|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Wikibase\DataModel\Deserializers; |
|
4
|
|
|
|
|
5
|
|
|
use Deserializers\Deserializer; |
|
6
|
|
|
use Deserializers\DispatchableDeserializer; |
|
7
|
|
|
use Deserializers\Exceptions\DeserializationException; |
|
8
|
|
|
use Deserializers\Exceptions\InvalidAttributeException; |
|
9
|
|
|
use Deserializers\Exceptions\MissingAttributeException; |
|
10
|
|
|
use Deserializers\Exceptions\MissingTypeException; |
|
11
|
|
|
use Deserializers\Exceptions\UnsupportedTypeException; |
|
12
|
|
|
use Wikibase\DataModel\ReferenceList; |
|
13
|
|
|
use Wikibase\DataModel\Snak\Snak; |
|
14
|
|
|
use Wikibase\DataModel\Snak\SnakList; |
|
15
|
|
|
use Wikibase\DataModel\Statement\Statement; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* Package private |
|
19
|
|
|
* |
|
20
|
|
|
* @license GPL-2.0-or-later |
|
21
|
|
|
* @author Thomas Pellissier Tanon |
|
22
|
|
|
*/ |
|
23
|
|
|
class StatementDeserializer implements DispatchableDeserializer { |
|
24
|
|
|
|
|
25
|
|
|
private static $rankIds = [ |
|
26
|
|
|
'deprecated' => Statement::RANK_DEPRECATED, |
|
27
|
|
|
'normal' => Statement::RANK_NORMAL, |
|
28
|
|
|
'preferred' => Statement::RANK_PREFERRED |
|
29
|
|
|
]; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* @var Deserializer |
|
33
|
|
|
*/ |
|
34
|
|
|
private $snakDeserializer; |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @var Deserializer |
|
38
|
|
|
*/ |
|
39
|
|
|
private $snaksDeserializer; |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @var Deserializer |
|
43
|
|
|
*/ |
|
44
|
|
|
private $referencesDeserializer; |
|
45
|
|
|
|
|
46
|
52 |
|
public function __construct( |
|
47
|
|
|
Deserializer $snakDeserializer, |
|
48
|
|
|
Deserializer $snaksDeserializer, |
|
49
|
|
|
Deserializer $referencesDeserializer |
|
50
|
|
|
) { |
|
51
|
52 |
|
$this->snakDeserializer = $snakDeserializer; |
|
52
|
52 |
|
$this->snaksDeserializer = $snaksDeserializer; |
|
53
|
52 |
|
$this->referencesDeserializer = $referencesDeserializer; |
|
54
|
52 |
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* @see DispatchableDeserializer::isDeserializerFor |
|
58
|
|
|
* |
|
59
|
|
|
* @param mixed $serialization |
|
60
|
|
|
* |
|
61
|
|
|
* @return bool |
|
62
|
|
|
*/ |
|
63
|
6 |
|
public function isDeserializerFor( $serialization ) { |
|
64
|
6 |
|
return is_array( $serialization ) |
|
65
|
6 |
|
&& array_key_exists( 'type', $serialization ) |
|
66
|
6 |
|
&& $this->isValidStatementType( $serialization['type'] ); |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* @param string $statementType |
|
71
|
|
|
* |
|
72
|
|
|
* @return bool |
|
73
|
|
|
*/ |
|
74
|
32 |
|
private function isValidStatementType( $statementType ) { |
|
75
|
32 |
|
return $statementType === 'statement' || $statementType === 'claim'; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @see Deserializer::deserialize |
|
80
|
|
|
* |
|
81
|
|
|
* @param array $serialization |
|
82
|
|
|
* |
|
83
|
|
|
* @throws DeserializationException |
|
84
|
|
|
* @return Statement |
|
85
|
|
|
*/ |
|
86
|
30 |
|
public function deserialize( $serialization ) { |
|
87
|
|
|
// Note: The following functions have been inlined on purpose, see T157013. |
|
88
|
30 |
|
if ( !is_array( $serialization ) || !array_key_exists( 'type', $serialization ) ) { |
|
89
|
2 |
|
throw new MissingTypeException(); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
28 |
|
if ( !$this->isValidStatementType( $serialization['type'] ) ) { |
|
93
|
1 |
|
throw new UnsupportedTypeException( $serialization['type'] ); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
27 |
|
if ( !array_key_exists( 'mainsnak', $serialization ) ) { |
|
97
|
1 |
|
throw new MissingAttributeException( 'mainsnak' ); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
