72 lines
2.0 KiB
PHP
Executable File
72 lines
2.0 KiB
PHP
Executable File
<?php
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class FileDownloader extends FileManager {
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use SingletonTrait;
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public function download() {
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$fullFilePath = $this->getFullFilePath();
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if(file_exists($fullFilePath) && is_file($fullFilePath)) {
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header('Cache-control: private');
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header('Content-Type: ' . $this->getFileContentType());
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header('Content-Length: ' . filesize($fullFilePath));
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header('Content-Disposition: filename=' . $this->getFileName());
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flush();
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$file = fopen($fullFilePath, 'r');
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print fread($file, filesize($fullFilePath));
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fclose($file);
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return true;
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} else {
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return false;
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}
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}
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public function eraseFile() {
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unlink($this->getLocalPath() . $this->getFileName());
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}
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public function getFileContentType() {
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$fileExtension = substr($this->getFileName(), -3);
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$contentTypes = [
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'jpg' => 'image/jpeg',
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'gif' => 'image/fig',
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'png' => 'image/png',
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'default' => 'application/octet-stream',
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];
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return $contentTypes[
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array_key_exists($fileExtension, $contentTypes) ? $fileExtension : 'default'
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];
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}
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public function getFilePermission() {
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if(!strlen($this->getFileName())) return NULL;
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$indicator = $this->getFileName()[0];
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if($indicator === 'a') {
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return FileManager::PERMISSION_ARTICLE;
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} else if($indicator === 't') {
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return FileManager::PERMISSION_TICKET;
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} else if($indicator === 'p') {
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return FileManager::PERMISSION_PROFILE;
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}
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return NULL;
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}
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public function getTicketNumber() {
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$fileName = $this->getFileName();
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if(strlen($fileName) < 2) return NULL;
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$ticketNumber = 0;
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for($i=1; $fileName[$i] !== '_'; $i++) {
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$ticketNumber *= 10;
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$ticketNumber += $fileName[$i];
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}
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return $ticketNumber;
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}
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}
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