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<?php
/**
* View for download photos page - prepare
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jeroen Roos
*/
namespace photos\view;
use breadcrumb;
use conf\conf;
use photo;
use photo\collection as photoCollection;
use template\actionlink;
use template\block;
use template\form;
use template\template;
use user;
use web\request;
use zoph\app;
/**
* This view prepares the zip file and displays the "next download" form
*/
class prepare extends view {
/** @var string filename of zipfile as downloaded */
private $filename;
/** @var int number current file */
private $filenum;
/** @var string filename of zipfile as stored in /tmp */
private $zipfile;
/** @var int number of files added to the last zip */
private $added;
/**
* Set the file to be used for download
* @param string file name
* @param int file number
* @param int number of files added in the previous run
*/
public function setFile(string $filename, int $filenum, int $added) : void {
$user = user::getCurrent();
$this->filename=$filename;
$this->filenum=$filenum;
$this->zipfile="/tmp/zoph_" . (int) $user->getId() . "_" . $this->filename . "_" . $filenum . ".zip";
$this->added = $added;
}
/**
* Output view
*/
public function view() : block {
if (empty($this->display)) {
return $this->displayError();
} else {
$offset = (int) $this->request["_off"] ?? 0;
$newoffset = $offset . $this->added;
if ($newoffset < sizeof($this->photos)) {
return $this->displayNext($newoffset);
} else {
return $this->displayNext();
}
}
}
/**
* Display error in case no photos were matched for the search criteria
* @return template\block error display
*/
private function displayError() : block {
$tpl = new block("main", array(
"title" => translate("Download")
));
$tpl->addBlock(new block("message", array(
"class" => "error",
"text" => translate("No photos were found matching your search criteria.")
)));
return $tpl;
}
/**
* Display next download screen
* @param int|null offset for next download or null if this is the last download
* @return template\template display next download
*/
private function displayNext(int $newoffset = null) : block {
$tpl=new block("main", array(
"title" => $this->params->titleBar
));
if ($newoffset) {
$vars = $this->request->getUpdatedVars(array(
"_off" => $newoffset,
"_filenum" => $this->filenum + 1
));
$msg = new block("message", array(
"class" => "info",
"text" => translate("The zipfile is being created...") . " " .
sprintf(translate("Downloaded %s of %s photos."), $newoffset, sizeof($this->photos))
));
$msg->addActionlinks(array(
new actionlink("download next file", "photos/prepare", $vars)
));
} else {
$msg = new block("message", array(
"class" => "info",
"text" => sprintf(translate("All photos have been downloaded in %s zipfiles."), $this->filenum)
));
$vars = $this->request->getUpdatedVars(array(), null, array("_action", "_off", "_filenum", "_maxfiles", "_maxsize", "_filename"));
$msg->addActionlinks(array(
new actionlink("Go back", "photos", $vars)
));
}
$tpl->addBlock($msg);
$tpl->addBlock(new block("iframe", array(
"class" => "download",
"iframe_src" => app::getBasePath() . "photos/zipfile?_filename=" . $this->filename . "&_filenum=" . $this->filenum,
"title" => "download"
)));
return $tpl;
}
}
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