adding backed enums for codelists

src/codes/ZugferdAccountingAccountsClassificationTypes.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * This file is a part of horstoeko/zugferd.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace horstoeko\zugferd\codes;
+
+/**
+ * Class representing Accounting Account classifications
+ *
+ * @category Zugferd
+ * @package  Zugferd
+ * @author   D. Erling <horstoeko@erling.com.de>
+ * @license  https://opensource.org/licenses/MIT MIT
+ * @link     https://github.com/horstoeko/zugferd
+ */
+enum ZugferdAccountingAccountsClassificationTypes: int{
+
+	/**
+	 * The code indicates a general chart of accounts
+	 */
+	case GENERAL_ACCOUNT_CHART_OF_ACCOUNTS = 1;
+
+	/**
+	 * The code indicates a cost chart of accounts
+	 */
+	case COST_ACCOUNTING_CHART_OF_ACCOUNTS = 2;
+
+	/**
+	 * The code indicates a budget chart of accounts
+	 */
+	case BUDGETARY_ACCOUNT_CHART_OF_ACCOUNTS = 3;
+
+	/**
+	 * The code indicates a payable chart of accounts
+	 */
+	case PAYABLE_ACCOUNT_CHART_OF_ACCOUNTS = 4;
+
+	/**
+	 * The code indicates a receivable chart of accounts
+	 */
+	case RECEIVABLE_ACCOUNT_CHART_OF_ACCOUNTS = 5;
+
+	/**
+	 * The code indicates a job chart of accounts
+	 */
+	case JOB_ACCOUNT_CHART_OF_ACCOUNTS = 6;
+
+	/**
+	 * The code indicates a building site chart of accounts
+	 */
+	case BUILDING_SITE_ACCOUNT_CHART_OF_ACCOUNTS = 7;
+}

src/codes/ZugferdAllowanceCodes.php

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+<?php
+
+/**
+ * This file is a part of horstoeko/zugferd.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace horstoeko\zugferd\codes;
+
+/**
+ * Class representing the Allowance codes
+ *
+ * @category Zugferd
+ * @package  Zugferd
+ * @author   D. Erling <horstoeko@erling.com.de>
+ * @license  https://opensource.org/licenses/MIT MIT
+ * @link     https://github.com/horstoeko/zugferd
+ */
+enum ZugferdAllowanceCodes: int{
+
+	/**
+	 * Bonus for works ahead of schedule
+	 */
+	case BONUS_FOR_WORKS_AHEAD_OF_SCHEDULE = 41;
+
+	/**
+	 * Other bonus
+	 */
+	case OTHER_BONUS = 42;
+
+	/**
+	 * Manufacturer’s consumer discount
+	 */
+	case MANUFACTURERS_CONSUMER_DISCOUNT = 60;
+
+	/**
+	 * Due to military status
+	 */
+	case DUE_TO_MILITARY_STATUS = 62;
+
+	/**
+	 * Due to work accident
+	 */
+	case DUE_TO_WORK_ACCIDENT = 63;
+
+	/**
+	 * Special agreement
+	 */
+	case SPECIAL_AGREEMENT = 64;
+
+	/**
+	 * Production error discount
+	 */
+	case PRODUCTION_ERROR_DISCOUNT = 65;
+
+	/**
+	 * New outlet discount
+	 */
+	case NEW_OUTLET_DISCOUNT = 66;
+
+	/**
+	 * Sample discount
+	 */
+	case SAMPLE_DISCOUNT = 67;
+
+	/**
+	 * End-of-range discount
+	 */
+	case ENDOFRANGE_DISCOUNT = 68;
+
+	/**
+	 * Incoterm discount
+	 */
+	case INCOTERM_DISCOUNT = 70;
+
+	/**
+	 * Point of sales threshold allowance
+	 */
+	case POINT_OF_SALES_THRESHOLD_ALLOWANCE = 71;
+
+	/**
+	 * Material surcharge/deduction
+	 */
+	case MATERIAL_SURCHARGE_DEDUCTION = 88;
+
+	/**
+	 * Discount
+	 */
+	case DISCOUNT = 95;
+
+	/**
+	 * Special rebate
+	 */
+	case SPECIAL_REBATE = 100;
+
+	/**
+	 * Fixed long term
+	 */
+	case FIXED_LONG_TERM = 102;
+
+	/**
+	 * Temporary
+	 */
+	case TEMPORARY = 103;
+
+	/**
+	 * Standard
+	 */
+	case STANDARD = 104;
+
+	/**
+	 * Yearly turnover
+	 */
+	case YEARLY_TURNOVER = 105;
+}