feat: Implement items details

lib/logic/courierformcubit.dart

@@ -9,20 +9,20 @@ class CourierFormCubit extends FormCubit {
     required this.cubit,
   }) {
     name = FieldCubit(
-      initalValue: 'Имя',
+      initalValue: 'Иван',
       validations: [
         RequiredStringValidation('Поле обязательно'),
       ],
     );
     surname = FieldCubit(
-      initalValue: 'Фамилия',
+      initalValue: 'Иванов',
       validations: [
         RequiredStringValidation('Поле обязательно'),
       ],
     );
 
     phone = FieldCubit(
-      initalValue: 'Телефон',
+      initalValue: '88005553535',
       validations: [
         RequiredStringValidation('Поле обязательно'),
       ],

lib/logic/itemformcubit.dart

@@ -0,0 +1,60 @@
+import 'dart:async';
+
+import 'package:cubit_form/cubit_form.dart';
+import 'package:selfprivacy/logic/itemscubit.dart';
+import 'package:selfprivacy/models/item.dart';
+
+class ItemFormCubit extends FormCubit {
+  ItemFormCubit({
+    required this.cubit,
+  }) {
+    title = FieldCubit(
+      initalValue: 'Товар',
+      validations: [
+        RequiredStringValidation('Поле обязательно'),
+      ],
+    );
+    description = FieldCubit(
+      initalValue: '   ',
+      validations: [
+        RequiredStringValidation('Поле обязательно'),
+      ],
+    );
+
+    price = FieldCubit(
+      initalValue: 100,
+    );
+
+    quantity = FieldCubit(
+      initalValue: 1,
+    );
+
+    super.addFields([title, description, price, quantity]);
+  }
+
+  @override
+  FutureOr<void> onSubmit() {
+    print('onSubmit');
+    print('title: ${title.state.value}');
+    print('description: ${description.state.value}');
+    print('price: ${price.state.value}');
+    print('quantity: ${quantity.state.value}');
+
+    final Item item = Item(
+      title: title.state.value,
+      description: description.state.value,
+      price: price.state.value,
+      quantity: quantity.state.value,
+      id: cubit.state.items.isEmpty ? 0 : cubit.state.items.last.id + 1,
+    );
+
+    cubit.create(item);
+  }
+
+  late FieldCubit<String> title;
+  late FieldCubit<String> description;
+  late FieldCubit<int> price;
+  late FieldCubit<int> quantity;
+
+  final ItemsCubit cubit;
+}

lib/ui/itemsdetails.dart

@@ -0,0 +1,88 @@
+part of 'itemspage.dart';
+
+class ItemsDetails extends StatelessWidget {
+  const ItemsDetails({super.key});
+
+  @override
+  Widget build(final BuildContext context) => BrandBottomSheet(
+        child: BlocProvider(
+          create: (final BuildContext context) => ItemFormCubit(
+            cubit: context.read<ItemsCubit>(),
+          ),
+          child: Builder(
+            builder: (final BuildContext context) =>
+                BlocListener<ItemFormCubit, FormCubitState>(
+              listener:
+                  (final BuildContext context, final FormCubitState state) {
+                if (state.isSubmitted) {
+                  Navigator.pop(context);
+                }
+              },
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  AppBar(
+                    title: const Padding(
+                      padding: EdgeInsets.only(top: 4.0),
+                      child: Text('Новый товар!'),
+                    ),
+                  ),
+                  const SizedBox(width: 14),
+                  Padding(
+                    padding: const EdgeInsets.symmetric(horizontal: 15),
+                    child: Column(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        const SizedBox(width: 14),
+                        IntrinsicHeight(
+                          child: CubitFormTextField(
+                            formFieldCubit: context.read<ItemFormCubit>().title,
+                            decoration: const InputDecoration(
+                              labelText: 'Название',
+                            ),
+                          ),
+                        ),
+                        const SizedBox(height: 20),
+                        CubitFormTextField(
+                          formFieldCubit:
+                              context.read<ItemFormCubit>().description,
+                          decoration: const InputDecoration(
+                            alignLabelWithHint: false,
+                            labelText: 'Описание',
+                          ),
+                        ),
+                        const SizedBox(height: 20),
+                        CubitFormIntField(
+                          formFieldCubit: context.read<ItemFormCubit>().price,
+                          decoration: const InputDecoration(
+                            alignLabelWithHint: false,
+                            labelText: 'Цена',
+                          ),
+                        ),
+                        const SizedBox(height: 20),
+                        CubitFormIntField(
+                          formFieldCubit:
+                              context.read<ItemFormCubit>().quantity,
+                          decoration: const InputDecoration(
+                            alignLabelWithHint: false,
+                            labelText: 'Количество',
+                          ),
+                        ),
+                        const SizedBox(height: 30),
+                        FilledButton(
+                          onPressed: () =>
+                              context.read<ItemFormCubit>().trySubmit(),
+                          title: 'Создать',
+                        ),
+                        const SizedBox(height: 40),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      );
+}

lib/ui/itemspage.dart

@@ -4,6 +4,7 @@ import 'package:selfprivacy/logic/itemscubit.dart';
 import 'package:selfprivacy/models/item.dart';
 
 part 'item.dart';
+part 'itemsdetails.dart';
 
 class ItemsPage extends StatelessWidget {
   const ItemsPage({super.key});