✨ 실시간 Polyline 필터링 시 5m 이하의 값 필터링 적용

boostcampwm2023 · Dec 13, 2023 · ab477a0 · ab477a0
1 parent f8d9de9
commit ab477a0
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/iOS/Features/Home/Sources/NavigateMap/Presentation/Common/MapViewController.swift b/iOS/Features/Home/Sources/NavigateMap/Presentation/Common/MapViewController.swift
@@ -323,8 +323,9 @@ extension MapViewController: CLLocationManagerDelegate {
         let coordinate2D = CLLocationCoordinate2D(latitude: newCurrentLocation.coordinate.latitude,
                                                   longitude: newCurrentLocation.coordinate.longitude)
         recordJourneyViewModel.trigger(.fiveLocationsDidRecorded(coordinate2D))
+
+        // filtering된 위치 정보가 있을 경우(5개의 위치 데이터가 들어와 필터링이 완료되었을 경우)에만 아래 두 trigger 실행 가능
         guard let filteredCoordinate2D = recordJourneyViewModel.state.filteredCoordinate.value else { return }
-        dump(filteredCoordinate2D)
         recordJourneyViewModel.trigger(.locationDidUpdated(filteredCoordinate2D))
         recordJourneyViewModel.trigger(.locationsShouldRecorded([filteredCoordinate2D]))
     }

diff --git a/...Features/Home/Sources/NavigateMap/Presentation/RecordJourney/RecordJourneyViewModel.swift b/...Features/Home/Sources/NavigateMap/Presentation/RecordJourney/RecordJourneyViewModel.swift
@@ -57,10 +57,14 @@ public final class RecordJourneyViewModel: MapViewModel {
             #if DEBUG
             MSLogger.make(category: .home).debug("View Did load.")
             #endif
+
+        /// 이전 currentCoordinate를 previousCoordinate에, 저장할 현재 위치를 currentCoordinate에 update
         case .locationDidUpdated(let coordinate):
             let previousCoordinate = self.state.currentCoordinate.value
             self.state.previousCoordinate.send(previousCoordinate)
             self.state.currentCoordinate.send(coordinate)
+
+        /// 저장하고 자 하는 위치 데이터를 서버에 전송
         case .locationsShouldRecorded(let coordinates):
             Task {
                 let recordingJourney = self.state.recordingJourney.value
@@ -75,6 +79,7 @@ public final class RecordJourneyViewModel: MapViewModel {
                     MSLogger.make(category: .home).error("\(error)")
                 }
             }
+        /// 기록 중에 여정 기록을 취소
         case .recordingDidCancelled:
             Task {
                 guard let userID = self.userRepository.fetchUUID() else { return }
@@ -90,6 +95,7 @@ public final class RecordJourneyViewModel: MapViewModel {
                     MSLogger.make(category: .home).error("\(error)")
                 }
             }
+        /// 업데이트되는 위치 정보를 받아와 5개가 될 경우 평균값 필터링 후 저장하는 로직
         case .fiveLocationsDidRecorded(let coordinate):
             self.filterLongestCoordinate(coordinate: coordinate)
         }
@@ -109,7 +115,11 @@ private extension RecordJourneyViewModel {
     }
 
     func filterLongestCoordinate(coordinate: CLLocationCoordinate2D) {
-
+        if let previousCoordinate = self.state.previousCoordinate.value {
+            if calculateDistance(from: previousCoordinate, to: coordinate) <= 5 {
+                return
+            }
+        }
         var recordedCoords = self.state.recordedCoordinates.value
         recordedCoords.append(coordinate)
         self.state.recordedCoordinates.send(recordedCoords)