Use CountdownLatch for SyncWorker

Signed-off-by: Stefan Niedermann <info@niedermann.it>

Author: stefan-niedermann

app/src/main/java/it/niedermann/owncloud/notes/main/MainActivity.java

@@ -210,9 +210,9 @@ protected void onCreate(Bundle savedInstanceState) {
             }
         });
 
-        mainViewModel.hasMultipleAccountsConfigured().observe(this, (hasMultipleAccountsConfigured) -> canMoveNoteToAnotherAccounts = hasMultipleAccountsConfigured);
-        mainViewModel.getSyncStatus().observe(this, (syncStatus) -> swipeRefreshLayout.setRefreshing(syncStatus));
-        mainViewModel.getSyncErrors().observe(this, (exceptions) -> BrandedSnackbar.make(coordinatorLayout, R.string.error_synchronization, Snackbar.LENGTH_LONG)
+        mainViewModel.hasMultipleAccountsConfigured().observe(this, hasMultipleAccountsConfigured -> canMoveNoteToAnotherAccounts = hasMultipleAccountsConfigured);
+        mainViewModel.getSyncStatus().observe(this, syncStatus -> swipeRefreshLayout.setRefreshing(syncStatus));
+        mainViewModel.getSyncErrors().observe(this, exceptions -> BrandedSnackbar.make(coordinatorLayout, R.string.error_synchronization, Snackbar.LENGTH_LONG)
                 .setAction(R.string.simple_more, v -> ExceptionDialogFragment.newInstance(exceptions)
                         .show(getSupportFragmentManager(), ExceptionDialogFragment.class.getSimpleName()))
                 .show());
@@ -666,7 +666,7 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                     AccountImporter.onActivityResult(requestCode, resultCode, data, this, (ssoAccount) -> {
                         CapabilitiesWorker.update(this);
                         executor.submit(() -> {
-                            final var importSnackbar = BrandedSnackbar.make(binding.drawerLayout, R.string.progress_import_indeterminate, Snackbar.LENGTH_INDEFINITE);
+                            final var importSnackbar = BrandedSnackbar.make(coordinatorLayout, R.string.progress_import_indeterminate, Snackbar.LENGTH_INDEFINITE);
                             Log.i(TAG, "Added account: " + "name:" + ssoAccount.name + ", " + ssoAccount.url + ", userId" + ssoAccount.userId);
                             try {
                                 Log.i(TAG, "Refreshing capabilities for " + ssoAccount.name);

app/src/main/java/it/niedermann/owncloud/notes/persistence/SyncWorker.java

@@ -13,10 +13,9 @@
 import androidx.work.WorkerParameters;
 
 import java.util.Objects;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import it.niedermann.owncloud.notes.persistence.entity.Account;
-
 public class SyncWorker extends Worker {
 
     private static final String TAG = Objects.requireNonNull(SyncWorker.class.getSimpleName());
@@ -34,19 +33,31 @@ public SyncWorker(@NonNull Context context, @NonNull WorkerParameters workerPara
     @Override
     public Result doWork() {
         final var repo = NotesRepository.getInstance(getApplicationContext());
-        for (final var account : repo.getAccounts()) {
+        final var accounts = repo.getAccounts();
+        final var latch = new CountDownLatch(accounts.size());
+
+        for (final var account : accounts) {
             Log.v(TAG, "Starting background synchronization for " + account.getAccountName());
-            repo.addCallbackPull(account, () -> Log.v(TAG, "Finished background synchronization for " + account.getAccountName()));
+            repo.addCallbackPull(account, () -> {
+                Log.v(TAG, "Finished background synchronization for " + account.getAccountName());
+                latch.countDown();
+            });
             repo.scheduleSync(account, false);
         }
-        // TODO return result depending on callbackPull
-        return Result.success();
+
+        try {
+            latch.await();
+            return Result.success();
+        } catch (InterruptedException e) {
+            return Result.failure();
+        }
     }
 
     /**
      * Set up sync work to enabled every 15 minutes or just disabled
      * https://github.com/stefan-niedermann/nextcloud-notes/issues/1168
-     * @param context the application
+     *
+     * @param context        the application
      * @param backgroundSync the toggle result backgroundSync
      */