refactor: simplify onViewCreated method to comply with LongMethod Detekt rule

Author: joragua

owncloudApp/src/main/java/com/owncloud/android/presentation/files/details/FileDetailsFragment.kt

@@ -126,14 +126,7 @@ class FileDetailsFragment : FileFragment() {
         super.onViewCreated(view, savedInstanceState)
         isMultiPersonal = requireArguments().getBoolean(ARG_IS_MULTIPERSONAL)
 
-        collectLatestLifecycleFlow(fileDetailsViewModel.currentFile) { ocFileWithSyncInfo: OCFileWithSyncInfo? ->
-            if (ocFileWithSyncInfo != null) {
-                file = ocFileWithSyncInfo.file
-                updateDetails(ocFileWithSyncInfo)
-            } else {
-                requireActivity().onBackPressed()
-            }
-        }
+        observeCurrentFile()
 
         collectLatestLifecycleFlow(fileDetailsViewModel.appRegistryMimeType) { appRegistryMimeType ->
             if (appRegistryMimeType != null) {
@@ -602,6 +595,17 @@ class FileDetailsFragment : FileFragment() {
         fileOperationsViewModel.setLastUsageFile(fileWaitingToPreview)
     }
 
+    private fun observeCurrentFile() {
+        collectLatestLifecycleFlow(fileDetailsViewModel.currentFile) { ocFileWithSyncInfo: OCFileWithSyncInfo? ->
+            if (ocFileWithSyncInfo != null) {
+                file = ocFileWithSyncInfo.file
+                updateDetails(ocFileWithSyncInfo)
+            } else {
+                requireActivity().onBackPressed()
+            }
+        }
+    }
+
     override fun updateViewForSyncInProgress() {
         // Not yet implemented
     }