Merge pull request #176 from SyncrowIOT/SP-1510-FE-Build-Occupancy-Bar-Chart-Monthly-Consumption-View

Sp 1510 fe build occupancy bar chart monthly consumption view

lib/pages/analytics/modules/occupancy/blocs/occupancy/occupancy_bloc.dart

@@ -0,0 +1,37 @@
+import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:syncrow_web/pages/analytics/models/occupacy.dart';
+import 'package:syncrow_web/pages/analytics/params/get_occupancy_param.dart';
+import 'package:syncrow_web/pages/analytics/services/occupacy/occupacy_service.dart';
+
+part 'occupancy_event.dart';
+part 'occupancy_state.dart';
+
+class OccupancyBloc extends Bloc<OccupancyEvent, OccupancyState> {
+  OccupancyBloc(this._occupacyService) : super(const OccupancyState()) {
+    on<LoadOccupancyEvent>(_onLoadOccupancyEvent);
+    on<ClearOccupancyEvent>(_onClearOccupancyEvent);
+  }
+
+  final OccupacyService _occupacyService;
+
+  Future<void> _onLoadOccupancyEvent(
+    LoadOccupancyEvent event,
+    Emitter<OccupancyState> emit,
+  ) async {
+    emit(state.copyWith(status: OccupancyStatus.loading));
+    try {
+      final chartData = await _occupacyService.load(event.param);
+      emit(state.copyWith(chartData: chartData, status: OccupancyStatus.loaded));
+    } catch (e) {
+      emit(state.copyWith(status: OccupancyStatus.failure, errorMessage: '$e'));
+    }
+  }
+
+  void _onClearOccupancyEvent(
+    ClearOccupancyEvent event,
+    Emitter<OccupancyState> emit,
+  ) {
+    emit(const OccupancyState());
+  }
+}

lib/pages/analytics/modules/occupancy/blocs/occupancy/occupancy_event.dart

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+part of 'occupancy_bloc.dart';
+
+sealed class OccupancyEvent extends Equatable {
+  const OccupancyEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+final class LoadOccupancyEvent extends OccupancyEvent {
+  const LoadOccupancyEvent(this.param);
+
+  final GetOccupancyParam param;
+
+  @override
+  List<Object> get props => [param];
+}
+
+final class ClearOccupancyEvent extends OccupancyEvent {
+  const ClearOccupancyEvent();
+}

lib/pages/analytics/modules/occupancy/blocs/occupancy/occupancy_state.dart

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+part of 'occupancy_bloc.dart';
+
+enum OccupancyStatus { initial, loading, loaded, failure }
+
+final class OccupancyState extends Equatable {
+  const OccupancyState({
+    this.chartData = const [],
+    this.status = OccupancyStatus.initial,
+    this.errorMessage,
+  });
+
+  final List<Occupacy> chartData;
+  final OccupancyStatus status;
+  final String? errorMessage;
+
+  OccupancyState copyWith({
+    List<Occupacy>? chartData,
+    OccupancyStatus? status,
+    String? errorMessage,
+  }) {
+    return OccupancyState(
+      chartData: chartData ?? this.chartData,
+      status: status ?? this.status,
+      errorMessage: errorMessage ?? this.errorMessage,
+    );
+  }
+
+  @override
+  List<Object?> get props => [chartData, status, errorMessage];
+}