outlet dialog

2025-10-24 14:28:04 +07:00
parent 13b1b6e6b8
commit 683fff6eeb
13 changed files with 846 additions and 22 deletions
@@ -0,0 +1,84 @@
+import 'package:bloc/bloc.dart';
+import 'package:dartz/dartz.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:injectable/injectable.dart';
+
+import '../../../domain/outlet/outlet.dart';
+
+part 'outlet_loader_event.dart';
+part 'outlet_loader_state.dart';
+part 'outlet_loader_bloc.freezed.dart';
+
+@injectable
+class OutletLoaderBloc extends Bloc<OutletLoaderEvent, OutletLoaderState> {
+  final IOutletRepository _outletRepository;
+
+  OutletLoaderBloc(this._outletRepository)
+    : super(OutletLoaderState.initial()) {
+    on<OutletLoaderEvent>(_onOutletLoaderEvent);
+  }
+
+  Future<void> _onOutletLoaderEvent(
+    OutletLoaderEvent event,
+    Emitter<OutletLoaderState> emit,
+  ) {
+    return event.map(
+      fetched: (e) async {
+        var newState = state;
+
+        if (e.isRefresh) {
+          newState = state.copyWith(isFetching: true);
+
+          emit(newState);
+        }
+
+        newState = await _mapFetchedToState(state, isRefresh: e.isRefresh);
+
+        emit(newState);
+      },
+    );
+  }
+
+  Future<OutletLoaderState> _mapFetchedToState(
+    OutletLoaderState state, {
+    bool isRefresh = false,
+  }) async {
+    state = state.copyWith(isFetching: false);
+
+    if (state.hasReachedMax && state.outlets.isNotEmpty && !isRefresh) {
+      return state;
+    }
+
+    if (isRefresh) {
+      state = state.copyWith(
+        page: 1,
+        failureOptionOutlet: none(),
+        hasReachedMax: false,
+        outlets: [],
+      );
+    }
+
+    final failureOrOutlet = await _outletRepository.getOutlets(
+      page: state.page,
+    );
+
+    state = failureOrOutlet.fold(
+      (f) {
+        if (state.outlets.isNotEmpty) {
+          return state.copyWith(hasReachedMax: true);
+        }
+        return state.copyWith(failureOptionOutlet: optionOf(f));
+      },
+      (outlets) {
+        return state.copyWith(
+          outlets: List.from(state.outlets)..addAll(outlets),
+          failureOptionOutlet: none(),
+          page: state.page + 1,
+          hasReachedMax: outlets.length < 10,
+        );
+      },
+    );
+
+    return state;
+  }
+}