LiveLocationSharingViewer: Handle screen refresh, empty state, stop sharing.

2026-04-30 13:16:58 +02:00 · 2022-05-03 15:57:36 +02:00
parent a07622f227
commit beb2e8ee80
4 changed files with 66 additions and 12 deletions
@@ -29,9 +29,11 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType

    // MARK: Private

-    private let liveLocationSharingViewerService: LiveLocationSharingViewerServiceProtocol
+    private var liveLocationSharingViewerService: LiveLocationSharingViewerServiceProtocol
    
    private var mapViewErrorAlertInfoBuilder: MapViewErrorAlertInfoBuilder
+    
+    private var screenUpdateTimer: Timer?

    // MARK: Public

@@ -53,7 +55,8 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType
            self.processError(error)
        }.store(in: &cancellables)
        
-        self.update(with: service.usersLiveLocation)
+        self.setupLocationSharingService()
+        self.setupScreenUpdateTimer()
    }
    
    // MARK: - Public
@@ -63,7 +66,7 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType
        case .done:
            completion?(.done)
        case .stopSharing:
-            completion?(.stopLocationSharing)
+            stopUserLocationSharing()
        case .tapListItem(let userId):
            self.highlighAnnotation(with: userId)
        case .share(let userLocationAnnotation):
@@ -73,6 +76,34 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType
    
    // MARK: - Private
    
+    private func setupLocationSharingService() {
+        self.updateUsersLiveLocation(highlightFirstLocation: true)
+        
+        liveLocationSharingViewerService.didUpdateUsersLiveLocation = { [weak self] liveLocations in
+            self?.update(with: liveLocations, highlightFirstLocation: false)
+        }
+        self.liveLocationSharingViewerService.startListenningLiveLocationUpdates()
+    }
+    
+    private func updateUsersLiveLocation(highlightFirstLocation: Bool) {
+        self.update(with: liveLocationSharingViewerService.usersLiveLocation, highlightFirstLocation: highlightFirstLocation)
+    }
+    
+    private func setupScreenUpdateTimer() {
+        self.screenUpdateTimer =  Timer.scheduledTimer(withTimeInterval: 30, repeats: true) { [weak self] timer in
+            
+            self?.updateUsersLiveLocation(highlightFirstLocation: false)
+        }
+    }
+    
+    private func showNoUserLocationsAlert() {
+        let alertInfo: AlertInfo<LocationSharingAlertType> = AlertInfo(id: .userLocatingError, title: VectorL10n.locationSharingLiveNoUserLocationsErrorTitle, primaryButton:(VectorL10n.ok, { [weak self] in
+            self?.completion?(.done)
+        }))
+        
+        state.bindings.alertInfo = alertInfo
+    }
+    
    private func processError(_ error: LocationSharingViewError) {
        guard state.bindings.alertInfo == nil else {
            return
@@ -154,17 +185,27 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType
        return LiveLocationListItemViewData(userId: userLiveLocation.userId, isCurrentUser: isCurrentUser, avatarData: userLiveLocation.avatarData, displayName: userLiveLocation.displayName, expirationDate: expirationDate, lastUpdate: userLiveLocation.lastUpdate)
    }
    
-    private func update(with usersLiveLocation: [UserLiveLocation]) {
+    private func update(with usersLiveLocation: [UserLiveLocation], highlightFirstLocation: Bool) {
        
        let annotations: [UserLocationAnnotation] = self.userLocationAnnotations(from: usersLiveLocation)
        
-        let highlightedAnnotation = self.getHighlightedAnnotation(from: annotations)
+        var highlightedAnnotation: UserLocationAnnotation?
+        
+        if highlightFirstLocation {
+            highlightedAnnotation = self.getHighlightedAnnotation(from: annotations)
+        }
        
        let listViewItems = self.listItemsViewData(from: usersLiveLocation)
        
        self.state.annotations = annotations
        self.state.highlightedAnnotation = highlightedAnnotation
        self.state.listItemsViewData = listViewItems
+        
+        if usersLiveLocation.isEmpty {
+            // Advertize user that there is no locations
+            // Avoid to let the screen empty
+            self.showNoUserLocationsAlert()
+        }
    }
    
    private func highlighAnnotation(with userId: String) {
@@ -178,4 +219,23 @@ class LiveLocationSharingViewerViewModel: LiveLocationSharingViewerViewModelType
        
        self.state.highlightedAnnotation = foundUserAnnotation
    }
+    
+    private func stopUserLocationSharing() {
+        
+        self.state.showLoadingIndicator = true
+        
+        self.liveLocationSharingViewerService.stopUserLiveLocationSharing { result in
+            self.state.showLoadingIndicator = false
+            
+            switch result {
+            case .success:
+                break
+            case.failure:
+                self.state.bindings.alertInfo = AlertInfo(id: .stopLocationSharingError,
+                                                          title: VectorL10n.error,
+                                                          message: VectorL10n.locationSharingLiveStopSharingError,
+                                                          primaryButton: (VectorL10n.ok, nil))
+            }
+        }
+    }
 }