refactor(diary): Revenge of the Refactoring

lib/presentation/registration/weight_screen/weight_screen.dart

@@ -77,11 +77,7 @@ class _WeightScreenState extends State<WeightScreen> {
                                         width: 12.adaptSize)),
                                 hintText: "Не выбрано",
                                 items: weightModelObj?.dropdownItemList ?? [],
-                                onChanged: (value) {
-                                  context
-                                      .read<WeightBloc>()
-                                      .add(ChangeDropDownEvent(value: value));
-                                });
+                                onChanged: _onDropDownChanged);
                           })
                     ])
                   ]),
@@ -93,29 +89,19 @@ class _WeightScreenState extends State<WeightScreen> {
                         margin: EdgeInsets.only(
                             left: 16.h, right: 16.h, bottom: 50.v),
                         buttonStyle: CustomButtonStyles.outlinePrimaryTL15,
-                        onPressed: () {
-                          UserRegistrationSheet sheet =
-                              state.weightModelObj!.userRegistrationSheet;
-                          Navigator.pushNamed(
-                            context,
-                            AppRoutes.heightScreen,
-                            arguments: sheet,
-                          );
-                        });
+                        onPressed: onTapNext(context, state));
                   }),
                 ]))));
   }
 
   /// Section Widget
-  PreferredSizeWidget _buildAppBar(BuildContext context) {
+  _buildAppBar(BuildContext context) {
     return CustomAppBar(
         leadingWidth: 29.h,
         leading: AppbarLeadingImage(
             imagePath: ImageConstant.imgArrowLeft,
             margin: EdgeInsets.only(left: 16.h, top: 15.v, bottom: 15.v),
-            onTap: () {
-              onTapArrowLeft(context);
-            }),
+            onTap: onTapArrowLeft(context)),
         centerTitle: true,
         title: AppbarTitleImage(imagePath: ImageConstant.imgLogoEatvio));
   }
@@ -125,10 +111,23 @@ class _WeightScreenState extends State<WeightScreen> {
     NavigatorService.goBack();
   }
 
+  onTapNext(BuildContext context, state) {
+    UserRegistrationSheet sheet = state.weightModelObj!.userRegistrationSheet;
+    Navigator.pushNamed(
+      context,
+      AppRoutes.heightScreen,
+      arguments: sheet,
+    );
+  }
+
   /// Navigates to the allergiesScreen when the action is triggered.
   navigateToHeight(BuildContext context) {
     NavigatorService.pushNamed(
       AppRoutes.heightScreen,
     );
   }
+
+  void _onDropDownChanged(value) {
+    context.read<WeightBloc>().add(ChangeDropDownEvent(value: value));
+  }
 }