feat: disable bookmarks import and export when the database is unava…

…ilable
cbeyls · Jan 11, 2024 · 924ed6f · 924ed6f
1 parent 97ec211
commit 924ed6f
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Showing 2 changed files with 29 additions and 1 deletion.
diff --git a/app/src/main/java/be/digitalia/fosdem/fragments/BookmarksListFragment.kt b/app/src/main/java/be/digitalia/fosdem/fragments/BookmarksListFragment.kt
@@ -105,11 +105,21 @@ class BookmarksListFragment : Fragment(R.layout.recyclerview) {
     private inner class BookmarksMenuProvider : MenuProvider {
         private var filterMenuItem: MenuItem? = null
         private var hidePastEventsMenuItem: MenuItem? = null
+        private var exportMenuItem: MenuItem? = null
+        private var importMenuItem: MenuItem? = null
+
+        var isImportExportEnabled: Boolean = true
+            set(value) {
+                field = value
+                updateMenuItems()
+            }
 
         override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
             menuInflater.inflate(R.menu.bookmarks, menu)
             filterMenuItem = menu.findItem(R.id.filter)
             hidePastEventsMenuItem = menu.findItem(R.id.hide_past_events)
+            exportMenuItem = menu.findItem(R.id.export_bookmarks)
+            importMenuItem = menu.findItem(R.id.import_bookmarks)
             updateMenuItems()
         }
 
@@ -139,13 +149,16 @@ class BookmarksListFragment : Fragment(R.layout.recyclerview) {
             val hidePastEvents = viewModel.hidePastEvents
             filterMenuItem?.setIcon(if (hidePastEvents) R.drawable.ic_filter_list_selected_white_24dp else R.drawable.ic_filter_list_white_24dp)
             hidePastEventsMenuItem?.isChecked = hidePastEvents
+            exportMenuItem?.isEnabled = isImportExportEnabled
+            importMenuItem?.isEnabled = isImportExportEnabled
         }
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        requireActivity().addMenuProvider(BookmarksMenuProvider(), viewLifecycleOwner)
+        val menuProvider = BookmarksMenuProvider()
+        requireActivity().addMenuProvider(menuProvider, viewLifecycleOwner)
 
         val adapter = BookmarksAdapter(view.context, multiChoiceHelper)
         val holder = RecyclerViewViewHolder(view).apply {
@@ -169,6 +182,11 @@ class BookmarksListFragment : Fragment(R.layout.recyclerview) {
                     adapter.roomStatuses = statuses
                 }
             }
+            launch {
+                viewModel.isImportExportEnabled.filterNotNull().collect { isEnabled ->
+                    menuProvider.isImportExportEnabled = isEnabled
+                }
+            }
             launch {
                 viewModel.bookmarks.filterNotNull().collect { bookmarks ->
                     adapter.submitList(bookmarks)

diff --git a/app/src/main/java/be/digitalia/fosdem/viewmodels/BookmarksViewModel.kt b/app/src/main/java/be/digitalia/fosdem/viewmodels/BookmarksViewModel.kt
@@ -20,9 +20,12 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import okio.buffer
@@ -61,6 +64,13 @@ class BookmarksViewModel @Inject constructor(
             bookmarksDao.getBookmarks(minEndTime)
         }
 
+    val isImportExportEnabled: StateFlow<Boolean?> =
+        scheduleDao.latestUpdateTime.map { it != null }.stateIn(
+            scope = viewModelScope,
+            started = SharingStarted.Lazily,
+            initialValue = null
+        )
+
     var hidePastEvents: Boolean
         get() = hidePastEventsStateFlow.value == true
         set(value) {