1
|
|
|
<?php |
2
|
|
|
namespace AppBundle\Sync; |
3
|
|
|
|
4
|
|
|
use AppBundle\Exception\TaskException; |
5
|
|
|
use AppBundle\Sync\Entity\FileCollection; |
6
|
|
|
use AppBundle\Sync\Entity\Task; |
7
|
|
|
use AppBundle\Sync\Entity\Task\Add; |
8
|
|
|
use AppBundle\Sync\Entity\Task\Delete; |
9
|
|
|
use AppBundle\Sync\Entity\Task\Update; |
10
|
|
|
use AppBundle\Sync\Entity\TaskCollection; |
11
|
|
|
use AppBundle\Sync\Entity\File; |
12
|
|
|
use Psr\Log\NullLogger; |
13
|
|
|
use Psr\Log\LoggerInterface; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Compare two FileCollections and generate tasks |
17
|
|
|
* |
18
|
|
|
* @author Sergey Sadovoi <[email protected]> |
19
|
|
|
*/ |
20
|
|
|
class TaskGenerator |
21
|
|
|
{ |
22
|
|
|
/** |
23
|
|
|
* @var string Path for slave file |
24
|
|
|
*/ |
25
|
|
|
protected $slavePathTpl; |
26
|
|
|
/** |
27
|
|
|
* @var LoggerInterface |
28
|
|
|
*/ |
29
|
|
|
protected $logger; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* @param string $path |
33
|
2 |
|
*/ |
34
|
|
|
public function setSlavePathTpl($path) |
35
|
2 |
|
{ |
36
|
2 |
|
$this->slavePathTpl = $path; |
37
|
|
|
} |
38
|
|
|
|
39
|
|
|
/** |
40
|
|
|
* @return string |
41
|
|
|
* |
42
|
|
|
* @throws TaskException |
43
|
3 |
|
*/ |
44
|
|
|
public function getSlavePathTpl() |
45
|
3 |
|
{ |
46
|
1 |
|
if ($this->slavePathTpl == '') { |
47
|
1 |
|
throw new TaskException( |
48
|
|
|
'[TaskGenerator] You must set the Slave Path template', |
49
|
1 |
|
TaskException::SLAVE_PATH_NOT_SET |
50
|
|
|
); |
51
|
|
|
} |
52
|
2 |
|
|
53
|
|
|
return $this->slavePathTpl; |
54
|
|
|
} |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* Get the slave path form template |
58
|
|
|
* |
59
|
|
|
* @param string $uid File uid |
60
|
|
|
* |
61
|
|
|
* @return string Path to file |
62
|
2 |
|
*/ |
63
|
|
|
public function getSlavePath($uid) |
64
|
2 |
|
{ |
65
|
2 |
|
$path = $this->getSlavePathTpl(); |
66
|
2 |
|
$path = str_replace('__uid__', $uid, $path); |
67
|
|
|
$path = str_replace('__program__', substr($uid, 0, 4), $path); |
68
|
2 |
|
|
69
|
|
|
return $path; |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* Compare collections and create tasks |
74
|
|
|
* |
75
|
|
|
* @param FileCollection $master |
76
|
|
|
* @param FileCollection $slave |
77
|
|
|
* |
78
|
|
|
* @return TaskCollection |
79
|
2 |
|
*/ |
80
|
|
|
public function handle(FileCollection $master, FileCollection $slave) |
81
|
2 |
|
{ |
82
|
2 |
|
$masterHash = $this->getHash($master); |
83
|
|
|
$slaveHash = $this->getHash($slave); |
84
|
2 |
|
|
85
|
2 |
|
$tasks = new TaskCollection(); |
86
|
2 |
|
$createTaskCounter = 0; |
87
|
|
|
$deleteTaskCounter = 0; |
88
|
2 |
|
|
89
|
|
|
$logger = $this->getLogger(); |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Add and Update |
93
|
|
|
* |
94
|
|
|
* @var File $masterFile |
95
|
|
|
* @var File $slaveFile |
96
|
2 |
|
*/ |
97
|
|
|
$diff = array_diff_assoc($masterHash, $slaveHash); |
98
|
2 |
|
|
99
|
2 |
|
foreach ($diff as $uid => $hash) { |
100
|
2 |
|
