nextcloud/apps/dashboard/lib/Service/BackgroundService.php

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<?php
/**
* @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @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/>.
*
*/
declare(strict_types=1);
namespace OCA\Dashboard\Service;
use InvalidArgumentException;
use OC\User\NoUserException;
use OCP\Files\File;
use OCP\Files\IAppData;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IConfig;
use OCP\Lock\LockedException;
use OCP\PreConditionNotMetException;
class BackgroundService {
public const THEMING_MODE_DARK = 'dark';
public const SHIPPED_BACKGROUNDS = [
'anatoly-mikhaltsov-butterfly-wing-scale.jpg' => [
'attribution' => 'Butterfly wing scale (Anatoly Mikhaltsov, CC BY-SA)',
'attribution_url' => 'https://commons.wikimedia.org/wiki/File:%D0%A7%D0%B5%D1%88%D1%83%D0%B9%D0%BA%D0%B8_%D0%BA%D1%80%D1%8B%D0%BB%D0%B0_%D0%B1%D0%B0%D0%B1%D0%BE%D1%87%D0%BA%D0%B8.jpg',
],
'bernie-cetonia-aurata-take-off-composition.jpg' => [
'attribution' => 'Cetonia aurata take off composition (Bernie, Public Domain)',
'attribution_url' => 'https://commons.wikimedia.org/wiki/File:Cetonia_aurata_take_off_composition_05172009.jpg',
'theming' => self::THEMING_MODE_DARK,
],
'dejan-krsmanovic-ribbed-red-metal.jpg' => [
'attribution' => 'Ribbed red metal (Dejan Krsmanovic, CC BY)',
'attribution_url' => 'https://www.flickr.com/photos/dejankrsmanovic/42971456774/',
],
'eduardo-neves-pedra-azul.jpg' => [
'attribution' => 'Pedra azul milky way (Eduardo Neves, CC BY-SA)',
'attribution_url' => 'https://commons.wikimedia.org/wiki/File:Pedra_Azul_Milky_Way.jpg',
],
'european-space-agency-barents-bloom.jpg' => [
'attribution' => 'Barents bloom (European Space Agency, CC BY-SA)',
'attribution_url' => 'https://www.esa.int/ESA_Multimedia/Images/2016/08/Barents_bloom',
],
'hannes-fritz-flippity-floppity.jpg' => [
'attribution' => 'Flippity floppity (Hannes Fritz, CC BY-SA)',
'attribution_url' => 'http://hannes.photos/flippity-floppity',
],
'hannes-fritz-roulette.jpg' => [
'attribution' => 'Roulette (Hannes Fritz, CC BY-SA)',
'attribution_url' => 'http://hannes.photos/roulette',
],
'hannes-fritz-sea-spray.jpg' => [
'attribution' => 'Sea spray (Hannes Fritz, CC BY-SA)',
'attribution_url' => 'http://hannes.photos/sea-spray',
],
'kamil-porembinski-clouds.jpg' => [
'attribution' => 'Clouds (Kamil Porembiński, CC BY-SA)',
'attribution_url' => 'https://www.flickr.com/photos/paszczak000/8715851521/',
],
'bernard-spragg-new-zealand-fern.jpg' => [
'attribution' => 'New zealand fern (Bernard Spragg, CC0)',
'attribution_url' => 'https://commons.wikimedia.org/wiki/File:NZ_Fern.(Blechnum_chambersii)_(11263534936).jpg',
],
'rawpixel-pink-tapioca-bubbles.jpg' => [
'attribution' => 'Pink tapioca bubbles (Rawpixel, CC BY)',
'attribution_url' => 'https://www.flickr.com/photos/byrawpixel/27665140298/in/photostream/',
'theming' => self::THEMING_MODE_DARK,
],
'nasa-waxing-crescent-moon.jpg' => [
'attribution' => 'Waxing crescent moon (NASA, Public Domain)',
'attribution_url' => 'https://www.nasa.gov/image-feature/a-waxing-crescent-moon',
],
'tommy-chau-already.jpg' => [
'attribution' => 'Cityscape (Tommy Chau, CC BY)',
'attribution_url' => 'https://www.flickr.com/photos/90975693@N05/16910999368',
],
'tommy-chau-lion-rock-hill.jpg' => [
'attribution' => 'Lion rock hill (Tommy Chau, CC BY)',
'attribution_url' => 'https://www.flickr.com/photos/90975693@N05/17136440246',
'theming' => self::THEMING_MODE_DARK,
],
'lali-masriera-yellow-bricks.jpg' => [
'attribution' => 'Yellow bricks (Lali Masriera, CC BY)',
'attribution_url' => 'https://www.flickr.com/photos/visualpanic/3982464447',
'theming' => self::THEMING_MODE_DARK,
]
];
/**
* @var IRootFolder
*/
private $rootFolder;
/**
* @var IAppData
*/
private $appData;
/**
* @var IConfig
*/
private $config;
private $userId;
public function __construct(IRootFolder $rootFolder, IAppData $appData, IConfig $config, $userId) {
if ($userId === null) {
return;
}
$this->rootFolder = $rootFolder;
$this->appData = $appData;
$this->config = $config;
$this->userId = $userId;
}
public function setDefaultBackground(): void {
$this->config->deleteUserValue($this->userId, 'dashboard', 'background');
}
/**
* @param $path
* @throws NotFoundException
* @throws NotPermittedException
* @throws LockedException
* @throws PreConditionNotMetException
* @throws NoUserException
*/
public function setFileBackground($path): void {
$this->config->setUserValue($this->userId, 'dashboard', 'background', 'custom');
$userFolder = $this->rootFolder->getUserFolder($this->userId);
/** @var File $file */
$file = $userFolder->get($path);
$this->getAppDataFolder()->newFile('background.jpg', $file->fopen('r'));
}
public function setShippedBackground($fileName): void {
if (!array_key_exists($fileName, self::SHIPPED_BACKGROUNDS)) {
throw new InvalidArgumentException('The given file name is invalid');
}
$this->config->setUserValue($this->userId, 'dashboard', 'background', $fileName);
}
public function setColorBackground(string $color): void {
if (!preg_match('/^#([0-9a-f]{3}|[0-9a-f]{6})$/i', $color)) {
throw new InvalidArgumentException('The given color is invalid');
}
$this->config->setUserValue($this->userId, 'dashboard', 'background', $color);
}
public function getBackground(): ?ISimpleFile {
$background = $this->config->getUserValue($this->userId, 'dashboard', 'background', 'default');
if ($background === 'custom') {
try {
return $this->getAppDataFolder()->getFile('background.jpg');
} catch (NotFoundException | NotPermittedException $e) {
}
}
return null;
}
/**
* @return ISimpleFolder
* @throws NotPermittedException
*/
private function getAppDataFolder(): ISimpleFolder {
try {
return $this->appData->getFolder($this->userId);
} catch (NotFoundException $e) {
return $this->appData->newFolder($this->userId);
}
}
}