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15/05/2012

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<?php 
class Blueimp {

	var $CI;
	var $em;
	protected $options;
    
	var $album_id;
    
    function __construct($options=null) {
    
    	$this->CI =& get_instance();
        $this->CI->load->library(array('doctrine'));
        $this->CI->load->helper(array('url'));
        $this->em = $this->CI->doctrine->em;
        $this->album_id = (int) $this->CI->uri->segment(3);
		echo 'hola';
        $this->checkDirs();
    
        $this->options = array(
            'script_url' => $this->getFullUrl()."/procesarfoto/album/{$this->album_id}/", // l
            'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME'])."/repositorio/fotos/{$this->album_id}/" , //dirname($_SERVER['SCRIPT_FILENAME']).'/files/',
            'upload_url' => $this->getFullUrl()."/repositorio/fotos/{$this->album_id}/" , //$this->getFullUrl().'/files/',
            'param_name' => 'files',
            // Set the following option to 'POST', if your server does not support
            // DELETE requests. This is a parameter sent to the client:
            'delete_type' => 'DELETE',
            // The php.ini settings upload_max_filesize and post_max_size
            // take precedence over the following max_file_size setting:
            'max_file_size' => null,
            'min_file_size' => 1,
            'accept_file_types' => '/.+$/i',
            'max_number_of_files' => null,
            // Set the following option to false to enable resumable uploads:
            'discard_aborted_uploads' => true,
            // Set to true to rotate images based on EXIF meta data, if available:
            'orient_image' => false,
            'image_versions' => array(
                // Uncomment the following version to restrict the size of
                // uploaded images. You can also add additional versions with
                // their own upload directories:
                /*
                'large' => array(
                    'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME']).'/files/',
                    'upload_url' => $this->getFullUrl().'/files/',
                    'max_width' => 1920,
                    'max_height' => 1200,
                    'jpeg_quality' => 95
                ),
                */
                'thumbnail' => array(
                    'upload_dir' => dirname($_SERVER['SCRIPT_FILENAME'])."/repositorio/minis/{$this->album_id}/", //dirname($_SERVER['SCRIPT_FILENAME']).'/thumbnails/',
                    'upload_url' => $this->getFullUrl()."/repositorio/minis/{$this->album_id}/", //$this->getFullUrl().'/thumbnails/',
                    'max_width' => 80,
                    'max_height' => 80
                )
            )
        );
        if ($options) {
            $this->options = array_replace_recursive($this->options, $options);
        }
        
    }

    protected function getFullUrl() {
      	return
    		(isset($_SERVER['HTTPS']) ? 'https://' : 'http://').
    		(isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').
    		(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].
    		(isset($_SERVER['HTTPS']) && $_SERVER['SERVER_PORT'] === 443 ||
    		$_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).
    		substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
    }
    
    protected function set_file_delete_url($file) {
        $file->delete_url = $this->options['script_url']
            .'?file='.rawurlencode($file->name);
        $file->delete_type = $this->options['delete_type'];
        if ($file->delete_type !== 'DELETE') {
            $file->delete_url .= '&_method=DELETE';
        }
    }
    
    protected function get_file_object($file_name) {
        $file_path = $this->options['upload_dir'].$file_name;
        if (is_file($file_path) && $file_name[0] !== '.') {
            $file = new stdClass();
            $file->name = $file_name;
            $file->size = filesize($file_path);
            $file->url = $this->options['upload_url'].rawurlencode($file->name);
            foreach($this->options['image_versions'] as $version => $options) {
                if (is_file($options['upload_dir'].$file_name)) {
                    $file->{$version.'_url'} = $options['upload_url']
                        .rawurlencode($file->name);
                }
            }
            $this->set_file_delete_url($file);
            return $file;
        }
        return null;
    }
    
    protected function get_file_objects() {
        return array_values(array_filter(array_map(
            array($this, 'get_file_object'),
            scandir($this->options['upload_dir'])
        )));
    }

