feat: inventory report

lib/presentation/report/blocs/inventory_report/inventory_report_bloc.dart

@@ -0,0 +1,29 @@
+import 'package:bloc/bloc.dart';
+import 'package:enaklo_pos/data/datasources/analytic_remote_datasource.dart';
+import 'package:enaklo_pos/data/models/response/inventory_analytic_response_model.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'inventory_report_event.dart';
+part 'inventory_report_state.dart';
+part 'inventory_report_bloc.freezed.dart';
+
+class InventoryReportBloc
+    extends Bloc<InventoryReportEvent, InventoryReportState> {
+  final AnalyticRemoteDatasource _datasource;
+  InventoryReportBloc(this._datasource)
+      : super(InventoryReportState.initial()) {
+    on<_Get>((event, emit) async {
+      emit(_Loading());
+
+      final result = await _datasource.getInventory(
+          dateFrom: event.startDate, dateTo: event.endDate);
+
+      result.fold(
+        (f) => emit(_Error(f)),
+        (r) => emit(
+          _Loaded(r.data!),
+        ),
+      );
+    });
+  }
+}

lib/presentation/report/blocs/inventory_report/inventory_report_bloc.freezed.dart

@@ -0,0 +1,863 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'inventory_report_bloc.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
+
+/// @nodoc
+mixin _$InventoryReportEvent {
+  DateTime get startDate => throw _privateConstructorUsedError;
+  DateTime get endDate => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(DateTime startDate, DateTime endDate) get,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(DateTime startDate, DateTime endDate)? get,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(DateTime startDate, DateTime endDate)? get,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Get value) get,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Get value)? get,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Get value)? get,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+
+  /// Create a copy of InventoryReportEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $InventoryReportEventCopyWith<InventoryReportEvent> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $InventoryReportEventCopyWith<$Res> {
+  factory $InventoryReportEventCopyWith(InventoryReportEvent value,
+          $Res Function(InventoryReportEvent) then) =
+      _$InventoryReportEventCopyWithImpl<$Res, InventoryReportEvent>;
+  @useResult
+  $Res call({DateTime startDate, DateTime endDate});
+}
+
+/// @nodoc
+class _$InventoryReportEventCopyWithImpl<$Res,
+        $Val extends InventoryReportEvent>
+    implements $InventoryReportEventCopyWith<$Res> {
+  _$InventoryReportEventCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of InventoryReportEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? startDate = null,
+    Object? endDate = null,
+  }) {
+    return _then(_value.copyWith(
+      startDate: null == startDate
+          ? _value.startDate
+          : startDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      endDate: null == endDate
+          ? _value.endDate
+          : endDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$GetImplCopyWith<$Res>
+    implements $InventoryReportEventCopyWith<$Res> {
+  factory _$$GetImplCopyWith(_$GetImpl value, $Res Function(_$GetImpl) then) =
+      __$$GetImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({DateTime startDate, DateTime endDate});
+}
+
+/// @nodoc
+class __$$GetImplCopyWithImpl<$Res>
+    extends _$InventoryReportEventCopyWithImpl<$Res, _$GetImpl>
+    implements _$$GetImplCopyWith<$Res> {
+  __$$GetImplCopyWithImpl(_$GetImpl _value, $Res Function(_$GetImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of InventoryReportEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? startDate = null,
+    Object? endDate = null,
+  }) {
+    return _then(_$GetImpl(
+      startDate: null == startDate
+          ? _value.startDate
+          : startDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      endDate: null == endDate
+          ? _value.endDate
+          : endDate // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$GetImpl implements _Get {
+  const _$GetImpl({required this.startDate, required this.endDate});
+
+  @override
+  final DateTime startDate;
+  @override
+  final DateTime endDate;
+
+  @override
+  String toString() {
+    return 'InventoryReportEvent.get(startDate: $startDate, endDate: $endDate)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$GetImpl &&
+            (identical(other.startDate, startDate) ||
+                other.startDate == startDate) &&
+            (identical(other.endDate, endDate) || other.endDate == endDate));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, startDate, endDate);
+
+  /// Create a copy of InventoryReportEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$GetImplCopyWith<_$GetImpl> get copyWith =>
+      __$$GetImplCopyWithImpl<_$GetImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(DateTime startDate, DateTime endDate) get,
+  }) {
+    return get(startDate, endDate);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(DateTime startDate, DateTime endDate)? get,
+  }) {
+    return get?.call(startDate, endDate);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(DateTime startDate, DateTime endDate)? get,
