|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
|
|
4
|
|
|
namespace tkanstantsin\fileupload\saver; |
|
5
|
|
|
|
|
6
|
|
|
use League\Flysystem\FilesystemInterface; |
|
7
|
|
|
use tkanstantsin\fileupload\config\InvalidConfigException; |
|
8
|
|
|
use tkanstantsin\fileupload\formatter\File; |
|
9
|
|
|
use tkanstantsin\fileupload\model\IFile; |
|
10
|
|
|
|
|
11
|
|
|
/** |
|
12
|
|
|
* Class Saver allows store processed files. |
|
13
|
|
|
* E.g. store uploaded files or cache cropped/prepared images. |
|
14
|
|
|
* |
|
15
|
|
|
* @todo add option to force rewriting existed file. |
|
16
|
|
|
*/ |
|
17
|
|
|
class Saver |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* @var IFile |
|
21
|
|
|
*/ |
|
22
|
|
|
public $file; |
|
23
|
|
|
/** |
|
24
|
|
|
* Filesystem where file will be stored |
|
25
|
|
|
* @var FilesystemInterface |
|
26
|
|
|
*/ |
|
27
|
|
|
public $filesystem; |
|
28
|
|
|
/** |
|
29
|
|
|
* File path in $filesystem |
|
30
|
|
|
* @var string |
|
31
|
|
|
*/ |
|
32
|
|
|
public $path; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Saver constructor. |
|
36
|
|
|
* @param IFile $file |
|
37
|
|
|
* @param FilesystemInterface $filesystem |
|
38
|
|
|
* @param string $path |
|
39
|
|
|
* @throws InvalidConfigException |
|
40
|
|
|
*/ |
|
41
|
1 |
|
public function __construct(IFile $file, FilesystemInterface $filesystem, string $path) |
|
42
|
|
|
{ |
|
43
|
1 |
|
$this->file = $file; |
|
44
|
1 |
|
$this->filesystem = $filesystem; |
|
45
|
1 |
|
$this->path = $path; |
|
46
|
|
|
|
|
47
|
1 |
|
if ($this->path === '') { |
|
48
|
|
|
throw new InvalidConfigException('Saver path must be not empty'); |
|
49
|
|
|
} |
|
50
|
1 |
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Copies, processes and saves file in $filesystem |
|
54
|
|
|
* @param \tkanstantsin\fileupload\formatter\File $formatter |
|
55
|
|
|
* @return bool |
|
56
|
|
|
* @throws \InvalidArgumentException |
|
57
|
|
|
* @throws \League\Flysystem\FileNotFoundException |
|
58
|
|
|
*/ |
|
59
|
1 |
|
public function save(File $formatter): bool |
|
60
|
|
|
{ |
|
61
|
1 |
|
$isCached = $this->isSaved(); |
|
62
|
1 |
|
$isEmpty = $this->isEmpty(); |
|
63
|
1 |
|
if ($isCached && !$isEmpty) { |
|
64
|
|
|
$formatter->triggerEvent(File::EVENT_CACHED); |
|
65
|
|
|
|
|
66
|
|
|
return true; |
|
67
|
|
|
} |
|
68
|
1 |
|
if ($isEmpty) { |
|
69
|
|
|
$formatter->triggerEvent(File::EVENT_EMPTY); |
|
70
|
|
|
|
|
71
|
|
|
return false; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
// checks if path is writable |
|
75
|
|
|
// create new empty file or override existed one |
|
76
|
|
|
// also caches empty result for non-formatted files |
|
77
|
1 |
|
$this->filesystem->put($this->path, null); |
|
78
|
|
|
|
|
79
|
1 |
|
$content = $formatter->getContent(); |
|
80
|
1 |
|
if ($content === false) { |
|
81
|
|
|
$formatter->triggerEvent(File::EVENT_NOT_FOUND); |
|
82
|
|
|
|
|
83
|
|
|
return false; |
|
84
|
|
|
} |
|
85
|
1 |
|
if ($content === '') { |
|
86
|
|
|
$formatter->triggerEvent(File::EVENT_ERROR); |
|
87
|
|
|
|
|
88
|
|
|
return false; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
1 |
|
$saved = $this->write($content); |
|
92
|
|
|
|
|
93
|
1 |
|
$formatter->triggerEvent($saved ? File::EVENT_CACHED : File::EVENT_ERROR); |
|
94
|
|
|
|
|
95
|
1 |
|
return $saved; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* @return bool |
|
100
|
|
|
* @throws \League\Flysystem\FileNotFoundException |
|
101
|
|
|
*/ |
|
102
|
1 |
|
protected function isEmpty(): bool |
|
103
|
|
|
{ |
|
104
|
1 |
|
return $this->filesystem->has($this->path) |
|
105
|
1 |
|
&& $this->filesystem->getSize($this->path) === 0; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Checks if file is already in $path. |
|
110
|
|
|
* @return bool |
|
111
|
|
|
* @throws \League\Flysystem\FileNotFoundException |
|
112
|
|
|
*/ |
|
113
|
1 |
|
protected function isSaved(): bool |
|
114
|
|
|
{ |
|
115
|
1 |
|
return $this->filesystem->has($this->path) |
|
116
|
1 |
|
&& $this->filesystem->getTimestamp($this->path) > $this->file->getUpdatedAt(); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* Saves file into $filesystem |
|
121
|
|
|
* @param $content |
|
122
|
|
|
* @return bool |
|
123
|
|
|
* @throws \InvalidArgumentException |
|
124
|
|
|
*/ |
|
125
|
1 |
|
protected function write($content): bool |
|
126
|
|
|
{ |
|
127
|
1 |
|
if ($content === false || $content === null) { |
|
128
|
|
|
return false; |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
1 |
|
return \is_resource($content) |
|
132
|
|
|
? $this->filesystem->putStream($this->path, $content) |
|
133
|
1 |
|
: $this->filesystem->put($this->path, $content); |
|
134
|
|
|
} |
|
135
|
|
|
} |
t-kanstantsin /
fileupload
