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N°8772 - Form Expressions using iTop Expressions

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This commit is contained in:
Eric Espie
2025-11-14 15:33:47 +01:00
parent 750b2b9cfa
commit b34566076e
2 changed files with 12 additions and 23 deletions
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30
sources/Forms/Block/Expression/ExpressionFormBlock.php
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@@ -10,10 +10,9 @@ use Combodo\iTop\Forms\Block\AbstractFormBlock;
use Combodo\iTop\Forms\IO\Format\BooleanIOFormat;
use Combodo\iTop\Forms\IO\Format\RawFormat;
use Combodo\iTop\Forms\Register\IORegister;
use Combodo\iTop\Forms\FormsException;
use Expression;
use IssueLog;
use Symfony\Component\Form\FormEvents;
use Throwable;
/**
*
@@ -54,27 +53,14 @@ class ExpressionFormBlock extends AbstractFormBlock
try{
$sExpression = $this->GetOption('expression');
$sValue = preg_replace_callback(
self::EXPRESSION_PATTERN,
function(array $aMatches) use ($sEventType): ?string {
$oInput = $this->GetInput($aMatches['input']);
if(!$oInput->HasEventValue($sEventType)){
throw new FormsException('Unable to compute expression: input '.$aMatches['input'].' has no value for event '.$sEventType.'.');
}
$value = $oInput->GetValue($sEventType);
if (is_string($value)) {
$value = "'$value'";
}
return $value;
},
$sExpression);
$result = '';
try {
eval('$result = '.$sValue.';');
} catch (Throwable $e) {
IssueLog::Exception(__METHOD__.' expression '.json_encode($sValue).' failed with exception: '.$e->getMessage(), $e);
$oExpression = Expression::FromOQL($sExpression);
$aParamsToResolve = $oExpression->GetParameters();
$aResolvedParams = [];
foreach ($aParamsToResolve as $sParamToResolve) {
$aResolvedParams[$sParamToResolve] = $this->GetInputValue($sParamToResolve);
}
$result = $oExpression->Evaluate($aResolvedParams);
$this->GetOutput(self::OUTPUT_RESULT)->SetValue($sEventType, new BooleanIOFormat(boolval($result)));
$this->GetOutput(self::OUTPUT_RESULT_INVERT)->SetValue($sEventType, new BooleanIOFormat(!boolval($result)));
$this->GetOutput(self::OUTPUT_VALUE)->SetValue($sEventType, new RawFormat($result));