cms-niceties/src/Tasks/QRCodeTask.php

106 lines
3.5 KiB
PHP
Raw Normal View History

2021-06-19 21:30:03 +02:00
<?php
namespace A2nt\CMSNiceties\Tasks;
use Endroid\QrCode\ErrorCorrectionLevel;
use Endroid\QrCode\LabelAlignment;
use Endroid\QrCode\QrCode;
use SilverStripe\Assets\File;
use SilverStripe\Assets\Image;
use SilverStripe\Assets\Storage\AssetStore;
use SilverStripe\Assets\Upload;
use SilverStripe\Control\Director;
use SilverStripe\Core\Injector\Injector;
class QRCodeTask extends BuildTask
{
protected $title = 'Generate website QR-code';
protected $description = 'Generate website QR-code';
protected $enabled = true;
public function run($request)
{
echo '<h1>'.$this->Title().'</h1>';
echo self::generateQR();
die('Done!');
}
public static function generateQR()
{
$qrCode = new QrCode(Director::absoluteBaseURL());
$qrCode->setSize(600);
$qrCode->setMargin(10);
$qrCode->setWriterByName('png');
$qrCode->setEncoding('UTF-8');
$qrCode->setErrorCorrectionLevel(ErrorCorrectionLevel::HIGH());
$qrCode->setForegroundColor(['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0]);
$qrCode->setBackgroundColor(['r' => 255, 'g' => 255, 'b' => 255, 'a' => 0]);
$qrCode->setLabel(Director::absoluteBaseURL(), 16, null, LabelAlignment::CENTER());
/*$qrCode->setLogoPath('/'.File::join_paths(
PUBLIC_PATH,
RESOURCES_DIR,
project(),
'client', 'dist', 'icons',
'apple-touch-icon-152x152.png'
));
$qrCode->setLogoSize(152, 152);*/
$qrCode->setValidateResult(true);
// Round block sizes to improve readability and make the blocks sharper in pixel based outputs (like png).
// There are three approaches:
$qrCode->setRoundBlockSize(true, QrCode::ROUND_BLOCK_SIZE_MODE_MARGIN); // The size of the qr code is shrinked, if necessary, but the size of the final image remains unchanged due to additional margin being added (default)
$qrCode->setRoundBlockSize(true, QrCode::ROUND_BLOCK_SIZE_MODE_ENLARGE); // The size of the qr code and the final image is enlarged, if necessary
$qrCode->setRoundBlockSize(true, QrCode::ROUND_BLOCK_SIZE_MODE_SHRINK); // The size of the qr code and the final image is shrinked, if necessary
// Set additional writer options (SvgWriter example)
$qrCode->setWriterOptions(['exclude_xml_declaration' => true]);
// Directly output the QR code
/*header('Content-Type: '.$qrCode->getContentType());
echo $qrCode->writeString();
die();*/
// Save it to a file
$qrCode->writeFile(TEMP_PATH.'/qrcode.png');
$res = self::getAssetStore()->setFromLocalFile(
TEMP_PATH.'/qrcode.png',
'qrcode.png', null, null,
[
'conflict' => AssetStore::CONFLICT_OVERWRITE,
'visibility' => AssetStore::VISIBILITY_PUBLIC,
]
);
$img = Image::get()->filter([
'ParentID' => 0,
'FileFilename' => $res['Filename'],
])->first();
if(!$img) {
$img = Image::create();
}
$res['FileHash'] = $res['Hash'];
$res['FileFilename'] = $res['Filename'];
$res['ParentID'] = 0;
$img = $img->update($res);
$img->write();
$img->publishFile();
return '<img src="'.$qrCode->writeDataUri().'" width="300" alt="QR-code" /><br/>';
}
protected static function getAssetStore()
{
return Injector::inst()->get(AssetStore::class);
}
}