Fix cr

changelog/unreleased/4170

@@ -1,6 +1,6 @@
-Bugfix: Null pointer exception have been avoided
+Bugfix: Some Null Pointer Exceptions avoided
 
-in the detail screen as elsewhere the app has been prevented from crashing when a null is found.
+in the detail screen, in the main file list ViewModel and in the OCFile repository the app has been prevented from crashing when a null is found.
 
 https://github.com/owncloud/android/issues/4158
 https://github.com/owncloud/android/pull/4170

owncloudData/src/main/java/com/owncloud/android/data/files/repository/OCFileRepository.kt

@@ -168,10 +168,14 @@ class OCFileRepository(
         val personalSpace = localSpacesDataSource.getPersonalSpaceForAccount(owner)
         if (personalSpace == null) {
             val legacyRootFolder = localFileDataSource.getFileByRemotePath(remotePath = ROOT_PATH, owner = owner, spaceId = null)
-            return legacyRootFolder ?: throw IllegalStateException("LegacyRootFolder not found")
+            try {
+                return legacyRootFolder ?: throw IllegalStateException("LegacyRootFolder not found")
+            } catch (e: IllegalStateException) {
+                Timber.i("There was an error: $e")
+            }
         }
         // TODO: Retrieving the root folders should return a non nullable. If they don't exist yet, they are created and returned. Remove nullability
-        val personalRootFolder = localFileDataSource.getFileByRemotePath(remotePath = ROOT_PATH, owner = owner, spaceId = personalSpace.root.id)
+        val personalRootFolder = localFileDataSource.getFileByRemotePath(remotePath = ROOT_PATH, owner = owner, spaceId = personalSpace?.root?.id)
         return personalRootFolder!!
     }