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<?php |
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namespace BeyondCode\Vouchers; |
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use Illuminate\Support\Str; |
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class VoucherGenerator |
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{ |
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protected $characters; |
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protected $mask; |
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protected $prefix; |
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protected $suffix; |
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protected $separator = '-'; |
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protected $generatedCodes = []; |
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public function __construct(string $characters = 'ABCDEFGHJKLMNOPQRSTUVWXYZ234567890', string $mask = '****-****') |
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{ |
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$this->characters = $characters; |
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$this->mask = $mask; |
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} |
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/** |
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* @param string $prefix |
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*/ |
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public function setPrefix(?string $prefix): void |
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{ |
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$this->prefix = $prefix; |
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} |
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/** |
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* @param string $suffix |
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*/ |
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public function setSuffix(?string $suffix): void |
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{ |
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$this->suffix = $suffix; |
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} |
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/** |
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* @param string $separator |
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*/ |
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public function setSeparator(string $separator): void |
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{ |
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$this->separator = $separator; |
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} |
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/** |
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* @return string |
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*/ |
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public function generateUnique(): string |
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{ |
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$code = $this->generate(); |
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while (in_array($code, $this->generatedCodes) === true) { |
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$code = $this->generate(); |
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} |
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$this->generatedCodes[] = $code; |
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return $code; |
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} |
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/** |
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* @return string |
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*/ |
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public function generate(): string |
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{ |
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$length = substr_count($this->mask, '*'); |
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$code = $this->getPrefix(); |
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$mask = $this->mask; |
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$characters = collect(str_split($this->characters)); |
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for ($i = 0; $i < $length; $i++) { |
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$mask = Str::replaceFirst('*', $characters->random(1)->first(), $mask); |
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} |
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$code .= $mask; |
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$code .= $this->getSuffix(); |
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return $code; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getPrefix(): string |
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{ |
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return $this->prefix !== null ? $this->prefix . $this->separator : ''; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getSuffix(): string |
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{ |
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return $this->suffix !== null ? $this->separator . $this->suffix : ''; |
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} |
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} |
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beyondcode /
laravel-vouchers
