Fetch own username from the whoami endpoint.

app/src/main/java/org/thoughtcrime/securesms/database/RecipientDatabase.kt

@@ -2068,20 +2068,19 @@ open class RecipientDatabase(context: Context, databaseHelper: SignalDatabase) :
   }
 
   fun setUsername(id: RecipientId, username: String?) {
-    if (username != null) {
-      val existingUsername = getByUsername(username)
-      if (existingUsername.isPresent && id != existingUsername.get()) {
-        Log.i(TAG, "Username was previously thought to be owned by " + existingUsername.get() + ". Clearing their username.")
-        setUsername(existingUsername.get(), null)
+    writableDatabase.withinTransaction {
+      if (username != null) {
+        val existingUsername = getByUsername(username)
+        if (existingUsername.isPresent && id != existingUsername.get()) {
+          Log.i(TAG, "Username was previously thought to be owned by " + existingUsername.get() + ". Clearing their username.")
+          setUsername(existingUsername.get(), null)
+        }
       }
-    }
 
-    val contentValues = ContentValues(1).apply {
-      put(USERNAME, username)
-    }
-    if (update(id, contentValues)) {
-      ApplicationDependencies.getDatabaseObserver().notifyRecipientChanged(id)
-      StorageSyncHelper.scheduleSyncForDataChange()
+      if (update(id, contentValuesOf(USERNAME to username))) {
+        ApplicationDependencies.getDatabaseObserver().notifyRecipientChanged(id)
+        StorageSyncHelper.scheduleSyncForDataChange()
+      }
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/jobs/RefreshOwnProfileJob.java

@@ -141,6 +141,9 @@ public class RefreshOwnProfileJob extends BaseJob {
     profileAndCredential.getExpiringProfileKeyCredential()
                         .ifPresent(expiringProfileKeyCredential -> setExpiringProfileKeyCredential(self, ProfileKeyUtil.getSelfProfileKey(), expiringProfileKeyCredential));
 
+    String username = ApplicationDependencies.getSignalServiceAccountManager().getWhoAmI().getUsername();
+    SignalDatabase.recipients().setUsername(Recipient.self().getId(), username);
+
     StoryOnboardingDownloadJob.Companion.enqueueIfNeeded();
   }
 

app/src/main/java/org/thoughtcrime/securesms/profiles/manage/UsernameEditRepository.java

@@ -8,6 +8,7 @@ import org.signal.core.util.concurrent.SignalExecutors;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.database.SignalDatabase;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
+import org.thoughtcrime.securesms.jobs.MultiDeviceProfileContentUpdateJob;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
 import org.whispersystems.signalservice.api.push.exceptions.UsernameIsNotReservedException;
@@ -66,6 +67,7 @@ class UsernameEditRepository {
     try {
       accountManager.confirmUsername(reserveUsernameResponse);
       SignalDatabase.recipients().setUsername(Recipient.self().getId(), reserveUsernameResponse.getUsername());
+      ApplicationDependencies.getJobManager().add(new MultiDeviceProfileContentUpdateJob());
       Log.i(TAG, "[confirmUsername] Successfully reserved username.");
       return UsernameSetResult.SUCCESS;
     } catch (UsernameTakenException e) {

libsignal/service/src/main/java/org/whispersystems/signalservice/internal/push/WhoAmIResponse.java

@@ -12,6 +12,9 @@ public class WhoAmIResponse {
   @JsonProperty
   public String number;
 
+  @JsonProperty
+  public String username;
+
   public String getAci() {
     return uuid;
   }
@@ -23,4 +26,8 @@ public class WhoAmIResponse {
   public String getNumber() {
     return number;
   }
+
+  public String getUsername() {
+    return username;
+  }
 }