+    required TResult orElse(),
+  }) {
+    if (get != null) {
+      return get(startDate, endDate);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Get value) get,
+  }) {
+    return get(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Get value)? get,
+  }) {
+    return get?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Get value)? get,
+    required TResult orElse(),
+  }) {
+    if (get != null) {
+      return get(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _Get implements InventoryReportEvent {
+  const factory _Get(
+      {required final DateTime startDate,
+      required final DateTime endDate}) = _$GetImpl;
+
+  @override
+  DateTime get startDate;
+  @override
+  DateTime get endDate;
+
+  /// Create a copy of InventoryReportEvent
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$GetImplCopyWith<_$GetImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+mixin _$InventoryReportState {
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function() initial,
+    required TResult Function() loading,
+    required TResult Function(InventoryAnalyticData data) loaded,
+    required TResult Function(String message) error,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function()? initial,
+    TResult? Function()? loading,
+    TResult? Function(InventoryAnalyticData data)? loaded,
+    TResult? Function(String message)? error,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function()? initial,
+    TResult Function()? loading,
+    TResult Function(InventoryAnalyticData data)? loaded,
+    TResult Function(String message)? error,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Initial value) initial,
+    required TResult Function(_Loading value) loading,
+    required TResult Function(_Loaded value) loaded,
+    required TResult Function(_Error value) error,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Initial value)? initial,
+    TResult? Function(_Loading value)? loading,
+    TResult? Function(_Loaded value)? loaded,
+    TResult? Function(_Error value)? error,
+  }) =>
+      throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Initial value)? initial,
+    TResult Function(_Loading value)? loading,
+    TResult Function(_Loaded value)? loaded,
+    TResult Function(_Error value)? error,
+    required TResult orElse(),
+  }) =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $InventoryReportStateCopyWith<$Res> {
+  factory $InventoryReportStateCopyWith(InventoryReportState value,
+          $Res Function(InventoryReportState) then) =
+      _$InventoryReportStateCopyWithImpl<$Res, InventoryReportState>;
+}
+
+/// @nodoc
+class _$InventoryReportStateCopyWithImpl<$Res,
+        $Val extends InventoryReportState>
+    implements $InventoryReportStateCopyWith<$Res> {
+  _$InventoryReportStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+abstract class _$$InitialImplCopyWith<$Res> {
+  factory _$$InitialImplCopyWith(
+          _$InitialImpl value, $Res Function(_$InitialImpl) then) =
+      __$$InitialImplCopyWithImpl<$Res>;
+}
+
+/// @nodoc
+class __$$InitialImplCopyWithImpl<$Res>
+    extends _$InventoryReportStateCopyWithImpl<$Res, _$InitialImpl>
+    implements _$$InitialImplCopyWith<$Res> {
+  __$$InitialImplCopyWithImpl(
+      _$InitialImpl _value, $Res Function(_$InitialImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+
+class _$InitialImpl implements _Initial {
+  const _$InitialImpl();
+
+  @override
+  String toString() {
+    return 'InventoryReportState.initial()';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType && other is _$InitialImpl);
+  }
+
+  @override
+  int get hashCode => runtimeType.hashCode;
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function() initial,
+    required TResult Function() loading,
+    required TResult Function(InventoryAnalyticData data) loaded,
+    required TResult Function(String message) error,
+  }) {
+    return initial();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function()? initial,
+    TResult? Function()? loading,
+    TResult? Function(InventoryAnalyticData data)? loaded,
+    TResult? Function(String message)? error,
+  }) {
+    return initial?.call();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function()? initial,
+    TResult Function()? loading,
+    TResult Function(InventoryAnalyticData data)? loaded,
+    TResult Function(String message)? error,
+    required TResult orElse(),
+  }) {
+    if (initial != null) {
+      return initial();
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Initial value) initial,
+    required TResult Function(_Loading value) loading,
+    required TResult Function(_Loaded value) loaded,
+    required TResult Function(_Error value) error,
+  }) {
+    return initial(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Initial value)? initial,
+    TResult? Function(_Loading value)? loading,
+    TResult? Function(_Loaded value)? loaded,
+    TResult? Function(_Error value)? error,
+  }) {
+    return initial?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Initial value)? initial,
+    TResult Function(_Loading value)? loading,
