Create Set due date on Request

Sets the "due_date" on a Request with associated RITM with the highest "due_date".

Follows the below steps to calculate and set the field:
1) Finding the associated RITM with the highest "due_date".
2) Assigning the Request's "due_date" to match that RITM's "due_date".

Author: AnandMahajan2799

Server-Side Components/Business Rules/Set Due Date on Request and RITM based on Delivery Time/set_due_date_on_request.js

@@ -0,0 +1,31 @@
+/**
+ * Business Rule: Set due date on Request
+ * Table: sc_request
+ * When: before insert
+ *
+ * @description
+ * Sets the "due_date" on a Request by:
+ *  1) Finding the associated RITM with the highest "due_date".
+ *  2) Assigning the Request's "due_date" to match that RITM's "due_date".
+ */
+(function executeRule(current, previous /* null when async */) {
+
+    try {
+        // Query RITMs linked to this Request and pick the one with the highest due_date.
+        var reqGR = new GlideRecord("sc_req_item");
+        reqGR.addQuery("request", current.getUniqueValue());
+        reqGR.orderByDesc('due_date'); // Latest due_date first
+        reqGR.setLimit(1);
+        reqGR.query();
+
+        if (reqGR.next()) {
+			      // Set due date
+            current.setValue('due_date', reqGR.getValue('due_date'));
+        }
+
+    } catch (ex) {
+        var message = ex.getMessage();
+        gs.error("Business Rule: Error - " + message);
+    }
+
+})(current, previous);