72 lines
2.0 KiB
PHP
72 lines
2.0 KiB
PHP
<?php
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namespace Icinga\Module\Director\PropertyModifier;
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use Exception;
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use gipfl\Json\JsonString;
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use Icinga\Exception\InvalidPropertyException;
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use Icinga\Module\Director\Hook\PropertyModifierHook;
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use Icinga\Module\Director\Web\Form\QuickForm;
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class PropertyModifierJsonDecode extends PropertyModifierHook
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{
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/**
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* @param QuickForm $form
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* @return QuickForm|void
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* @throws \Zend_Form_Exception
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*/
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public static function addSettingsFormFields(QuickForm $form)
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{
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$form->addElement('select', 'on_failure', array(
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'label' => 'On failure',
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'description' => $form->translate(
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'What should we do in case we are unable to decode the given string?'
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),
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'multiOptions' => $form->optionalEnum(array(
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'null' => $form->translate('Set no value (null)'),
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'keep' => $form->translate('Keep the JSON string as is'),
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'fail' => $form->translate('Let the whole import run fail'),
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)),
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'required' => true,
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));
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}
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public function getName()
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{
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return 'Decode a JSON string';
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}
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/**
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* @param $value
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* @return mixed|null
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* @throws InvalidPropertyException|\gipfl\Json\JsonDecodeException
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*/
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public function transform($value)
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{
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if (null === $value) {
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return null;
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}
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try {
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if (is_string($value)) {
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$decoded = JsonString::decode($value);
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} else {
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throw new InvalidPropertyException(
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'JSON decode expects a string, got ' . gettype($value)
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);
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}
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} catch (Exception $e) {
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switch ($this->getSetting('on_failure')) {
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case 'null':
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return null;
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case 'keep':
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return $value;
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case 'fail':
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default:
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throw $e;
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}
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}
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return $decoded;
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}
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}
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