Added Auto Save Draft Feature that Implements automatic form data and Adds draft restoration

Author: Siddhartha03D

Client-Side Components/Catalog Client Script/Auto Save Draft Feature/script.js

@@ -0,0 +1,66 @@
+/**
+ * Auto-save draft feature for Catalog Client Script
+ * 
+ * This script automatically saves form data as a draft in the browser's sessionStorage
+ * every minute if changes are detected. It also provides functionality to restore
+ * the last saved draft when the form is loaded.
+ */
+
+// Executes when the form loads
+function onLoad() {
+    var autosaveInterval = 60000; // 1 minute
+    
+    // Try to restore previous draft
+    restoreLastDraft();
+    
+    // Set up auto-save interval
+    setInterval(function() {
+        if (g_form.isModified()) {
+            saveDraft();
+        }
+    }, autosaveInterval);
+}
+
+// Saves the current form state as a draft
+function saveDraft() {
+    try {
+        var draftData = {};
+        g_form.serialize(draftData);
+        
+        var draftKey = 'catalogDraft_' + g_form.getUniqueValue();
+        sessionStorage.setItem(draftKey, JSON.stringify({
+            timestamp: new Date().getTime(),
+            data: draftData
+        }));
+        
+        g_form.addInfoMessage('Draft saved automatically');
+    } catch (e) {
+        console.error('Error saving draft: ' + e);
+    }
+}
+
+// Restores the last saved draft if available
+function restoreLastDraft() {
+    try {
+        var draftKey = 'catalogDraft_' + g_form.getUniqueValue();
+        var savedDraft = sessionStorage.getItem(draftKey);
+        
+        if (savedDraft) {
+            var draftData = JSON.parse(savedDraft);
+            var timestamp = new Date(draftData.timestamp);
+            
+            // Ask user if they want to restore the draft
+            if (confirm('A draft from ' + timestamp.toLocaleString() + ' was found. Would you like to restore it?')) {
+                Object.keys(draftData.data).forEach(function(field) {
+                    g_form.setValue(field, draftData.data[field]);
+                });
+                g_form.addInfoMessage('Draft restored from ' + timestamp.toLocaleString());
+            } else {
+                // Clear the draft if user chooses not to restore
+                sessionStorage.removeItem(draftKey);
+            }
+        }
+    } catch (e) {
+        console.error('Error restoring draft: ' + e);
+    }
+}