photo/app/Models/Photo.php

294 lines
6.9 KiB
PHP

<?php
namespace App\Models;
use Carbon\Carbon;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Traits\ForwardsCalls;
use Imagick;
use App\Casts\PostgresBytea;
use App\Jobs\CatalogMove;
class Photo extends Abstracted\Catalog
{
use ForwardsCalls;
public const config = 'photo';
protected $casts = [
'created'=>'datetime:Y-m-d H:i:s',
'thumbnail'=>PostgresBytea::class,
];
protected static $includeSubSecTime = TRUE;
// Imagick Object
private ?Imagick $_o;
protected array $init = [
'creation_date',
'gps',
'heightwidth',
'signature',
'software',
'subsectime',
];
// How should the image be rotated, based on the value of orientation
private array $_rotate = [
3 => 180,
6 => 90,
8 => -90,
];
/**
* Calculate the GPS coordinates
*/
public static function latlon(array $coordinate,string $hemisphere): ?float
{
if ((! $coordinate) || (! $hemisphere))
return NULL;
for ($i=0; $i<3; $i++) {
$part = explode('/', $coordinate[$i]);
if (count($part) == 1)
$coordinate[$i] = $part[0];
elseif (count($part) == 2)
$coordinate[$i] = floatval($part[0])/floatval($part[1]);
else
$coordinate[$i] = 0;
}
list($degrees,$minutes,$seconds) = $coordinate;
$sign = ($hemisphere === 'W' || $hemisphere === 'S') ? -1 : 1;
return round($sign*($degrees+$minutes/60+$seconds/3600),($degrees>100 ? 3 : 4));
}
/**
* Forward calls to Imagick
*
* @param $method
* @param $parameters
* @return mixed|null
*/
public function __call($method,$parameters) {
if (str_starts_with($method,'Imagick_')) {
$method = preg_replace('/^Imagick_/','',$method);
return $this->o ? $this->forwardCallTo($this->_o,$method,$parameters) : NULL;
} else
return parent::__call($method,$parameters);
}
public function __get($key): mixed
{
if ($key === 'o') {
if (isset($this->_o))
return $this->_o;
if ((! file_exists($this->file_name(FALSE))) || (! is_readable($this->file_name(FALSE))))
return $this->_o = NULL;
if (! isset($this->_o))
return $this->_o = new Imagick($this->file_name(FALSE));
}
return parent::__get($key);
}
/* ATTRIBUTES */
public function getFileSignatureAttribute(string $val=NULL): string
{
return $val ?: $this->getObjectOriginal('file_signature');
}
public function getHeightAttribute(string $val=NULL): ?int
{
return $val ?: $this->getObjectOriginal('height');
}
public function getOrientationAttribute(int $val=NULL): ?int
{
return $val ?: $this->getObjectOriginal('orientation');
}
public function getSignatureAttribute(string $val=NULL): ?string
{
return $val ?: $this->getObjectOriginal('signature');
}
public function getWidthAttribute(string $val=NULL): ?int
{
return $val ?: $this->getObjectOriginal('width');
}
/* METHODS */
public function custom_init(): void
{
$this->orientation = $this->getObjectOriginal('orientation');
try {
if ($this->isReadable() && $this->o->thumbnailimage(150,150,true)) {
$this->o->setImageFormat('jpg');
$this->thumbnail = $this->o->getImageBlob();
}
} catch (\Exception $e) {
Log::info(sprintf('Unable to create thumbnail for %s (%s)',$this->id,$e->getMessage()));
}
if ($this->thumbnail === FALSE)
$this->thumbnail = NULL;
}
public function getObjectOriginal(string $property): mixed
{
switch ($property) {
case 'creation_date':
if ($this->Imagick_getImageProperty('exif:DateTimeOriginal') === '0000:00:00 00:00:00'
&& $this->Imagick_getImageProperty('exif:DateTime') === '0000:00:00 00:00:00')
return NULL;
$result = Carbon::create($x=
($this->Imagick_getImageProperty('exif:DateTimeOriginal') && ($this->Imagick_getImageProperty('exif:DateTimeOriginal') !== '0000:00:00 00:00:00'))
? $this->Imagick_getImageProperty('exif:DateTimeOriginal').$this->Imagick_getImageProperty('exif:OffsetTimeOriginal')
: $this->Imagick_getImageProperty('exif:DateTime').$this->Imagick_getImageProperty('exif:OffsetTime'));
return $result ?: NULL;
case 'file_signature':
return md5_file($this->file_name(FALSE));
case 'gps_lat':
return self::latlon(preg_split('/,\s?/',$this->Imagick_getImageProperty('exif:GPSLatitude')),$this->Imagick_getImageProperty('exif:GPSLatitudeRef'));
case 'gps_lon':
return self::latlon(preg_split('/,\s?/',$this->Imagick_getImageProperty('exif:GPSLongitude')),$this->Imagick_getImageProperty('exif:GPSLongitudeRef'));
case 'height':
return $this->Imagick_getImageHeight();
case 'identifier':
return NULL;
case 'make':
return $this->Imagick_getImageProperty('exif:Make');
case 'model':
return $this->Imagick_getImageProperty('exif:Model');
case 'orientation':
return $this->Imagick_getImageOrientation();
case 'signature':
return $this->Imagick_getImageSignature();
case 'software':
return $this->Imagick_getImageProperty('exif:Software');
case 'subsectime':
$this->subsectime = (int)$this->Imagick_getImageProperty('exif:SubSecTimeOriginal');
// In case of an error.
if ($this->subsectime > 32767)
$this->subsectime = 32767;
if ($this->subsectime === FALSE)
$this->subsectime = 0;
return $this->subsectime;
case 'width':
return $this->Imagick_getImageWidth();
default:
throw new \Exception('To implement: '.$property);
}
}
/**
* Return the image, rotated
*/
public function image(): ?string
{
if (! $this->o)
return NULL;
$imo = clone($this->o);
return $imo ? $this->rotate($imo) : NULL;
}
/**
* Display the orientation of a photo
*/
public function orientation(): string
{
switch ($this->orientation) {
case 1: return 'None!';
case 3: return 'Upside Down';
case 6: return 'Rotate Right';
case 8: return 'Rotate Left';
default: return 'unknown?';
}
}
/**
* Rotate the image
*/
private function rotate(\Imagick $imo,string $format='jpg'): string
{
if (array_key_exists($this->orientation,$this->_rotate))
$imo->rotateImage(new \ImagickPixel('none'),$this->_rotate[$this->orientation]);
$imo->setImageFormat($format);
if (array_key_exists('exif',$imo->getImageProfiles()))
$imo->removeImageProfile('exif');
return $imo->getImageBlob();
}
/**
* Return the image's thumbnail
*/
public function thumbnail($rotate=TRUE): ?string
{
if (! $this->thumbnail) {
if ($this->isReadable() && $this->o->thumbnailimage(150,150,true)) {
$this->o->setImageFormat('jpg');
return $this->o->getImageBlob();
} else {
return NULL;
}
}
if ((! $rotate) || (! array_key_exists($this->orientation,$this->_rotate)) || (! extension_loaded('imagick')))
return $this->thumbnail;
$imo = new \Imagick();
$imo->readImageBlob($this->thumbnail);
$imo->setImageFormat('jpg');
return $this->rotate($imo);
}
/**
* Return the extension of the image
*/
public function type(bool $mime=FALSE): string
{
return strtolower($mime ? mime_content_type($this->file_name(FALSE)) : pathinfo($this->filename,PATHINFO_EXTENSION));
}
}