Fix: Map position of Explore set correctly when navigating from Nearby (#6544)

* fix: show in explorer in same position as nearby

* fix: Show in explorer map position: added the removed comment

* code rabbit changes

---------

Co-authored-by: Nicolas Raoul <nicolas.raoul@gmail.com>

app/src/main/java/fr/free/nrw/commons/explore/ExploreFragment.kt

@@ -121,9 +121,15 @@ class ExploreFragment : CommonsDaggerSupportFragment() {
         // get fragment arguments
         if (arguments != null) {
             with (requireArguments()) {
-                prevZoom = getDouble("prev_zoom")
+                if (containsKey("prev_zoom")) {
-                prevLatitude = getDouble("prev_latitude")
+                    prevZoom = getDouble("prev_zoom")
-                prevLongitude = getDouble("prev_longitude")
+                }
+                if (containsKey("prev_latitude")) {
+                    prevLatitude = getDouble("prev_latitude")
+                }
+                if (containsKey("prev_longitude")) {
+                    prevLongitude = getDouble("prev_longitude")
+                }
             }
         }
     }
@@ -135,7 +141,9 @@ class ExploreFragment : CommonsDaggerSupportFragment() {
      * @return true if user navigated from Nearby map
      */
     private val isCameFromNearbyMap: Boolean
-        get() = prevZoom != 0.0 || prevLatitude != 0.0 || prevLongitude != 0.0
+        get() = (arguments?.containsKey("prev_zoom") == true
+                && arguments?.containsKey("prev_latitude") == true
+                && arguments?.containsKey("prev_longitude") == true)
 
     fun onBackPressed(): Boolean {
         if (binding!!.tabLayout.selectedTabPosition == 0) {

app/src/main/java/fr/free/nrw/commons/explore/ExploreMapRootFragment.kt

@@ -28,9 +28,10 @@ class ExploreMapRootFragment : CommonsDaggerSupportFragment, MediaDetailProvider
     constructor(bundle: Bundle) {
         // get fragment arguments
         val title = bundle.getString("categoryName")
-        val zoom = bundle.getDouble("prev_zoom")
+
-        val latitude = bundle.getDouble("prev_latitude")
+        val zoom = if (bundle.containsKey("prev_zoom")) bundle.getDouble("prev_zoom") else 0.0
-        val longitude = bundle.getDouble("prev_longitude")
+        val latitude = if (bundle.containsKey("prev_latitude")) bundle.getDouble("prev_latitude") else 0.0
+        val longitude = if (bundle.containsKey("prev_longitude")) bundle.getDouble("prev_longitude") else 0.0
 
         mapFragment = ExploreMapFragment()
         val featuredArguments = bundleOf(
@@ -38,7 +39,7 @@ class ExploreMapRootFragment : CommonsDaggerSupportFragment, MediaDetailProvider
         )
 
         // if we came from 'Show in Explore' in Nearby, pass on zoom and center
-        if (zoom != 0.0 || latitude != 0.0 || longitude != 0.0) {
+        if (bundle.containsKey("prev_zoom") || bundle.containsKey("prev_latitude") || bundle.containsKey("prev_longitude")) {
             featuredArguments.putDouble("prev_zoom", zoom)
             featuredArguments.putDouble("prev_latitude", latitude)
             featuredArguments.putDouble("prev_longitude", longitude)

app/src/main/java/fr/free/nrw/commons/explore/map/ExploreMapFragment.kt

@@ -102,6 +102,7 @@ class ExploreMapFragment : CommonsDaggerSupportFragment(), ExploreMapContract.Vi
     private var prevLatitude = 0.0
     private var prevLongitude = 0.0
     private var recentlyCameFromNearbyMap = false
+    private var shouldPerformMapReadyActionsOnResume = false
     private var presenter: ExploreMapPresenter? = null
     private var binding: FragmentExploreMapBinding? = null
     var mediaList: MutableList<Media>? = null
@@ -281,6 +282,10 @@ class ExploreMapFragment : CommonsDaggerSupportFragment(), ExploreMapContract.Vi
             requireActivity().registerReceiver(broadcastReceiver, intentFilter)
         }
         setSearchThisAreaButtonVisibility(false)
+        if (shouldPerformMapReadyActionsOnResume) {
+            shouldPerformMapReadyActionsOnResume = false
+            performMapReadyActions()
+        }
     }
 
     override fun onPause() {
@@ -292,6 +297,11 @@ class ExploreMapFragment : CommonsDaggerSupportFragment(), ExploreMapContract.Vi
     }
 
     fun requestLocationIfNeeded() {
+        if (isResumed) {
+            performMapReadyActions()
+        } else {
+            shouldPerformMapReadyActionsOnResume = true
+        }
         if (!isVisible) return  //  skips if not visible to user
         if (locationPermissionsHelper!!.checkLocationPermission(requireActivity())) {
             if (locationPermissionsHelper!!.isLocationAccessToAppsTurnedOn()) {
@@ -361,7 +371,7 @@ class ExploreMapFragment : CommonsDaggerSupportFragment(), ExploreMapContract.Vi
         if (isCameFromNearbyMap) {
             moveCameraToPosition(
                 GeoPoint(prevLatitude, prevLongitude),
-                prevZoom,
+                prevZoom.coerceIn(1.0, 22.0),
                 1L
             )
         } else {
@@ -379,12 +389,11 @@ class ExploreMapFragment : CommonsDaggerSupportFragment(), ExploreMapContract.Vi
         // get fragment arguments
         if (arguments != null) {
             with (requireArguments()) {
-                prevZoom = getDouble("prev_zoom")
+                if (containsKey("prev_zoom")) prevZoom = getDouble("prev_zoom")
-                prevLatitude = getDouble("prev_latitude")
+                if (containsKey("prev_latitude")) prevLatitude = getDouble("prev_latitude")
-                prevLongitude = getDouble("prev_longitude")
+                if (containsKey("prev_longitude")) prevLongitude = getDouble("prev_longitude")
             }
         }
-
         setRecentlyCameFromNearbyMap(isCameFromNearbyMap)
     }