feat : Searchkeyword flow로 변경하여 debounce 통해 쿼리 쏘기

Author: koreatlwls

presentation/src/main/java/com/stop/ui/placesearch/PlaceSearchFragment.kt

@@ -17,6 +17,10 @@ import androidx.navigation.findNavController
 import com.stop.R
 import com.stop.databinding.FragmentPlaceSearchBinding
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 
 @AndroidEntryPoint
@@ -46,6 +50,7 @@ class PlaceSearchFragment : Fragment() {
         initBinding()
         listenEditTextChange()
         logErrorMessage()
+        observeSearchKeyword()
     }
 
     private fun initAdapter() {
@@ -118,6 +123,19 @@ class PlaceSearchFragment : Fragment() {
         }
     }
 
+    @OptIn(FlowPreview::class)
+    private fun observeSearchKeyword(){
+        placeSearchViewModel.searchKeyword.debounce(100)
+            .onEach {
+                if(it.isBlank()){
+                    placeSearchViewModel.setNearPlaceListEmpty()
+                }else{
+                    placeSearchViewModel.getNearPlaces(it)
+                }
+            }
+            .launchIn(lifecycleScope)
+    }
+
     override fun onDestroyView() {
         _binding = null
 

presentation/src/main/java/com/stop/ui/placesearch/PlaceSearchViewModel.kt

@@ -37,31 +37,24 @@ class PlaceSearchViewModel @Inject constructor(
     private val clickCurrentLocationChannel = Channel<Boolean>()
     val clickCurrentLocation = clickCurrentLocationChannel.receiveAsFlow()
 
-    fun afterTextChanged(s: Editable?) {
-        getNearPlaces(
-            s.toString(),
-            currentLocation.longitude,
-            currentLocation.latitude
-        )
+    private val _searchKeyword = MutableStateFlow("")
+    val searchKeyword : StateFlow<String> = _searchKeyword
 
-        if (s.toString().isBlank()) {
-            setNearPlaceListEmpty()
-        }
+    fun afterTextChanged(s: Editable?) {
+        _searchKeyword.value = s.toString()
     }
 
-    private fun getNearPlaces(
+    fun getNearPlaces(
         searchKeyword: String,
-        centerLon: Double,
-        centerLat: Double
     ) {
         viewModelScope.launch {
             try {
                 _nearPlaceList.emit(
                     getNearPlacesUseCase.getNearPlaces(
                         TMAP_VERSION,
                         searchKeyword,
-                        centerLon,
-                        centerLat,
+                        currentLocation.longitude,
+                        currentLocation.latitude,
                         BuildConfig.TMAP_APP_KEY
                     )
                 )