CSV file fix for ING Belgium

Parse the description and opposing account information (IBAN and name) from ING Belgium CSV files.

app/Import/Specifics/IngBelgium.php

@@ -0,0 +1,139 @@
+<?php
+/**
+ * IngBelgium.php
+ * Copyright (C) 2019 Sander Kleykens <sander@kleykens.com>
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+declare(strict_types=1);
+
+namespace FireflyIII\Import\Specifics;
+
+/**
+ * Class IngBelgium.
+ *
+ * Parses the description and opposing account information (IBAN and name) from CSV files for ING Belgium bank accounts.
+ *
+ */
+class IngBelgium implements SpecificInterface
+{
+    /**
+     * Description of the current specific.
+     *
+     * @return string
+     * @codeCoverageIgnore
+     */
+    public static function getDescription(): string
+    {
+        return 'import.specific_ingbelgium_descr';
+    }
+
+    /**
+     * Name of the current specific.
+     *
+     * @return string
+     * @codeCoverageIgnore
+     */
+    public static function getName(): string
+    {
+        return 'import.specific_ingbelgium_name';
+    }
+
+    /**
+     * Run the specific code.
+     *
+     * @param array $row
+     *
+     * @return array
+     *
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    public function run(array $row): array
+    {
+        return IngBelgium::processTransactionDetails($row);
+    }
+
+    /**
+     * Gets the description and opposing account information (IBAN and name) from the transaction details and adds
+     * them to the row of data.
+     *
+     * @return array the row containing the description and opposing account's IBAN
+     */
+    protected static function processTransactionDetails(array $row): array
+    {
+        if(isset($row[9])) {
+            $transactionDetails = $row[9];
+            $row[11] = IngBelgium::opposingAccountName($transactionDetails);
+            $row[12] = IngBelgium::opposingAccountIban($transactionDetails);
+            $row[13] = IngBelgium::description($transactionDetails);
+        }
+        return $row;
+    }
+
+    /**
+     * Gets the opposing account name from the transaction details.
+     *
+     * @return string the opposing account name
+     */
+    protected static function opposingAccountName(string $transactionDetails): string
+    {
+        return IngBelgium::parseInformationFromTransactionDetails($transactionDetails, '/Van:\s*(.+?)(?=\s{2,})/');
+
+    }
+
+    /**
+     * Gets the opposing account's IBAN from the transaction details.
+     *
+     * @return string the opposing account's IBAN
+     */
+    protected static function opposingAccountIban(string $transactionDetails): string
+    {
+        return IngBelgium::parseInformationFromTransactionDetails($transactionDetails, '/IBAN:\s*(.+?)(?=\s+)/');
+    }
+
+    /**
+     * Gets the description from the transaction details and makes sure structured descriptions are in the
+     * "+++090/9337/55493+++" format.
+     *
+     * @return string the description
+     */
+    protected static function description(string $transactionDetails): string
+    {
+        $description = IngBelgium::parseInformationFromTransactionDetails($transactionDetails, '/Mededeling:\s*(.+)$/');
+        return IngBelgium::convertStructuredDescriptionToProperFormat($description);
+    }
+
+    private static function convertStructuredDescriptionToProperFormat(string $description): string
+    {
+        preg_match('/^\*\*\*(\d{3}\/\d{4}\/\d{5})\*\*\*$/', $description, $matches);
+        if(isset($matches[1])) {
+            return '+++' . $matches[1] . '+++';
+        }
+        return $description;
+    }
+
+    private static function parseInformationFromTransactionDetails(string $transactionDetails, string $regex): string
+    {
+        if(isset($transactionDetails)) {
+            preg_match($regex, $transactionDetails, $matches);
+            if (isset($matches[1])) {
+                return trim($matches[1]);
+            }
+        }
+
+        return '';
+    }
+}