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Enhancement: Extract phpweb\Spam\Challenge
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| namespace phpweb\Spam; | ||
|
|
||
| final readonly class Challenge | ||
| { | ||
| private const NUMBERS = [ | ||
| 0 => 'zero', | ||
| 1 => 'one', | ||
| 2 => 'two', | ||
| 3 => 'three', | ||
| 4 => 'four', | ||
| 5 => 'five', | ||
| 6 => 'six', | ||
| 7 => 'seven', | ||
| 8 => 'eight', | ||
| 9 => 'nine', | ||
| ]; | ||
|
|
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| private const CHALLENGES = [ | ||
| // name, print, generator | ||
| 'max' => [ | ||
| 'max', | ||
| [ | ||
| self::class, | ||
| 'print_prefix', | ||
| ], | ||
| ], | ||
| 'min' => [ | ||
| 'min', | ||
| [ | ||
| self::class, | ||
| 'print_prefix', | ||
| ], | ||
| ], | ||
| 'minus' => [ | ||
| [ | ||
| self::class, | ||
| 'minus', | ||
| ], | ||
| [ | ||
| self::class, | ||
| 'print_infix', | ||
| ], | ||
| [ | ||
| self::class, | ||
| 'gen_minus', | ||
| ], | ||
| ], | ||
| 'plus' => [ | ||
| [ | ||
| self::class, | ||
| 'plus', | ||
| ], | ||
| [ | ||
| self::class, | ||
| 'print_infix', | ||
| ], | ||
| [ | ||
| self::class, | ||
| 'gen_plus', | ||
| ], | ||
| ], | ||
| ]; | ||
|
|
||
| private function __construct( | ||
| public string $function, | ||
| public string $argumentOne, | ||
| public string $argumentTwo, | ||
| public string $question, | ||
| ) { | ||
| } | ||
|
|
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| public static function create(): self | ||
| { | ||
| $function = array_rand(self::CHALLENGES); | ||
|
|
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| $challenge = self::CHALLENGES[$function]; | ||
|
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| $a = mt_rand(0, 9); | ||
| $argumentOne = self::NUMBERS[$a]; | ||
|
|
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| $b = isset($challenge[2]) ? $challenge[2]($a) : mt_rand(0, 9); | ||
| $argumentTwo = self::NUMBERS[$b]; | ||
|
|
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| $question = $challenge[1]( | ||
| $function, | ||
| $argumentOne, | ||
| $argumentTwo, | ||
| ); | ||
|
|
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| return new self( | ||
| $function, | ||
| $argumentOne, | ||
| $argumentTwo, | ||
| $question, | ||
| ); | ||
| } | ||
|
|
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| public static function isValidAnswer( | ||
| string $function, | ||
| string $argumentOne, | ||
| string $argumentTwo, | ||
| string $answer, | ||
| ): bool { | ||
| if (!array_key_exists($function, self::CHALLENGES)) { | ||
| return false; | ||
| } | ||
|
|
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| $challenge = self::CHALLENGES[$function]; | ||
|
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| $a = array_search($argumentOne, self::NUMBERS, true); | ||
|
|
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| if (!is_int($a)) { | ||
| return false; | ||
| } | ||
|
|
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| $b = array_search($argumentTwo, self::NUMBERS, true); | ||
|
|
||
| if (!is_int($b)) { | ||
| return false; | ||
| } | ||
|
|
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| $expected = self::NUMBERS[$challenge[0]($a, $b)]; | ||
|
|
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| return $expected === $answer; | ||
| } | ||
|
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| private static function plus(int $a, int $b): int | ||
| { | ||
| return $a + $b; | ||
| } | ||
|
|
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| private static function gen_plus(int $a): int | ||
| { | ||
| return mt_rand(0, 9 - $a); | ||
| } | ||
|
|
||
| private static function minus(int $a, int $b): int | ||
| { | ||
| return $a - $b; | ||
| } | ||
|
|
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| private static function gen_minus(int $a): int | ||
| { | ||
| return mt_rand(0, $a); | ||
| } | ||
|
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| private static function print_infix(string $name, string $a, string $b): string | ||
| { | ||
| return "$a $name $b"; | ||
| } | ||
|
|
||
| private static function print_prefix(string $name, string $a, string $b): string | ||
| { | ||
| return "$name($a, $b)"; | ||
| } | ||
| } |
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18 changes: 11 additions & 7 deletions
18
tests/gen-challenge.phpt → tests/Spam/Challenge/random.phpt
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