$masterFile = $master->getByUid($uid); |
101
|
|
|
$slaveFile = $slave->getByUid($uid); |
102
|
2 |
|
|
103
|
2 |
|
$new = !isset($slaveHash[$uid]); |
104
|
2 |
|
if ($new) { |
105
|
2 |
|
$task = new Add(); |
106
|
2 |
|
} else { |
107
|
|
|
$task = new Update(); |
108
|
|
|
} |
109
|
2 |
|
|
110
|
2 |
|
$task->setSourcePath($masterFile->getPath()); |
111
|
|
|
$task->setDestPath($this->getSlavePath($uid)); |
112
|
2 |
|
|
113
|
|
|
$tasks->addTask($task); |
114
|
2 |
|
|
115
|
2 |
|
$logger->info( |
116
|
2 |
|
sprintf( |
117
|
2 |
|
'[TaskGenerator] Generated "%s" task based on files: S[%s] D[%s]', |
118
|
2 |
|
$task->getName(), |
119
|
|
|
$masterFile, |
120
|
2 |
|
$slaveFile |
121
|
2 |
|
) |
122
|
|
|
); |
123
|
2 |
|
|
124
|
2 |
|
$createTaskCounter++; |
125
|
|
|
} |
126
|
|
|
|
127
|
2 |
|
// Delete |
128
|
|
|
$diff = array_diff_assoc($slaveHash, $masterHash); |
129
|
2 |
|
|
130
|
|
|
foreach ($diff as $uid => $hash) { |
131
|
2 |
|
// Skip changed files |
132
|
2 |
|
if (isset($masterHash[$uid])) { |
133
|
|
|
continue; |
134
|
|
|
} |
135
|
|
|
|
136
|
2 |
|
// Delete task |
137
|
|
|
$slaveFile = $slave->getByUid($uid); |
138
|
2 |
|
|
139
|
2 |
|
$task = new Delete(); |
140
|
|
|
$task->setDestPath($slaveFile->getPath()); |
141
|
2 |
|
|
142
|
|
|
$tasks->addTask($task); |
143
|
2 |
|
|
144
|
2 |
|
$logger->info( |
145
|
2 |
|
sprintf( |
146
|
2 |
|
'[TaskGenerator] Generated "%s" task based on file: D[%s]', |
147
|
|
|
$task->getName(), |
148
|
2 |
|
$slaveFile |
149
|
2 |
|
) |
150
|
|
|
); |
151
|
2 |
|
|
152
|
2 |
|
$deleteTaskCounter++; |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
// Halt on huge delete action |
156
|
2 |
|
if ($deleteTaskCounter > 50) { |
157
|
|
|
throw new TaskException( |
158
|
|
|
'Huge amount of DELETE tasks. Exiting.', |
159
|
|
|
TaskException::HUGE_AMOUNT_TO_DELETE |
160
|
|
|
); |
161
|
|
|
} |
162
|
2 |
|
|
163
|
|
|
return $tasks; |
164
|
|
|
} |
165
|
|
|
|
166
|
|
|
/** |
167
|
|
|
* Calculates hashes for FileCollection |
168
|
|
|
* |
169
|
|
|
* @param FileCollection $files |
170
|
|
|
* |
171
|
|
|
* @return array of hashes |
172
|
2 |
|
*/ |
173
|
|
|
private function getHash(FileCollection $files) |
174
|
2 |
|
{ |
175
|
|
|
$hash = []; |
176
|
|
|
|
177
|
|
|
/** |
178
|
|
|
* @var File $file |
179
|
2 |
|
*/ |
180
|
2 |
|
foreach ($files as $file) { |
181
|
2 |
|
$hash[$file->getUid()] = md5($file->getUid() . $file->getSize()); |
182
|
|
|
} |
183
|
2 |
|
|
184
|
|
|
return $hash; |
185
|
|
|
} |
186
|
|
|
|
187
|
|
|
/** |
188
|
|
|
* @return LoggerInterface |
189
|
2 |
|
*/ |
190
|
|
|
protected function getLogger() |
191
|
2 |
|
{ |
192
|
1 |
|
if (is_null($this->logger)) { |
193
|
|
|
return new NullLogger(); |
194
|
|
|
} |
195
|
1 |
|
|
196
|
|
|
return $this->logger; |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
/** |
200
|
|
|
* @param LoggerInterface $logger |
201
|
1 |
|
*/ |
202
|
|
|
public function setLogger(LoggerInterface $logger) |
203
|
1 |
|
{ |
204
|
1 |
|
$this->logger = $logger; |
205
|
|
|
} |
206
|
|
|
} |
207
|
|
|
|