IDEMPIERE-5616 Reverse Shipments don't post because of Not Balanced in special case (#1706)

* IDEMPIERE-5616 Reverse Shipments don't post because of Not Balanced in special case

* - Add case for Inventory Move
- Add explanatory comment

* - Add extra cases for other documents

* - uploaded a different approach

---------

Co-authored-by: hengsin <hengsin@gmail.com>

org.adempiere.base/src/org/compiere/acct/Doc_InOut.java

@@ -317,7 +317,7 @@ public class Doc_InOut extends Doc
 				{
 					//	Set AmtAcctCr from Original Shipment/Receipt
 					if (!cr.updateReverseLine (MInOut.Table_ID,
-							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 					{
 						p_Error = Msg.getMsg(getCtx(),"Original Shipment/Receipt not posted yet");
 						return null;
@@ -616,7 +616,7 @@ public class Doc_InOut extends Doc
 				{
 					//	Set AmtAcctCr from Original Shipment/Receipt
 					if (!cr.updateReverseLine (MInOut.Table_ID,
-							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 					{
 						p_Error = Msg.getMsg(getCtx(),"Original Shipment/Receipt not posted yet");
 						return null;
@@ -832,7 +832,7 @@ public class Doc_InOut extends Doc
 				{
 					//	Set AmtAcctCr from Original Shipment/Receipt
 					if (!cr.updateReverseLine (MInOut.Table_ID,
-							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 					{
 						p_Error = Msg.getMsg(getCtx(),"Original Receipt not posted yet");
 						return null;
@@ -1048,7 +1048,7 @@ public class Doc_InOut extends Doc
 				{
 					//	Set AmtAcctCr from Original Shipment/Receipt
 					if (!cr.updateReverseLine (MInOut.Table_ID,
-							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+							m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 					{
 						p_Error = Msg.getMsg(getCtx(),"Original Receipt not posted yet");
 						return null;

org.adempiere.base/src/org/compiere/acct/Doc_Inventory.java

@@ -353,7 +353,7 @@ public class Doc_Inventory extends Doc
 						{
 							//	Set AmtAcctCr from Original Phys.Inventory
 							if (!cr.updateReverseLine (MInventory.Table_ID,
-									m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+									m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 							{
 								p_Error = "Original Physical Inventory not posted yet";
 								return null;

org.adempiere.base/src/org/compiere/acct/Doc_MatchInv.java

@@ -256,7 +256,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;
@@ -290,7 +290,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;
@@ -769,7 +769,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;
@@ -803,7 +803,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;
@@ -1078,7 +1078,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;
@@ -1112,7 +1112,7 @@ public class Doc_MatchInv extends Doc
 			if (m_matchInv.isReversal())
 			{
 				if (!cr.updateReverseLine (MMatchInv.Table_ID, 		//	Amt updated
-						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE))
+						m_matchInv.getReversal_ID(), 0, BigDecimal.ONE, dr))
 				{
 					p_Error = "Failed to create reversal entry";
 					return null;

org.adempiere.base/src/org/compiere/acct/Doc_MatchPO.java

@@ -435,7 +435,7 @@ public class Doc_MatchPO extends Doc
 					//  PPV Offset
 					FactLine dr = fact.createLine(null,
 						getAccount(Doc.ACCTTYPE_PPVOffset, as), as.getC_Currency_ID(), Env.ONE);
-					if (!dr.updateReverseLine(MMatchPO.Table_ID, m_matchPO.getM_MatchPO_ID(), 0, Env.ONE)) 
+					if (!dr.updateReverseLine(MMatchPO.Table_ID, m_matchPO.getM_MatchPO_ID(), 0, Env.ONE, cr)) 
 					{						
 						p_Error = Msg.getMsg(Env.getCtx(), "FailedToCreateReversalEntryForACCTTYPE_PPVOffset");
 						return null;

org.adempiere.base/src/org/compiere/acct/Doc_Movement.java

@@ -214,7 +214,7 @@ public class Doc_Movement extends Doc
 			{
 				//	Set AmtAcctCr from Original Movement
 				if (!cr.updateReverseLine (MMovement.Table_ID,
-						m_Reversal_ID, line.getReversalLine_ID(),Env.ONE))
+						m_Reversal_ID, line.getReversalLine_ID(),Env.ONE, dr))
 				{
 					p_Error = "Original Inventory Move not posted yet";
 					return null;

org.adempiere.base/src/org/compiere/acct/FactLine.java

@@ -63,7 +63,7 @@ public final class FactLine extends X_Fact_Acct
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -533308106857819424L;
+	private static final long serialVersionUID = -601720541421664784L;
 
 	/**
 	 *	Constructor
@@ -1110,7 +1110,6 @@ public final class FactLine extends X_Fact_Acct
 		return new_Account_ID;
 	}   //  createRevenueRecognition
 
-
 	/**************************************************************************
 	 * 	Update Line with reversed Original Amount in Accounting Currency.
 	 * 	Also copies original dimensions like Project, etc.
@@ -1123,6 +1122,26 @@ public final class FactLine extends X_Fact_Acct
 	 */
 	public boolean updateReverseLine (int AD_Table_ID, int Record_ID, int Line_ID,
 		BigDecimal multiplier)
+	{
+		return updateReverseLine(AD_Table_ID, Record_ID, Line_ID, multiplier, null);
+	}
+
+	/**************************************************************************
+	 * 	Update Line with reversed Original Amount in Accounting Currency.
+	 * 	Also copies original dimensions like Project, etc.
+	 * 	Called from Doc_MatchInv
+	 * 	@param AD_Table_ID table
+	 * 	@param Record_ID record
+	 * 	@param Line_ID line
+	 * 	@param multiplier targetQty/documentQty
+	 *  @param otherLine reversal line created before this. if not null, this reversal should reverse the opposite sign.
+	 * 	@return true if success
+	 * 
+	 * NOTE: otherLine is required in cases where the original DR/CR postings are done in the same account
+	 * in this case looking just for the first posting is wrong and results in a non-balanced reversal posting
+	 */
+	public boolean updateReverseLine (int AD_Table_ID, int Record_ID, int Line_ID,
+		BigDecimal multiplier, FactLine otherLine)
 	{
 		boolean success = false;
 
@@ -1143,8 +1162,16 @@ public final class FactLine extends X_Fact_Acct
 		if (MMovement.Table_ID == AD_Table_ID)
 			sql.append(" AND M_Locator_ID=?");
 		// end MZ
-		sql.append(" ORDER BY Fact_Acct_ID ");
+		if (otherLine != null) 
+		{
+			if (otherLine.getAmtAcctDr().signum() == 0 && otherLine.getAmtAcctCr().signum() != 0)
+				sql.append(" AND AmtAcctDr = 0 AND AmtAcctCr != 0 ");
+			else if (otherLine.getAmtAcctDr().signum() != 0 && otherLine.getAmtAcctCr().signum() == 0)
+				sql.append(" AND AmtAcctCr = 0 AND AmtAcctDr != 0 ");
+		}
 		
+		sql.append(" ORDER BY Fact_Acct_ID");
+				
 		PreparedStatement pstmt = null;
 		ResultSet rs = null;
 		try