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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
<?php
namespace Icinga\Module\Director\IcingaConfig;
use gipfl\Json\JsonString;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filter\FilterAnd;
use Icinga\Data\Filter\FilterChain;
use Icinga\Data\Filter\FilterExpression;
use Icinga\Data\Filter\FilterOr;
use Icinga\Data\Filter\FilterNot;
use Icinga\Data\Filter\FilterEqualOrGreaterThan;
use Icinga\Data\Filter\FilterEqualOrLessThan;
use Icinga\Data\Filter\FilterEqual;
use Icinga\Data\Filter\FilterGreaterThan;
use Icinga\Data\Filter\FilterLessThan;
use Icinga\Data\Filter\FilterMatch;
use Icinga\Data\Filter\FilterMatchNot;
use Icinga\Data\Filter\FilterNotEqual;
use Icinga\Exception\QueryException;
use Icinga\Module\Director\Data\Json;
use InvalidArgumentException;
class AssignRenderer
{
protected $filter;
public function __construct(Filter $filter)
{
$this->filter = $filter;
}
public static function forFilter(Filter $filter)
{
return new static($filter);
}
public function renderAssign()
{
return $this->render('assign');
}
public function renderIgnore()
{
return $this->render('ignore');
}
public function render($type)
{
return $type . ' where ' . $this->renderFilter($this->filter);
}
protected function renderFilter(Filter $filter)
{
if ($filter instanceof FilterNot) {
$parts = [];
foreach ($filter->filters() as $sub) {
$parts[] = $this->renderFilter($sub);
}
return '!(' . implode(' && ', $parts) . ')';
}
if ($filter->isChain()) {
/** @var FilterChain $filter */
return $this->renderFilterChain($filter);
} else {
/** @var FilterExpression $filter */
return $this->renderFilterExpression($filter);
}
}
protected function renderEquals($column, $expression)
{
if (substr($column, -7) === '.groups') {
return sprintf(
'%s in %s',
$expression,
$column
);
} else {
return sprintf(
'%s == %s',
$column,
$expression
);
}
}
protected function renderNotEquals($column, $expression)
{
if (substr($column, -7) === '.groups') {
return sprintf(
'!(%s in %s)',
$expression,
$column
);
} else {
return sprintf(
'%s != %s',
$column,
$expression
);
}
}
protected function renderInArray($column, $expression)
{
return sprintf(
'%s in %s',
$column,
$expression
);
}
protected function renderContains(FilterExpression $filter)
{
return sprintf(
'%s in %s',
$this->renderExpressionValue(json_decode($filter->getColumn())),
$filter->getExpression()
);
}
protected function renderFilterExpression(FilterExpression $filter)
{
if ($this->columnIsJson($filter)) {
return $this->renderContains($filter);
}
$column = $filter->getColumn();
$rawExpression = Json::decode($filter->getExpression());
$expression = $this->renderExpressionValue($rawExpression);
if (is_array($rawExpression) && $filter instanceof FilterMatch) {
return $this->renderInArray($column, $expression);
}
if (is_string($rawExpression) && ctype_digit($rawExpression)) {
// TODO: doing this for compat reasons, should work for all filters
if ($filter instanceof FilterEqualOrGreaterThan
|| $filter instanceof FilterGreaterThan
|| $filter instanceof FilterEqualOrLessThan
|| $filter instanceof FilterLessThan
) {
$expression = $rawExpression;
}
}
if ($filter instanceof FilterEqual) {
if (is_array($rawExpression)) {
return sprintf(
'%s in %s',
$column,
$expression
);
} else {
return sprintf(
'%s == %s',
$column,
$expression
);
}
} elseif ($filter instanceof FilterMatch) {
if ($rawExpression === true) {
return $column;
}
if ($rawExpression === false) {
return sprintf(
'! %s',
$column
);
}
if (strpos($expression, '*') === false) {
return $this->renderEquals($column, $expression);
} else {
return sprintf(
'match(%s, %s)',
$expression,
$column
);
}
} elseif ($filter instanceof FilterMatchNot) {
if (strpos($expression, '*') === false) {
return $this->renderNotEquals($column, $expression);
} else {
return sprintf(
'! match(%s, %s)',
$expression,
$column
);
}
} elseif ($filter instanceof FilterNotEqual) {
return sprintf(
'%s != %s',
$column,
$expression
);
} elseif ($filter instanceof FilterEqualOrGreaterThan) {
return sprintf(
'%s >= %s',
$column,
$expression
);
} elseif ($filter instanceof FilterEqualOrLessThan) {
return sprintf(
'%s <= %s',
$column,
$expression
);
} elseif ($filter instanceof FilterGreaterThan) {
return sprintf(
'%s > %s',
$column,
$expression
);
} elseif ($filter instanceof FilterLessThan) {
return sprintf(
'%s < %s',
$column,
$expression
);
} else {
throw new QueryException(
'Filter expression of type "%s" is not supported',
get_class($filter)
);
}
}
protected function renderExpressionValue($value)
{
return IcingaConfigHelper::renderPhpValue($value);
}
protected function columnIsJson(FilterExpression $filter)
{
$col = $filter->getColumn();
return strlen($col) && $col[0] === '"';
}
protected function renderFilterChain(FilterChain $filter)
{
// TODO: brackets if deeper level?
if ($filter instanceof FilterAnd) {
$op = ' && ';
} elseif ($filter instanceof FilterOr) {
$op = ' || ';
} elseif ($filter instanceof FilterNot) {
throw new InvalidArgumentException('renderFilterChain should never get a FilterNot instance');
} else {
throw new InvalidArgumentException('Cannot render filter: %s', $filter);
}
$parts = array();
if (! $filter->isEmpty()) {
/** @var Filter $f */
foreach ($filter->filters() as $f) {
if ($f instanceof FilterChain && $f->count() > 1) {
$parts[] = '(' . $this->renderFilter($f) . ')';
} else {
$parts[] = $this->renderFilter($f);
}
}
}
return implode($op, $parts);
}
}
|
