|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of the Divergence package. |
|
4
|
|
|
* |
|
5
|
|
|
* (c) Henry Paradiz <[email protected]> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace Divergence\Models; |
|
12
|
|
|
|
|
13
|
|
|
use Exception; |
|
14
|
|
|
|
|
15
|
|
|
use ReflectionClass; |
|
16
|
|
|
|
|
17
|
|
|
use Divergence\IO\Database\MySQL as DB; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Relations. |
|
21
|
|
|
* |
|
22
|
|
|
* @package Divergence |
|
23
|
|
|
* @author Henry Paradiz <[email protected]> |
|
24
|
|
|
* |
|
25
|
|
|
* @property array $_classRelationships |
|
26
|
|
|
* @property array $_classFields |
|
27
|
|
|
* @property string $rootClass |
|
28
|
|
|
* @property array $contextClasses |
|
29
|
|
|
*/ |
|
30
|
|
|
trait Relations |
|
31
|
|
|
{ |
|
32
|
|
|
protected $_relatedObjects = []; |
|
33
|
|
|
|
|
34
|
|
|
public static function _relationshipExists($relationship) |
|
35
|
|
|
{ |
|
36
|
|
|
if (is_array(static::$_classRelationships[get_called_class()])) { |
|
37
|
|
|
return array_key_exists($relationship, static::$_classRelationships[get_called_class()]); |
|
38
|
|
|
} else { |
|
39
|
|
|
return false; |
|
40
|
|
|
} |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Called when anything relationships related is used for the first time to define relationships before _initRelationships |
|
45
|
|
|
*/ |
|
46
|
|
|
protected static function _defineRelationships() |
|
47
|
|
|
{ |
|
48
|
|
|
$className = get_called_class(); |
|
49
|
|
|
$classes = class_parents($className); |
|
50
|
|
|
array_unshift($classes, $className); |
|
51
|
|
|
static::$_classRelationships[$className] = []; |
|
52
|
|
|
while ($class = array_pop($classes)) { |
|
53
|
|
|
if (!empty($class::$relationships)) { |
|
54
|
|
|
static::$_classRelationships[$className] = array_merge(static::$_classRelationships[$className], $class::$relationships); |
|
55
|
|
|
} |
|
56
|
|
|
if (static::isVersioned() && !empty($class::$versioningRelationships)) { |
|
57
|
|
|
static::$_classRelationships[$className] = array_merge(static::$_classRelationships[$className], $class::$versioningRelationships); |
|
58
|
|
|
} |
|
59
|
|
|
} |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* Called after _defineRelationships to initialize and apply defaults to the relationships property |
|
65
|
|
|
* Must be idempotent as it may be applied multiple times up the inheritence chain |
|
66
|
|
|
*/ |
|
67
|
|
|
protected static function _initRelationships() |
|
68
|
|
|
{ |
|
69
|
|
|
$className = get_called_class(); |
|
70
|
|
|
if (!empty(static::$_classRelationships[$className])) { |
|
71
|
|
|
$relationships = []; |
|
72
|
|
|
foreach (static::$_classRelationships[$className] as $relationship => $options) { |
|
73
|
|
|
if (is_array($options)) { |
|
74
|
|
|
$relationships[$relationship] = static::_initRelationship($relationship, $options); |
|
75
|
|
|
} |
|
76
|
|
|
} |
|
77
|
|
|
static::$_classRelationships[$className] = $relationships; |
|
78
|
|
|
} |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
// TODO: Make relations getPrimaryKeyValue() instead of using ID all the time. |
|
82
|
|
|
protected static function _initRelationship($relationship, $options) |
|
83
|
|
|
{ |
|
84
|
|
|
$classShortName = basename(str_replace('\\', '/', static::$rootClass)); |
|
85
|
|
|
|
|
86
|
|
|
// apply defaults |
|
87
|
|
|
if (empty($options['type'])) { |
|
88
|
|
|
$options['type'] = 'one-one'; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
if ($options['type'] == 'one-one') { |
|
92
|
|
|
if (empty($options['local'])) { |
|
93
|
|
|
$options['local'] = $relationship . 'ID'; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
if (empty($options['foreign'])) { |
|
97
|
|
|
$options['foreign'] = 'ID'; |
|
98
|
|
|
} |
|
99
|
|
|
} elseif ($options['type'] == 'one-many') { |
|
100
|
|
|
if (empty($options['local'])) { |
|
101
|
|
|
$options['local'] = 'ID'; |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
if (empty($options['foreign'])) { |
|
105
|
|
|
$options['foreign'] = $classShortName. 'ID'; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
