feat: 간단하게 막차 데이터와 경로 데이터 상세 경로 화면에 표시하기

Author: DoTheBestMayB

presentation/src/main/java/com/stop/ui/route/RouteFragment.kt

@@ -6,7 +6,8 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
-import androidx.fragment.app.viewModels
+import androidx.fragment.app.activityViewModels
+import androidx.navigation.findNavController
 import com.stop.R
 import com.stop.databinding.FragmentRouteBinding
 import com.stop.domain.model.route.tmap.custom.Itinerary
@@ -22,7 +23,8 @@ class RouteFragment : Fragment() {
     private val binding: FragmentRouteBinding
         get() = _binding!!
 
-    private val viewModel: RouteViewModel by viewModels()
+    private val viewModel: RouteViewModel by activityViewModels()
+
     private lateinit var adapter: RouteAdapter
 
     override fun onCreateView(
@@ -78,6 +80,10 @@ class RouteFragment : Fragment() {
                 Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
             }
         }
+
+        viewModel.lastTimeResponse.observe(viewLifecycleOwner) {
+            binding.root.findNavController().navigate(R.id.action_routeFragment_to_routeDetailFragment)
+        }
     }
 
     private fun setStartAndDestinationText() {

presentation/src/main/java/com/stop/ui/route/RouteViewModel.kt

@@ -22,6 +22,8 @@ class RouteViewModel @Inject constructor(
     private val getLastTransportTimeUseCase: GetLastTransportTimeUseCase,
 ) : ViewModel() {
 
+    var clickedItineraryIndex: Int = -1
+
     private val _origin = MutableLiveData<Place>()
     val origin: LiveData<Place>
         get() = _origin
@@ -66,18 +68,32 @@ class RouteViewModel @Inject constructor(
     }
 
     fun calculateLastTransportTime(itinerary: Itinerary) {
+        checkClickedItinerary(itinerary)
         viewModelScope.launch(Dispatchers.IO) {
             val lastTimeInfo = getLastTransportTimeUseCase(itinerary)
 
             _lastTimeResponse.postValue(lastTimeInfo)
         }
     }
 
+    private fun checkClickedItinerary(itinerary: Itinerary) {
+        clickedItineraryIndex = _routeResponse.value?.indexOf(itinerary) ?: -1
+    }
+
     fun setOrigin(place: Place) {
         _origin.value = place
     }
 
     fun setDestination(place: Place) {
         _destination.value = place
     }
+
+    fun getResult(): String {
+        val clickedItinerary = _routeResponse.value?.get(clickedItineraryIndex) ?: return "함수를 잘못 호출했습니다."
+        val lastTimes = _lastTimeResponse.value ?: return "이 함수를 호출한 시점에 막차 데이터가 null인 논리적 오류가 발생했습니다."
+
+        return clickedItinerary.routes.mapIndexed { index, route ->
+            "${route.start.name}(${lastTimes[index]})"
+        }.joinToString(" -> ")
+    }
 }

presentation/src/main/java/com/stop/ui/routedetail/RouteDetailFragment.kt

@@ -5,12 +5,19 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.activityViewModels
 import com.stop.databinding.FragmentRouteDetailBinding
+import com.stop.ui.route.RouteViewModel
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class RouteDetailFragment : Fragment() {
+
     private var _binding: FragmentRouteDetailBinding? = null
     private val binding get() = _binding!!
 
+    private val parentViewModel: RouteViewModel by activityViewModels()
+
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
@@ -28,7 +35,8 @@ class RouteDetailFragment : Fragment() {
     }
 
     private fun initBinding() {
-
+        binding.lifecycleOwner = viewLifecycleOwner
+        binding.parentViewModel = parentViewModel
     }
 
     private fun initView() {

presentation/src/main/res/layout/fragment_route_detail.xml

@@ -1,8 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+        <variable
+            name="parentViewModel"
+            type="com.stop.ui.route.RouteViewModel" />
+    </data>
 
-</FrameLayout>
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+
+        <TextView
+            android:id="@+id/text_view_result"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{parentViewModel.getResult()}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>