Constraint::toString()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 4
nc 2
nop 0
dl 0
loc 8
ccs 5
cts 5
cp 1
crap 2
rs 10
c 1
b 0
f 0
1
<?php
2
3
declare(strict_types=1);
4
5
namespace VGirol\JsonApiStructure\Constraint;
6
7
use VGirol\JsonApiStructure\Exception\ValidationException;
8
9
/**
10
 * Abstract class for constraint
11
 */
12
abstract class Constraint
13
{
14
    /**
15
     * Undocumented variable
16
     *
17
     * @var string
18
     */
19
    private $failureMessage;
20
21
    /**
22
     * Returns a string representation of the constraint.
23
     */
24
    abstract public function default(): string;
25
26
    /**
27
     * Returns a string representation of the constraint.
28
     */
29 174
    public function toString(): string
30
    {
31 174
        $failureMessage = $this->default();
32 174
        if ($this->failureMessage) {
33 84
            $failureMessage .= "\n" . $this->failureMessage;
34
        }
35
36 174
        return $failureMessage;
37
    }
38
39
    /**
40
     * Evaluates the constraint for parameter $other
41
     *
42
     * @param mixed      $inspected
43
     * @param string     $description
44
     * @param string|int $code
45
     *
46
     * @return void
47
     * @throws \VGirol\JsonApiStructure\Exception\ValidationException
48
     */
49 462
    public function evaluate($inspected, string $description = '', $code = 403): void
50
    {
51 462
        $success = $this->handle($inspected);
52
53 462
        if (!$success) {
54 174
            $this->fail($description, $code);
55
        }
56 372
    }
57
58
    /**
59
     * Evaluates the constraint for parameter $inspected. Returns true if the constraint is met, false otherwise.
60
     *
61
     * @param mixed  $inspected value or object to evaluate
62
     *
63
     * @return boolean
64
     */
65
    abstract public function handle($inspected): bool;
66
67
    /**
68
     * Undocumented function
69
     *
70
     * @param string $message
71
     *
72
     * @return void
73
     */
74 84
    protected function setFailureMessage(string $message): void
75
    {
76 84
        $this->failureMessage = $message;
77 84
    }
78
79
    /**
80
     * Undocumented function
81
     *
82
     * @param string $description
83
     * @param mixed  $code
84
     *
85
     * @return void
86
     * @throws \VGirol\JsonApiStructure\Exception\ValidationException
87
     */
88 174
    private function fail(string $description, $code)
89
    {
90 174
        $failureMessage = $this->toString();
91 174
        if ($description) {
92 6
            $failureMessage .= "\n" . $description;
93
        }
94
95 174
        throw new ValidationException($failureMessage, $code);
96
    }
97
}
98