Avoid Duplicate Attachments on incident based on filename (#1013)

* Create AvoidduplicateattachmentsonIncident.js

When You attach same file name attachment on Incident , this business runs and aborts attaching the duplicate which has same filename

* Create readme.md

This BR runs to check duplicate Attachments on Incident table based on attachment filename

Author: vk-cloud

Business Rules/duplicateattachments/AvoidduplicateattachmentsonIncident.js

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+
+   if(current.table_name=="incident") {
+	
+	var attached = new GlideRecord('sys_attachment');
+	attached.addQuery('table_name','incident');
+	attached.addQuery('table_sys_id', current.table_sys_id);
+	attached.addQuery('file_name',current.file_name);
+	attached.query();
+	if(attached.next())
+		{
+			
+			gs.addInfoMessage('Attachement already Exists with the Same Name do not upload same attachement');
+			current.setAbortAction(true);
+		
+		}
+      }

Business Rules/duplicateattachments/readme.md

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+Type: Business Rule When: OnBefore and On Insert Operation  Table:Incident
+This BR runs on Insert Operation , IT compares the filename from Sysattachment table and if same attachment with Same file exists on the Incident this BR runs and Abort the Attaching Attachments