Check already associated records and use them in filter query

Author: GHSayak25

Server-Side Components/Script Includes/Get Already Associated Records/getAlreadyAssociatedRecords.js

@@ -0,0 +1,22 @@
+//Check if there is already record existing for a particular Issue to Item.
+
+var getAlreadyAssociatedRecords = Class.create();
+getAlreadyAssociatedRecords.prototype = Object.extendsObject(global.AbstractAjaxProcessor, {
+
+	getSysIdsItem: function(issueId) {
+
+		    var alreadyAssociatedContent = [];
+        var gr = new GlideRecord('sn_grc_m2m_issue_item');
+        gr.addQuery('sn_grc_issue', issueId);
+        gr.query();
+
+        while (gr.next()) {
+            if (!gr.sn_grc_item.nil())
+                alreadyAssociatedContent.push(gr.getValue('sn_grc_item').toString());
+        }
+        return alreadyAssociatedContent.join(',');
+
+	},
+
+    type: 'getAlreadyAssociatedRecords'
+});