if (!isset($options['indexField'])) { |
|
109
|
|
|
$options['indexField'] = false; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
if (!isset($options['conditions'])) { |
|
113
|
|
|
$options['conditions'] = []; |
|
114
|
|
|
} elseif (is_string($options['conditions'])) { |
|
115
|
|
|
$options['conditions'] = [$options['conditions']]; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
if (!isset($options['order'])) { |
|
119
|
|
|
$options['order'] = false; |
|
120
|
|
|
} |
|
121
|
|
|
} elseif ($options['type'] == 'context-children') { |
|
122
|
|
|
if (empty($options['local'])) { |
|
123
|
|
|
$options['local'] = 'ID'; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
if (empty($options['contextClass'])) { |
|
127
|
|
|
$options['contextClass'] = get_called_class(); |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
if (!isset($options['indexField'])) { |
|
131
|
|
|
$options['indexField'] = false; |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
if (!isset($options['conditions'])) { |
|
135
|
|
|
$options['conditions'] = []; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
if (!isset($options['order'])) { |
|
139
|
|
|
$options['order'] = false; |
|
140
|
|
|
} |
|
141
|
|
|
} elseif ($options['type'] == 'context-parent') { |
|
142
|
|
|
if (empty($options['local'])) { |
|
143
|
|
|
$options['local'] = 'ContextID'; |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
if (empty($options['foreign'])) { |
|
147
|
|
|
$options['foreign'] = 'ID'; |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
if (empty($options['classField'])) { |
|
151
|
|
|
$options['classField'] = 'ContextClass'; |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
if (empty($options['allowedClasses'])) { |
|
155
|
|
|
$options['allowedClasses'] = static::$contextClasses; |
|
156
|
|
|
} |
|
157
|
|
|
} elseif ($options['type'] == 'many-many') { |
|
158
|
|
|
if (empty($options['class'])) { |
|
159
|
|
|
throw new Exception('Relationship type many-many option requires a class setting.'); |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
if (empty($options['linkClass'])) { |
|
163
|
|
|
throw new Exception('Relationship type many-many option requires a linkClass setting.'); |
|
164
|
|
|
} |
|
165
|
|
|
|
|
166
|
|
|
if (empty($options['linkLocal'])) { |
|
167
|
|
|
$options['linkLocal'] = $classShortName . 'ID'; |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
|
|
if (empty($options['linkForeign'])) { |
|
171
|
|
|
$foreignShortname = basename(str_replace('\\', '/', $options['class']::$rootClass)); |
|
172
|
|
|
$options['linkForeign'] = $foreignShortname . 'ID'; |
|
173
|
|
|
} |
|
174
|
|
|
|
|
175
|
|
|
if (empty($options['local'])) { |
|
176
|
|
|
$options['local'] = 'ID'; |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
if (empty($options['foreign'])) { |
|
180
|
|
|
$options['foreign'] = 'ID'; |
|
181
|
|
|
} |
|
182
|
|
|
|
|
183
|
|
|
if (!isset($options['indexField'])) { |
|
184
|
|
|
$options['indexField'] = false; |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
if (!isset($options['conditions'])) { |
|
188
|
|
|
$options['conditions'] = []; |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
if (!isset($options['order'])) { |
|
192
|
|
|
$options['order'] = false; |
|
193
|
|
|
} |
|
194
|
|
|
} |
|
195
|
|
|
|
|
196
|
|
|
if (static::isVersioned() && $options['type'] == 'history') { |
|
197
|
|
|
if (empty($options['class'])) { |
|
198
|
|
|
$options['class'] = get_called_class(); |
|
199
|
|
|
} |
|
200
|
|
|
} |
|
201
|
|
|
|
|
202
|
|
|
return $options; |
|
203
|
|
|
} |
|
204
|
|
|
|
|
205
|
|
|
/** |
|
206
|
|
|
* Retrieves given relationships' value |
|
207
|
|
|
* @param string $relationship Name of relationship |
|
208
|
|
|
* @return mixed value |
|
209
|
|
|
*/ |
|
210
|
|
|
protected function _getRelationshipValue($relationship) |
|
211
|
|
|
{ |
|
212
|
|
|
if (!isset($this->_relatedObjects[$relationship])) { |
|
213
|
|
|
$rel = static::$_classRelationships[get_called_class()][$relationship]; |
|
214
|
|
|
|
|
215
|
|
|
if ($rel['type'] == 'one-one') { |
|
216
|
|
|
