Created RangeOfAqiBloc along with its events, and state.

lib/pages/analytics/modules/air_quality/blocs/range_of_aqi/range_of_aqi_bloc.dart

@@ -0,0 +1,37 @@
+import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:syncrow_web/pages/analytics/models/range_of_aqi.dart';
+import 'package:syncrow_web/pages/analytics/params/get_range_of_aqi_param.dart';
+import 'package:syncrow_web/pages/analytics/services/range_of_aqi/range_of_aqi_service.dart';
+
+part 'range_of_aqi_event.dart';
+part 'range_of_aqi_state.dart';
+
+class RangeOfAqiBloc extends Bloc<RangeOfAqiEvent, RangeOfAqiState> {
+  RangeOfAqiBloc(this._rangeOfAqiService) : super(const RangeOfAqiState()) {
+    on<LoadRangeOfAqiEvent>(_onLoadRangeOfAqiEvent);
+    on<ClearRangeOfAqiEvent>(_onClearRangeOfAqiEvent);
+  }
+
+  final RangeOfAqiService _rangeOfAqiService;
+
+  Future<void> _onLoadRangeOfAqiEvent(
+    LoadRangeOfAqiEvent event,
+    Emitter<RangeOfAqiState> emit,
+  ) async {
+    emit(const RangeOfAqiState(status: RangeOfAqiStatus.loading));
+    try {
+      final rangeOfAqi = await _rangeOfAqiService.load(event.param);
+      emit(RangeOfAqiState(status: RangeOfAqiStatus.loaded, rangeOfAqi: rangeOfAqi));
+    } catch (e) {
+      emit(RangeOfAqiState(status: RangeOfAqiStatus.failure, errorMessage: '$e'));
+    }
+  }
+
+  void _onClearRangeOfAqiEvent(
+    ClearRangeOfAqiEvent event,
+    Emitter<RangeOfAqiState> emit,
+  ) {
+    emit(const RangeOfAqiState());
+  }
+}

lib/pages/analytics/modules/air_quality/blocs/range_of_aqi/range_of_aqi_event.dart

@@ -0,0 +1,21 @@
+part of 'range_of_aqi_bloc.dart';
+
+sealed class RangeOfAqiEvent extends Equatable {
+  const RangeOfAqiEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class LoadRangeOfAqiEvent extends RangeOfAqiEvent {
+  const LoadRangeOfAqiEvent(this.param);
+
+  final GetRangeOfAqiParam param;
+
+  @override
+  List<Object> get props => [param];
+}
+
+class ClearRangeOfAqiEvent extends RangeOfAqiEvent {
+  const ClearRangeOfAqiEvent();
+}

lib/pages/analytics/modules/air_quality/blocs/range_of_aqi/range_of_aqi_state.dart

@@ -0,0 +1,18 @@
+part of 'range_of_aqi_bloc.dart';
+
+enum RangeOfAqiStatus { initial, loading, loaded, failure }
+
+final class RangeOfAqiState extends Equatable {
+  const RangeOfAqiState({
+    this.rangeOfAqi = const [],
+    this.status = RangeOfAqiStatus.initial,
+    this.errorMessage,
+  });
+
+  final RangeOfAqiStatus status;
+  final List<RangeOfAqi> rangeOfAqi;
+  final String? errorMessage;
+
+  @override
+  List<Object?> get props => [status, rangeOfAqi, errorMessage];
+}