photo/app/Model/Photo.php
2016-06-22 16:53:48 +10:00

175 lines
4.1 KiB
PHP

<?php
namespace App\Model;
use DB;
use Illuminate\Database\Eloquent\Model;
class Photo extends Model
{
protected $table = 'photo';
// Imagick Object
private $_io;
// How should the image be rotated, based on the value of orientation
private $_rotate = [
3=>180,
6=>90,
8=>-90,
];
public function date_taken() {
return $this->date_taken ? (date('Y-m-d H:i:s',$this->date_taken).($this->subsectime ? '.'.$this->subsectime : '')) : 'UNKNOWN';
}
/**
* Determine the new name for the image
*/
public function file_path($short=FALSE,$new=FALSE) {
$file = $this->filename;
if ($new)
$file = sprintf('%s.%s',((is_null($this->date_taken) OR ! $this->date_taken)
? sprintf('UNKNOWN/%07s',$this->file_path_id())
: sprintf('%s_%03s',date('Y/m/d-His',$this->date_taken),$this->subsectime).($this->subsectime ? '' : sprintf('-%05s',$this->id))),$this->type());
return (($short OR preg_match('/^\//',$file)) ? '' : config('photo.dir').DIRECTORY_SEPARATOR).$file;
}
/**
* Calculate a file path ID based on the id of the file
*/
public function file_path_id($sep=3,$depth=9) {
return trim(chunk_split(sprintf("%0{$depth}s",$this->id),$sep,'/'),'/');
}
/**
* Display the GPS coordinates
*/
public function gps() {
return ($this->gps_lat AND $this->gps_lon) ? sprintf('%s/%s',$this->gps_lat,$this->gps_lon) : 'UNKNOWN';
}
/**
* Return an Imagick object or attribute
*
*/
public function io($attr=NULL) {
if (is_null($this->_io))
$this->_io = new \Imagick($this->file_path());
return is_null($attr) ? $this->_io : $this->_io->getImageProperty($attr);
}
/**
* Calculate the GPS coordinates
*/
public function latlon(array $coordinate,$hemisphere) {
if (! $coordinate OR ! $hemisphere)
return NULL;
for ($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);
}
/**
* Rotate the image
*
*/
private function rotate(\Imagick $imo)
{
if (array_key_exists($this->orientation,$this->_rotate))
$imo->rotateImage(new \ImagickPixel('none'),$this->_rotate[$this->orientation]);
return $imo->getImageBlob();
}
/**
* Determine if the image should be moved
*/
public function shouldMove()
{
return ($this->filename != $this->file_path(TRUE,TRUE));
}
/**
* Return the image's thumbnail
*
*/
public function thumbnail($rotate=TRUE)
{
if (! $this->thumbnail)
return NULL;
if (! $rotate OR ! array_key_exists($this->orientation,$this->_rotate) OR ! extension_loaded('imagick'))
return $this->thumbnail;
$imo = new \Imagick();
$imo->readImageBlob($this->thumbnail);
return $this->rotate($imo);
}
/**
* Return the extension of the image
*/
public function type($mime=FALSE) {
return strtolower($mime ? File::mime_by_ext(pathinfo($this->filename,PATHINFO_EXTENSION)) : pathinfo($this->filename,PATHINFO_EXTENSION));
}
/**
* Find duplicate images based on some attributes of the current image
*/
public function list_duplicate() {
$po = DB::table('photo');
if ($this->id)
$po->where('id','!=',$this->id);
// Ignore photo's pending removal.
$po->where(function($query) {
$query->where('remove','!=',TRUE)
->orWhere('remove','=',NULL);
});
// Where the signature is the same
$po->where(function($query) {
$query->where('signature','=',$this->signature);
// Or they have the same time taken with the same camera
if ($this->date_taken AND ($this->model OR $this->make)) {
$query->orWhere(function($query) {
$query->where('date_taken','=',$this->date_taken ? $this->date_taken : NULL);
$query->where('subsectime','=',$this->subsectime ? $this->subsectime : NULL);
if (! is_null($this->model))
$query->where('model','=',$this->model);
if (! is_null($this->make))
$query->where('make','=',$this->make);
});
}
});
return $po;
}
}