feat: improve initial shopping list load

TomBursch · Aug 11, 2023 · d69b052 · d69b052
1 parent 8da209d
commit d69b052
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Showing 2 changed files with 60 additions and 2 deletions.
diff --git a/lib/cubits/shoppinglist_cubit.dart b/lib/cubits/shoppinglist_cubit.dart
@@ -33,6 +33,7 @@ class ShoppinglistCubit extends Cubit<ShoppinglistCubitState> {
         );
       }
     });
+    _initialLoad();
     refresh();
   }
 
@@ -194,6 +195,59 @@ class ShoppinglistCubit extends Cubit<ShoppinglistCubitState> {
     return _refreshThread!;
   }
 
+  Future<void> _initialLoad() async {
+    final shoppingLists = await TransactionHandler.getInstance().runTransaction(
+      TransactionShoppingListGet(household: household),
+      forceOffline: true,
+    );
+
+    final shoppinglist =
+        state.selectedShoppinglist ?? shoppingLists.firstOrNull;
+
+    if (shoppinglist == null) return;
+
+    Future<List<ShoppinglistItem>> items =
+        TransactionHandler.getInstance().runTransaction(
+      TransactionShoppingListGetItems(
+        shoppinglist: shoppinglist,
+        sorting: state.sorting,
+      ),
+      forceOffline: true,
+    );
+
+    Future<List<Category>> categories =
+        TransactionHandler.getInstance().runTransaction(
+      TransactionCategoriesGet(household: household),
+      forceOffline: true,
+    );
+
+    final recent = TransactionHandler.getInstance().runTransaction(
+      TransactionShoppingListGetRecentItems(
+        shoppinglist: shoppinglist,
+        itemsCount: recentItemCountProvider(),
+      ),
+      forceOffline: true,
+    );
+    List<ShoppinglistItem> loadedShoppinglistItems = await items;
+    final resState = ShoppinglistCubitState(
+      shoppinglists: shoppingLists,
+      selectedShoppinglist: shoppinglist,
+      listItems: loadedShoppinglistItems,
+      recentItems: await recent,
+      categories: await categories,
+      sorting: state.sorting,
+      selectedListItems: state.selectedListItems
+          .map((e) => (loadedShoppinglistItems)
+              .firstWhereOrNull((item) => item.id == e.id))
+          .whereNotNull()
+          .toList(),
+    );
+
+    if (state is LoadingShoppinglistCubitState) {
+      emit(resState);
+    }
+  }
+
   // ignore: long-method
   Future<void> _refresh([String? query]) async {
     // Get required information

diff --git a/lib/services/transaction_handler.dart b/lib/services/transaction_handler.dart
@@ -32,11 +32,15 @@ class TransactionHandler {
     }
   }
 
-  Future<T> runTransaction<T>(Transaction<T> t) async {
+  Future<T> runTransaction<T>(
+    Transaction<T> t, {
+    bool forceOffline = false,
+  }) async {
+    forceOffline = forceOffline || App.isForcedOffline;
     if (!ApiService.getInstance().isConnected()) {
       await ApiService.getInstance().refresh();
     }
-    if (!App.isForcedOffline && ApiService.getInstance().isConnected()) {
+    if (!forceOffline && ApiService.getInstance().isConnected()) {
       T? res = await t.runOnline();
       if (res != null && (res is! bool || res)) return res;
     }