update

2025-10-26 16:09:56 +07:00
parent 0e83d213fc
commit 655902a659
23 changed files with 3519 additions and 6 deletions
@@ -0,0 +1,78 @@
+import 'package:bloc/bloc.dart';
+import 'package:dartz/dartz.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:injectable/injectable.dart';
+
+import '../../../domain/table/table.dart';
+
+part 'table_loader_event.dart';
+part 'table_loader_state.dart';
+part 'table_loader_bloc.freezed.dart';
+
+@injectable
+class TableLoaderBloc extends Bloc<TableLoaderEvent, TableLoaderState> {
+  final ITableRepository _repository;
+  TableLoaderBloc(this._repository) : super(TableLoaderState.initial()) {
+    on<TableLoaderEvent>(_onTableLoadedEvent);
+  }
+
+  Future<void> _onTableLoadedEvent(
+    TableLoaderEvent event,
+    Emitter<TableLoaderState> emit,
+  ) {
+    return event.map(
+      fetched: (e) async {
+        var newState = state;
+
+        if (e.isRefresh) {
+          newState = newState.copyWith(isFetching: true);
+          emit(newState);
+        }
+
+        newState = await _mapFetchedToState(newState, isRefresh: e.isRefresh);
+        emit(newState);
+      },
+    );
+  }
+
+  Future<TableLoaderState> _mapFetchedToState(
+    TableLoaderState state, {
+    bool isRefresh = false,
+  }) async {
+    state = state.copyWith(isFetching: false);
+
+    if (state.hasReachedMax && state.tables.isNotEmpty && !isRefresh) {
+      return state;
+    }
+
+    if (isRefresh) {
+      state = state.copyWith(
+        page: 1,
+        failureOption: none(),
+        hasReachedMax: false,
+        tables: [],
+      );
+    }
+
+    final failureOrTable = await _repository.fetchTables(page: state.page);
+
+    state = failureOrTable.fold(
+      (f) {
+        if (state.tables.isNotEmpty) {
+          return state.copyWith(hasReachedMax: true);
+        }
+        return state.copyWith(failureOption: optionOf(f));
+      },
+      (tables) {
+        return state.copyWith(
+          tables: List.from(state.tables)..addAll(tables.tables),
+          failureOption: none(),
+          page: state.page + 1,
+          hasReachedMax: tables.tables.length < 10,
+        );
+      },
+    );
+
+    return state;
+  }
+}