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kanboard_ynh/sources/app/Model/File.php
2015-08-16 17:04:57 +02:00

389 lines
11 KiB
PHP

<?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);
$results = array();
foreach ($files as $file) {
$results[] = $this->remove($file['id']);
}
return ! in_array(false, $results, true);
}
/**
* 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 integer $size File size
* @return bool|integer
*/
public function create($task_id, $name, $path, $size)
{
$result = $this->db->table(self::TABLE)->save(array(
'task_id' => $task_id,
'name' => substr($name, 0, 255),
'path' => $path,
'is_image' => $this->isImage($name) ? 1 : 0,
'size' => $size,
'user_id' => $this->userSession->getId() ?: 0,
'date' => time(),
));
if ($result) {
$this->container['dispatcher']->dispatch(
self::EVENT_CREATE,
new FileEvent(array('task_id' => $task_id, 'name' => $name))
);
return (int) $this->db->getLastId();
}
return false;
}
/**
* Get PicoDb query to get all files
*
* @access public
* @return \PicoDb\Table
*/
public function getQuery()
{
return $this->db
->table(self::TABLE)
->columns(
self::TABLE.'.id',
self::TABLE.'.name',
self::TABLE.'.path',
self::TABLE.'.is_image',
self::TABLE.'.task_id',
self::TABLE.'.date',
self::TABLE.'.user_id',
self::TABLE.'.size',
User::TABLE.'.username',
User::TABLE.'.name as user_name'
)
->join(User::TABLE, 'id', 'user_id')
->asc(self::TABLE.'.name');
}
/**
* Get all files for a given task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAll($task_id)
{
return $this->getQuery()->eq('task_id', $task_id)->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->getQuery()->eq('task_id', $task_id)->eq('is_image', 1)->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->getQuery()->eq('task_id', $task_id)->eq('is_image', 0)->findAll();
}
/**
* Check if a filename is an image (file types that can be shown as thumbnail)
*
* @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());
}
/**
* 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)
{
$results = array();
if (! empty($_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)) {
$results[] = $this->create(
$task_id,
$original_filename,
$destination_filename,
$_FILES[$form_name]['size'][$key]
);
}
}
}
}
return ! in_array(false, $results, true);
}
/**
* Handle screenshot upload
*
* @access public
* @param integer $project_id Project id
* @param integer $task_id Task id
* @param string $blob Base64 encoded image
* @return bool|integer
*/
public function uploadScreenshot($project_id, $task_id, $blob)
{
$data = base64_decode($blob);
if (empty($data)) {
return false;
}
$original_filename = e('Screenshot taken %s', dt('%B %e, %Y at %k:%M %p', time())).'.png';
$destination_filename = $this->generatePath($project_id, $task_id, $original_filename);
@mkdir(FILES_DIR.dirname($destination_filename), 0755, true);
@file_put_contents(FILES_DIR.$destination_filename, $data);
return $this->create(
$task_id,
$original_filename,
$destination_filename,
strlen($data)
);
}
/**
* Handle file upload (base64 encoded content)
*
* @access public
* @param integer $project_id Project id
* @param integer $task_id Task id
* @param string $filename Filename
* @param string $blob Base64 encoded image
* @return bool|integer
*/
public function uploadContent($project_id, $task_id, $filename, $blob)
{
$data = base64_decode($blob);
if (empty($data)) {
return false;
}
$destination_filename = $this->generatePath($project_id, $task_id, $filename);
@mkdir(FILES_DIR.dirname($destination_filename), 0755, true);
@file_put_contents(FILES_DIR.$destination_filename, $data);
return $this->create(
$task_id,
$filename,
$destination_filename,
strlen($data)
);
}
/**
* Generate a jpeg thumbnail from an image (output directly the image)
*
* @access public
* @param string $filename Source image
* @param integer $resize_width Desired image width
* @param integer $resize_height Desired image height
*/
public function generateThumbnail($filename, $resize_width, $resize_height)
{
$metadata = getimagesize($filename);
$src_width = $metadata[0];
$src_height = $metadata[1];
$dst_y = 0;
$dst_x = 0;
if (empty($metadata['mime'])) {
return;
}
if ($resize_width == 0 && $resize_height == 0) {
$resize_width = 100;
$resize_height = 100;
}
if ($resize_width > 0 && $resize_height == 0) {
$dst_width = $resize_width;
$dst_height = floor($src_height * ($resize_width / $src_width));
$dst_image = imagecreatetruecolor($dst_width, $dst_height);
}
elseif ($resize_width == 0 && $resize_height > 0) {
$dst_width = floor($src_width * ($resize_height / $src_height));
$dst_height = $resize_height;
$dst_image = imagecreatetruecolor($dst_width, $dst_height);
}
else {
$src_ratio = $src_width / $src_height;
$resize_ratio = $resize_width / $resize_height;
if ($src_ratio <= $resize_ratio) {
$dst_width = $resize_width;
$dst_height = floor($src_height * ($resize_width / $src_width));
$dst_y = ($dst_height - $resize_height) / 2 * (-1);
}
else {
$dst_width = floor($src_width * ($resize_height / $src_height));
$dst_height = $resize_height;
$dst_x = ($dst_width - $resize_width) / 2 * (-1);
}
$dst_image = imagecreatetruecolor($resize_width, $resize_height);
}
switch ($metadata['mime']) {
case 'image/jpeg':
case 'image/jpg':
$src_image = imagecreatefromjpeg($filename);
break;
case 'image/png':
$src_image = imagecreatefrompng($filename);
break;
case 'image/gif':
$src_image = imagecreatefromgif($filename);
break;
default:
return;
}
imagecopyresampled($dst_image, $src_image, $dst_x, $dst_y, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
imagejpeg($dst_image);
}
}