TableGarbageCollectionAdditionalFieldProvider.php

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<?php
namespace TYPO3\CMS\Scheduler\Task;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

class TableGarbageCollectionAdditionalFieldProvider implements \TYPO3\CMS\Scheduler\AdditionalFieldProviderInterface
{
    protected $defaultNumberOfDays = [];

    public function getAdditionalFields(array &$taskInfo, $task, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $this->initDefaultNumberOfDays();
        $additionalFields = [];
        $additionalFields['task_tableGarbageCollection_allTables'] = $this->getAllTablesAdditionalField($taskInfo, $task, $parentObject);
        $additionalFields['task_tableGarbageCollection_table'] = $this->getTableAdditionalField($taskInfo, $task, $parentObject);
        $additionalFields['task_tableGarbageCollection_numberOfDays'] = $this->getNumberOfDaysAdditionalField($taskInfo, $task, $parentObject);
        return $additionalFields;
    }

    protected function initDefaultNumberOfDays()
    {
        $tableConfiguration = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\TYPO3\CMS\Scheduler\Task\TableGarbageCollectionTask::class]['options']['tables'];
        foreach ($tableConfiguration as $tableName => $configuration) {
            if (isset($configuration['expirePeriod'])) {
                $this->defaultNumberOfDays[$tableName] = $configuration['expirePeriod'];
            }
        }
    }

    protected function getAllTablesAdditionalField(array &$taskInfo, $task, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        if ($parentObject->CMD === 'edit') {
            $checked = $task->allTables === true ? 'checked="checked" ' : '';
        } else {
            $checked = '';
        }
        $fieldName = 'tx_scheduler[scheduler_tableGarbageCollection_allTables]';
        $fieldId = 'task_tableGarbageCollection_allTables';
        $fieldHtml = '<div class="checkbox"><label><input type="checkbox" ' . $checked . ' name="' . $fieldName . '" ' . 'id="' . $fieldId . '"></label></div>';
        $fieldConfiguration = [
            'code' => $fieldHtml,
            'label' => 'LLL:EXT:scheduler/Resources/Private/Language/locallang.xlf:label.tableGarbageCollection.allTables',
            'cshKey' => '_MOD_system_txschedulerM1',
            'cshLabel' => $fieldId
        ];
        return $fieldConfiguration;
    }

    protected function getTableAdditionalField(array &$taskInfo, $task, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $tableConfiguration = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\TYPO3\CMS\Scheduler\Task\TableGarbageCollectionTask::class]['options']['tables'];
        $options = [];
        // Add an empty option on top if an existing task is configured
        // with a table that can not be found in configuration anymore
        if ($parentObject->CMD === 'edit' && !array_key_exists($task->table, $tableConfiguration)) {
            $options[] = '<option value="" selected="selected"></option>';
        }
        foreach ($tableConfiguration as $tableName => $configuration) {
            if ($parentObject->CMD === 'add' && empty($options)) {
                // Select first table by default if adding a new task
                $options[] = '<option value="' . $tableName . '" selected="selected">' . $tableName . '</option>';
            } elseif ($task->table === $tableName) {
                // Select currently selected table
                $options[] = '<option value="' . $tableName . '" selected="selected">' . $tableName . '</option>';
            } else {
                $options[] = '<option value="' . $tableName . '">' . $tableName . '</option>';
            }
        }
        $disabled = $task->allTables === true ? ' disabled="disabled"' : '';
        $fieldName = 'tx_scheduler[scheduler_tableGarbageCollection_table]';
        $fieldId = 'task_tableGarbageCollection_table';
        $fieldHtml = [];
        // Add table drop down html
        $fieldHtml[] = '<select class="form-control" name="' . $fieldName . '" ' . $disabled . ' id="' . $fieldId . '">' . implode(LF, $options) . '</select>';
        // Add js array for default 'number of days' values
        $fieldHtml[] = '<script type="text/javascript">/*<![CDATA[*/<!--';
        $fieldHtml[] = 'var defaultNumberOfDays = ' . json_encode($this->defaultNumberOfDays) . ';';
        $fieldHtml[] = '// -->/*]]>*/</script>';
        $fieldConfiguration = [
            'code' => implode(LF, $fieldHtml),
            'label' => 'LLL:EXT:scheduler/Resources/Private/Language/locallang.xlf:label.tableGarbageCollection.table',
            'cshKey' => '_MOD_system_txschedulerM1',
            'cshLabel' => $fieldId
        ];
        return $fieldConfiguration;
    }

