add QrcodesAgent
This commit is contained in:
oliver
parent
d7095c005a
commit
a31252d81b
38
agents/intermediate/QrcodesAgent.inc
Normal file
38
agents/intermediate/QrcodesAgent.inc
Normal file
|
|
@ -0,0 +1,38 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* The Legend of Z
|
||||
*
|
||||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||||
* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
|
||||
* @license http://www.gnu.org/licenses/gpl.html
|
||||
* @link https://bitbucket.org/coderkun/the-legend-of-z
|
||||
*/
|
||||
|
||||
namespace hhu\z\agents\intermediate;
|
||||
|
||||
|
||||
/**
|
||||
* Agent to generate and show QR-codes.
|
||||
*
|
||||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||||
*/
|
||||
class QrcodesAgent extends \nre\agents\IntermediateAgent
|
||||
{
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Action: index.
|
||||
*
|
||||
* @param \nre\core\Request $request Current request
|
||||
* @param \nre\core\Response $response Current response
|
||||
*/
|
||||
public function index(\nre\core\Request $request, \nre\core\Response $response)
|
||||
{
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
|
|
@ -319,7 +319,8 @@
|
|||
array('^pages/([^/]+)/(edit|delete)$', 'pages/$2/$1', true),
|
||||
array('^pages/(?!(create|edit|delete))/?', 'pages/page/$1', true),
|
||||
array('^media/(.*)$', 'media/$1?layout=binary', false),
|
||||
array('^uploads/(.*)$', 'uploads/$1?layout=binary', false)
|
||||
array('^uploads/(.*)$', 'uploads/$1?layout=binary', false),
|
||||
array('^qrcodes/(.*)$', 'qrcodes/$1?layout=binary', false)
|
||||
);
|
||||
|
||||
|
||||
|
|
|
|||
269
controllers/QrcodesController.inc
Normal file
269
controllers/QrcodesController.inc
Normal file
|
|
@ -0,0 +1,269 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* The Legend of Z
|
||||
*
|
||||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||||
* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
|
||||
* @license http://www.gnu.org/licenses/gpl.html
|
||||
* @link https://bitbucket.org/coderkun/the-legend-of-z
|
||||
*/
|
||||
|
||||
namespace hhu\z\controllers;
|
||||
|
||||
|
||||
/**
|
||||
* Controller of the QrcodeAgent to generate and show QR-codes.
|
||||
*
|
||||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||||
*/
|
||||
class QrcodesController extends \hhu\z\controllers\SeminaryController
|
||||
{
|
||||
/**
|
||||
* Required models
|
||||
*
|
||||
* @var array
|
||||
*/
|
||||
public $models = array('seminaries', 'charactergroups', 'charactergroupsquests', 'charactergroupsqueststations');
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Prefilter.
|
||||
*
|
||||
* @param \nre\core\Request $request Current request
|
||||
* @param \nre\core\Response $response Current response
|
||||
*/
|
||||
public function preFilter(\nre\core\Request $request, \nre\core\Response $response)
|
||||
{
|
||||
parent::preFilter($request, $response);
|
||||
|
||||
// Set headers for caching control
|
||||
$response->addHeader("Pragma: public");
|
||||
$response->addHeader("Cache-control: must-revalidate");
|
||||
$response->addHeader("Date: ".gmdate(\DateTime::RFC822));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Action: charactergroupsqueststation
|
||||
*
|
||||
* Display a QR-code for a Character groups Quest station.
|
||||
*
|
||||
* @throws \nre\exceptions\IdNotFoundException
|
||||
* @param string $seminaryUrl URL-Title of a Seminary
|
||||
* @param string $groupsgroupUrl URL-Title of a Character groups-group
|
||||
* @param string $questUrl URL-Title of a Character groups Quest
|
||||
* @param string $stationUrl URL of Character groups Quest station
|
||||
*/
|
||||
public function charactergroupsqueststation($seminaryUrl, $groupsgroupUrl, $questUrl, $stationUrl, $size=1)
|
||||
{
|
||||
// Get seminary
|
||||
$seminary = $this->Seminaries->getSeminaryByUrl($seminaryUrl);
|
||||
|
||||
// Get Character groups-group
|
||||
$groupsgroup = $this->Charactergroups->getGroupsgroupByUrl($seminary['id'], $groupsgroupUrl);
|
||||
|
||||
// Get Character groups Quests
|
||||
$quest = $this->Charactergroupsquests->getQuestByUrl($groupsgroup['id'], $questUrl);
|
||||
|
||||
// Get station
|
||||
$station = $this->Charactergroupsqueststations->getStationByUrl($quest['id'], $stationUrl);
|
||||
|
||||
// Generate QR-code
|
||||
$url = $this->linker->link(array('qr', 'cgqs', $station['id']), 0, true, null, true, null, true);
|
||||
$file = $this->generateQRcode($url, $size);
|
||||
if(is_null($file)) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
// Pass data to view
|
||||
$this->set('file', $file);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Determine file information and set the HTTP-header for
|
||||
* caching accordingly.
