Proyectos de Subversion LeadersLinked - Backend

<?php

declare(strict_types=1);

namespace LeadersLinked\Service;

class StorageService

{

    // The directory where we save image files.

    private $saveToDir = './data/upload/';

    // Returns path to the directory where we save the image files.

    public function getSaveToDir()

    {

        return $this->saveToDir;

    }

    /*

    // Returns the array of uploaded file names.

    public function getSavedFiles()

    {

        // The directory where we plan to save uploaded files.

        // Check whether the directory already exists, and if not,

        // create the directory.

        if(!is_dir($this->saveToDir)) {

            if(!mkdir($this->saveToDir)) {

                throw new \Exception('Could not create directory for uploads: ' .

                    error_get_last());

            }

        }

        // Scan the directory and create the list of uploaded files.

        $files = [];

        $handle  = opendir($this->saveToDir);

        while (false !== ($entry = readdir($handle))) {

            if($entry=='.' || $entry=='..')

                continue; // Skip current dir and parent dir.

                $files[] = $entry;

        }

        // Return the list of uploaded files.

        return $files;

    }*/

    // Returns the path to the saved file.

    public function getFilePathByName($fileName)

    {

        // Take some precautions to make file name secure.

        $fileName = str_replace("/", "", $fileName);  // Remove slashes.

        $fileName = str_replace("\\", "", $fileName); // Remove back-slashes.

        // Return concatenated directory name and file name.

        return $this->saveToDir . $fileName;

    }

    // Returns the file content. On error, returns boolean false.

    public function getFileContent($filePath)

    {

        return file_get_contents($filePath);

    }

    // Retrieves the file information (size, MIME type) by image path.

    public function getImageFileInfo($filePath)

    {

        // Try to open file

        if (!is_readable($filePath)) {

            return false;

        }

        // Get file size in bytes.

        $fileSize = filesize($filePath);

        // Get MIME type of the file.

        $finfo = finfo_open(FILEINFO_MIME);

        $mimeType = finfo_file($finfo, $filePath);

        if($mimeType===false) {

            $mimeType = 'application/octet-stream';

        }

        return [

            'size' => $fileSize,

            'type' => $mimeType

         ];

    }

    // Resizes the image, keeping its aspect ratio.

    public  function resizeImage($filePath, $desiredWidth = 240)

    {

        // Get original image dimensions.

        list($originalWidth, $originalHeight) = getimagesize($filePath);

        // Calculate aspect ratio

        $aspectRatio = $originalWidth/$originalHeight;

        // Calculate the resulting height

        $desiredHeight = $desiredWidth/$aspectRatio;

        // Get image info

        $fileInfo = $this->getImageFileInfo($filePath);

        // Resize the image

        $resultingImage = imagecreatetruecolor($desiredWidth, $desiredHeight);

        if (substr($fileInfo['type'], 0, 9) =='image/png') {

            $originalImage = imagecreatefrompng($filePath);

        } else {

            $originalImage = imagecreatefromjpeg($filePath);

        }

        imagecopyresampled($resultingImage, $originalImage, 0, 0, 0, 0,

        $desiredWidth, $desiredHeight, $originalWidth, $originalHeight);

        // Save the resized image to temporary location

        $tmpFileName = tempnam("/tmp", "FOO");

        imagejpeg($resultingImage, $tmpFileName, 80);

        // Return the path to resulting image.

        return $tmpFileName;

    }

}