1
|
|
|
<?php |
2
|
|
|
namespace ApacheSolrForTypo3\Solr\Facet; |
3
|
|
|
|
4
|
|
|
/*************************************************************** |
5
|
|
|
* Copyright notice |
6
|
|
|
* |
7
|
|
|
* (c) 2012-2015 Ingo Renner <[email protected]> |
8
|
|
|
* All rights reserved |
9
|
|
|
* |
10
|
|
|
* This script is part of the TYPO3 project. The TYPO3 project is |
11
|
|
|
* free software; you can redistribute it and/or modify |
12
|
|
|
* it under the terms of the GNU General Public License as published by |
13
|
|
|
* the Free Software Foundation; either version 2 of the License, or |
14
|
|
|
* (at your option) any later version. |
15
|
|
|
* |
16
|
|
|
* The GNU General Public License can be found at |
17
|
|
|
* http://www.gnu.org/copyleft/gpl.html. |
18
|
|
|
* |
19
|
|
|
* This script is distributed in the hope that it will be useful, |
20
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
21
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22
|
|
|
* GNU General Public License for more details. |
23
|
|
|
* |
24
|
|
|
* This copyright notice MUST APPEAR in all copies of the script! |
25
|
|
|
***************************************************************/ |
26
|
|
|
|
27
|
|
|
use ApacheSolrForTypo3\Solr\Search; |
28
|
|
|
use ApacheSolrForTypo3\Solr\Util; |
29
|
|
|
use TYPO3\CMS\Core\Utility\GeneralUtility; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* A facet |
33
|
|
|
* |
34
|
|
|
* @author Ingo Renner <[email protected]> |
35
|
|
|
*/ |
36
|
|
|
class Facet |
37
|
|
|
{ |
38
|
|
|
const TYPE_FIELD = 'field'; |
39
|
|
|
const TYPE_QUERY = 'query'; |
40
|
|
|
const TYPE_RANGE = 'range'; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* @var Search |
44
|
|
|
*/ |
45
|
|
|
protected $search; |
46
|
|
|
|
47
|
|
|
/** |
48
|
|
|
* The facet's name as configured on TypoScript |
49
|
|
|
* |
50
|
|
|
* @var string |
51
|
|
|
*/ |
52
|
|
|
protected $name; |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Facet type, defaults to field facet. |
56
|
|
|
* |
57
|
|
|
* @var string |
58
|
|
|
*/ |
59
|
|
|
protected $type = self::TYPE_FIELD; |
60
|
|
|
|
61
|
|
|
/** |
62
|
|
|
* The index field the facet is built from. |
63
|
|
|
* |
64
|
|
|
* @var string |
65
|
|
|
*/ |
66
|
|
|
protected $field; |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Facet configuration |
70
|
|
|
* |
71
|
|
|
* @var array |
72
|
|
|
*/ |
73
|
|
|
protected $configuration; |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* Constructor. |
77
|
|
|
* |
78
|
|
|
* @param string $facetName The facet's name |
79
|
|
|
* @param string $facetType The facet's internal type. field, range, or query |
80
|
|
|
*/ |
81
|
18 |
|
public function __construct($facetName, $facetType = self::TYPE_FIELD) |
82
|
|
|
{ |
83
|
18 |
|
$this->name = $facetName; |
84
|
18 |
|
$this->type = $facetType; |
85
|
18 |
|
$this->search = GeneralUtility::makeInstance(Search::class); |
86
|
|
|
|
87
|
18 |
|
$this->initializeConfiguration(); |
88
|
18 |
|
} |
89
|
|
|
|
90
|
|
|
/** |
91
|
|
|
* Initializes/loads the facet configuration |
92
|
|
|
* |
93
|
|
|
*/ |
94
|
18 |
|
protected function initializeConfiguration() |
95
|
|
|
{ |
96
|
18 |
|
$solrConfiguration = Util::getSolrConfiguration(); |
97
|
18 |
|
$this->configuration = $solrConfiguration->getSearchFacetingFacetByName($this->name); |
98
|
|
|
|
99
|
18 |
|
$this->field = $this->configuration['field']; |
100
|
18 |
|
} |
101
|
|
|
|
102
|
|
|
/** |
103
|
|
|
* Checks whether an option of the facet has been selected by the user by |
104
|
|
|
* checking the URL GET parameters. |
105
|
|
