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64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
<?php
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/*
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* @copyright Copyright (C) 2010-2025 Combodo SAS
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* @license http://opensource.org/licenses/AGPL-3.0
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*/
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namespace Combodo\iTop\Forms\Block\Expression;
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use Combodo\iTop\Forms\Block\AbstractFormBlock;
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use Combodo\iTop\Forms\Block\FormBlockException;
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use Combodo\iTop\Forms\IO\Format\BooleanIOFormat;
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use Combodo\iTop\Forms\Register\IORegister;
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use Exception;
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use Expression;
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use Symfony\Component\Form\FormEvents;
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/**
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* An abstract block to manage an expression.
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*
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* @api
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* @package FormBlock
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* @since 3.3.0
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*/
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abstract class AbstractExpressionFormBlock extends AbstractFormBlock
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{
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public const EXPRESSION_PATTERN = "/:(?<input>\w+)/";
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/** @inheritdoc
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* @throws FormBlockException
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*/
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public function AllInputsReadyEvent(): void
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{
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parent::AllInputsReadyEvent();
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$this->ComputeExpression(FormEvents::POST_SET_DATA);
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$this->ComputeExpression(FormEvents::POST_SUBMIT);
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}
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/**
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* Compute the expression and set the output values.
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*
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* @param string $sEventType
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*
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* @return mixed
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* @throws FormBlockException
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*/
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public function ComputeExpression(string $sEventType): mixed
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{
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$sExpression = $this->GetOption('expression');
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try {
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$oExpression = Expression::FromOQL($sExpression);
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$aFieldsToResolve = $oExpression->ListRequiredFields();
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$aResolvedParams = [];
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foreach ($aFieldsToResolve as $sFieldToResolve) {
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$aResolvedParams[$sFieldToResolve] = strval($this->GetInputValue($sFieldToResolve));
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}
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return $oExpression->Evaluate($aResolvedParams);
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} catch (Exception $e) {
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throw new FormBlockException('Compute expression '.json_encode($sExpression).' block issue: '.$e->getMessage(), 0, $e);
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}
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}
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}
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