|
1
|
|
|
<?php declare(strict_types=1); |
|
2
|
|
|
|
|
3
|
|
|
namespace Compolomus\Collection; |
|
4
|
|
|
|
|
5
|
|
|
use InvalidArgumentException; |
|
6
|
|
|
|
|
7
|
|
|
class Linq |
|
8
|
|
|
{ |
|
9
|
|
|
private $collection; |
|
10
|
|
|
|
|
11
|
|
|
private const CONDITIONS_TYPES = [ |
|
12
|
|
|
'=', |
|
13
|
|
|
'!=', |
|
14
|
|
|
'>', |
|
15
|
|
|
'<', |
|
16
|
|
|
'<=', |
|
17
|
|
|
'>=', |
|
18
|
|
|
]; |
|
19
|
|
|
|
|
20
|
4 |
|
public function __construct(Collection $collection) |
|
21
|
|
|
{ |
|
22
|
4 |
|
$this->collection = $collection; |
|
23
|
4 |
|
} |
|
24
|
|
|
|
|
25
|
2 |
|
public function where(string $query): self |
|
26
|
|
|
{ |
|
27
|
2 |
|
$pattern = '#(?P<field>.*)?(?P<condition>' . implode('|', self::CONDITIONS_TYPES) . ')(?P<value>.*)#is'; |
|
28
|
|
|
|
|
29
|
2 |
|
preg_match($pattern, $query, $matches); |
|
30
|
|
|
|
|
31
|
2 |
|
$count = count($matches); |
|
32
|
|
|
|
|
33
|
2 |
|
if (!$count || $count < 4) { |
|
34
|
2 |
|
throw new InvalidArgumentException('Not matches ' . '<pre>' . print_r($matches, true) . '</pre>'); |
|
35
|
|
|
} |
|
36
|
2 |
|
$args = array_map('trim', $matches); |
|
37
|
|
|
|
|
38
|
|
|
$array = [ |
|
39
|
2 |
|
'=' => '===', |
|
40
|
|
|
'!=' => '!==', |
|
41
|
|
|
]; |
|
42
|
|
|
|
|
43
|
2 |
|
return $this->prepare($args['field'], |
|
44
|
2 |
|
(in_array($args['condition'], $array, true) ? $array[$args['condition']] : $args['condition']), |
|
45
|
2 |
|
$args['value']); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
2 |
|
private function condition($valFirst, string $condition, $valSecond): bool |
|
49
|
|
|
{ |
|
50
|
2 |
|
switch ($condition) { |
|
51
|
2 |
|
case '=': |
|
52
|
|
|
return $valFirst === $valSecond; |
|
53
|
2 |
|
case '!=': |
|
54
|
|
|
return $valFirst !== $valSecond; |
|
55
|
2 |
|
case '>': |
|
56
|
2 |
|
return $valFirst > $valSecond; |
|
57
|
|
|
case '<': |
|
58
|
|
|
return $valFirst < $valSecond; |
|
59
|
|
|
case '>=': |
|
60
|
|
|
return $valFirst >= $valSecond; |
|
61
|
|
|
case '<=': |
|
62
|
|
|
return $valFirst <= $valSecond; |
|
63
|
|
|
default: |
|
64
|
|
|
throw new InvalidArgumentException('Condition not set'); |
|
65
|
|
|
} |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
2 |
|
private function prepare(string $field, string $condition, $value): self |
|
69
|
|
|
{ |
|
70
|
2 |
|
$new = new Collection($this->collection->getGeneric()); |
|
71
|
|
|
|
|
72
|
2 |
|
foreach ($this->collection->get() as $val) { |
|
73
|
2 |
|
!$this->condition($val->$field, $condition, $value) ?: $new->addOne($val); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
2 |
|
$this->collection = $new; |
|
77
|
|
|
|
|
78
|
2 |
|
return $this; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
|
|
82
|
3 |
|
public function get(): array |
|
83
|
|
|
{ |
|
84
|
3 |
|
return $this->collection->get(); |
|
85
|
|
|
} |
|
86
|
|
|
} |
|
87
|
|
|
|
Compolomus /
Collection
