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https://github.com/silverstripe/silverstripe-cms
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mujma: Added comments for ImageEditor?.php, fixed JSON bug, added status message after saving, added tmp folder delete after editing.
(merged from branches/gsoc) git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@41882 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer
parent
ee61a1776d
commit
1fe66c0bf4
@ -1,33 +1,47 @@
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<?php
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/**
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* This Controller handles all operation needed for ImageEditor to work(expect for GD operations).
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*
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*/
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class ImageEditor extends Controller {
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public $fileToEdit = "";
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public function __construct() {
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}
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/**
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* Includes all JS required for ImageEditor. This method requires setting
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* a fileToEdit URL in POST.
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*
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* @return String
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*/
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public function index() {
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Requirements::clear();
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Requirements::javascript("jsparty/prototype.js");
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Requirements::javascript("jsparty/scriptaculous/scriptaculous.js");
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Requirements::javascript("/cms/javascript/ImageEditor/Require.js");
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Requirements::javascript("cms/javascript/ImageEditor/ImageEditor.js");
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Requirements::javascript("jsparty/loader.js");
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Requirements::javascript("jsparty/behaviour.js");
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Requirements::javascript("cms/javascript/LeftAndMain.js");
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Requirements::css("cms/css/ImageEditor/ImageEditor.css");
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if(!isset($this->requestParams['fileToEdit'])) $this->raiseError();
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$fileWithPath = $this->requestParams['fileToEdit'];
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$this->fileToEdit = $this->file2Origin($fileWithPath);
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return $this->renderWith(__CLASS__);
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}
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private function raiseError()
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{
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Debug::friendlyError(500,"Bad arguments",__FILE__,__LINE__,'');
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exit();
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}
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/**
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* Method is used for manipulating photos.
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* Method requires two params set in POST
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* file - file on which operation will be performed
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* command - name of operation(crop|rotate|resize)
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*
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* Each operation requires additional parameters.
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*
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* @return String - JSON array with image properties (width,height,url).
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*/
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public function manipulate() {
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$fileName = $this->requestParams['file'];
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$command = $this->requestParams['command'];
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@ -53,9 +67,20 @@
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}
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$rand = md5(rand(1,100000));
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$gd->writeTo('../assets/tmp/' . $rand . '.jpg');
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$this->returnImage($gd,'assets/tmp/' . $rand . '.jpg');
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return $this->getImageInfoInJSON($gd,'../assets/tmp/' . $rand . '.jpg');
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}
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/**
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* Method is used for saving photos.
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* Method requires two params set in POST
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* originalFile - this file will be replaced by second file
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* editedFile - this file will replace first file.
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*
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* After replacing original file all thumbnails created from it are removed.
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*
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* @return String - Message that everything went ok.
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*/
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public function save() {
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if(isset($this->requestParams['originalFile']) && isset($this->requestParams['editedFile'])) {
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$originalFile = $this->requestParams['originalFile'];
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@ -73,18 +98,44 @@
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} else {
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$this->raiseError();
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}
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return "parent.parent.parent.statusMessage('Image saved','good',false);";
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}
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private function returnImage(GD $gd,$strFile)
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{
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list($width, $height) = getimagesize('../' . $strFile);
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echo json_encode(array(
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'fileName' => $strFile,
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'width' => $width,
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'height' => $height)
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);
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/**
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* Method is invoked when ImageEditor is closed whether image is saved or not.
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*
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* /assets/tmp is folder where we store temporary images created during editing so
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* after closing they are no necessity to keep them.
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*
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* @return null
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*/
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public function close() {
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Filesystem::removeFolder('../assets/tmp');
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}
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/**
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* Method return JSON array containing info about image.
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*
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* @param gd - GD object used for retrieving info about image
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* @param file
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*
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* @return string JSON array explained in manipulate method comment
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*/
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private function getImageInfoInJSON(GD $gd,$file)
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{
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return '{"fileName":"' . $file . '","width":' . $gd->getWidth() . ',"height":' . $gd->getHeight() . '}';
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}
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/**
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* Method converts thumbnail file name to file name of it's "parent"
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*
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* @param file - name of thumbnail file
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*
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* @return string name of parent file.
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*/
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private function file2Origin($file) {
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$file = str_replace('_resampled/','',$file);
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$file = str_replace('_resampled/','',$file);
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@ -92,11 +143,27 @@
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$this->checkFileExists($file);
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return $file;
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}
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/**
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* Method converts URL of file to file path in file system.
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*
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* @param url - url of file
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*
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* @return string path of file in file system
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*/
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private function url2File($url) {
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return '..' . substr($url,strpos($url,'/assets'));
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}
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/**
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* Method checks if file exists and have proper name and extension.
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*
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* If any of constraints aren't fulfilled method will generate error.
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*
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* @param url - url of file
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*
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* @return boolean
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*/
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private function checkFileExists($url) {
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$pathInfo = pathinfo($url);
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@ -123,5 +190,18 @@
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$this->raiseError();
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}
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}
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/**
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* Method raiser error. Error is showed using statusMessage function.
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*
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* @param message - error message
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*
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*/
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private function raiseError($message = "")
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{
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echo "parent.parent.parent.statusMessage('Error: " . $message . "','bad',false);";
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exit();
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}
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}
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?>
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@ -38,5 +38,6 @@ var ImageEditor = {
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onClose: function() {
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window.parent.frames[1].location.reload(1);
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Element.hide(window.frameElement);
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imageTransformation.close();
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}
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}
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@ -7,6 +7,7 @@ var ImageTransformation = {
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this.rotate = ImageTransformation.rotate.bind(this);
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this.crop = ImageTransformation.crop.bind(this);
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this.save = ImageTransformation.save.bind(this);
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this.close = ImageTransformation.close.bind(this);
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},
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resize: function(width,height) {
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@ -70,10 +71,22 @@ var ImageTransformation = {
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method: 'post',
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postBody: 'command=save&editedFile=' + editedFile + '&originalFile=' + originalFile,
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onSuccess: function(transport) {
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eval(transport.responseText);
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imageEditor.onClose();
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},
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};
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new Ajax.Request('admin/ImageEditor/save', options);
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new Ajax.Request('admin/ImageEditor/save', options);
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},
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close: function() {
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var options = {
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method: 'post',
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postBody: '',
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onSuccess: function(transport) {
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eval(transport.responseText);
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},
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};
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new Ajax.Request('admin/ImageEditor/close', options);
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}
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}
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