129 lines
4.1 KiB
PHP
129 lines
4.1 KiB
PHP
<?php
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/**
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* Copyright (C) 2020 Xibo Signage Ltd
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*
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* Xibo - Digital Signage - http://www.xibo.org.uk
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*
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* This file is part of Xibo.
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*
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* Xibo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* Xibo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Xibo. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Xibo\XTR;
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use Xibo\Entity\DataSet;
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use Xibo\Factory\DataSetFactory;
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use Xibo\Support\Exception\GeneralException;
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/**
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* Class DataSetConvertTask
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* @package Xibo\XTR
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*/
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class DataSetConvertTask implements TaskInterface
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{
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use TaskTrait;
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/** @var DataSetFactory */
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private $dataSetFactory;
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/** @inheritdoc */
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public function setFactories($container)
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{
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$this->dataSetFactory = $container->get('dataSetFactory');
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return $this;
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}
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/** @inheritdoc */
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public function run()
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{
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// Protect against us having run before
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if ($this->store->exists('SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = :schema AND TABLE_NAME = :name', [
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'schema' => $_SERVER['MYSQL_DATABASE'],
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'name' => 'datasetdata'
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])) {
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// Get all DataSets
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foreach ($this->dataSetFactory->query() as $dataSet) {
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/* @var \Xibo\Entity\DataSet $dataSet */
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// Rebuild the data table
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$dataSet->rebuild();
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// Load the existing data from datasetdata
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foreach (self::getExistingData($dataSet) as $row) {
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$dataSet->addRow($row);
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}
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}
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// Drop data set data
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$this->store->update('DROP TABLE `datasetdata`;', []);
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}
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// Disable the task
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$this->getTask()->isActive = 0;
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$this->appendRunMessage('Conversion Completed');
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}
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/**
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* Data Set Results
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* @param DataSet $dataSet
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* @return array
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* @throws GeneralException
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*/
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public function getExistingData($dataSet)
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{
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$dbh = $this->store->getConnection();
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$params = array('dataSetId' => $dataSet->dataSetId);
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$selectSQL = '';
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$outerSelect = '';
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foreach ($dataSet->getColumn() as $col) {
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/* @var \Xibo\Entity\DataSetColumn $col */
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if ($col->dataSetColumnTypeId != 1)
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continue;
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$selectSQL .= sprintf("MAX(CASE WHEN DataSetColumnID = %d THEN `Value` ELSE null END) AS '%s', ", $col->dataSetColumnId, $col->heading);
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$outerSelect .= sprintf(' `%s`,', $col->heading);
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}
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$outerSelect = rtrim($outerSelect, ',');
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// We are ready to build the select and from part of the SQL
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$SQL = "SELECT $outerSelect ";
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$SQL .= " FROM ( ";
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$SQL .= " SELECT $outerSelect ,";
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$SQL .= " RowNumber ";
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$SQL .= " FROM ( ";
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$SQL .= " SELECT $selectSQL ";
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$SQL .= " RowNumber ";
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$SQL .= " FROM (";
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$SQL .= " SELECT datasetcolumn.DataSetColumnID, datasetdata.RowNumber, datasetdata.`Value` ";
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$SQL .= " FROM datasetdata ";
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$SQL .= " INNER JOIN datasetcolumn ";
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$SQL .= " ON datasetcolumn.DataSetColumnID = datasetdata.DataSetColumnID ";
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$SQL .= " WHERE datasetcolumn.DataSetID = :dataSetId ";
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$SQL .= " ) datasetdatainner ";
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$SQL .= " GROUP BY RowNumber ";
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$SQL .= " ) datasetdata ";
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$SQL .= ' ) finalselect ';
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$SQL .= " ORDER BY RowNumber ";
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$sth = $dbh->prepare($SQL);
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$sth->execute($params);
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return $sth->fetchAll(\PDO::FETCH_ASSOC);
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}
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} |