[IMP] Frontend mapping utility functions

refs KIME-4583

Classes/WE/SpreadsheetImport/FrontendMappingUtility.php

+<?php
+namespace WE\SpreadsheetImport;
+
+/*                                                                        *
+ * This script belongs to the Flow package "SpreadsheetImport".           *
+ *                                                                        *
+ * It is free software; you can redistribute it and/or modify it under    *
+ * the terms of the GNU Lesser General Public License, either version 3   *
+ * of the License, or (at your option) any later version.                 *
+ *                                                                        *
+ * The TYPO3 project - inspiring people to share!                         *
+ *                                                                        */
+
+use TYPO3\Flow\Mvc\ActionRequest;
+use WE\SpreadsheetImport\Annotations\Mapping;
+
+/**
+ * Utility class of basic FE mapping functionality for simple usage on separate implementations.
+ */
+class FrontendMappingUtility {
+
+	/**
+	 * @param \WE\SpreadsheetImport\SpreadsheetImportService $spreadsheetImportService
+	 * @param \TYPO3\Flow\Mvc\ActionRequest $request
+	 *
+	 * @return array
+	 */
+	public static function getSpreadsheetImportMappingByRequest(SpreadsheetImportService $spreadsheetImportService, ActionRequest $request) {
+		$mappings = array();
+		$domainMappingProperties = $spreadsheetImportService->getMappingProperties();
+		foreach ($domainMappingProperties as $property => $mapping) {
+			$column = $request->getArgument($property);
+			$mappings[$column] = $property;
+		}
+		return $mappings;
+	}
+
+	/**
+	 * @param \WE\SpreadsheetImport\SpreadsheetImportService $spreadsheetImportService
+	 * @param int $record
+	 *
+	 * @return array
+	 */
+	public static function getMappingPreview(SpreadsheetImportService $spreadsheetImportService, $record) {
+		$domainMappingProperties = $spreadsheetImportService->getMappingProperties();
+		$previewObject = $spreadsheetImportService->getObjectByRow($record);
+		$preview = array();
+		/** @var Mapping $mapping */
+		foreach ($domainMappingProperties as $property => $mapping) {
+			$getter = empty($mapping->getter) ? 'get' . ucfirst($property) : $mapping->getter;
+			$preview[$property] = $previewObject->$getter();
+		}
+		return $preview;
+	}
+}