feat: create ui for side menu screen (#62)

- Update current page thru Presenter

Author: markgravity

lib/modules/home/components/body.dart

@@ -56,12 +56,12 @@ class Body extends StatelessWidget {
                                     survey: surveys[index],
                                   ),
                                   options: CarouselOptions(
-                                    viewportFraction: 1,
-                                    initialPage: state._currentPage.value,
-                                    height: double.infinity,
-                                    onPageChanged: (index, _) =>
-                                        state._currentPage.add(index),
-                                  ),
+                                      viewportFraction: 1,
+                                      initialPage: state._currentPage.value,
+                                      height: double.infinity,
+                                      onPageChanged: (index, _) => state
+                                          .delegate?.currentPageDidChange
+                                          .add(index)),
                                 )
                               : SlideItem.empty();
                         },

lib/modules/home/home_presenter.dart

@@ -10,6 +10,7 @@ class HomePresenterImpl extends HomePresenter
     showDetailButtonDidTap.listen(_showDetailButtonDidTap).addTo(disposeBag);
     didSwipeDown.voidListen(_didSwipeDown).addTo(disposeBag);
     userAvatarDidTap.voidListen(_userAvatarDidTap).addTo(disposeBag);
+    currentPageDidChange.listen(_currentPageDidChange).addTo(disposeBag);
 
     surveysDidFetchFromCached
         .listen(_surveysDidFetchFromCached)
@@ -65,6 +66,9 @@ class HomePresenterImpl extends HomePresenter
   @override
   final authenticatedUserDidGet = BehaviorSubject<UserInfo>();
 
+  @override
+  final currentPageDidChange = BehaviorSubject<int>();
+
   void _stateDidInit() {
     interactor.fetchSurveysFromCached();
     interactor.getAuthenticatedUser();
@@ -120,4 +124,8 @@ class HomePresenterImpl extends HomePresenter
   void _userAvatarDidTap() {
     view.showSideMenu();
   }
+
+  void _currentPageDidChange(int page) {
+    view.setCurrentPage(page);
+  }
 }

lib/modules/home/home_view.dart

@@ -12,6 +12,8 @@ abstract class HomeViewDelegate implements AlertViewMixinDelegate {
   BehaviorSubject<void> get sideMenuDidShow;
 
   BehaviorSubject<void> get sideMenuDidDismiss;
+
+  BehaviorSubject<int> get currentPageDidChange;
 }
 
 abstract class HomeView extends View<HomeViewDelegate>
@@ -44,6 +46,8 @@ abstract class HomeView extends View<HomeViewDelegate>
   void showSideMenu();
 
   void setUserInteractionEnable({required bool isEnabled});
+
+  void setCurrentPage(int page);
 }
 
 class HomeViewImpl extends StatefulWidget {
@@ -130,4 +134,9 @@ class _HomeViewImplState
   void setUserInteractionEnable({required bool isEnabled}) {
     _isUserInteractionEnabled.add(isEnabled);
   }
+
+  @override
+  void setCurrentPage(int page) {
+    _currentPage.add(page);
+  }
 }