feat: diary add modal and error dialogs

lib/features/diary/entities/diary_day_entity.dart

@@ -18,5 +18,8 @@ abstract class DiaryDayEntity with _$DiaryDayEntity {
     @JsonKey(name: "day_of_chosen_diet") required int? dayOfChosenDiet,
     @JsonKey(name: "chosen_diet", fromJson: parseDiet) required DiaryDietModel? diet,
   }) = _DiaryDayEntity;
-  
+
+  const DiaryDayEntity._();
+
+  bool get hasProducts => meals.any((meal) => meal.portions.isNotEmpty);
 }

lib/features/diary/presentation/pages/diary_screen.dart

@@ -127,6 +127,7 @@ class _DiaryScreenContentState extends State<DiaryScreenContent> {
                       child: _isDiaryFinishing
                           ? const Center(child: Loader())
                           : FinishDayButtonWidget(
+                              hasProducts: state.diary.hasProducts,
                               onPressed: () async {
                                 setState(() {
                                   _isDiaryFinishing = true;

lib/features/diary/presentation/widgets/finish_day_button_widget.dart

@@ -1,20 +1,89 @@
+import 'package:eatvio_app/core/theme/custom_text_style.dart';
 import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_handler_bar.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_with_blur.dart';
+import 'package:eatvio_app/core/widgets/custom_outlined_button.dart';
+import 'package:eatvio_app/core/widgets/show_error_dialog.dart';
 import 'package:flutter/material.dart';
 
 class FinishDayButtonWidget extends StatefulWidget {
   final Future<void> Function() onPressed;
+  final bool hasProducts;
 
-  const FinishDayButtonWidget({super.key, required this.onPressed});
+  const FinishDayButtonWidget({super.key, required this.onPressed, required this.hasProducts});
 
   @override
   State<FinishDayButtonWidget> createState() => _FinishDayButtonWidgetState();
 }
 
 class _FinishDayButtonWidgetState extends State<FinishDayButtonWidget> {
+  void _onTap() {
+    if (!widget.hasProducts) {
+      showErrorDialog(
+        context,
+        title: 'Не добавлено продуктов',
+        description: 'Добавьте хотя бы один продукт в любой из приёмов пищи, чтобы закончить день.',
+      );
+      return;
+    }
+    _showConfirmationBottomSheet();
+  }
+
+  void _showConfirmationBottomSheet() {
+    showBottomSheetWithBlur(
+      context: context,
+      height: null,
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 12.0),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            const SizedBox(height: 8),
+            const BottomSheetHandlerBar(),
+            const SizedBox(height: 20),
+            Text('Закончить день', style: TextStyles.headingXLSemibold.copyWith(color: appTheme.black)),
+            const SizedBox(height: 16),
+            Text(
+              'После завершения дня, его уже нельзя будет отредактировать',
+              style: TextStyles.textSMedium.copyWith(color: appTheme.black),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 16),
+            CustomOutlinedButton(
+              text: 'Закончить',
+              height: 52,
+              buttonTextStyle: TextStyles.textMSemibold.copyWith(color: appTheme.whiteA700),
+              buttonStyle: ButtonStyle(
+                side: const WidgetStatePropertyAll(BorderSide.none),
+                backgroundColor: WidgetStatePropertyAll(appTheme.blueA400),
+              ),
+              onPressed: () async {
+                Navigator.of(context).pop();
+                await widget.onPressed();
+              },
+            ),
+            const SizedBox(height: 8),
+            CustomOutlinedButton(
+              text: 'Отмена',
+              height: 52,
+              buttonTextStyle: TextStyles.textMSemibold.copyWith(color: appTheme.black),
+              buttonStyle: const ButtonStyle(
+                side: WidgetStatePropertyAll(BorderSide.none),
+                backgroundColor: WidgetStatePropertyAll(Color(0xFFEAEAEA)),
+              ),
+              onPressed: () => Navigator.of(context).pop(),
+            ),
+            const SizedBox(height: 40),
+          ],
+        ),
+      ),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     return InkWell(
-      onTap: widget.onPressed,
+      onTap: _onTap,
       borderRadius: BorderRadius.circular(20),
       child: Ink(
         padding: const EdgeInsets.symmetric(horizontal: 8),

test/features/diary/presentation/widgets/basic_widget_test.dart

@@ -220,7 +220,7 @@ void main() {
 
     testWidgets('should display FinishDayButtonWidget', (WidgetTester tester) async {
       // Arrange
-      final widget = FinishDayButtonWidget(onPressed: () async {});
+      final widget = FinishDayButtonWidget(onPressed: () async {}, hasProducts: true);
 
       // Act
       await tester.pumpWidget(createTestWidget(widget));
@@ -234,7 +234,7 @@ void main() {
       // Arrange
       diaryCubit.emit(DiaryState.loaded(diary: testDiaryEntity, nutrition: testNutrition, selectedDay: DateTime(2024, 1, 15), selectedMeal: 1));
 
-      final widget = FinishDayButtonWidget(onPressed: () async {});
+      final widget = FinishDayButtonWidget(onPressed: () async {}, hasProducts: true);
 
       await tester.pumpWidget(createTestWidget(widget));
       await tester.pumpAndSettle();

test/features/diary/presentation/widgets/finish_day_button_widget_test.dart

@@ -13,7 +13,7 @@ void main() {
     }
 
     testWidgets('renders finish day button widget', (tester) async {
-      await tester.pumpWidget(wrap(FinishDayButtonWidget(onPressed: () async {})));
+      await tester.pumpWidget(wrap(FinishDayButtonWidget(onPressed: () async {}, hasProducts: true)));
       await tester.pump();
 
       expect(find.byType(FinishDayButtonWidget), findsOneWidget);