if ($value = $this->_getFieldValue($rel['local'])) { |
|
217
|
|
|
$this->_relatedObjects[$relationship] = $rel['class']::getByField($rel['foreign'], $value); |
|
218
|
|
|
|
|
219
|
|
|
// hook relationship for invalidation |
|
220
|
|
|
static::$_classFields[get_called_class()][$rel['local']]['relationships'][$relationship] = true; |
|
221
|
|
|
} else { |
|
222
|
|
|
$this->_relatedObjects[$relationship] = null; |
|
223
|
|
|
} |
|
224
|
|
|
} elseif ($rel['type'] == 'one-many') { |
|
225
|
|
|
if (!empty($rel['indexField']) && !$rel['class']::fieldExists($rel['indexField'])) { |
|
226
|
|
|
$rel['indexField'] = false; |
|
227
|
|
|
} |
|
228
|
|
|
|
|
229
|
|
|
$this->_relatedObjects[$relationship] = $rel['class']::getAllByWhere( |
|
230
|
|
|
array_merge($rel['conditions'], [ |
|
231
|
|
|
$rel['foreign'] => $this->_getFieldValue($rel['local']), |
|
232
|
|
|
]), |
|
233
|
|
|
[ |
|
234
|
|
|
'indexField' => $rel['indexField'], |
|
235
|
|
|
'order' => $rel['order'], |
|
236
|
|
|
'conditions' => $rel['conditions'], |
|
237
|
|
|
] |
|
238
|
|
|
); |
|
239
|
|
|
|
|
240
|
|
|
|
|
241
|
|
|
// hook relationship for invalidation |
|
242
|
|
|
static::$_classFields[get_called_class()][$rel['local']]['relationships'][$relationship] = true; |
|
243
|
|
|
} elseif ($rel['type'] == 'context-children') { |
|
244
|
|
|
if (!empty($rel['indexField']) && !$rel['class']::fieldExists($rel['indexField'])) { |
|
245
|
|
|
$rel['indexField'] = false; |
|
246
|
|
|
} |
|
247
|
|
|
|
|
248
|
|
|
$conditions = array_merge($rel['conditions'], [ |
|
249
|
|
|
'ContextClass' => $rel['contextClass'], |
|
250
|
|
|
'ContextID' => $this->_getFieldValue($rel['local']), |
|
251
|
|
|
]); |
|
252
|
|
|
|
|
253
|
|
|
$this->_relatedObjects[$relationship] = $rel['class']::getAllByWhere( |
|
254
|
|
|
$conditions, |
|
255
|
|
|
[ |
|
256
|
|
|
'indexField' => $rel['indexField'], |
|
257
|
|
|
'order' => $rel['order'], |
|
258
|
|
|
] |
|
259
|
|
|
); |
|
260
|
|
|
|
|
261
|
|
|
// hook relationship for invalidation |
|
262
|
|
|
static::$_classFields[get_called_class()][$rel['local']]['relationships'][$relationship] = true; |
|
263
|
|
|
} elseif ($rel['type'] == 'context-parent') { |
|
264
|
|
|
$className = $this->_getFieldValue($rel['classField']); |
|
265
|
|
|
$this->_relatedObjects[$relationship] = $className ? $className::getByID($this->_getFieldValue($rel['local'])) : null; |
|
266
|
|
|
|
|
267
|
|
|
// hook both relationships for invalidation |
|
268
|
|
|
static::$_classFields[get_called_class()][$rel['classField']]['relationships'][$relationship] = true; |
|
269
|
|
|
static::$_classFields[get_called_class()][$rel['local']]['relationships'][$relationship] = true; |
|
270
|
|
|
} elseif ($rel['type'] == 'many-many') { |
|
271
|
|
|
if (!empty($rel['indexField']) && !$rel['class']::fieldExists($rel['indexField'])) { |
|
272
|
|
|
$rel['indexField'] = false; |
|
273
|
|
|
} |
|
274
|
|
|
|
|
275
|
|
|
// TODO: support indexField, conditions, and order |
|
276
|
|
|
|
|
277
|
|
|
$this->_relatedObjects[$relationship] = $rel['class']::getAllByQuery( |
|
278
|
|
|
'SELECT Related.* FROM `%s` Link JOIN `%s` Related ON (Related.`%s` = Link.%s) WHERE Link.`%s` = %u AND %s', |
|
279
|
|
|
[ |
|
280
|
|
|
$rel['linkClass']::$tableName, |
|
281
|
|
|
$rel['class']::$tableName, |
|
282
|
|
|
$rel['foreign'], |
|
283
|
|
|
$rel['linkForeign'], |
|
284
|
|
|
$rel['linkLocal'], |
|
285
|
|
|
$this->_getFieldValue($rel['local']), |
|
286
|
|
|
$rel['conditions'] ? join(' AND ', $rel['conditions']) : '1', |
|
287
|
|
|
] |
|
288
|
|
|
); |
|
289
|
|
|
|
|
290
|
|
|
// hook relationship for invalidation |
|
291
|
|
|
static::$_classFields[get_called_class()][$rel['local']]['relationships'][$relationship] = true; |
|
292
|
|
|
} elseif ($rel['type'] == 'history' && static::isVersioned()) { |
|
293
|
|
|
$this->_relatedObjects[$relationship] = $rel['class']::getRevisionsByID($this->getPrimaryKeyValue(), $rel); |
|
294
|
|
|
} |
|
295
|
|
|
} |
|
296
|
|
|
|
|
297
|
|
|
return $this->_relatedObjects[$relationship]; |
|
298
|
|
|
} |
|
299
|
|
|
} |
|
300
|
|
|
|
Divergence /
framework