|
* |
106
|
|
|
* @return bool TRUE if any option of the facet is applied, FALSE otherwise |
107
|
|
|
*/ |
108
|
18 |
|
public function isActive() |
109
|
|
|
{ |
110
|
18 |
|
$isActive = false; |
111
|
|
|
|
112
|
18 |
|
$selectedOptions = $this->getSelectedOptions(); |
113
|
18 |
|
if (!empty($selectedOptions)) { |
114
|
1 |
|
$isActive = true; |
115
|
|
|
} |
116
|
|
|
|
117
|
18 |
|
return $isActive; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* Gets the facet's currently user-selected options |
122
|
|
|
* |
123
|
|
|
* @return array An array with user-selected facet options. |
124
|
|
|
*/ |
125
|
18 |
|
public function getSelectedOptions() |
126
|
|
|
{ |
127
|
18 |
|
$selectedOptions = array(); |
128
|
|
|
|
129
|
18 |
|
$resultParameters = GeneralUtility::_GET('tx_solr'); |
130
|
18 |
|
$filterParameters = array(); |
131
|
18 |
|
if (isset($resultParameters['filter'])) { |
132
|
1 |
|
$filterParameters = (array)array_map('urldecode', |
133
|
1 |
|
$resultParameters['filter']); |
134
|
|
|
} |
135
|
|
|
|
136
|
18 |
|
foreach ($filterParameters as $filter) { |
137
|
1 |
|
list($facetName, $filterValue) = explode(':', $filter); |
138
|
|
|
|
139
|
1 |
|
if ($facetName == $this->name) { |
140
|
1 |
|
$selectedOptions[] = $filterValue; |
141
|
|
|
} |
142
|
|
|
} |
143
|
|
|
|
144
|
18 |
|
return $selectedOptions; |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
/** |
148
|
|
|
* Determines if a facet has any options. |
149
|
|
|
* |
150
|
|
|
* @return bool TRUE if no facet options are given, FALSE if facet options are given |
151
|
|
|
*/ |
152
|
18 |
|
public function isEmpty() |
153
|
|
|
{ |
154
|
18 |
|
$isEmpty = false; |
155
|
|
|
|
156
|
18 |
|
$options = $this->getOptionsRaw(); |
157
|
18 |
|
$optionsCount = count($options); |
158
|
|
|
|
159
|
|
|
// facet options include '_empty_', if no options are given |
160
|
18 |
|
if ($optionsCount == 0 |
161
|
18 |
|
|| ($optionsCount == 1 && array_key_exists('_empty_', $options)) |
162
|
|
|
) { |
163
|
1 |
|
$isEmpty = true; |
164
|
|
|
} |
165
|
|
|
|
166
|
18 |
|
return $isEmpty; |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
/** |
170
|
|
|
* Checks whether requirements are fulfilled |
171
|
|
|
* |
172
|
|
|
* @return bool TRUE if conditions required to render this facet are met, FALSE otherwise |
173
|
|
|
*/ |
174
|
18 |
|
public function isRenderingAllowed() |
175
|
|
|
{ |
176
|
18 |
|
$renderingAllowed = true; |
177
|
|
|
|
178
|
18 |
|
$requirements = $this->getRequirements(); |
179
|
18 |
|
foreach ($requirements as $requirement) { |
180
|
|
|
if (!$this->isRequirementMet($requirement)) { |
181
|
|
|
$renderingAllowed = false; |
182
|
|
|
break; |
183
|
|
|
} |
184
|
|
|
} |
185
|
|
|
|
186
|
18 |
|
return $renderingAllowed; |
187
|
|
|
} |
188
|
|
|
|
189
|
|
|
/** |
190
|
|
|
* Gets the configured requirements to allow rendering of the facet. |
191
|
|
|
* |
192
|
|
|
* @return array Requirements with keys "name", "facet", and "value". |
193
|
|
|
*/ |
194
|
18 |
|
protected function getRequirements() |
195
|
|
|
{ |
196
|
18 |
|
$requirements = array(); |
197
|
|
|
|
198
|
18 |
|
if (!empty($this->configuration['requirements.'])) { |
199
|
|
|
foreach ($this->configuration['requirements.'] as $name => $requirement) { |
200
|
|
|
$requirements[] = array( |
201
|
|
|
'name' => substr($name, 0, -1), |
202
|
|
|
'facet' => $requirement['facet'], |
203
|
|
|
'values' => GeneralUtility::trimExplode(',', |
204
|
|
|
$requirement['values']), |
205
|
|
|
); |
206
|
|
|
} |
207
|
|
|
} |
208
|
|
|
|
209
|
18 |
|
return $requirements; |
210
|
|
|
} |
211
