Use updated LocalDataManager.

client/src/main/kotlin/io/spine/examples/pingh/client/LocalDataManager.kt

@@ -140,7 +140,7 @@ internal class LocalDataManager {
             .vBuild()
 
     /**
-     * Indicates that the current user is logged into the app.
+     * Specifies that the current user is logged into the app.
      */
     internal fun confirmLogin() {
         isNewUnlogged = false

client/src/main/kotlin/io/spine/examples/pingh/client/LoginFlow.kt

@@ -64,11 +64,13 @@ public abstract class LoginStage<T> {
  * @property client Enables interaction with the Pingh server.
  * @property local Manages the local data for users of the application.
  * @property establishSession Updates the application state when a session is established.
+ * @property confirmLogin Specifies that the user is logged into the app.
  */
 public class LoginFlow internal constructor(
     private val client: DesktopClient,
     private val local: LocalDataManager,
-    private val establishSession: (SessionId) -> Unit
+    private val establishSession: (SessionId) -> Unit,
+    private val confirmLogin: () -> Unit
 ) {
     /**
      * Current stage of the GitHub login process.
@@ -101,7 +103,7 @@ public class LoginFlow internal constructor(
                             "of the `EnterUsername` stage."
                 }
                 stage.value = VerifyLogin(
-                    client, local, ::moveToNextStage,
+                    client, local, ::moveToNextStage, confirmLogin,
                     stage.value.result as UserCodeReceived
                 )
             }

client/src/main/kotlin/io/spine/examples/pingh/client/MentionsFlow.kt

@@ -151,7 +151,7 @@ public class MentionsFlow internal constructor(
      * Throws an `IllegalStateException` exception if the user is not logged in.
      */
     private fun ensureLoggedIn() {
-        check(!local.isGuest()) { "The user is not logged in." }
+        check(local.isLoggedIn) { "The user is not logged in." }
     }
 }
 

client/src/main/kotlin/io/spine/examples/pingh/client/PinghApplication.kt

@@ -79,10 +79,10 @@ public class PinghApplication private constructor(
         private set
 
     init {
-        client = if (local.isGuest()) {
-            DesktopClient(channel)
-        } else {
+        client = if (local.isLoggedIn) {
             DesktopClient(channel, local.session.asUserId())
+        } else {
+            DesktopClient(channel)
         }
     }
 
@@ -107,7 +107,7 @@ public class PinghApplication private constructor(
     private val notificationsFlow = NotificationsFlow(notificationSender, local)
 
     init {
-        if (!local.isGuest()) {
+        if (local.isLoggedIn) {
             notificationsFlow.enableNotifications(client, local.user)
         }
     }
@@ -125,6 +125,13 @@ public class PinghApplication private constructor(
         notificationsFlow.enableNotifications(client, id.username)
     }
 
+    /**
+     * Specifies that the user is logged into the app.
+     */
+    private fun confirmLogin() {
+        local.confirmLogin()
+    }
+
     /**
      * Updates the application state when a session is closed:
      *
@@ -142,14 +149,14 @@ public class PinghApplication private constructor(
     /**
      * Returns `true` if the user is logged in to the application.
      */
-    public fun isLoggedIn(): Boolean = !local.isGuest()
+    public fun isLoggedIn(): Boolean = local.isLoggedIn
 
     /**
      * Initiates the login flow and terminates any previous flow, if it exists.
      */
     public fun startLoginFlow(): LoginFlow {
         loginFlow?.close()
-        loginFlow = LoginFlow(client, local, ::establishSession)
+        loginFlow = LoginFlow(client, local, ::establishSession, ::confirmLogin)
         return loginFlow!!
     }
 
@@ -183,6 +190,7 @@ public class PinghApplication private constructor(
     public fun close() {
         loginFlow?.close()
         settingsFlow?.saveSettings()
+        local.clear()
         client.close()
         channel.shutdown()
             .awaitTermination(defaultShutdownTimeout, TimeUnit.SECONDS)

client/src/main/kotlin/io/spine/examples/pingh/client/VerifyLogin.kt

@@ -60,13 +60,15 @@ import kotlinx.coroutines.launch
  * @property client Enables interaction with the Pingh server.
  * @property local Manages the local data for users of the application.
  * @property moveToNextStage Switches the current stage to the [LoginFailed].
+ * @property confirmLogin Specifies that the user is logged into the app.
  * @param event The event received after the user enters their name.
  */
 @Suppress("MemberVisibilityCanBePrivate" /* Accessed from `desktop` module. */)
 public class VerifyLogin internal constructor(
     private val client: DesktopClient,
     private val local: LocalDataManager,
     private val moveToNextStage: () -> Unit,
+    private val confirmLogin: () -> Unit,
     event: UserCodeReceived
 ) : LoginStage<String>() {
 
@@ -164,6 +166,7 @@ public class VerifyLogin internal constructor(
         client.observeEither(
             EventObserver(command.id, UserLoggedIn::class) {
                 codeExpirationJob.cancel()
+                confirmLogin()
                 future.complete(ActionOutcome.Success)
             },
             EventObserver(command.id, UserIsNotLoggedIntoGitHub::class) {