1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace BestServedCold\LaravelZendSearch\Lucene; |
4
|
|
|
|
5
|
|
|
use ZendSearch\Lucene\Index\Term; |
6
|
|
|
use ZendSearch\Lucene\Search\Query\Boolean; |
7
|
|
|
use ZendSearch\Lucene\Search\Query\Fuzzy; |
8
|
|
|
use ZendSearch\Lucene\Search\Query\MultiTerm; |
9
|
|
|
use ZendSearch\Lucene\Search\Query\Phrase; |
10
|
|
|
use ZendSearch\Lucene\Search\Query\Wildcard; |
11
|
|
|
use ZendSearch\Lucene\Search\Query\Term as QueryTerm; |
12
|
|
|
use ZendSearch\Lucene\Search\QueryHit; |
13
|
|
|
use ZendSearch\Lucene\Search\QueryParser; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Class Search |
17
|
|
|
* @package BestServedCold\LaravelZendSearch\Lucene |
18
|
|
|
*/ |
19
|
|
|
class Search |
20
|
|
|
{ |
21
|
|
|
/** |
22
|
|
|
* @var Index $index |
23
|
|
|
*/ |
24
|
|
|
protected $index; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* @var Query $query |
28
|
|
|
*/ |
29
|
|
|
protected $query; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* @var string|boolean $path |
33
|
|
|
*/ |
34
|
|
|
private $path; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* @var int $limit |
38
|
|
|
*/ |
39
|
|
|
private $limit = 25; |
40
|
|
|
|
41
|
|
|
/** |
42
|
|
|
* @var int $offset |
43
|
|
|
*/ |
44
|
|
|
private $offset = 0; |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* @var Boolean |
48
|
|
|
*/ |
49
|
|
|
private static $boolean; |
50
|
|
|
|
51
|
|
|
/** |
52
|
|
|
* Search constructor. |
53
|
|
|
* |
54
|
|
|
* @param Index $index |
55
|
|
|
* @param Query $query |
56
|
|
|
*/ |
57
|
32 |
|
public function __construct(Index $index, Query $query) |
58
|
|
|
{ |
59
|
32 |
|
$this->index = $index; |
60
|
32 |
|
$this->query = $query; |
61
|
32 |
|
QueryParser::setDefaultEncoding('UTF-8'); |
62
|
32 |
|
} |
63
|
|
|
|
64
|
|
|
/** |
65
|
|
|
* @param $name |
66
|
|
|
* @param $arguments |
67
|
|
|
* @return $this |
68
|
|
|
* @throws \BadMethodCallException |
69
|
|
|
*/ |
70
|
2 |
|
public function __call($name, $arguments) |
71
|
|
|
{ |
72
|
2 |
|
if (method_exists($this->query, $name)) { |
73
|
1 |
|
$this->query->$name($arguments); |
74
|
1 |
|
return $this; |
75
|
|
|
} |
76
|
|
|
|
77
|
1 |
|
throw new \BadMethodCallException; |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* @param integer $limit |
82
|
|
|
* @return $this |
83
|
|
|
*/ |
84
|
1 |
|
public function limit($limit) |
85
|
|
|
{ |
86
|
1 |
|
$this->limit = $limit; |
87
|
1 |
|
return $this; |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
/** |
91
|
|
|
* @param integer $offset |
92
|
|
|
* @return $this |
93
|
|
|
*/ |
94
|
1 |
|
public function offset($offset) |
95
|
|
|
{ |
96
|
1 |
|
$this->offset = $offset; |
97
|
1 |
|
return $this; |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
/** |
101
|
|
|
* @param bool|string $path |
102
|
|
|
* @return $this |
103
|
|
|
*/ |
104
|
21 |
|
public function path($path = false) |
105
|
|
|
{ |
106
|
21 |
|
$this->path = $path; |
107
|
21 |
|
return $this; |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
/** |
111
|
|
|
* @param $string |
112
|
|
|
* @return $this |
113
|
|
|
*/ |
114
|
1 |
|
public function raw($string) |
115
|
|
|
{ |
116
|
1 |
|
$this->query->add(QueryParser::parse($string)); |
117
|
1 |
|
return $this; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* @param $string |
122
|
|
|
* @param null|string $field |
123
|
|
|
* @param null $offsets |
124
|
|
|
* @return $this |
125
|
|
|
* @return $this |
126
|
|
|
*/ |
127
|
2 |
|
public function phrase($string, $field = null, $offsets = null) |
128
|
|
|
{ |
129
|
2 |
|
$this->query->add(new Phrase(explode(' ', $string), $offsets, $field)); |
130
|
2 |
|
return $this; |
131
|
|
|
} |
132
|
|
|
|
133
|
|
|
/** |
134
|
|
|
* @param $string |
135
|
|
|
* @param null|string $field |
136
|
|
|
* @return $this |
137
|
|
|
*/ |
138
|
1 |
|
public function fuzzy($string, $field = null) |
139
|
|
|
{ |
140
|
1 |
|
$this->query->add(new Fuzzy($this->indexTerm($field, $string))); |
141
|
1 |
|
return $this; |
142
|
|
|
} |
143
|
|
|
|
144
|
|
|
/** |
145
|
|
|
* @param $string |
146
|
|
|
* @param null|string $field |
147
|
|
|
* @return Term |
148
|
|
|
*/ |
149
|
4 |
|
protected function indexTerm($string, $field = null) |
150
|
|
|
{ |
151
