src/App/Entity/ShortenedUrl.php line 21

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  1. <?php
  3. namespace App\Entity;
  5. use App\Utility\DateTimeUtility;
  6. use DateTime;
  7. use Doctrine\ORM\Mapping as ORM;
  9. use function bccomp;
  10. use function bcdiv;
  11. use function bcmod;
  12. use function bcsub;
  14. /**
  15. * @ORM\Entity()
  16. *
  17. * @ORM\Table(
  18. * name="shortened_urls",
  19. * )
  20. */
  21. class ShortenedUrl
  22. {
  23. public function __construct(string $id, string $targetUrl)
  24. {
  25. $this->createdAt = DateTimeUtility::createDateTimeUtc();
  26. $this->id = $id;
  27. $this->targetUrl = $targetUrl;
  28. }
  30. /**
  31. * @var string
  32. *
  33. * @ORM\Column(name="id", type="string", length=16)
  34. *
  35. * @ORM\Id
  36. */
  37. protected $id;
  39. public function setId(string $id): void
  40. {
  41. $this->id = $id;
  42. }
  44. public function getId()
  45. {
  46. return $this->id;
  47. }
  49. /**
  50. * @var string
  51. *
  52. * @ORM\Column(name="target_url", type="text", nullable=false)
  53. */
  54. protected $targetUrl;
  56. public function getTargetUrl(): string
  57. {
  58. return $this->targetUrl;
  59. }
  61. /**
  62. * @var DateTime
  63. *
  64. * @ORM\Column(name="created_at", type="datetime", nullable=false)
  65. */
  66. protected $createdAt;
  68. /**
  69. * @return DateTime
  70. */
  71. public function getCreatedAt()
  72. {
  73. return $this->createdAt;
  74. }
  76. /**
  77. * @var DateTime|null
  78. *
  79. * @ORM\Column(name="updated_at", type="datetime", nullable=true)
  80. */
  81. protected $updatedAt;
  83. public function getUpdatedAt(): ?DateTime
  84. {
  85. return $this->updatedAt;
  86. }
  88. public function setUpdatedAt(?DateTime $updatedAt = null)
  89. {
  90. $this->updatedAt = $updatedAt;
  91. }
  93. public static function generateRandomId(): string
  94. {
  95. return substr(self::baseEncode(random_int(0, PHP_INT_MAX)) . self::baseEncode(random_int(0, PHP_INT_MAX)), 0, 16);
  96. }
  98. public static function baseEncode(int $val, int $base = 62, string $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'): string
  99. {
  100. if (!isset($base)) {
  101. $base = strlen($chars);
  102. }
  103. $str = '';
  104. do {
  105. $m = bcmod($val, $base);
  106. $str = $chars[$m] . $str;
  107. $val = bcdiv(bcsub($val, $m), $base);
  108. } while (bccomp($val, 0) > 0);
  110. return $str;
  111. }
  112. }