    protected function getNumberOfDaysAdditionalField(array &$taskInfo, $task, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        // Initialize selected fields
        $disabled = '';
        if (empty($taskInfo['scheduler_tableGarbageCollection_numberOfDays'])) {
            if ($parentObject->CMD === 'add') {
                // In case of new task, set to 180 days
                $taskInfo['scheduler_tableGarbageCollection_numberOfDays'] = 180;
            } elseif ($parentObject->CMD === 'edit') {
                // In case of editing the task, set to currently selected value
                $taskInfo['scheduler_tableGarbageCollection_numberOfDays'] = $task->numberOfDays;
                if ($task->numberOfDays === 0 && !isset($this->defaultNumberOfDays[$task->table])) {
                    $disabled = ' disabled="disabled"';
                }
            }
        }
        if ($task->allTables === true) {
            $disabled = ' disabled="disabled"';
        }
        $fieldName = 'tx_scheduler[scheduler_tableGarbageCollection_numberOfDays]';
        $fieldId = 'task_tableGarbageCollection_numberOfDays';
        $fieldHtml = '<input class="form-control" type="text" ' . 'name="' . $fieldName . '" ' . 'id="' . $fieldId . '" ' . $disabled . 'value="' . (int)$taskInfo['scheduler_tableGarbageCollection_numberOfDays'] . '" ' . 'size="4">';
        $fieldConfiguration = [
            'code' => $fieldHtml,
            'label' => 'LLL:EXT:scheduler/Resources/Private/Language/locallang.xlf:label.tableGarbageCollection.numberOfDays',
            'cshKey' => '_MOD_system_txschedulerM1',
            'cshLabel' => $fieldId
        ];
        return $fieldConfiguration;
    }

    public function validateAdditionalFields(array &$submittedData, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $validData = $this->validateAllTablesAdditionalField($submittedData, $parentObject);
        $validData &= $this->validateTableAdditionalField($submittedData, $parentObject);
        $validData &= $this->validateNumberOfDaysAdditionalField($submittedData, $parentObject);
        return $validData;
    }

    public function validateAllTablesAdditionalField(array &$submittedData, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $validData = false;
        if (!isset($submittedData['scheduler_tableGarbageCollection_allTables'])) {
            $validData = true;
        } elseif ($submittedData['scheduler_tableGarbageCollection_allTables'] === 'on') {
            $validData = true;
        }
        return $validData;
    }

    public function validateTableAdditionalField(array &$submittedData, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $validData = false;
        $tableConfiguration = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\TYPO3\CMS\Scheduler\Task\TableGarbageCollectionTask::class]['options']['tables'];
        if (!isset($submittedData['scheduler_tableGarbageCollection_table'])) {
            $validData = true;
        } elseif (array_key_exists($submittedData['scheduler_tableGarbageCollection_table'], $tableConfiguration)) {
            $validData = true;
        }
        return $validData;
    }

    public function validateNumberOfDaysAdditionalField(array &$submittedData, \TYPO3\CMS\Scheduler\Controller\SchedulerModuleController $parentObject)
    {
        $validData = false;
        if (!isset($submittedData['scheduler_tableGarbageCollection_numberOfDays'])) {
            $validData = true;
        } elseif ((int)$submittedData['scheduler_tableGarbageCollection_numberOfDays'] >= 0) {
            $validData = true;
        } else {
            // Issue error message
            $parentObject->addMessage($GLOBALS['LANG']->sL('LLL:EXT:scheduler/Resources/Private/Language/locallang.xlf:msg.invalidNumberOfDays'), \TYPO3\CMS\Core\Messaging\FlashMessage::ERROR);
        }
        return $validData;
    }

    public function saveAdditionalFields(array $submittedData, \TYPO3\CMS\Scheduler\Task\AbstractTask $task)
    {
        $task->allTables = $submittedData['scheduler_tableGarbageCollection_allTables'] === 'on';
        $task->table = $submittedData['scheduler_tableGarbageCollection_table'];
        $task->numberOfDays = (int)$submittedData['scheduler_tableGarbageCollection_numberOfDays'];
    }
}