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1 | <?php |
2 | |
3 | /** |
4 | * This program is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU General Public License |
6 | * as published by the Free Software Foundation; under version 2 |
7 | * of the License (non-upgradable). |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
17 | * |
18 | * Copyright (c) 2018 (original work) Open Assessment Technologies SA; |
19 | * |
20 | */ |
21 | |
22 | namespace oat\oatbox\log\logger\formatter; |
23 | |
24 | use Monolog\Formatter\FormatterInterface; |
25 | use oat\oatbox\log\logger\processor\BacktraceProcessor; |
26 | use oat\oatbox\log\logger\processor\EnvironmentProcessorAbstract; |
27 | |
28 | /** |
29 | * TAO Json style log formatter. |
30 | * |
31 | * @package oat\oatbox\log\logger\formatter |
32 | */ |
33 | class TaoJsonLogFormatter implements FormatterInterface |
34 | { |
35 | /** |
36 | * Used datetime format. |
37 | */ |
38 | public const DATETIME_FORMAT = 'd/m/Y:H:i:s O'; |
39 | |
40 | /** |
41 | * Datetime offset in the generated output. |
42 | */ |
43 | public const DATETIME_OFFSET = 'datetime'; |
44 | |
45 | /** |
46 | * Stack offset in the generated output. |
47 | */ |
48 | public const STACK_OFFSET = 'stack'; |
49 | |
50 | /** |
51 | * Severity offset in the generated output. |
52 | */ |
53 | public const SEVERITY_OFFSET = 'severity'; |
54 | |
55 | /** |
56 | * Line offset in the generated output. |
57 | */ |
58 | public const LINE_OFFSET = 'line'; |
59 | |
60 | /** |
61 | * File offset in the generated output. |
62 | */ |
63 | public const FILE_OFFSET = 'file'; |
64 | |
65 | /** |
66 | * Content/message offset in the generated output. |
67 | */ |
68 | public const CONTENT_OFFSET = 'content'; |
69 | |
70 | /** |
71 | * Backtrace offset in the generated output. |
72 | */ |
73 | public const TRACE_OFFSET = 'trace'; |
74 | |
75 | /** |
76 | * @inheritdoc |
77 | * |
78 | * @throws \RuntimeException |
79 | */ |
80 | public function format(array $record) |
81 | { |
82 | $jsonString = json_encode($this->getOutputRecord($record)); |
83 | |
84 | if ($jsonString === false) { |
85 | throw new \RuntimeException('Error happened during the log format process! (json encode error)'); |
86 | } |
87 | |
88 | return $jsonString . PHP_EOL; |
89 | } |
90 | |
91 | /** |
92 | * @inheritdoc |
93 | * |
94 | * @throws \ErrorException |
95 | */ |
96 | public function formatBatch(array $records) |
97 | { |
98 | foreach ($records as $key => $record) { |
99 | $records[$key] = $this->format($record); |
100 | } |
101 | |
102 | return $records; |
103 | } |
104 | |
105 | /** |
106 | * Returns the customized record. |
107 | * |
108 | * @param array $record |
109 | * |
110 | * @return array |
111 | */ |
112 | protected function getOutputRecord(array $record) |
113 | { |
114 | // Adds the basic log details. |
115 | $output = [ |
116 | static::DATETIME_OFFSET => $record['datetime']->format(static::DATETIME_FORMAT), |
117 | static::SEVERITY_OFFSET => $record['level_name'], |
118 | static::CONTENT_OFFSET => $record['message'], |
119 | ]; |
120 | |
121 | // Adds the context file. |
122 | if (isset($record['context']['file'])) { |
123 | $output[static::FILE_OFFSET] = $record['context']['file']; |
124 | } |
125 | |
126 | // Adds the context line. |
127 | if (isset($record['context']['line'])) { |
128 | $output[static::LINE_OFFSET] = $record['context']['line']; |
129 | } |
130 | |
131 | // Adds the stack information. |
132 | if (isset($record['extra'][EnvironmentProcessorAbstract::LOG_STACK])) { |
133 | $output[static::STACK_OFFSET] = $record['extra'][EnvironmentProcessorAbstract::LOG_STACK]; |
134 | } |
135 | |
136 | // Adds the trace information. |
137 | if (isset($record['extra'][BacktraceProcessor::TRACE_OFFSET])) { |
138 | $output[static::TRACE_OFFSET] = $record['extra'][BacktraceProcessor::TRACE_OFFSET]; |
139 | } |
140 | |
141 | return $output; |
142 | } |
143 | } |