/**
* Upload image and auto create thumbnail.
*
* @param $field
* @param $path
* @param null $width
* @param null $height
* @return string
*
* @require "intervention/images:~2"
*/
function upload_image($field, $path, $width = null, $height = null)
{
$file = input()->file($field);
$filename = get_random_filename($file);
if (!is_null($width) && !is_null($height)) {
$thumbnailPath = $path . '/thumbnail/';
if (!files()->isDirectory($thumbnailPath)) {
files()->makeDirectory($thumbnailPath);
}
$filenPath = public_path($thumbnailPath . $filename);
Image::make($file->getRealPath())->resize($width, $height)->save($filenPath);
}
$file->move($path, $filename);
return $filename;
}
function get_random_filename($dir, $file_ext)
{
if (!$dir or !file_exists($dir)) {
return false;
}
$dir = rtrim($dir, '/') . '/';
$filename = md5(mt_rand(1, 99999999) . microtime());
if (file_exists($dir . $filename . '.' . $file_ext)) {
return get_random_filename($dir, $file_ext);
}
return $filename . '.' . $file_ext;
}
public function copy_attach($old_type, $new_type, $id, $uid)
{
$attachs = $this->model('publish')->get_attach($old_type, $id, null);
if (!$attachs) {
return false;
}
if ($now) {
$now += 1;
} else {
static $now;
$now = time();
}
$attach_access_key = md5($uid . $now);
foreach ($attachs as $attach) {
$new_dir = get_setting('upload_dir') . '/' . $new_type . ($new_type == 'question' ? 's' : '') . '/' . gmdate('Ymd', $now) . '/';
$file_ext = end(explode('.', $attach['file_location']));
$new_filename = get_random_filename($new_dir, $file_ext);
if (@make_dir($new_dir) and @copy($attach['path'], $new_dir . $new_filename)) {
if ($attach['is_image']) {
$old_dir = dirname($attach['path']) . '/';
foreach (AWS_APP::config()->get('image')->attachment_thumbnail as $key => $val) {
$thumb_pre = $val['w'] . 'x' . $val['h'] . '_';
@copy($old_dir . $thumb_pre . $attach['file_location'], $new_dir . $thumb_pre . $new_filename);
}
}
$this->model('publish')->add_attach($new_type, $attach['file_name'], $attach_access_key, $now, $new_filename, $attach['is_image']);
}
}
return $attach_access_key;
}
