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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Relation; |
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use Cycle\Schema\Exception\OptionException; |
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/** |
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* Calculate missing option values using template and relation context. |
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*/ |
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final class OptionSchema |
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{ |
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private array $options = []; |
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private array $template = []; |
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private array $context = []; |
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public function __construct(private array $aliases) {} |
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/** |
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* Get available options |
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*/ |
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public function getOptions(): array |
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{ |
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return $this->options; |
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} |
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/** |
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* Create new option set with user provided options. |
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*/ |
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public function withOptions(iterable $options): self |
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{ |
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$r = clone $this; |
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foreach ($options as $name => $value) { |
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if (!array_key_exists($name, $r->aliases) && !array_key_exists($name, $r->template)) { |
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throw new OptionException("Undefined relation option `{$name}`"); |
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} |
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$r->options[$name] = $value; |
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} |
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return $r; |
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} |
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/** |
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* Create new option set with option rendering template. Template expect to allocate |
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* relation options only in a integer constants. |
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*/ |
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public function withTemplate(array $template): self |
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{ |
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$r = clone $this; |
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$r->template = $template; |
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return $r; |
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} |
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/** |
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* Create new option set with relation context values (i.e. relation name, target name and etc). |
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*/ |
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public function withContext(array $context): self |
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{ |
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$r = clone $this; |
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$r->context += $context; |
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return $r; |
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} |
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1194 |
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/** |
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* Check if option has been defined. |
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*/ |
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public function has(int $option): bool |
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{ |
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return array_key_exists($option, $this->template); |
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} |
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/** |
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* Get calculated option value. |
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*/ |
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public function get(int $option): mixed |
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{ |
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if (!$this->has($option)) { |
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throw new OptionException("Undefined relation option `{$option}`"); |
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} |
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if (array_key_exists($option, $this->options)) { |
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return $this->options[$option]; |
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} |
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// user defined value |
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foreach ($this->aliases as $alias => $targetOption) { |
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if ($targetOption === $option && isset($this->options[$alias])) { |
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return $this->options[$alias]; |
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} |
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} |
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// non template value |
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$value = $this->template[$option]; |
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if (!is_string($value)) { |
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return $value; |
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} |
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$value = $this->calculate($option, $value); |
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if (strpos($value, '|') !== false) { |
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return array_filter(explode('|', $value)); |
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} |
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return $value; |
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} |
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public function __debugInfo(): array |
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{ |
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$result = []; |
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foreach ($this->template as $option => $value) { |
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$value = $this->get($option); |
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$alias = array_search($option, $this->aliases, true); |
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$result[$alias] = $value; |
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} |
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return $result; |
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} |
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/** |
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* Calculate option value using templating. |
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*/ |
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private function calculate(int $option, string $value): string |
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{ |
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foreach ($this->context as $name => $ctxValue) { |
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$ctxValue = is_array($ctxValue) ? implode('|', $ctxValue) . '|' : $ctxValue; |
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$value = $this->injectValue($name, $ctxValue, $value); |
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} |
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foreach ($this->aliases as $name => $targetOption) { |
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if ($option !== $targetOption) { |
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$value = $this->injectOption($name, $targetOption, $value); |
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} |
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} |
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return $value; |
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} |
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private function injectOption(string $name, int $option, string $target): string |
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{ |
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if (!str_contains($target, "{{$name}}")) { |
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return $target; |
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} |
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$name = "{{$name}}"; |
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$replace = $this->get($option); |
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if (is_array($replace)) { |
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return implode('|', array_map(static function (string $replace) use ($name, $target) { |
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return str_replace($name, $replace, $target); |
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}, $replace)); |
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} |
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return str_replace($name, $replace, $target); |
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} |
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private function injectValue(string $name, string $value, string $target): string |
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{ |
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return str_replace("{{$name}}", $value, $target); |
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} |
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} |
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cycle /
schema-builder
