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<?php
namespace Model;
use Event\FileEvent;
/**
* File model
*
* @package model
* @author Frederic Guillot
*/
class File extends Base
{
/**
* SQL table name
*
* @var string
*/
const TABLE = 'files';
/**
* Events
*
* @var string
*/
const EVENT_CREATE = 'file.create';
/**
* Get a file by the id
*
* @access public
* @param integer $file_id File id
* @return array
*/
public function getById($file_id)
{
return $this->db->table(self::TABLE)->eq('id', $file_id)->findOne();
}
/**
* Remove a file
*
* @access public
* @param integer $file_id File id
* @return bool
*/
public function remove($file_id)
{
$file = $this->getbyId($file_id);
if (! empty($file) && @unlink(FILES_DIR.$file['path'])) {
return $this->db->table(self::TABLE)->eq('id', $file_id)->remove();
}
return false;
}
/**
* Remove all files for a given task
*
* @access public
* @param integer $task_id Task id
* @return bool
*/
public function removeAll($task_id)
{
$files = $this->getAll($task_id);
foreach ($files as $file) {
$this->remove($file['id']);
}
}
/**
* Create a file entry in the database
*
* @access public
* @param integer $task_id Task id
* @param string $name Filename
* @param string $path Path on the disk
* @param bool $is_image Image or not
* @return bool
*/
public function create($task_id, $name, $path, $is_image)
{
$this->container['dispatcher']->dispatch(
self::EVENT_CREATE,
new FileEvent(array('task_id' => $task_id, 'name' => $name))
);
return $this->db->table(self::TABLE)->save(array(
'task_id' => $task_id,
'name' => $name,
'path' => $path,
'is_image' => $is_image ? '1' : '0',
));
}
/**
* Get all files for a given task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAll($task_id)
{
return $this->db->table(self::TABLE)
->eq('task_id', $task_id)
->asc('name')
->findAll();
}
/**
* Get all images for a given task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAllImages($task_id)
{
return $this->db->table(self::TABLE)
->eq('task_id', $task_id)
->eq('is_image', 1)
->asc('name')
->findAll();
}
/**
* Get all files without images for a given task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAllDocuments($task_id)
{
return $this->db->table(self::TABLE)
->eq('task_id', $task_id)
->eq('is_image', 0)
->asc('name')
->findAll();
}
/**
* Check if a filename is an image
*
* @access public
* @param string $filename Filename
* @return bool
*/
public function isImage($filename)
{
$extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
switch ($extension) {
case 'jpeg':
case 'jpg':
case 'png':
case 'gif':
return true;
}
return false;
}
/**
* Generate the path for a new filename
*
* @access public
* @param integer $project_id Project id
* @param integer $task_id Task id
* @param string $filename Filename
* @return string
*/
public function generatePath($project_id, $task_id, $filename)
{
return $project_id.DIRECTORY_SEPARATOR.$task_id.DIRECTORY_SEPARATOR.hash('sha1', $filename.time());
}
/**
* Check if the base directory is created correctly
*
* @access public
*/
public function setup()
{
if (! is_dir(FILES_DIR)) {
if (! mkdir(FILES_DIR, 0755, true)) {
die('Unable to create the upload directory: "'.FILES_DIR.'"');
}
}
if (! is_writable(FILES_DIR)) {
die('The directory "'.FILES_DIR.'" must be writeable by your webserver user');
}
}
/**
* Handle file upload
*
* @access public
* @param integer $project_id Project id
* @param integer $task_id Task id
* @param string $form_name File form name
* @return bool
*/
public function upload($project_id, $task_id, $form_name)
{
$this->setup();
$result = array();
if (! empty($_FILES[$form_name])) {
foreach ($_FILES[$form_name]['error'] as $key => $error) {
if ($error == UPLOAD_ERR_OK && $_FILES[$form_name]['size'][$key] > 0) {
$original_filename = basename($_FILES[$form_name]['name'][$key]);
$uploaded_filename = $_FILES[$form_name]['tmp_name'][$key];
$destination_filename = $this->generatePath($project_id, $task_id, $original_filename);
@mkdir(FILES_DIR.dirname($destination_filename), 0755, true);
if (@move_uploaded_file($uploaded_filename, FILES_DIR.$destination_filename)) {
$result[] = $this->create(
$task_id,
$original_filename,
$destination_filename,
$this->isImage($original_filename)
);
}
}
}
}
return count(array_unique($result)) === 1;
}
}
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