- Se corrige problema al generar retención de manera automática desde el

terminal de punto de ventas
- Se agrega evento para procesar orden de venta y generar retención de
manera automática

build.gradle

@@ -19,7 +19,7 @@ if (JavaVersion.current().isJava8Compatible()) {
 }
 
 dependencies {
-	api 'io.github.adempiere:withholding-engine:1.2.6'
+	api 'io.github.adempiere:withholding-engine:1.2.8'
 	compileOnly fileTree(dir: 'dependences', include: ['*.jar'])
 	compileOnly fileTree(dir: 'lib', include: ['*.jar'])
 }

withholding/src/main/java/base/org/erpya/lve/setup/WithholdingPOSIVASetup.java

@@ -102,6 +102,10 @@ private void setupWithholding() {
 		if(createSettingWithEvent(withHolgingType.getWH_Type_ID(), org.erpya.lve.util.POSOrderIVAChange.class.getName(), MWHSetting.EVENTMODELVALIDATOR_TableBeforeChange, I_C_Order.Table_ID, "IVA-Orden-Modificar", "Retención I.V.A Antes de odificar Orden de Venta", maxSequence)) {
 			maxSequence += 10;
 		}
+		//	Order Process
+		if(createSettingWithEvent(withHolgingType.getWH_Type_ID(),org.erpya.lve.util.POSOrderIVAProcess.class.getName(), MWHSetting.EVENTMODELVALIDATOR_DocumentAfterComplete, I_C_Order.Table_ID, "IVA-Orden-Procesar", "Retención I.V.A Después de Procesar Orden de Venta", maxSequence)) {
+			maxSequence += 10;
+		}
 		//	Payment Method
 		createPaymentMethod(withHolgingType.getWH_Type_ID());
 	}

withholding/src/main/java/base/org/erpya/lve/util/POSOrderIVAProcess.java

@@ -0,0 +1,134 @@
+/*************************************************************************************
+ * Product: Adempiere ERP & CRM Smart Business Solution                              *
+ * Copyright (C) 2012-2018 E.R.P. Consultores y Asociados, C.A.                      *
+ * Contributor(s): Yamel Senih ysenih@erpya.com                                      *
+ * This program 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.                                               *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.            *
+ ************************************************************************************/
+package org.erpya.lve.util;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.compiere.model.I_C_Order;
+import org.compiere.model.MOrder;
+import org.compiere.model.MPayment;
+import org.compiere.model.MTable;
+import org.compiere.model.PO;
+import org.compiere.model.Query;
+import org.compiere.util.Util;
+import org.spin.model.I_WH_Withholding;
+import org.spin.model.MWHSetting;
+import org.spin.model.MWHWithholding;
+import org.spin.util.AbstractWithholdingSetting;
+
+/**
+ * 	Implementación de retención de I.V.A. para la localización de Venezuela
+ * 	Esto aplica para cuando se completa una orden de ventas
+ * 	generada desde un Punto de Ventas y que posee pagos y referencias de IVA
+ * 	@author Yamel Senih, ysenih@erpya.com, ERPCyA http://www.erpya.com
+ *  @contributor Carlos Parada, cparada@erpya.com, ERPCyA http://www.erpya.com
+ */
+public class POSOrderIVAProcess extends AbstractWithholdingSetting {
+
+	/**	References	*/
+	private List<Integer> paymentReferences = new ArrayList<Integer>();
+	/**	Current order	*/
+	private MOrder order;
+	/**	Event	*/
+	private String event;
+
+	public MOrder getOrder() {
+		return order;
+	}
+
+	public POSOrderIVAProcess(MWHSetting setting) {
+		super(setting);
+	}
+
+	public String getEvent() {
+		return event;
+	}
+
+	public List<Integer> getPaymentReferences() {
+		return paymentReferences;
+	}
+
+	@Override
+	public boolean isValid() {
+		if(getDocument().get_ValueAsInt(I_C_Order.COLUMNNAME_C_POS_ID) <= 0) {
+			return false;
+		}
+		event = getSetting().getEventModelValidator();
+		if(Util.isEmpty(event)) {
+			return false;
+		}
+		//	Validate Document
+		if(getDocument().get_Table_ID() != I_C_Order.Table_ID) {
+			return false;
+		}
+		order = (MOrder) getDocument();
+		MTable paymentReferenceDefinition = MTable.get(getContext(), "C_POSPaymentReference");
+		if(paymentReferenceDefinition == null) {
+			return false;
+		}
+		fillReferences();
+		if(paymentReferences.size() <= 0) {
+			return false;
+		}
+		//	Default
+		return true;
+	}
+
+	/**
+	 * Fill References from order
+	 */
+	private void fillReferences() {
+		paymentReferences = new Query(getContext(), "C_POSPaymentReference", 
+				"C_Order_ID = ? AND TenderType = ? "
+				+ "AND EXISTS(SELECT 1 FROM C_PaymentMethod pm "
+				+ "WHERE pm.C_PaymentMethod_ID = C_POSPaymentReference.C_PaymentMethod_ID "
+				+ "AND pm.IsWithholdingExempt = 'N' "
+				+ "AND pm.WH_Type_ID = ?)", getTransactionName())
+				.setParameters(order.getC_Order_ID(), MPayment.TENDERTYPE_CreditMemo, getSetting().getWH_Type_ID())
+				.getIDsAsList();
+	}
+
+	@Override
+	public String run() {
+		MTable paymentReferenceDefinition = MTable.get(getContext(), "C_POSPaymentReference");
+		if(paymentReferenceDefinition != null) {
+			int invoiceId = order.getC_Invoice_ID();
+			paymentReferences.forEach(paymentReferenceId -> {
+				PO paymentReference = paymentReferenceDefinition.getPO(paymentReferenceId, getTransactionName());
+				setWithholdingRate((BigDecimal) paymentReference.get_Value("Rate"));
+				addBaseAmount((BigDecimal) paymentReference.get_Value("Base"));
+				addWithholdingAmount((BigDecimal) paymentReference.get_Value("Amount"));
+				setReturnValue(I_WH_Withholding.COLUMNNAME_C_Currency_ID, paymentReference.get_ValueAsInt("C_Currency_ID"));
+				setReturnValue(I_WH_Withholding.COLUMNNAME_C_ConversionType_ID, paymentReference.get_ValueAsInt("C_ConversionType_ID"));
+				addDescription(paymentReference.get_ValueAsString("Description"));
+				setReturnValue(MWHWithholding.COLUMNNAME_IsManual, true);
+				setReturnValue(I_WH_Withholding.COLUMNNAME_DateAcct, paymentReference.get_Value("PayDate"));
+				if(invoiceId > 0) {
+					setReturnValue(I_WH_Withholding.COLUMNNAME_SourceInvoice_ID, invoiceId);
+				}
+				saveResult();
+				paymentReferenceDefinition.set_ValueOfColumn("IsPaid", true);
+				paymentReferenceDefinition.set_ValueOfColumn("Processed", true);
+				paymentReferenceDefinition.saveEx();
+			});
+		}
+		return null;
+	}
+}
+
+