+    TResult Function(_Loaded value)? loaded,
+    TResult Function(_Error value)? error,
+    required TResult orElse(),
+  }) {
+    if (initial != null) {
+      return initial(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _Initial implements InventoryReportState {
+  const factory _Initial() = _$InitialImpl;
+}
+
+/// @nodoc
+abstract class _$$LoadingImplCopyWith<$Res> {
+  factory _$$LoadingImplCopyWith(
+          _$LoadingImpl value, $Res Function(_$LoadingImpl) then) =
+      __$$LoadingImplCopyWithImpl<$Res>;
+}
+
+/// @nodoc
+class __$$LoadingImplCopyWithImpl<$Res>
+    extends _$InventoryReportStateCopyWithImpl<$Res, _$LoadingImpl>
+    implements _$$LoadingImplCopyWith<$Res> {
+  __$$LoadingImplCopyWithImpl(
+      _$LoadingImpl _value, $Res Function(_$LoadingImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+
+class _$LoadingImpl implements _Loading {
+  const _$LoadingImpl();
+
+  @override
+  String toString() {
+    return 'InventoryReportState.loading()';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType && other is _$LoadingImpl);
+  }
+
+  @override
+  int get hashCode => runtimeType.hashCode;
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function() initial,
+    required TResult Function() loading,
+    required TResult Function(InventoryAnalyticData data) loaded,
+    required TResult Function(String message) error,
+  }) {
+    return loading();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function()? initial,
+    TResult? Function()? loading,
+    TResult? Function(InventoryAnalyticData data)? loaded,
+    TResult? Function(String message)? error,
+  }) {
+    return loading?.call();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function()? initial,
+    TResult Function()? loading,
+    TResult Function(InventoryAnalyticData data)? loaded,
+    TResult Function(String message)? error,
+    required TResult orElse(),
+  }) {
+    if (loading != null) {
+      return loading();
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Initial value) initial,
+    required TResult Function(_Loading value) loading,
+    required TResult Function(_Loaded value) loaded,
+    required TResult Function(_Error value) error,
+  }) {
+    return loading(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Initial value)? initial,
+    TResult? Function(_Loading value)? loading,
+    TResult? Function(_Loaded value)? loaded,
+    TResult? Function(_Error value)? error,
+  }) {
+    return loading?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Initial value)? initial,
+    TResult Function(_Loading value)? loading,
+    TResult Function(_Loaded value)? loaded,
+    TResult Function(_Error value)? error,
+    required TResult orElse(),
+  }) {
+    if (loading != null) {
+      return loading(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _Loading implements InventoryReportState {
+  const factory _Loading() = _$LoadingImpl;
+}
+
+/// @nodoc
+abstract class _$$LoadedImplCopyWith<$Res> {
+  factory _$$LoadedImplCopyWith(
+          _$LoadedImpl value, $Res Function(_$LoadedImpl) then) =
+      __$$LoadedImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({InventoryAnalyticData data});
+}
+
+/// @nodoc
+class __$$LoadedImplCopyWithImpl<$Res>
+    extends _$InventoryReportStateCopyWithImpl<$Res, _$LoadedImpl>
+    implements _$$LoadedImplCopyWith<$Res> {
+  __$$LoadedImplCopyWithImpl(
+      _$LoadedImpl _value, $Res Function(_$LoadedImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? data = null,
+  }) {
+    return _then(_$LoadedImpl(
+      null == data
+          ? _value.data
+          : data // ignore: cast_nullable_to_non_nullable
+              as InventoryAnalyticData,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$LoadedImpl implements _Loaded {
+  const _$LoadedImpl(this.data);
+
+  @override
+  final InventoryAnalyticData data;
+
+  @override
+  String toString() {
+    return 'InventoryReportState.loaded(data: $data)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$LoadedImpl &&
+            (identical(other.data, data) || other.data == data));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, data);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$LoadedImplCopyWith<_$LoadedImpl> get copyWith =>
+      __$$LoadedImplCopyWithImpl<_$LoadedImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function() initial,
+    required TResult Function() loading,
+    required TResult Function(InventoryAnalyticData data) loaded,
+    required TResult Function(String message) error,
+  }) {
+    return loaded(data);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function()? initial,
+    TResult? Function()? loading,
+    TResult? Function(InventoryAnalyticData data)? loaded,
+    TResult? Function(String message)? error,
+  }) {
+    return loaded?.call(data);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function()? initial,
+    TResult Function()? loading,
+    TResult Function(InventoryAnalyticData data)? loaded,
+    TResult Function(String message)? error,
+    required TResult orElse(),
+  }) {
+    if (loaded != null) {
+      return loaded(data);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Initial value) initial,
