Fetch folder list when creating an account

app/core/src/main/java/com/fsck/k9/controller/MessagingController.java

@@ -364,8 +364,24 @@ public class MessagingController {
         put("refreshFolderList", null, () -> refreshFolderListSynchronous(account));
     }
 
-    @Deprecated
-    public void refreshFolderListSynchronous(Account account) {
+    public void refreshFolderListBlocking(Account account) {
+        final CountDownLatch latch = new CountDownLatch(1);
+        putBackground("refreshFolderListBlocking", null, () -> {
+            try {
+                refreshFolderListSynchronous(account);
+            } finally {
+                latch.countDown();
+            }
+        });
+
+        try {
+            latch.await();
+        } catch (Exception e) {
+            Timber.e(e, "Interrupted while awaiting latch release");
+        }
+    }
+
+    void refreshFolderListSynchronous(Account account) {
         try {
             if (isAuthenticationProblem(account, true)) {
                 Timber.d("Authentication will fail. Skip refreshing the folder list.");

app/k9mail/src/main/java/com/fsck/k9/account/AccountCreator.kt

@@ -8,6 +8,7 @@ import app.k9mail.feature.account.setup.AccountSetupExternalContract.AccountCrea
 import com.fsck.k9.Account.FolderMode
 import com.fsck.k9.Core
 import com.fsck.k9.Preferences
+import com.fsck.k9.controller.MessagingController
 import com.fsck.k9.logging.Timber
 import com.fsck.k9.mail.ServerSettings
 import com.fsck.k9.mail.store.imap.ImapStoreSettings.autoDetectNamespace
@@ -27,6 +28,7 @@ class AccountCreator(
     private val localFoldersCreator: SpecialLocalFoldersCreator,
     private val preferences: Preferences,
     private val context: Context,
+    private val messagingController: MessagingController,
     private val coroutineDispatcher: CoroutineDispatcher = Dispatchers.IO,
 ) : AccountSetupExternalContract.AccountCreator {
 
@@ -73,6 +75,8 @@ class AccountCreator(
 
         Core.setServicesEnabled(context)
 
+        messagingController.refreshFolderListBlocking(newAccount)
+
         return newAccount.uuid
     }
 }

app/k9mail/src/main/java/com/fsck/k9/account/AccountModule.kt

@@ -26,6 +26,7 @@ val newAccountModule = module {
             localFoldersCreator = get(),
             preferences = get(),
             context = androidApplication(),
+            messagingController = get(),
         )
     }