Auto-populate location variables for catalog item

Author: Dhruvyadav2000

Client-Side Components/Catalog Client Script/Populate Location Variables/onLoad.js

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+// ========================================
+// CATALOG CLIENT SCRIPT
+// ========================================
+// Name: Auto-populate Location Variables
+// Type: onLoad
+// UI Type: Desktop (or All)
+// Applies to: [Your Catalog Item]
+// ========================================
+
+function onLoad() {
+    // Get current logged-in user's ID
+    var userId = g_user.userID;
+    
+    // Call Script Include to get user's location information
+    var ga = new GlideAjax('LocationUtilsAjax');
+    ga.addParam('sysparm_name', 'getUserLocation');
+    ga.addParam('sysparm_user_id', userId);
+    ga.getXMLAnswer(function(response) {
+        if (response) {
+            var locationData = JSON.parse(response);
+            
+            // Populate catalog variables
+            if (locationData.location) {
+                g_form.setValue('location', locationData.location);
+            }
+            if (locationData.city) {
+                g_form.setValue('city', locationData.city);
+            }
+            if (locationData.state) {
+                g_form.setValue('state', locationData.state);
+            }
+            if (locationData.country) {
+                g_form.setValue('country', locationData.country);
+            }
+        }
+    });
+}

Client-Side Components/Catalog Client Script/Populate Location Variables/scriptInclude.js

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+// ========================================
+// SCRIPT INCLUDE (SERVER-SIDE)
+// ========================================
+// Name: LocationUtilsAjax
+// API Name: LocationUtilsAjax
+// Client callable: TRUE (checked)
+// Active: TRUE (checked)
+// ========================================
+
+var LocationUtilsAjax = Class.create();
+LocationUtilsAjax.prototype = Object.extendsObject(AbstractAjaxProcessor, {
+    
+    getUserLocation: function() {
+        var userId = this.getParameter('sysparm_user_id');
+        var result = {};
+        
+        if (userId) {
+            // Get user record
+            var userGR = new GlideRecord('sys_user');
+            if (userGR.get(userId)) {
+                // Get location reference
+                if (!userGR.location.nil()) {
+                    // Get location details from cmn_location table
+                    var locGR = new GlideRecord('cmn_location');
+                    if (locGR.get(userGR.location)) {
+                        result.location = locGR.name.toString();
+                        result.city = locGR.city.toString();
+                        result.state = locGR.state.toString();
+                        result.country = locGR.country.toString();
+                    }
+                }
+            }
+        }
+        
+        return JSON.stringify(result);
+    },
+    
+    type: 'LocationUtilsAjax'
+});