Update MT110 message records and parsing

swiftmt/110_advice_of_cheque(s).bal

@@ -17,25 +17,14 @@
 # Defines the elements of the MT110 message block 4.
 #
 # + MT20 - Sender's Reference  
-# + MT21 - Check Number Reference 
-# + MT30 - Date of Issue  
-# + MT32A - Amount (Option A) 
-# + MT32B - Amount (Option B)  
-# + MT50A - Payer (Option A)  
-# + MT50F - Payer (Option F)  
-# + MT50K - Payer (Option K)  
-# + MT52A - Drawer Bank (Option A)  
-# + MT52B - Drawer Bank (Option B)  
-# + MT52D - Drawer Bank (Option D)  
 # + MT53A - Sender's Correpondant (Option A)  
 # + MT53B - Sender's Correpondant (Option B)  
 # + MT53D - Sender's Correpondant (Option D)  
 # + MT54A - Receiver's Correpondant (Option A)  
 # + MT54B - Receiver's Correpondant (Option B)  
 # + MT54D - Receiver's Correpondant (Option D)  
-# + MT59 - Payee  
-# + MT59F - Payee (Option F)  
 # + MT72 - Sender to Receiver Information
+# + Cheques - The Sequence for Advices of Cheque
 public type MT110Block4 record {|
     MT20 MT20;
     MT53A MT53A?;
@@ -45,6 +34,24 @@ public type MT110Block4 record {|
     MT54B MT54B?;
     MT54D MT54D?;
     MT72 MT72?;
+    Cheques[] Cheques;
+|};
+
+# Defines the elements of the sequence of advices of cheque.
+#
+# + MT21 - Check Number Reference 
+# + MT30 - Date of Issue  
+# + MT32A - Amount (Option A) 
+# + MT32B - Amount (Option B)  
+# + MT50A - Payer (Option A)  
+# + MT50F - Payer (Option F)  
+# + MT50K - Payer (Option K)  
+# + MT52A - Drawer Bank (Option A)  
+# + MT52B - Drawer Bank (Option B)  
+# + MT52D - Drawer Bank (Option D) 
+# + MT59 - Payee  
+# + MT59F - Payee (Option F)  
+public type Cheques record {|
     MT21 MT21;
     MT30 MT30;
     MT32A MT32A?;

swiftmt/parser.bal

@@ -106,6 +106,7 @@ isolated function convertToProprietaryXml(xml swiftMessageXml) returns xml{
         // customer credit transfer details and copy of original message in the SWIFT message during data mapping. To replicate the original SWIFT 
         // message format, these fields are now being removed.
         if tagElement.getName().equalsIgnoreCaseAscii("Transaction")  || 
+           tagElement.getName().equalsIgnoreCaseAscii("Cheques")  || 
            tagElement.getName().equalsIgnoreCaseAscii("UndrlygCstmrCdtTrf") || 
            tagElement.getName().equalsIgnoreCaseAscii("MessageCopy") {
             block4Xml += tagElement.elementChildren();
@@ -202,6 +203,9 @@ isolated function customizeGeneratedXml(xml customXml) returns xml|error {
         }
     }
 
+    if messageType.equalsIgnoreCaseAscii("110") {
+        return addChequeSequenceForMT110(customXml);
+    }
     if isTransactionSequencerequired && messageType.startsWith("1") && isNotCommonMessageType {
         return addTransactionSequenceForMT1XX(customXml);
     }
@@ -279,6 +283,35 @@ isolated function separateTransactionSequenceForMT1XX(xml customXml) returns (xm
     return [xmlArray,isSequenceCPresent];
 }
 
+isolated function addChequeSequenceForMT110(xml customXml) returns xml {
+    xml[] xmlArray = [];
+    xml chequeXml = xml ``;
+
+    foreach xml tagElement in customXml/**/<block4>/* {
+        string name = tagElement.elementChildren("name").data();
+        if name.equalsIgnoreCaseAscii("21") {
+            xmlArray.push(chequeXml);
+            chequeXml = xml ``;
+        }
+        chequeXml += tagElement;
+    }
+    xmlArray.push(chequeXml);
+    xml newBlock4Xml = xmlArray[0];
+
+    foreach int index in 1 ... xmlArray.length() - 1 {
+        xml:Element rootXml = xml `<Cheques/>`;
+        rootXml.setChildren(xmlArray[index]);
+        newBlock4Xml += rootXml;
+    }
+
+    foreach xml block in customXml.elementChildren() {
+        if block.getName().equalsIgnoreCaseAscii("block4") {
+            block.setChildren(newBlock4Xml);
+        }
+    }
+    return customXml;
+}
+
 # Adds a transaction sequence for MT2XX message types by identifying specific tags like "20","50A","50F","50K", 
 # and grouping the message content accordingly into XML transactions.
 #