    protected function create_scaled_image($file_name, $options) {
        $file_path = $this->options['upload_dir'].$file_name;
        $new_file_path = $options['upload_dir'].$file_name;
        list($img_width, $img_height) = @getimagesize($file_path);
        if (!$img_width || !$img_height) {
            return false;
        }
        $scale = min(
            $options['max_width'] / $img_width,
            $options['max_height'] / $img_height
        );
        if ($scale >= 1) {
            if ($file_path !== $new_file_path) {
                return copy($file_path, $new_file_path);
            }
            return true;
        }
        $new_width = $img_width * $scale;
        $new_height = $img_height * $scale;
        $new_img = @imagecreatetruecolor($new_width, $new_height);
        switch (strtolower(substr(strrchr($file_name, '.'), 1))) {
            case 'jpg':
            case 'jpeg':
                $src_img = @imagecreatefromjpeg($file_path);
                $write_image = 'imagejpeg';
                $image_quality = isset($options['jpeg_quality']) ?
                    $options['jpeg_quality'] : 75;
                break;
            case 'gif':
                @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0));
                $src_img = @imagecreatefromgif($file_path);
                $write_image = 'imagegif';
                $image_quality = null;
                break;
            case 'png':
                @imagecolortransparent($new_img, @imagecolorallocate($new_img, 0, 0, 0));
                @imagealphablending($new_img, false);
                @imagesavealpha($new_img, true);
                $src_img = @imagecreatefrompng($file_path);
                $write_image = 'imagepng';
                $image_quality = isset($options['png_quality']) ?
                    $options['png_quality'] : 9;
                break;
            default:
                $src_img = null;
        }
        $success = $src_img && @imagecopyresampled(
            $new_img,
            $src_img,
            0, 0, 0, 0,
            $new_width,
            $new_height,
            $img_width,
            $img_height
        ) && $write_image($new_img, $new_file_path, $image_quality);
        // Free up memory (imagedestroy does not delete files):
        @imagedestroy($src_img);
        @imagedestroy($new_img);
        return $success;
    }
    
    protected function has_error($uploaded_file, $file, $error) {
        if ($error) {
            return $error;
        }
        if (!preg_match($this->options['accept_file_types'], $file->name)) {
            return 'acceptFileTypes';
        }
        if ($uploaded_file && is_uploaded_file($uploaded_file)) {
            $file_size = filesize($uploaded_file);
        } else {
            $file_size = $_SERVER['CONTENT_LENGTH'];
        }
        if ($this->options['max_file_size'] && (
                $file_size > $this->options['max_file_size'] ||
                $file->size > $this->options['max_file_size'])
            ) {
            return 'maxFileSize';
        }
        if ($this->options['min_file_size'] &&
            $file_size < $this->options['min_file_size']) {
            return 'minFileSize';
        }
        if (is_int($this->options['max_number_of_files']) && (
                count($this->get_file_objects()) >= $this->options['max_number_of_files'])
            ) {
            return 'maxNumberOfFiles';
        }
        return $error;
    }

    protected function upcount_name_callback($matches) {
        $index = isset($matches[1]) ? intval($matches[1]) + 1 : 1;
        $ext = isset($matches[2]) ? $matches[2] : '';
        return ' ('.$index.')'.$ext;
    }

    protected function upcount_name($name) {
        return preg_replace_callback(
            '/(?:(?: \(([\d]+)\))?(\.[^.]+))?$/',
            array($this, 'upcount_name_callback'),
            $name,
            1
        );
    }
    
    protected function trim_file_name($name, $type) {
        // Remove path information and dots around the filename, to prevent uploading
        // into different directories or replacing hidden system files.
        // Also remove control characters and spaces (\x00..\x20) around the filename:
        $file_name = trim(basename(stripslashes($name)), ".\x00..\x20");
        // Add missing file extension for known image types:
        if (strpos($file_name, '.') === false &&
            preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) {
            $file_name .= '.'.$matches[1];
        }
        if ($this->options['discard_aborted_uploads']) {
            while(is_file($this->options['upload_dir'].$file_name)) {
                $file_name = $this->upcount_name($file_name);
            }
        }
        return $this->album_id . '_' . time() . rand() . $file_name;
    }