|
|
|
|
212
|
|
|
/** |
213
|
|
|
* Evaluates a single facet rendering requirement. |
214
|
|
|
* |
215
|
|
|
* @param array $requirement A requirement with keys "name", "facet", and "value". |
216
|
|
|
* @return bool TRUE if the requirement is met, FALSE otherwise. |
217
|
|
|
*/ |
218
|
|
|
protected function isRequirementMet(array $requirement) |
219
|
|
|
{ |
220
|
|
|
$requirementMet = false; |
221
|
|
|
|
222
|
|
|
$requiredFacet = GeneralUtility::makeInstance(Facet::class, $requirement['facet']); |
223
|
|
|
$selectedOptions = $requiredFacet->getSelectedOptions(); |
224
|
|
|
$csvSelectedOptions = implode(', ', $selectedOptions); |
225
|
|
|
|
226
|
|
|
foreach ($requirement['values'] as $value) { |
227
|
|
|
$noFacetOptionSelectedRequirementMet = ($value === '__none' && empty($selectedOptions)); |
228
|
|
|
$anyFacetOptionSelectedRequirementMet = ($value === '__any' && !empty($selectedOptions)); |
229
|
|
|
|
230
|
|
|
if ($noFacetOptionSelectedRequirementMet |
231
|
|
|
|| $anyFacetOptionSelectedRequirementMet |
232
|
|
|
|| in_array($value, $selectedOptions) |
233
|
|
|
|| fnmatch($value, $csvSelectedOptions) |
234
|
|
|
) { |
235
|
|
|
$requirementMet = true; |
236
|
|
|
break; |
237
|
|
|
} |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
return $requirementMet; |
241
|
|
|
} |
242
|
|
|
|
243
|
|
|
/** |
244
|
|
|
* Gets the facet's options |
245
|
|
|
* |
246
|
|
|
* @return array An array with facet options. |
247
|
|
|
*/ |
248
|
18 |
|
public function getOptionsRaw() |
249
|
|
|
{ |
250
|
18 |
|
$facetOptions = array(); |
251
|
|
|
|
252
|
18 |
|
switch ($this->type) { |
253
|
18 |
|
case self::TYPE_FIELD: |
254
|
18 |
|
$facetOptions = $this->search->getFacetFieldOptions($this->field); |
255
|
18 |
|
break; |
256
|
|
|
case self::TYPE_QUERY: |
257
|
|
|
$facetOptions = $this->search->getFacetQueryOptions($this->field); |
258
|
|
|
break; |
259
|
|
|
case self::TYPE_RANGE: |
260
|
|
|
$facetOptions = $this->search->getFacetRangeOptions($this->field); |
261
|
|
|
break; |
262
|
|
|
} |
263
|
|
|
|
264
|
18 |
|
return $facetOptions; |
265
|
|
|
} |
266
|
|
|
|
267
|
|
|
/** |
268
|
|
|
* Gets the number of options for a facet. |
269
|
|
|
* |
270
|
|
|
* @return int Number of facet options for the current facet. |
271
|
|
|
*/ |
272
|
18 |
|
public function getOptionsCount() |
273
|
|
|
{ |
274
|
18 |
|
$facetOptions = $this->getOptionsRaw(); |
275
|
|
|
|
276
|
18 |
|
return count($facetOptions); |
277
|
|
|
} |
278
|
|
|
|
279
|
|
|
/** |
280
|
|
|
* Gets the facet's name |
281
|
|
|
* |
282
|
|
|
* @return string The facet's name |
283
|
|
|
*/ |
284
|
18 |
|
public function getName() |
285
|
|
|
{ |
286
|
18 |
|
return $this->name; |
287
|
|
|
} |
288
|
|
|
|
289
|
|
|
/** |
290
|
|
|
* Gets the field name the facet is operating on. |
291
|
|
|
* |
292
|
|
|
* @return string The name of the field the facet is operating on. |
293
|
|
|
*/ |
294
|
|
|
public function getField() |
295
|
|
|
{ |
296
|
|
|
return $this->field; |
297
|
|
|
} |
298
|
|
|
|
299
|
|
|
/** |
300
|
|
|
* Gets the facet's configuration. |
301
|
|
|
* |
302
|
|
|
* @return array The facet's configuration as an array. |
303
|
|
|
*/ |
304
|
|
|
public function getConfiguration() |
305
|
|
|
{ |
306
|
|
|
return $this->configuration; |
307
|
|
|
} |
308
|
|
|
|
309
|
|
|
/** |
310
|
|
|
* Gets the facet's internal type. One of field, range, or query. |
311
|
|
|
* |
312
|
|
|
* @return string Facet type. |
313
|
|
|
*/ |
314
|
|
|
public function getType() |
315
|
|
|
{ |
316
|
|
|
return $this->type; |
317
|
|
|
} |
318
|
|
|
} |
319
|
|
|
|