1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
<?php
/**
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\BackgroundJob;
/**
* Class QueuedJob
*
* create a background job that is to be executed once
*
* @package OC\BackgroundJob
*/
class JobList {
/**
* @param Job|string $job
* @param mixed $argument
*/
public function add($job, $argument = null) {
if (!$this->has($job, $argument)) {
if ($job instanceof Job) {
$class = get_class($job);
} else {
$class = $job;
}
$argument = json_encode($argument);
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*jobs`(`class`, `argument`, `last_run`) VALUES(?, ?, 0)');
$query->execute(array($class, $argument));
}
}
/**
* @param Job $job
* @param mixed $argument
*/
public function remove($job, $argument = null) {
if ($job instanceof Job) {
$class = get_class($job);
} else {
$class = $job;
}
if (!is_null($argument)) {
$argument = json_encode($argument);
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*jobs` WHERE `class` = ? AND `argument` = ?');
$query->execute(array($class, $argument));
} else {
$query = \OC_DB::prepare('DELETE FROM `*PREFIX*jobs` WHERE `class` = ?');
$query->execute(array($class));
}
}
/**
* check if a job is in the list
*
* @param $job
* @param mixed $argument
* @return bool
*/
public function has($job, $argument) {
if ($job instanceof Job) {
$class = get_class($job);
} else {
$class = $job;
}
$argument = json_encode($argument);
$query = \OC_DB::prepare('SELECT `id` FROM `*PREFIX*jobs` WHERE `class` = ? AND `argument` = ?');
$result = $query->execute(array($class, $argument));
return (bool)$result->fetchRow();
}
/**
* get all jobs in the list
*
* @return Job[]
*/
public function getAll() {
$query = \OC_DB::prepare('SELECT `id`, `class`, `last_run`, `argument` FROM `*PREFIX*jobs`');
$result = $query->execute();
$jobs = array();
while ($row = $result->fetchRow()) {
$jobs[] = $this->buildJob($row);
}
return $jobs;
}
/**
* get the next job in the list
*
* @return Job
*/
public function getNext() {
$lastId = $this->getLastJob();
$query = \OC_DB::prepare('SELECT `id`, `class`, `last_run`, `argument` FROM `*PREFIX*jobs` WHERE `id` > ? ORDER BY `id` ASC', 1);
$result = $query->execute(array($lastId));
if ($row = $result->fetchRow()) {
return $this->buildJob($row);
} else {
//begin at the start of the queue
$query = \OC_DB::prepare('SELECT `id`, `class`, `last_run`, `argument` FROM `*PREFIX*jobs` ORDER BY `id` ASC', 1);
$result = $query->execute();
if ($row = $result->fetchRow()) {
return $this->buildJob($row);
} else {
return null; //empty job list
}
}
}
/**
* @param int $id
* @return Job
*/
public function getById($id) {
$query = \OC_DB::prepare('SELECT `id`, `class`, `last_run`, `argument` FROM `*PREFIX*jobs` WHERE `id` = ?');
$result = $query->execute(array($id));
if ($row = $result->fetchRow()) {
return $this->buildJob($row);
} else {
return null;
}
}
/**
* get the job object from a row in the db
*
* @param array $row
* @return Job
*/
private function buildJob($row) {
$class = $row['class'];
/**
* @var Job $job
*/
$job = new $class();
$job->setId($row['id']);
$job->setLastRun($row['last_run']);
$job->setArgument(json_decode($row['argument'], true));
return $job;
}
/**
* set the job that was last ran
*
* @param Job $job
*/
public function setLastJob($job) {
\OC_Appconfig::setValue('backgroundjob', 'lastjob', $job->getId());
}
/**
* get the id of the last ran job
*
* @return string
*/
public function getLastJob() {
return \OC_Appconfig::getValue('backgroundjob', 'lastjob', 0);
}
/**
* set the lastRun of $job to now
*
* @param Job $job
*/
public function setLastRun($job) {
$query = \OC_DB::prepare('UPDATE `*PREFIX*jobs` SET `last_run` = ? WHERE `id` = ?');
$query->execute(array(time(), $job->getId()));
}
}
|