gnu-social/components/Avatar/Avatar.php
2021-09-14 13:13:21 +01:00

140 lines
5.1 KiB
PHP

<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace Component\Avatar;
use App\Core\Cache;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\GSFile;
use App\Core\Modules\Component;
use App\Core\Router\Router;
use App\Util\Common;
use Component\Avatar\Controller as C;
use Component\Avatar\Exception\NoAvatarException;
use Symfony\Component\Asset\Package;
use Symfony\Component\Asset\VersionStrategy\EmptyVersionStrategy;
use Symfony\Component\HttpFoundation\Request;
class Avatar extends Component
{
public function onAddRoute($r): bool
{
$r->connect('avatar', '/{gsactor_id<\d+>}/avatar/{size<full|big|medium|small>?full}', [Controller\Avatar::class, 'avatar_view']);
$r->connect('settings_avatar', '/settings/avatar', [Controller\Avatar::class, 'settings_avatar']);
return Event::next;
}
public function onPopulateProfileSettingsTabs(Request $request, &$tabs): bool
{
// TODO avatar template shouldn't be on settings folder
$tabs[] = [
'title' => 'Avatar',
'desc' => 'Change your avatar.',
'controller' => C\Avatar::settings_avatar($request),
];
return Event::next;
}
public function onStartTwigPopulateVars(array &$vars): bool
{
if (Common::user() != null) {
$vars['user_avatar'] = self::getAvatarUrl();
}
return Event::next;
}
public function onGetAvatarUrl(int $gsactor_id, ?string &$url): bool
{
$url = self::getAvatarUrl($gsactor_id);
return Event::next;
}
public function onAvatarUpdate(int $gsactor_id): bool
{
Cache::delete('avatar-' . $gsactor_id);
Cache::delete('avatar-url-' . $gsactor_id);
Cache::delete('avatar-file-info-' . $gsactor_id);
return Event::next;
}
// UTILS ----------------------------------
/**
* Get the avatar associated with the given GSActor id
*/
public static function getAvatar(?int $gsactor_id = null): Entity\Avatar
{
$gsactor_id = $gsactor_id ?: Common::userId();
return GSFile::error(NoAvatarException::class,
$gsactor_id,
Cache::get("avatar-{$gsactor_id}",
function () use ($gsactor_id) {
return DB::dql('select a from Component\Avatar\Entity\Avatar a ' .
'where a.gsactor_id = :gsactor_id',
['gsactor_id' => $gsactor_id]);
}));
}
/**
* Get the cached avatar associated with the given GSActor id, or the current user if not given
*/
public static function getAvatarUrl(?int $gsactor_id = null): string
{
$gsactor_id = $gsactor_id ?: Common::userId();
return Cache::get("avatar-url-{$gsactor_id}", function () use ($gsactor_id) {
$attachment_id = self::getAvatarFileInfo($gsactor_id)['id'];
if ($attachment_id !== null) {
return Router::url('attachment_view', ['id' => $attachment_id]);
} else {
$package = new Package(new EmptyVersionStrategy());
return $package->getUrl(Common::config('avatar', 'default'));
}
});
}
/**
* Get the cached avatar file info associated with the given GSActor id
*
* Returns the avatar file's hash, mimetype, title and path.
* Ensures exactly one cached value exists
*/
public static function getAvatarFileInfo(int $gsactor_id): array
{
$res = Cache::get("avatar-file-info-{$gsactor_id}",
function () use ($gsactor_id) {
return DB::dql('select f.id, f.filename, f.mimetype, f.title ' .
'from App\Entity\Attachment f ' .
'join Component\Avatar\Entity\Avatar a with f.id = a.attachment_id ' .
'where a.gsactor_id = :gsactor_id',
['gsactor_id' => $gsactor_id]);
}
);
if ($res === []) { // Avatar not found
$filepath = INSTALLDIR . '/public/assets/default-avatar.svg';
return ['id' => null, 'file_path' => $filepath, 'mimetype' => 'image/svg+xml', 'title' => null];
} else {
$res = $res[0]; // A user must always only have one avatar.
$res['file_path'] = DB::findOneBy('attachment', ['id' => $res['id']])->getPath();
return $res;
}
}
}