|
1
|
|
|
<?php |
|
2
|
|
|
namespace Nkey\DDG\API; |
|
3
|
|
|
|
|
4
|
|
|
use Nkey\DDG\API\Model\Icon; |
|
5
|
|
|
use Nkey\DDG\API\Model\QueryResult; |
|
6
|
|
|
use Nkey\DDG\API\Model\Result; |
|
7
|
|
|
use Webmozart\Json\JsonDecoder; |
|
8
|
|
|
use ReflectionClass; |
|
9
|
|
|
use ReflectionMethod; |
|
10
|
|
|
|
|
11
|
|
|
/** |
|
12
|
|
|
* This class provides means for parsing json from duckduckgo api into a local model |
|
13
|
|
|
* |
|
14
|
|
|
* @author Maik Greubel <[email protected]> |
|
15
|
|
|
* @license Apache 2.0 |
|
16
|
|
|
*/ |
|
17
|
|
|
class QueryResultParser |
|
18
|
|
|
{ |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Parse a payload json string |
|
22
|
|
|
* |
|
23
|
|
|
* @param string $payload |
|
24
|
|
|
* The payload to parse |
|
25
|
|
|
* @return QueryResult |
|
26
|
|
|
*/ |
|
27
|
3 |
|
public function parseQueryResult(string $payload): QueryResult |
|
28
|
|
|
{ |
|
29
|
3 |
|
$decoder = new JsonDecoder(); |
|
30
|
|
|
|
|
31
|
3 |
|
$json = $decoder->decode($payload); |
|
32
|
|
|
|
|
33
|
3 |
|
$result = new QueryResult(); |
|
34
|
|
|
|
|
35
|
3 |
|
$ref = new ReflectionClass($result); |
|
36
|
3 |
|
$methods = $ref->getMethods(ReflectionMethod::IS_PUBLIC); |
|
37
|
3 |
View Code Duplication |
foreach ($methods as $method) { |
|
38
|
3 |
|
if (($propertyName = $this->getPropertyName($method))) { |
|
39
|
3 |
|
if ($propertyName === 'Meta') { |
|
40
|
3 |
|
$result = $this->parseMeta($result, $json->meta); |
|
41
|
3 |
|
continue; |
|
42
|
|
|
} |
|
43
|
3 |
|
$this->assignPropertyValue($method, $result, $json, $propertyName); |
|
44
|
|
|
} |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
3 |
|
$result = $this->parseResults($result, $json->RelatedTopics, false); |
|
48
|
3 |
|
$result = $this->parseResults($result, $json->Results, true); |
|
49
|
|
|
|
|
50
|
3 |
|
return $result; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
3 |
|
private function assignPropertyValue(ReflectionMethod $method, $destObject, $object, $propertyName) { |
|
54
|
3 |
|
if (property_exists($object, $propertyName)) { |
|
55
|
3 |
|
$property = $object->$propertyName; |
|
56
|
3 |
|
$method->invoke($destObject, $property); |
|
57
|
|
|
} |
|
58
|
3 |
|
} |
|
59
|
|
|
|
|
60
|
3 |
|
private function getPropertyName(ReflectionMethod $method) { |
|
61
|
3 |
|
$propertyName = false; |
|
62
|
3 |
|
if (substr($method->name, 0, 3) === 'set') { |
|
63
|
3 |
|
$propertyName = substr($method->name, 3); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
3 |
|
return $propertyName; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
3 |
|
private function parseResults(QueryResult $queryResult, $results, bool $isResult) |
|
70
|
|
|
{ |
|
71
|
3 |
|
foreach ($results as $result) { |
|
72
|
3 |
|
$res = new Result(); |
|
73
|
3 |
|
$ref = new ReflectionClass($res); |
|
74
|
3 |
|
$methods = $ref->getMethods(ReflectionMethod::IS_PUBLIC); |
|
75
|
3 |
View Code Duplication |
foreach ($methods as $method) { |
|
76
|
3 |
|
if (($propertyName = $this->getPropertyName($method))) { |
|
77
|
3 |
|
if ($propertyName === 'Icon') { |
|
78
|
3 |
|
$res = $this->parseIcon($res, $result->Icon); |
|
79
|
3 |
|
continue; |
|
80
|
|
|
} |
|
81
|
3 |
|
$this->assignPropertyValue($method, $res, $result, $propertyName); |
|
82
|
|
|
} |
|
83
|
|
|
} |
|
84
|
3 |
|
if( $isResult ) { |
|
85
|
1 |
|
$queryResult->addResult($res); |
|
86
|
|
|
} |
|
87
|
|
|
else { |
|
88
|
3 |
|
$queryResult->addRelatedTopic($res); |
|
89
|
|
|
} |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
3 |
|
return $queryResult; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
3 |
|
private function parseIcon(Result $result, $icon): Result |
|
96
|
|
|
{ |
|
97
|
3 |
|
$ico = new Icon(); |
|
98
|
|
|
|
|
99
|
3 |
|
$ref = new ReflectionClass($ico); |
|
100
|
3 |
|
$methods = $ref->getMethods(ReflectionMethod::IS_PUBLIC); |
|
101
|
3 |
|
foreach ($methods as $method) { |
|
102
|
3 |
|
if (($propertyName = $this->getPropertyName($method))) { |
|
103
|
3 |
|
if (property_exists($icon, $propertyName)) { |
|
104
|
3 |
|
$property = $icon->$propertyName; |
|
105
|
|
|
|
|
106
|
3 |
|
if ($propertyName === 'Height' || $propertyName === 'Width') { |
|
107
|
3 |
|
$property = intval($property); |
|
108
|
|
|
} |
|
109
|
3 |
|
$method->invoke($ico, $property); |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
3 |
|
$result->setIcon($ico); |
|
115
|
|
|
|
|
116
|
3 |
|
return $result; |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
3 |
|
private function parseMeta(QueryResult $result, $meta): QueryResult |
|
|
|
|
|
|
120
|
|
|
{ |
|
121
|
3 |
|
return $result; |
|
122
|
|
|
} |
|
123
|
|
|
} |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.