|
4 |
|
return new Term(strtolower($string), $field); |
152
|
|
|
} |
153
|
|
|
|
154
|
|
|
/** |
155
|
|
|
* @param $string |
156
|
|
|
* @param null|string $field |
157
|
|
|
* @return $this |
158
|
|
|
*/ |
159
|
1 |
|
public function wildcard($string, $field = null) |
160
|
|
|
{ |
161
|
1 |
|
$this->query->add(new Wildcard($this->indexTerm($string, $field))); |
162
|
1 |
|
return $this; |
163
|
|
|
} |
164
|
|
|
|
165
|
|
|
/** |
166
|
|
|
* Where |
167
|
|
|
* |
168
|
|
|
* A helper method to access phrase or to pass multiple fields. Phrase doesn't "match" exactly and |
169
|
|
|
* allows searching within the text field rather than matching the whole string. |
170
|
|
|
* |
171
|
|
|
* @param boolean|$string |
172
|
|
|
* @param null|string $field |
173
|
|
|
* @return $this|bool |
174
|
|
|
*/ |
175
|
2 |
|
public function where($string, $field = null) |
176
|
|
|
{ |
177
|
2 |
|
is_array($field) |
178
|
2 |
|
? $this->multiTerm($this->mapWhereArray($string, $field)) |
179
|
2 |
|
: $this->phrase($string, $field); |
180
|
|
|
|
181
|
2 |
|
return $this; |
182
|
|
|
} |
183
|
|
|
|
184
|
|
|
/** |
185
|
|
|
* Match |
186
|
|
|
* |
187
|
|
|
* Provides an exact pattern match. |
188
|
|
|
* |
189
|
|
|
* @param $string |
190
|
|
|
* @param null $field |
191
|
|
|
* @return $this |
192
|
|
|
*/ |
193
|
2 |
|
public function match($string, $field = null) |
194
|
|
|
{ |
195
|
2 |
|
$this->query->add($this->term($string, $field)); |
196
|
2 |
|
return $this; |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
/** |
200
|
|
|
* @param array $terms |
201
|
|
|
* @return $this |
202
|
|
|
*/ |
203
|
1 |
|
public function multiTerm(array $terms) |
204
|
|
|
{ |
205
|
1 |
|
$multiTerm = new MultiTerm; |
206
|
1 |
|
foreach ($terms as $field => $value) { |
207
|
1 |
|
$multiTerm->addTerm($this->indexTerm($value, $field), null); |
208
|
1 |
|
} |
209
|
|
|
|
210
|
1 |
|
$this->query->add($multiTerm); |
211
|
|
|
|
212
|
1 |
|
return $this; |
213
|
|
|
} |
214
|
|
|
|
215
|
|
|
/** |
216
|
|
|
* @param string $string |
217
|
|
|
* @param array $array |
218
|
|
|
* @return mixed |
219
|
|
|
*/ |
220
|
1 |
|
private function mapWhereArray($string, array $array) |
221
|
|
|
{ |
222
|
1 |
|
return array_map( |
223
|
|
|
function() use ($string) { |
224
|
1 |
|
return $string; |
225
|
1 |
|
}, |
226
|
1 |
|
array_flip($array) |
227
|
1 |
|
); |
228
|
|
|
} |
229
|
|
|
|
230
|
|
|
/** |
231
|
|
|
* @param string $string |
232
|
|
|
* @param string|null $field |
233
|
|
|
* @return QueryTerm |
234
|
|
|
*/ |
235
|
3 |
|
public function term($string, $field = null) |
236
|
|
|
{ |
237
|
3 |
|
return new QueryTerm($this->indexTerm($string, $field)); |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
/** |
241
|
|
|
* @return mixed |
242
|
|
|
*/ |
243
|
2 |
|
public function hits() |
244
|
|
|
{ |
245
|
2 |
|
$index = $this->index->limit($this->limit + $this->offset)->open($this->path)->get(); |
246
|
2 |
|
self::$boolean = $this->query->getBoolean(); |
247
|
2 |
|
return $this->slice($this->mapIds($index->find(self::$boolean))); |
248
|
|
|
} |
249
|
|
|
|
250
|
|
|
/** |
251
|
|
|
* Slice |
252
|
|
|
* |
253
|
|
|
* This may look nasty, but there really isn't another way of offsetting results Lucene, and nor would |
254
|
|
|
* you want to really, that's not what it's designed for. It will be quick up to a thousand and after |
255
|
|
|
* that you should be asking the user to "refine their search". |
256
|
|
|
* |
257
|
|
|
* @param mixed $hits |
258
|
|
|
* @return array |
259
|
|
|
*/ |
260
|
2 |
|
public function slice($hits) |
261
|
|
|
{ |
262
|
2 |
|
return $this->offset ? array_slice($hits, $this->offset) : $hits; |
263
|
|
|
} |
264
|
|
|
|
265
|
|
|
/** |
266
|
|
|
* @param array|QueryHit $array |
267
|
|
|
* @return mixed |
268
|
|
|
*/ |
269
|
3 |
|
private function mapIds($array) |
270
|
|
|
{ |
271
|
3 |
|
return array_map( |
272
|
3 |
|
function(QueryHit $hit) { |
273
|
3 |
|
return isset($hit->xref_id) ? $hit->xref_id : null; |
274
|
3 |
|
}, |
275
|
|
|
$array |
276
|
3 |
|
); |
277
|
|
|
} |
278
|
|
|
|
279
|
|
|
/** |
280
|
|
|
* @return mixed |
281
|
|
|
*/ |
282
|
1 |
|
public static function getLastQuery() |
283
|
|
|
{ |
284
|
1 |
|
return self::$boolean; |
285
|
|
|
} |
286
|
|
|
} |
287
|
|
|
|