|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace MediaMonks\SonataMediaBundle\Generator; |
|
4
|
|
|
|
|
5
|
|
|
use League\Glide\Filesystem\FilesystemException; |
|
6
|
|
|
use League\Glide\Server; |
|
7
|
|
|
use MediaMonks\SonataMediaBundle\Model\MediaInterface; |
|
8
|
|
|
|
|
9
|
|
|
class ImageGenerator |
|
10
|
|
|
{ |
|
11
|
|
|
/** |
|
12
|
|
|
* @var Server |
|
13
|
|
|
*/ |
|
14
|
|
|
private $server; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* @var FilenameGeneratorInterface |
|
18
|
|
|
*/ |
|
19
|
|
|
private $filenameGenerator; |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* @var string |
|
23
|
|
|
*/ |
|
24
|
|
|
private $tmpPath; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @var string |
|
28
|
|
|
*/ |
|
29
|
|
|
private $tmpPrefix; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* @var string |
|
33
|
|
|
*/ |
|
34
|
|
|
private $fallbackImage; |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @param Server $server |
|
38
|
|
|
* @param FilenameGeneratorInterface $filenameGenerator |
|
39
|
|
|
* @param null $fallbackImage |
|
40
|
|
|
* @param null $tmpPath |
|
41
|
|
|
* @param null $tmpPrefix |
|
42
|
|
|
*/ |
|
43
|
|
|
public function __construct( |
|
44
|
|
|
Server $server, |
|
45
|
|
|
FilenameGeneratorInterface $filenameGenerator, |
|
46
|
|
|
$fallbackImage = null, |
|
47
|
|
|
$tmpPath = null, |
|
48
|
|
|
$tmpPrefix = null |
|
49
|
|
|
) { |
|
50
|
|
|
$this->server = $server; |
|
51
|
|
|
$this->filenameGenerator = $filenameGenerator; |
|
52
|
|
|
$this->fallbackImage = $fallbackImage; |
|
53
|
|
|
$this->tmpPath = $tmpPath; |
|
54
|
|
|
$this->tmpPrefix = $tmpPrefix; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @param MediaInterface $media |
|
59
|
|
|
* @param array $parameters |
|
60
|
|
|
* @return string |
|
61
|
|
|
* @throws FilesystemException |
|
62
|
|
|
*/ |
|
63
|
|
|
public function generate(MediaInterface $media, array $parameters) |
|
64
|
|
|
{ |
|
65
|
|
|
$filename = $this->filenameGenerator->generate($media, $parameters); |
|
66
|
|
|
|
|
67
|
|
|
if (!$this->server->getSource()->has($filename)) { |
|
68
|
|
|
$this->generateImage($media, $parameters, $filename); |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
return $filename; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* @param MediaInterface $media |
|
76
|
|
|
* @param array $parameters |
|
77
|
|
|
* @param $filename |
|
78
|
|
|
* @throws FilesystemException |
|
79
|
|
|
* @throws \Exception |
|
80
|
|
|
*/ |
|
81
|
|
|
private function generateImage(MediaInterface $media, array $parameters, $filename) |
|
82
|
|
|
{ |
|
83
|
|
|
$tmp = $this->getTemporaryFile(); |
|
84
|
|
|
$imageData = $this->getImageData($media); |
|
85
|
|
|
|
|
86
|
|
|
if (@file_put_contents($tmp, $imageData) === false) { |
|
87
|
|
|
throw new FilesystemException('Unable to write temporary file'); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
try { |
|
91
|
|
|
$this->doGenerateImage($filename, $tmp, $parameters); |
|
92
|
|
|
} catch (\Exception $e) { |
|
93
|
|
|
throw new \Exception('Could not generate image', 0, $e); |
|
94
|
|
|
} finally { |
|
95
|
|
|
@unlink($tmp); |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* @param MediaInterface $media |
|
101
|
|
|
* @return string |
|
102
|
|
|
* @throws FilesystemException |
|
103
|
|
|
*/ |
|
104
|
|
|
private function getImageData(MediaInterface $media) |
|
105
|
|
|
{ |
|
106
|
|
|
if ($this->server->getSource()->has($media->getImage())) { |
|
107
|
|
|
return $this->server->getSource()->read($media->getImage()); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
if (!is_null($this->fallbackImage)) { |
|
111
|
|
|
return file_get_contents($this->fallbackImage); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
throw new FilesystemException('File not found'); |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* @param $filename |
|
119
|
|
|
* @param $tmp |
|
120
|
|
|
* @param array $parameters |
|
121
|
|
|
*/ |
|
122
|
|
|
private function doGenerateImage($filename, $tmp, array $parameters) |
|
123
|
|
|
{ |
|
124
|
|
|
$this->server->getCache()->write($filename, $this->server->getApi()->run($tmp, $parameters)); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
/** |
|
128
|
|
|
* @return string |
|
129
|
|
|
*/ |
|
130
|
|
|
private function getTemporaryFile() |
|
131
|
|
|
{ |
|
132
|
|
|
if (empty($this->tmpPath)) { |
|
133
|
|
|
$this->tmpPath = sys_get_temp_dir(); |
|
134
|
|
|
} |
|
135
|
|
|
if (empty($this->tmpPrefix)) { |
|
136
|
|
|
$this->tmpPrefix = 'media'; |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
return tempnam($this->tmpPath, $this->tmpPrefix); |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
|
mediamonks /
symfony-sonata-media-bundle