    protected function orient_image($file_path) {
      	$exif = @exif_read_data($file_path);
        if ($exif === false) {
            return false;
        }
      	$orientation = intval(@$exif['Orientation']);
      	if (!in_array($orientation, array(3, 6, 8))) { 
      	    return false;
      	}
      	$image = @imagecreatefromjpeg($file_path);
      	switch ($orientation) {
        	  case 3:
          	    $image = @imagerotate($image, 180, 0);
          	    break;
        	  case 6:
          	    $image = @imagerotate($image, 270, 0);
          	    break;
        	  case 8:
          	    $image = @imagerotate($image, 90, 0);
          	    break;
          	default:
          	    return false;
      	}
      	$success = imagejpeg($image, $file_path);
      	// Free up memory (imagedestroy does not delete files):
      	@imagedestroy($image);
      	return $success;
    }
    
    protected function handle_file_upload($uploaded_file, $name, $size, $type, $error) {
        $file = new stdClass();
        $file->name = $this->trim_file_name($name, $type);
        $file->size = intval($size);
        $file->type = $type;
        $error = $this->has_error($uploaded_file, $file, $error);
        if (!$error && $file->name) {
            $file_path = $this->options['upload_dir'].$file->name;
            $append_file = !$this->options['discard_aborted_uploads'] &&
                is_file($file_path) && $file->size > filesize($file_path);
            clearstatcache();
            if ($uploaded_file && is_uploaded_file($uploaded_file)) {
                // multipart/formdata uploads (POST method uploads)
                if ($append_file) {
                    file_put_contents(
                        $file_path,
                        fopen($uploaded_file, 'r'),
                        FILE_APPEND
                    );
                } else {
                	$this->saveImage($file->name);
                    move_uploaded_file($uploaded_file, $file_path);
                }
            } else {
                // Non-multipart uploads (PUT method support)
                file_put_contents(
                    $file_path,
                    fopen('php://input', 'r'),
                    $append_file ? FILE_APPEND : 0
                );
            }
            $file_size = filesize($file_path);
            if ($file_size === $file->size) {
            	if ($this->options['orient_image']) {
            		$this->orient_image($file_path);
            	}
                $file->url = $this->options['upload_url'].rawurlencode($file->name);
                foreach($this->options['image_versions'] as $version => $options) {
                    if ($this->create_scaled_image($file->name, $options)) {
                        if ($this->options['upload_dir'] !== $options['upload_dir']) {
                            $file->{$version.'_url'} = $options['upload_url']
                                .rawurlencode($file->name);
                        } else {
                            clearstatcache();
                            $file_size = filesize($file_path);
                        }
                    }
                }
            } else if ($this->options['discard_aborted_uploads']) {
                unlink($file_path);
                $file->error = 'abort';
            }
            $file->size = $file_size;
            $this->set_file_delete_url($file);
        } else {
            $file->error = $error;
        }
        return $file;
    }
    
    public function get() {
        $file_name = isset($_REQUEST['file']) ?
            basename(stripslashes($_REQUEST['file'])) : null;
        if ($file_name) {
            $info = $this->get_file_object($file_name);
        } else {
            $info = $this->get_file_objects();
        }
        header('Content-type: application/json');
        echo json_encode($info);
    }
    
