match('/^\<parameter\>(\d*)\<\/parameter\>$/', $parameter, $matches)) {
try {
$comment = $this->commentsManager->get((int) $matches[1]);
$message = $comment->getMessage();
$message = str_replace("\n", '<br />', str_replace(['<', '>'], ['&lt;', '&gt;'], $message));
if ($maxLength && isset($message[$maxLength + 20])) {
$findSpace = strpos($message, ' ', $maxLength);
if ($findSpace !== false && $findSpace < $maxLength + 20) {
return substr($message, 0, $findSpace) . '…';
}
return substr($message, 0, $maxLength + 20) . '…';
}
return $message;
} catch (NotFoundException $e) {
return '';
}
}
return '';
}
}