refactor: usecase operator invoke 활용

Author: DoTheBestMayB

domain/src/main/java/com/stop/domain/usecase/route/GetLastTransportTimeUseCaseImpl.kt

@@ -20,7 +20,7 @@ internal class GetLastTransportTimeUseCaseImpl @Inject constructor(
 
     private val allowedSubwayLineForUse = (SUBWAY_LINE_ONE..SUBWAY_LINE_EIGHT)
 
-    override suspend fun invoke(itinerary: Itinerary): List<String?> {
+    override suspend operator fun invoke(itinerary: Itinerary): List<String?> {
         var transportIdRequests: List<TransportIdRequest?> = createTransportIdRequests(itinerary)
         transportIdRequests = convertStationId(transportIdRequests)
         transportIdRequests = convertRouteId(transportIdRequests)

domain/src/main/java/com/stop/domain/usecase/route/GetRouteUseCase.kt

@@ -5,5 +5,5 @@ import com.stop.domain.model.route.tmap.RouteRequest
 
 interface GetRouteUseCase {
 
-    suspend fun invoke(routeRequest: RouteRequest): List<Itinerary>
+    suspend operator fun invoke(routeRequest: RouteRequest): List<Itinerary>
 }

domain/src/main/java/com/stop/domain/usecase/route/GetRouteUseCaseImpl.kt

@@ -10,7 +10,7 @@ internal class GetRouteUseCaseImpl @Inject constructor(
     private val routeRepository: RouteRepository
 ) : GetRouteUseCase {
 
-    override suspend fun invoke(routeRequest: RouteRequest): List<Itinerary> {
+    override suspend operator fun invoke(routeRequest: RouteRequest): List<Itinerary> {
         val originItineraries = routeRepository.getRoute(routeRequest)
 
         return originItineraries.fold(listOf()) itinerary@{ itineraries, itinerary ->

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

@@ -63,16 +63,14 @@ class RouteViewModel @Inject constructor(
         )
 
         viewModelScope.launch(Dispatchers.IO) {
-            _routeResponse.postValue(getRouteUseCase.invoke(routeRequest))
+            this@RouteViewModel._routeResponse.postValue(getRouteUseCase(routeRequest))
         }
     }
 
     fun calculateLastTransportTime(itinerary: Itinerary) {
         checkClickedItinerary(itinerary)
         viewModelScope.launch(Dispatchers.IO) {
-            val lastTimeInfo = getLastTransportTimeUseCase(itinerary)
-
-            _lastTimeResponse.postValue(lastTimeInfo)
+            this@RouteViewModel._lastTimeResponse.postValue(getLastTransportTimeUseCase(itinerary))
         }
     }