Create Script include.js

Author: Maheshkh9738

Client-Side Components/Catalog Client Script/Document validation/Script include.js

@@ -0,0 +1,22 @@
+var DocumentValidationHelper = Class.create();
+DocumentValidationHelper.prototype = Object.extendsObject(AbstractAjaxProcessor, {
+  validateAttachments: function() {
+    var itemId = this.getParameter('sysparm_item_id');
+    var attachmentGR = new GlideRecord('sys_attachment');
+    attachmentGR.addQuery('table_name', 'sc_req_item');
+    attachmentGR.addQuery('table_sys_id', itemId);
+    attachmentGR.query();
+
+    while (attachmentGR.next()) {
+      var fileName = attachmentGR.file_name.toLowerCase();
+      if (!fileName.endsWith('.pdf') && !fileName.endsWith('.docx')) {
+        return 'Only PDF or DOCX files are allowed.';
+      }
+      if (attachmentGR.size_bytes > 5 * 1024 * 1024) {
+        return 'File size exceeds 5MB limit.';
+      }
+    }
+
+    return 'valid';
+  }
+});