26 |
|
return $this->getDeserialized( $serialization ); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @param array $serialization |
|
105
|
|
|
* |
|
106
|
|
|
* @return Statement |
|
107
|
|
|
*/ |
|
108
|
26 |
|
private function getDeserialized( array $serialization ) { |
|
109
|
|
|
/** @var Snak $mainSnak */ |
|
110
|
26 |
|
$mainSnak = $this->snakDeserializer->deserialize( $serialization['mainsnak'] ); |
|
111
|
26 |
|
$statement = new Statement( $mainSnak ); |
|
112
|
|
|
|
|
113
|
|
|
// Note: The following ifs are inlined on purpose, see T157013. |
|
114
|
26 |
|
if ( array_key_exists( 'id', $serialization ) ) { |
|
115
|
9 |
|
$this->setGuidFromSerialization( $serialization, $statement ); |
|
116
|
|
|
} |
|
117
|
25 |
|
if ( array_key_exists( 'qualifiers', $serialization ) ) { |
|
118
|
6 |
|
$this->setQualifiersFromSerialization( $serialization, $statement ); |
|
119
|
|
|
} |
|
120
|
24 |
|
if ( array_key_exists( 'rank', $serialization ) ) { |
|
121
|
20 |
|
$this->setRankFromSerialization( $serialization, $statement ); |
|
122
|
|
|
} |
|
123
|
23 |
|
if ( array_key_exists( 'references', $serialization ) ) { |
|
124
|
5 |
|
$this->setReferencesFromSerialization( $serialization, $statement ); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
23 |
|
return $statement; |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
9 |
|
private function setGuidFromSerialization( array $serialization, Statement $statement ) { |
|
131
|
9 |
|
if ( !is_string( $serialization['id'] ) ) { |
|
132
|
1 |
|
throw new DeserializationException( |
|
133
|
1 |
|
'The id ' . $serialization['id'] . ' is not a valid GUID.' |
|
134
|
|
|
); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
8 |
|
$statement->setGuid( $serialization['id'] ); |
|
138
|
8 |
|
} |
|
139
|
|
|
|
|
140
|
6 |
|
private function setQualifiersFromSerialization( array $serialization, Statement $statement ) { |
|
141
|
|
|
/** @var SnakList $qualifiers */ |
|
142
|
6 |
|
$qualifiers = $this->snaksDeserializer->deserialize( $serialization['qualifiers'] ); |
|
143
|
|
|
|
|
144
|
6 |
|
if ( array_key_exists( 'qualifiers-order', $serialization ) ) { |
|
145
|
5 |
|
$this->assertQualifiersOrderIsArray( $serialization ); |
|
146
|
|
|
|
|
147
|
4 |
|
$qualifiers->orderByProperty( $serialization['qualifiers-order'] ); |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
5 |
|
$statement->setQualifiers( $qualifiers ); |
|
151
|
5 |
|
} |
|
152
|
|
|
|
|
153
|
20 |
|
private function setRankFromSerialization( array $serialization, Statement $statement ) { |
|
154
|
20 |
|
if ( !array_key_exists( $serialization['rank'], self::$rankIds ) ) { |
|
155
|
1 |
|
throw new DeserializationException( |
|
156
|
1 |
|
'The rank ' . $serialization['rank'] . ' is not a valid rank.' |
|
157
|
|
|
); |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
19 |
|
$statement->setRank( self::$rankIds[$serialization['rank']] ); |
|
161
|
19 |
|
} |
|
162
|
|
|
|
|
163
|
5 |
|
private function setReferencesFromSerialization( array $serialization, Statement $statement ) { |
|
164
|
|
|
/** @var ReferenceList $references */ |
|
165
|
5 |
|
$references = $this->referencesDeserializer->deserialize( $serialization['references'] ); |
|
166
|
5 |
|
$statement->setReferences( $references ); |
|
167
|
5 |
|
} |
|
168
|
|
|
|
|
169
|
5 |
|
private function assertQualifiersOrderIsArray( array $serialization ) { |
|
170
|
5 |
|
if ( !is_array( $serialization['qualifiers-order'] ) ) { |
|
171
|
1 |
|
throw new InvalidAttributeException( |
|
172
|
1 |
|
'qualifiers-order', |
|
173
|
1 |
|
$serialization['qualifiers-order'], |
|
174
|
1 |
|
'qualifiers-order attribute is not a valid array' |
|
175
|
|
|
); |
|
176
|
|
|
} |
|
177
|
4 |
|
} |
|
178
|
|
|
|
|
179
|
|
|
} |
|
180
|
|
|
|
