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2 |
1 | <?php |
2 | |
3 | namespace Verja\Validator; |
4 | |
5 | use Verja\Error; |
6 | use Verja\Validator; |
7 | |
8 | class DateTime extends Validator |
9 | { |
10 | /** @var string */ |
11 | protected $format; |
12 | |
13 | /** @var bool */ |
14 | protected $strict; |
15 | |
16 | /** |
17 | * DateTime constructor. |
18 | * |
19 | * When strict is set to true the resulting date will be formatted back using the given format and the value |
20 | * has to equal this value. This is helpful to prevent month and day interchanges but will fail for some natural |
21 | * date formats like `'dS of F Y' => '21st of January 2016`. |
22 | * |
23 | * @param string $format |
24 | * @param bool $strict |
25 | */ |
26 | public function __construct(string $format = null, bool $strict = false) |
27 | { |
28 | $this->format = $format; |
29 | $this->strict = $strict; |
30 | } |
31 | |
32 | |
33 | /** |
34 | * Validate $value |
35 | * |
36 | * @param mixed $value |
37 | * @param array $context |
38 | * @return bool |
39 | */ |
40 | public function validate($value, array $context = []): bool |
41 | { |
42 | if ($value instanceof \DateTime) { |
43 | return true; |
44 | } |
45 | |
46 | if (empty($this->format) && strtotime($value) === false) { |
47 | $this->error = new Error('NO_DATE', $value, 'value should be a valid date'); |
48 | return false; |
49 | } |
50 | |
51 | if (!empty($this->format)) { |
52 | $date = date_create_from_format($this->format, $value); |
53 | if ($date === false || $this->strict && $date->format($this->format) !== $value) { |
54 | $this->error = new Error( |
55 | 'NO_FORMATTED_DATE', |
56 | $value, |
57 | sprintf('value should be a valid date in format %s', $this->format), |
58 | [ 'format' => $this->format, 'strict' => $this->strict ] |
59 | ); |
60 | return false; |
61 | } |
62 | } |
63 | |
64 | return true; |
65 | } |
66 | |
67 | public function getInverseError($value) |
68 | { |
69 | return is_null($this->format) ? |
70 | new Error('IS_DATE', $value, 'value should not be a valid date') : |
71 | new Error( |
72 | 'IS_FORMATTED_DATE', |
73 | $value, |
74 | sprintf( |
75 | 'value should not be valid date in format %s', |
76 | $this->format |
77 | ), |
78 | [ 'format' => $this->format, 'strict' => $this->strict ] |
79 | ); |
80 | } |
81 | } |