initial public release.

src/util/saveUtil.ts

@@ -0,0 +1,68 @@
+import { KGStorage, DuplicateEntryError } from '../core/io/KGStorage';
+import { DB_CONSTANTS } from '../constants/coreConstants';
+import { KGCore } from '../core/KGCore';
+
+/**
+ * Save project utility function
+ * Handles saving the current project with proper error handling and user confirmation
+ * @param projectName - The name of the project to save
+ * @param setStatus - Function to update the status message
+ * @returns Promise<boolean> - Returns true if save was successful, false otherwise
+ */
+export const saveProject = async (
+  projectName: string,
+  setStatus: (status: string) => void
+): Promise<boolean> => {
+  const storage = KGStorage.getInstance();
+  
+  try {
+    await storage.save(
+      DB_CONSTANTS.DB_NAME,
+      DB_CONSTANTS.PROJECTS_STORE_NAME,
+      projectName,
+      KGCore.instance().getCurrentProject(),
+      false,
+      DB_CONSTANTS.DB_VERSION
+    );
+    
+    setStatus(`Project "${projectName}" has been saved`);
+    console.log("project saved successfully");
+    return true;
+    
+  } catch (error) {
+    console.error("Error saving project:", error);
+    
+    if (error instanceof DuplicateEntryError) {
+      const confirmed = window.confirm(`Project "${projectName}" already exists. Do you want to overwrite it?`);
+      
+      if (confirmed) {
+        try {
+          await storage.save(
+            DB_CONSTANTS.DB_NAME,
+            DB_CONSTANTS.PROJECTS_STORE_NAME,
+            projectName,
+            KGCore.instance().getCurrentProject(),
+            true,
+            DB_CONSTANTS.DB_VERSION
+          );
+          
+          setStatus(`Project "${projectName}" has been saved`);
+          console.log("project saved successfully after overwrite");
+          return true;
+          
+        } catch (overwriteError) {
+          console.error("Error overwriting project:", overwriteError);
+          window.alert(`An error occurred while overwriting the project: ${overwriteError}`);
+          return false;
+        }
+      } else {
+        // User cancelled the overwrite
+        return false;
+      }
+    } else {
+      console.error("Error saving project:", error);
+      window.alert(`An unknown error ${error} occurred. Please try again.`);
+      return false;
+    }
+  }
+};