feat: automatic ads data loading and attributed sales line in chart

services/storage.ts

@@ -3,6 +3,7 @@ import { SalesRecord } from '../types';
 
 const DB_NAME = 'CrazeAnalytixDB';
 const STORE_NAME = 'salesData';
+const ADS_STORE_NAME = 'adsData';
 const DB_VERSION = 1;
 // Increment this when data processing logic changes (e.g., field mapping changes)
 // This forces cache invalidation and re-processing of CSV data
@@ -17,6 +18,9 @@ const initDB = (): Promise<IDBDatabase> => {
       if (!db.objectStoreNames.contains(STORE_NAME)) {
         db.createObjectStore(STORE_NAME);
       }
+      if (!db.objectStoreNames.contains(ADS_STORE_NAME)) {
+        db.createObjectStore(ADS_STORE_NAME);
+      }
     };
 
     request.onsuccess = () => resolve(request.result);
@@ -99,3 +103,63 @@ export const clearSalesData = async (): Promise<void> => {
     console.error(e);
   }
 }
+
+// --- ADS STORAGE ---
+
+export const saveAdsData = async (data: any[]): Promise<void> => {
+  try {
+    const db = await initDB();
+    return new Promise((resolve, reject) => {
+      const transaction = db.transaction(ADS_STORE_NAME, 'readwrite');
+      const store = transaction.objectStore(ADS_STORE_NAME);
+
+      store.put(data, 'currentData');
+      store.put(new Date().toISOString(), 'lastUpdated');
+
+      transaction.oncomplete = () => resolve();
+      transaction.onerror = () => reject(transaction.error);
+    });
+  } catch (error) {
+    console.error("Error saving ads to IndexedDB:", error);
+  }
+};
+
+export const loadAdsData = async (): Promise<{ data: any[]; lastUpdated: string | null }> => {
+  try {
+    const db = await initDB();
+    return new Promise((resolve, reject) => {
+      const transaction = db.transaction(ADS_STORE_NAME, 'readonly');
+      const store = transaction.objectStore(ADS_STORE_NAME);
+
+      const dataReq = store.get('currentData');
+      const dateReq = store.get('lastUpdated');
+
+      transaction.oncomplete = () => {
+        resolve({
+          data: dataReq.result || [],
+          lastUpdated: dateReq.result || null
+        });
+      };
+
+      transaction.onerror = () => reject(transaction.error);
+    });
+  } catch (error) {
+    console.error("Error loading ads from IndexedDB:", error);
+    return { data: [], lastUpdated: null };
+  }
+};
+
+export const clearAdsData = async (): Promise<void> => {
+  try {
+    const db = await initDB();
+    return new Promise((resolve, reject) => {
+      const transaction = db.transaction(ADS_STORE_NAME, 'readwrite');
+      const store = transaction.objectStore(ADS_STORE_NAME);
+      store.clear();
+      transaction.oncomplete = () => resolve();
+      transaction.onerror = () => reject(transaction.error);
+    });
+  } catch (e) {
+    console.error(e);
+  }
+}