+    required TResult Function(_Loading value) loading,
+    required TResult Function(_Loaded value) loaded,
+    required TResult Function(_Error value) error,
+  }) {
+    return loaded(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Initial value)? initial,
+    TResult? Function(_Loading value)? loading,
+    TResult? Function(_Loaded value)? loaded,
+    TResult? Function(_Error value)? error,
+  }) {
+    return loaded?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Initial value)? initial,
+    TResult Function(_Loading value)? loading,
+    TResult Function(_Loaded value)? loaded,
+    TResult Function(_Error value)? error,
+    required TResult orElse(),
+  }) {
+    if (loaded != null) {
+      return loaded(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _Loaded implements InventoryReportState {
+  const factory _Loaded(final InventoryAnalyticData data) = _$LoadedImpl;
+
+  InventoryAnalyticData get data;
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$LoadedImplCopyWith<_$LoadedImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class _$$ErrorImplCopyWith<$Res> {
+  factory _$$ErrorImplCopyWith(
+          _$ErrorImpl value, $Res Function(_$ErrorImpl) then) =
+      __$$ErrorImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({String message});
+}
+
+/// @nodoc
+class __$$ErrorImplCopyWithImpl<$Res>
+    extends _$InventoryReportStateCopyWithImpl<$Res, _$ErrorImpl>
+    implements _$$ErrorImplCopyWith<$Res> {
+  __$$ErrorImplCopyWithImpl(
+      _$ErrorImpl _value, $Res Function(_$ErrorImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? message = null,
+  }) {
+    return _then(_$ErrorImpl(
+      null == message
+          ? _value.message
+          : message // ignore: cast_nullable_to_non_nullable
+              as String,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$ErrorImpl implements _Error {
+  const _$ErrorImpl(this.message);
+
+  @override
+  final String message;
+
+  @override
+  String toString() {
+    return 'InventoryReportState.error(message: $message)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$ErrorImpl &&
+            (identical(other.message, message) || other.message == message));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, message);
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$ErrorImplCopyWith<_$ErrorImpl> get copyWith =>
+      __$$ErrorImplCopyWithImpl<_$ErrorImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function() initial,
+    required TResult Function() loading,
+    required TResult Function(InventoryAnalyticData data) loaded,
+    required TResult Function(String message) error,
+  }) {
+    return error(message);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function()? initial,
+    TResult? Function()? loading,
+    TResult? Function(InventoryAnalyticData data)? loaded,
+    TResult? Function(String message)? error,
+  }) {
+    return error?.call(message);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function()? initial,
+    TResult Function()? loading,
+    TResult Function(InventoryAnalyticData data)? loaded,
+    TResult Function(String message)? error,
+    required TResult orElse(),
+  }) {
+    if (error != null) {
+      return error(message);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(_Initial value) initial,
+    required TResult Function(_Loading value) loading,
+    required TResult Function(_Loaded value) loaded,
+    required TResult Function(_Error value) error,
+  }) {
+    return error(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(_Initial value)? initial,
+    TResult? Function(_Loading value)? loading,
+    TResult? Function(_Loaded value)? loaded,
+    TResult? Function(_Error value)? error,
+  }) {
+    return error?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(_Initial value)? initial,
+    TResult Function(_Loading value)? loading,
+    TResult Function(_Loaded value)? loaded,
+    TResult Function(_Error value)? error,
+    required TResult orElse(),
+  }) {
+    if (error != null) {
+      return error(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class _Error implements InventoryReportState {
+  const factory _Error(final String message) = _$ErrorImpl;
+
+  String get message;
+
+  /// Create a copy of InventoryReportState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$ErrorImplCopyWith<_$ErrorImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/presentation/report/blocs/inventory_report/inventory_report_event.dart

@@ -0,0 +1,9 @@
+part of 'inventory_report_bloc.dart';
+
+@freezed
+class InventoryReportEvent with _$InventoryReportEvent {
+  const factory InventoryReportEvent.get({
+    required DateTime startDate,
+    required DateTime endDate,
+  }) = _Get;
+}

lib/presentation/report/blocs/inventory_report/inventory_report_state.dart

@@ -0,0 +1,10 @@
+part of 'inventory_report_bloc.dart';
+
+@freezed
+class InventoryReportState with _$InventoryReportState {
+  const factory InventoryReportState.initial() = _Initial;
+  const factory InventoryReportState.loading() = _Loading;
+  const factory InventoryReportState.loaded(InventoryAnalyticData data) =
+      _Loaded;
+  const factory InventoryReportState.error(String message) = _Error;
+}