|
||||
*
|
||||
* @param string $fileName Filename
|
||||
* @return boolean HTTP-status 304 was set (in cache)
|
||||
*/
|
||||
private function setCacheHeaders($fileName)
|
||||
{
|
||||
// Determine last change of file
|
||||
$fileLastModified = gmdate('r', filemtime($fileName));
|
||||
|
||||
// Generate E-Tag
|
||||
$fileEtag = hash('sha256', $fileLastModified.$fileName);
|
||||
|
||||
|
||||
// Set header
|
||||
$this->response->addHeader("Last-Modified: ".$fileLastModified);
|
||||
$this->response->addHeader("Etag: ".$fileEtag);
|
||||
// HTTP-status
|
||||
$headerModifiedSince = $this->request->getServerParam('HTTP_IF_MODIFIED_SINCE');
|
||||
$headerNoneMatch = $this->request->getServerParam('HTTP_IF_NONE_MATCH');
|
||||
if(
|
||||
!is_null($headerModifiedSince) && strtotime($fileLastModified) <= strtotime($headerModifiedSince) &&
|
||||
!is_null($headerNoneMatch) && $headerNoneMatch == $fileEtag
|
||||
) {
|
||||
$this->response->setExit(true);
|
||||
$this->response->addHeader(\nre\core\WebUtils::getHttpHeader(304));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
private function generateQRcode($text, $size)
|
||||
{
|
||||
\hhu\z\lib\Phpqrcode::load();
|
||||
\QRcode::png($text, false, QR_ECLEVEL_L, intval($size), 1);
|
||||
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Determine the file for a medium and process it if necessary.
|
||||
*
|
||||
* @throws \nre\exceptions\IdNotFoundException
|
||||
* @throws \nre\exceptions\ParamsNotValidException
|
||||
* @param array $media Medium to get file for
|
||||
* @param string $action Action for processing the media
|
||||
* @return object File for the medium (or null if medium is cached)
|
||||
*/
|
||||
private function getMediaFile($media, $action=null)
|
||||
{
|
||||
// Get format
|
||||
$format = explode('/', $media['mimetype']);
|
||||
$format = $format[1];
|
||||
|
||||
// Set content-type
|
||||
$this->response->addHeader("Content-type: ".$media['mimetype']."");
|
||||
|
||||
// Set filename
|
||||
$media['filename'] = ROOT.DS.\nre\configs\AppConfig::$dirs['seminarymedia'].DS.$media['id'];
|
||||
if(!file_exists($media['filename'])) {
|
||||
throw new \nre\exceptions\IdNotFoundException($media['id'].': '.$media['url']);
|
||||
}
|
||||
|
||||
// Cache
|
||||
if($this->setCacheHeaders($media['filename'])) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// Load and process file
|
||||
$file = null;
|
||||
if(is_null($action) || !in_array(strtoupper($format), self::getImageTypes()))
|
||||
{
|
||||
// Do not process the file
|
||||
$file = file_get_contents($media['filename']);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Process file
|
||||
switch($action)
|
||||
{
|
||||
case 'questgroup':
|
||||
case 'quest':
|
||||
case 'avatar':
|
||||
case 'charactergroup':
|
||||
case 'charactergroupsquest':
|
||||
$file = self::resizeImage(
|
||||
$media['filename'],
|
||||
$format,
|
||||
\nre\configs\AppConfig::$media[$action]['width'],
|
||||
\nre\configs\AppConfig::$media[$action]['height']
|
||||
);
|
||||
break;
|
||||
default:
|
||||
throw new ParamsNotValidException($action);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Return file
|
||||
return $file;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get supported image types.
|
||||
*
|
||||
* @return array List of supported image types
|
||||
*/
|
||||
private static function getImageTypes()
|
||||
{
|
||||
$im = new \Imagick();
|
||||
|
||||
|
||||
return $im->queryFormats();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Resize an image.
|
||||
*
|
||||
* @param string $fileName Absolute pathname of image to resize
|
||||
* @param string $mimeType Mimetype of target image
|
||||
* @param int $width Max. width to resize to
|
||||
* @param int $height Max. height to resize to
|
||||
* @return mixed Resized image
|
||||
*/
|
||||
private static function resizeImage($fileName, $mimeType, $width, $height)
|
||||
{
|
||||
// Read image from cache
|
||||
$tempFileName = ROOT.DS.\nre\configs\AppConfig::$dirs['temporary'].DS.'media-'.basename($fileName).'-'.$width.'x'.$height;
|
||||
if(file_exists($tempFileName))
|
||||
{
|
||||
// Check age of file
|
||||
if(filemtime($fileName) > filemtime($tempFileName)) {
|
||||
// Too old, delete
|
||||
unlink($tempFileName);
|
||||
}
|
||||
else {
|
||||
// Valid, read and return
|
||||
return file_get_contents($tempFileName);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ImageMagick
|
||||
$im = new \Imagick($fileName);
|
||||
|
||||
// Calculate new size
|
||||
$geometry = $im->getImageGeometry();
|
||||
if($geometry['width'] < $width) {
|
||||
$width = $geometry['width'];
|
||||
}
|
||||
if($geometry['height'] < $height) {
|
||||
$height = $geometry['width'];
|
||||
}
|
||||
|
||||
// Process
|
||||
$im->thumbnailImage($width, $height, true);
|
||||
$im->contrastImage(1);
|
||||
$im->setImageFormat($mimeType);
|
||||
|
||||
// Save temporary file
|
||||
$im->writeImage($tempFileName);
|
||||
|
||||
|
||||
// Return resized image
|
||||
return $im;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
1
views/binary/qrcodes/charactergroupsqueststation.tpl
Normal file
1
views/binary/qrcodes/charactergroupsqueststation.tpl
Normal file
|
|
@ -0,0 +1 @@
|
|||
<?=$file?>
|
||||
Loading…
Reference in a new issue