photo/app/Models/Photo.php

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<?php
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namespace App\Models;
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use Illuminate\Support\Facades\Log;
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class Photo extends Abstracted\Catalog
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{
protected $table = 'photo';
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protected static $includeSubSecTime = TRUE;
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// Imagick Object
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private $_o;
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// How should the image be rotated, based on the value of orientation
private $_rotate = [
3=>180,
6=>90,
8=>-90,
];
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public function getIDLinkAttribute()
{
return $this->HTMLLinkAttribute($this->id,url('p/info').'/');
}
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/**
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* Date the photo was taken
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*/
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public function date_taken(): string
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{
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return $this->date_created
? ($this->date_created->format('Y-m-d H:i:s').($this->subsectime ? '.'.$this->subsectime : ''))
: 'UNKNOWN';
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}
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/**
* Determine the new name for the image
*/
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public function file_path($short=FALSE,$new=FALSE)
{
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$file = $this->filename;
if ($new)
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$file = sprintf('%s.%s',((is_null($this->date_created) OR ! $this->date_created)
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? sprintf('UNKNOWN/%07s',$this->file_path_id())
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: sprintf('%s_%03s',$this->date_created->format('Y/m/d-His'),$this->subsectime).
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($this->subsectime ? '' : sprintf('-%05s',$this->id))),$this->type());
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return (($short OR preg_match('/^\//',$file)) ? '' : config('photo.dir').DIRECTORY_SEPARATOR).$file;
}
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public function getHtmlImageURL(): string
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{
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return sprintf('<img class="p-3" src="%s">',url('p/thumbnail',$this->id));
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}
/**
* Return the image, rotated, minus exif data
*/
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public function image()
{
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if (is_null($imo = $this->o()))
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return NULL;
if (array_key_exists('exif',$imo->getImageProfiles()))
$imo->removeImageProfile('exif');
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return $this->rotate($imo);
}
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/**
* Calculate the GPS coordinates
*/
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public static function latlon(array $coordinate,$hemisphere)
{
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if (! $coordinate OR ! $hemisphere)
return NULL;
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for ($i=0; $i<3; $i++) {
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$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;
}
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list($degrees,$minutes,$seconds) = $coordinate;
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$sign = ($hemisphere == 'W' || $hemisphere == 'S') ? -1 : 1;
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return round($sign*($degrees+$minutes/60+$seconds/3600),($degrees>100 ? 3 : 4));
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}
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/**
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* Return an Imagick object or attribute
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*/
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protected function o($attr=NULL)
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{
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if (! file_exists($this->file_path()) OR ! is_readable($this->file_path()))
return NULL;
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if (is_null($this->_o))
$this->_o = new \Imagick($this->file_path());
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return is_null($attr) ? $this->_o : $this->_o->getImageProperty($attr);
}
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/**
* Display the orientation of a photo
*/
public function orientation() {
switch ($this->orientation) {
case 1: return 'None!';
case 3: return 'Upside Down';
case 6: return 'Rotate Right';
case 8: return 'Rotate Left';
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default: return 'unknown?';
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}
}
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/**
* 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]);
$imo->setImageFormat('jpg');
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return $imo->getImageBlob();
}
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public function property(string $property)
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{
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if (! $this->o())
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return NULL;
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switch ($property) {
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case 'creationdate':
if ($this->property('exif:DateTimeOriginal') == '0000:00:00 00:00:00'
&& $this->property('exif:DateTimeOriginal') == '0000:00:00 00:00:00')
return NULL;
return strtotime(
$this->property('exif:DateTimeOriginal') && $this->property('exif:DateTimeOriginal') != '0000:00:00 00:00:00'
? $this->property('exif:DateTimeOriginal')
: $this->property('exif:DateTime'));
break;
case 'height': return $this->_o->getImageHeight();
case 'orientation': return $this->_o->getImageOrientation();
case 'signature': return $this->_o->getImageSignature();
case 'width': return $this->_o->getImageWidth();
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default:
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return $this->_o->getImageProperty($property);
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}
}
public function properties()
{
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return $this->o() ? $this->_o->getImageProperties() : [];
}
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public function setDateCreated()
{
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$this->date_created = $this->property('creationdate');
}
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public function setLocation()
{
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$this->gps_lat = static::latlon(preg_split('/,\s?/',$this->property('exif:GPSLatitude')),$this->property('exif:GPSLatitudeRef'));
$this->gps_lon = static::latlon(preg_split('/,\s?/',$this->property('exif:GPSLongitude')),$this->property('exif:GPSLongitudeRef'));
}
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public function setMakeModel()
{
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$ma = NULL;
if ($this->property('exif:Make'))
$ma = Make::firstOrCreate([
'name'=>$this->property('exif:Make'),
]);
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$mo = Model::firstOrCreate([
'name'=>$this->property('exif:Model') ?: NULL,
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'make_id'=>$ma ? $ma->id : NULL,
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]);
$so = Software::firstOrCreate([
'name'=>$this->property('exif:Software') ?: NULL,
'model_id'=>$mo->id,
]);
$this->software_id = $so->id;
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}
public function setSignature()
{
$this->signature = $this->property('signature');
$this->file_signature = md5_file($this->file_path());
}
public function setSubSecTime()
{
$this->subsectime = $this->property('exif:SubSecTimeOriginal');
// In case of an error.
if ($this->subsectime > 32767)
$this->subsectime = 32767;
if ($this->subsectime === FALSE)
$this->subsectime = 0;
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}
public function setThumbnail()
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{
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try {
$this->thumbnail = exif_thumbnail($this->file_path());
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} catch (\Exception $e) {
// @todo Couldnt get the thumbnail, so we should create one.
Log::info(sprintf('Unable to create thumbnail for %s (%s)',$this->id,$e->getMessage()));
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}
if ($this->thumbnail === FALSE)
$this->thumbnail = NULL;
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}
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/**
* Return the image's thumbnail
*/
public function thumbnail($rotate=TRUE)
{
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if (! $this->thumbnail) {
if ($this->o()->thumbnailimage(200,200,true,false)) {
$this->_o->setImageFormat('jpg');
return $this->_o->getImageBlob();
} else {
return NULL;
}
}
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if (! $rotate OR ! array_key_exists($this->orientation,$this->_rotate) OR ! extension_loaded('imagick'))
return $this->thumbnail;
$imo = new \Imagick();
$imo->readImageBlob($this->thumbnail);
$imo->setImageFormat('jpg');
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return $this->rotate($imo);
}
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/**
* Return the extension of the image
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* @todo mime-by-ext?
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*/
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public function type($mime=FALSE)
{
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return strtolower($mime ? 'image/jpeg' : pathinfo($this->filename,PATHINFO_EXTENSION));
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}
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}