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<?php |
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declare(strict_types=1); |
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namespace LaravelFreelancerNL\FluentAQL\Expressions; |
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use LaravelFreelancerNL\FluentAQL\Traits\NormalizesFunctions; |
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use LaravelFreelancerNL\FluentAQL\QueryBuilder; |
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/** |
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* AQL literal expression. |
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*/ |
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class FunctionExpression extends Expression implements ExpressionInterface |
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{ |
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use NormalizesFunctions; |
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protected string $functionName; |
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/** |
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* @var array<array-key, mixed> |
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*/ |
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protected array $parameters = []; |
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/** |
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* FunctionExpression constructor. |
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* |
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* @param string $functionName |
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* @param array<array-key, mixed>|object|scalar|null $parameters |
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*/ |
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public function __construct( |
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string $functionName, |
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object|array|string|int|float|bool|null $parameters = [] |
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) { |
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$this->functionName = $functionName; |
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if (! is_array($parameters)) { |
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$parameters = [$parameters]; |
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} |
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$this->parameters = $parameters; |
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} |
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public function compile(QueryBuilder $queryBuilder): string |
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{ |
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if (! empty($this->parameters)) { |
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$normalizeFunction = $this->getNormalizeFunctionName(); |
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$this->$normalizeFunction($queryBuilder); |
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} |
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$output = strtoupper($this->functionName) . '('; |
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$output .= implode(', ', $this->compileParameters($this->parameters, $queryBuilder)); |
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$output .= ')'; |
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return $output; |
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} |
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/** |
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* @param array<mixed> $parameters |
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* @param QueryBuilder $queryBuilder |
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* @return array<string> |
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*/ |
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protected function compileParameters( |
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array $parameters, |
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QueryBuilder $queryBuilder |
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): array { |
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$compiledParameters = []; |
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/** @var Expression $parameter */ |
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foreach ($parameters as $key => $parameter) { |
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if ($key === 'predicates') { |
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/** @var PredicateExpression $parameter */ |
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$compiledParameters[] = $queryBuilder->compilePredicates($parameter); |
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continue; |
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} |
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$compiledParameters[] = $parameter->compile($queryBuilder); |
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} |
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return $compiledParameters; |
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} |
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/** |
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* Generate the name of the normalize function for this AQL function. |
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*/ |
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protected function getNormalizeFunctionName(): string |
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{ |
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$value = ucwords(str_replace('_', ' ', strtolower($this->functionName))); |
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return 'normalize' . str_replace(' ', '', $value); |
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} |
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} |
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LaravelFreelancerNL /
fluentaql
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