Create DynamicTableQueryUtil.js

Author: bharakm

Client-Side Components/Catalog Client Script/Reusable GlideAjax Client Script/DynamicTableQueryUtil.js

@@ -0,0 +1,73 @@
+var DynamicTableQueryUtil = Class.create();
+DynamicTableQueryUtil.prototype = Object.extendsObject(AbstractAjaxProcessor, {
+
+    getTableRow: function() {
+        var tableName = this.getParameter('sysparm_table_name');
+        var keyField = this.getParameter('sysparm_key_field');
+        var keyValue = this.getParameter('sysparm_key_value');
+        var fieldsParam = this.getParameter('sysparm_fields');
+        var limitFields = !JSUtil.nil(fieldsParam);
+        var desiredFields = limitFields ? fieldsParam.split(',') : [];
+
+        var result = {};
+        var tableObj = {};
+        var gr = new GlideRecord(tableName);
+
+        // Use addQuery for non-sys_id fields
+        if (keyField === 'sys_id') {
+            if (!gr.get(keyValue)) {
+                return null;
+            }
+        } else {
+            gr.addQuery(keyField, keyValue);
+            gr.query();
+            if (!gr.next()) {
+                return null;
+            }
+        }
+
+        // Handle variables (if present)
+        if (gr.variables) {
+            for (var key in gr.variables) {
+                if (!JSUtil.nil(gr.variables[key])) {
+                    var variableObj = gr.variables[key];
+                    tableObj['variables.' + key] = {
+                        fieldDisplayVal: variableObj.getDisplayValue() || String(variableObj),
+                        fieldVal: String(variableObj)
+                    };
+                }
+            }
+        }
+
+        // Handle standard fields
+        var fields = gr.getFields();
+        for (var i = 0; i < fields.size(); i++) {
+            var field = fields.get(i);
+            var fieldName = field.getName();
+            tableObj[fieldName] = {
+                fieldDisplayVal: field.getDisplayValue() || String(field),
+                fieldVal: String(field)
+            };
+        }
+
+        // Add sys_id explicitly
+        tableObj['sys_id'] = {
+            fieldDisplayVal: 'Sys ID',
+            fieldVal: gr.getUniqueValue()
+        };
+
+        // Filter fields if requested
+        if (limitFields) {
+            desiredFields.forEach(function(field) {
+                field = field.trim();
+                if (tableObj[field]) {
+                    result[field] = tableObj[field];
+                }
+            });
+        } else {
+            result = tableObj;
+        }
+
+        return new JSON().encode(result);
+    }
+});