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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, Michael Weimann <mail@michael-weimann.eu>
*
* @author Michael Weimann <mail@michael-weimann.eu>
*
* @license GNU AGPL version 3 or any later version
*
* 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/>.
*
*/
namespace OC\Avatar;
use OCP\Files\SimpleFS\InMemoryFile;
use OCP\ILogger;
/**
* This class represents a guest user's avatar.
*/
class GuestAvatar extends Avatar {
/**
* Holds the guest user display name.
*
* @var string
*/
private $userDisplayName;
/**
* GuestAvatar constructor.
*
* @param string $userDisplayName The guest user display name
* @param ILogger $logger The logger
*/
public function __construct(string $userDisplayName, ILogger $logger) {
parent::__construct($logger);
$this->userDisplayName = $userDisplayName;
}
/**
* Tests if the user has an avatar.
*
* @return true Guests always have an avatar.
*/
public function exists() {
return true;
}
/**
* Returns the guest user display name.
*
* @return string
*/
public function getDisplayName(): string {
return $this->userDisplayName;
}
/**
* Setting avatars isn't implemented for guests.
*
* @param \OCP\IImage|resource|string $data
* @return void
*/
public function set($data) {
// unimplemented for guest user avatars
}
/**
* Removing avatars isn't implemented for guests.
*/
public function remove() {
// unimplemented for guest user avatars
}
/**
* Generates an avatar for the guest.
*
* @param int $size The desired image size.
* @return InMemoryFile
*/
public function getFile($size) {
$avatar = $this->generateAvatar($this->userDisplayName, $size);
return new InMemoryFile('avatar.png', $avatar);
}
/**
* Updates the display name if changed.
*
* @param string $feature The changed feature
* @param mixed $oldValue The previous value
* @param mixed $newValue The new value
* @return void
*/
public function userChanged($feature, $oldValue, $newValue) {
if ($feature === 'displayName') {
$this->userDisplayName = $newValue;
}
}
/**
* Guests don't have custom avatars.
*
* @return bool
*/
public function isCustomAvatar(): bool {
return false;
}
}
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