Update mrvs_total_sum.js to use getRow method

Author: JohanDC-1999

Server-Side Components/Business Rules/Find MRVS Total/mrvs_total_sum.js

@@ -1,27 +1,25 @@
-(function executeRule(current, previous /*null when async*/) {
-
+(function executeRule(current, previous /*null when async*/ ) {
     // --- Configuration ---
-    var VARIABLE_NAME_TO_POPULATE_WITH_SUM = 'total_estimate'; // Add the name of your variable where total should be saved
-    var MRVS_INTERNAL_NAME = 'item_details'; // Add the internal name of your multi-row variable set
-    var MRVS_VARIABLE_NAME_TO_SUM = 'quoted_price'; // Add the variable name that contains the value to be added for each row
+    var VARIABLE_NAME_TO_POPULATE_WITH_SUM = 'total_estimate'; // Variable to store the total
+    var MRVS_INTERNAL_NAME = 'item_details'; // Internal name of your multi-row variable set
+    var MRVS_VARIABLE_NAME_TO_SUM = 'quoted_price'; // Variable name containing the value to sum
+
+    // --- Don't change below ---
+    var total_value = 0;
 
-    // -- Don't change below --
+    // Get the MRVS object
     var mrvs = current.variables[MRVS_INTERNAL_NAME];
 
-    var total_value = 0;
-    
-    // The mrvs variable is already a JSON string, so we need to parse it
-    var mrvsRows = JSON.parse(mrvs);
+    // Get the number of rows
+    var rowCount = mrvs.getRowCount();
 
     // Loop through the parsed array of rows
-    for (var i = 0; i < mrvsRows.length; i++) {
-        var row = mrvsRows[i];
-        var line_price = parseFloat(row[MRVS_VARIABLE_NAME_TO_SUM]) || 0;
-        total_value += line_price;
+    for (var i = 0; i < rowCount; i++) {
+        var row = mrvs.getRow(i);
+		var line_price = parseFloat(row[MRVS_VARIABLE_NAME_TO_SUM]) || 0;
+		total_value += line_price;
     }
 
-
     current.variables[VARIABLE_NAME_TO_POPULATE_WITH_SUM] = total_value.toFixed(2);
 
-
 })(current, previous);