    public function post() {
        if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') {
            return $this->delete();
        }
        $upload = isset($_FILES[$this->options['param_name']]) ?
            $_FILES[$this->options['param_name']] : null;
        $info = array();
        if ($upload && is_array($upload['tmp_name'])) {
            // param_name is an array identifier like "files[]",
            // $_FILES is a multi-dimensional array:
            foreach ($upload['tmp_name'] as $index => $value) {
                $info[] = $this->handle_file_upload(
                    $upload['tmp_name'][$index],
                    isset($_SERVER['HTTP_X_FILE_NAME']) ?
                        $_SERVER['HTTP_X_FILE_NAME'] : $upload['name'][$index],
                    isset($_SERVER['HTTP_X_FILE_SIZE']) ?
                        $_SERVER['HTTP_X_FILE_SIZE'] : $upload['size'][$index],
                    isset($_SERVER['HTTP_X_FILE_TYPE']) ?
                        $_SERVER['HTTP_X_FILE_TYPE'] : $upload['type'][$index],
                    $upload['error'][$index]
                );
            }
        } elseif ($upload || isset($_SERVER['HTTP_X_FILE_NAME'])) {
            // param_name is a single object identifier like "file",
            // $_FILES is a one-dimensional array:
            $info[] = $this->handle_file_upload(
                isset($upload['tmp_name']) ? $upload['tmp_name'] : null,
                isset($_SERVER['HTTP_X_FILE_NAME']) ?
                    $_SERVER['HTTP_X_FILE_NAME'] : (isset($upload['name']) ?
                        $upload['name'] : null),
                isset($_SERVER['HTTP_X_FILE_SIZE']) ?
                    $_SERVER['HTTP_X_FILE_SIZE'] : (isset($upload['size']) ?
                        $upload['size'] : null),
                isset($_SERVER['HTTP_X_FILE_TYPE']) ?
                    $_SERVER['HTTP_X_FILE_TYPE'] : (isset($upload['type']) ?
                        $upload['type'] : null),
                isset($upload['error']) ? $upload['error'] : null
            );
        }
        header('Vary: Accept');
        $json = json_encode($info);
        $redirect = isset($_REQUEST['redirect']) ?
            stripslashes($_REQUEST['redirect']) : null;
        if ($redirect) {
            header('Location: '.sprintf($redirect, rawurlencode($json)));
            return;
        }
        if (isset($_SERVER['HTTP_ACCEPT']) &&
            (strpos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false)) {
            header('Content-type: application/json');
        } else {
            header('Content-type: text/plain');
        }
        echo $json;
    }
    
    public function delete() {
        $file_name = isset($_REQUEST['file']) ?
            basename(stripslashes($_REQUEST['file'])) : null;
        $file_path = $this->options['upload_dir'].$file_name;
        $success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path);
        if ($success) {
            foreach($this->options['image_versions'] as $version => $options) {
                $file = $options['upload_dir'].$file_name;
                if (is_file($file)) {
                    unlink($file);
                }
            }
        }
        header('Content-type: application/json');
        echo json_encode($success);
    }
    

    /**
     * 
     * ESTE ES MI PROPIO METODO
     * 
     */
    private function saveImage($image_name){
    	
    	$album = $this->em->find('models\Album', $this->album_id);
    	
    	$photo = new models\Photo;
        $photo->setAlbum($album);
        $photo->setImage($image_name);
        $photo->setDescription("");
        $this->em->persist($photo);
        $this->em->flush(); 
    	
    }
    
	public function setAlbumId($id){
    	$this->album_id = $id;
    }
    
    protected function createDir($dir){
    
		$conn_id = ftp_connect("ftp.devingsite.com");
		// iniciar sesión con nombre de usuario y contraseña
		$result = ftp_login($conn_id, "dev", "ivettita");

		// intentar crear el directorio $dir
		if (ftp_mkdir($conn_id, $dir))
			ftp_chmod($conn_id, 0777, $dir);
		
		ftp_close($conn_id);
    }
    
    protected function checkDirs(){
    	
    	$photos_album_dir = "public_html/repositorio/fotos/{$this->album_id}/";
    	$minis_album_dir = 	"public_html/repositorio/minis/{$this->album_id}/";
    
    	if (file_exists( dirname($_SERVER['SCRIPT_FILENAME'])."/repositorio/fotos/{$this->album_id}/"  ) == FALSE)
        	$this->createDir($photos_album_dir);
        
        if (file_exists( dirname($_SERVER['SCRIPT_FILENAME'])."/repositorio/minis/{$this->album_id}/" ) == FALSE)
        	$this->createDir($minis_album_dir);
    
		
    }
    
    

}

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