Remove account deletion on the server

client/src/main/java/envoy/client/data/LocalDB.java

@@ -283,6 +283,15 @@ public final class LocalDB implements EventListener {
 	 * @since Envoy Client v0.3-beta
 	 */
 	public void delete() {
+		try {
+
+			// Save ID generator - can be used for other users in that db
+			if (hasIDGenerator())
+				SerializationUtils.write(idGeneratorFile, idGenerator);
+		} catch (final IOException e) {
+			EnvoyLog.getLogger(LocalDB.class).log(Level.SEVERE, "Unable to save local database: ",
+				e);
+		}
 		if (lastLoginFile != null)
 			lastLoginFile.delete();
 		userFile.delete();
@@ -427,10 +436,7 @@ public final class LocalDB implements EventListener {
 		if (user.getID() == deletion.get())
 			logger.log(Level.WARNING,
 				"I have been informed by the server that I have been deleted without even knowing it...");
-		getChat(deletion.get()).ifPresent(chat -> {
-			chat.setDisabled(true);
-			chat.setUnderlyingContactDeleted(true);
-		});
+		getChat(deletion.get()).ifPresent(chat -> chat.setDisabled(true));
 	}
 
 	/**

client/src/main/java/envoy/client/event/AccountDeletion.java

@@ -0,0 +1,22 @@
+package envoy.client.event;
+
+import envoy.event.Event;
+
+/**
+ * Signifies the deletion of an account.
+ * 
+ * @author Leon Hofmeister
+ * @since Envoy Common v0.3-beta
+ */
+public class AccountDeletion extends Event<Long> {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @param value the ID of the contact that was deleted
+	 * @since Envoy Common v0.3-beta
+	 */
+	public AccountDeletion(Long value) {
+		super(value);
+	}
+}

client/src/main/java/envoy/client/ui/controller/GroupCreationTab.java

@@ -18,7 +18,7 @@ import envoy.event.contact.*;
 import envoy.util.Bounds;
 
 import envoy.client.data.*;
-import envoy.client.event.BackEvent;
+import envoy.client.event.*;
 import envoy.client.ui.control.*;
 import envoy.client.ui.listcell.ListCellFactory;
 

client/src/main/java/envoy/client/ui/settings/UserSettingsPane.java

@@ -13,6 +13,7 @@ import javafx.scene.image.*;
 import javafx.scene.input.InputEvent;
 import javafx.scene.layout.HBox;
 import javafx.stage.FileChooser;
+import javafx.util.Duration;
 
 import dev.kske.eventbus.EventBus;
 
@@ -38,7 +39,7 @@ public final class UserSettingsPane extends OnlineOnlySettingsPane {
 	private final PasswordField	newPasswordField		= new PasswordField();
 	private final PasswordField	repeatNewPasswordField	= new PasswordField();
 	private final Button		saveButton				= new Button("Save");
-	private final Button		deleteAccountButton		= new Button("Delete Account");
+	private final Button		deleteAccountButton		= new Button("Delete Account (Locally)");
 
 	private static final EventBus	eventBus	= EventBus.getInstance();
 	private static final Logger		logger		= EnvoyLog.getLogger(UserSettingsPane.class);
@@ -148,6 +149,13 @@ public final class UserSettingsPane extends OnlineOnlySettingsPane {
 		// Displaying the delete account button
 		deleteAccountButton.setAlignment(Pos.BASELINE_CENTER);
 		deleteAccountButton.setOnAction(e -> UserUtil.deleteAccount());
+		deleteAccountButton.setText("Delete Account (locally)");
+		deleteAccountButton.setPrefHeight(25);
+		deleteAccountButton.getStyleClass().clear();
+		deleteAccountButton.getStyleClass().add("danger-button");
+		final var tooltip = new Tooltip("Remote deletion is currently unsupported.");
+		tooltip.setShowDelay(Duration.millis(100));
+		deleteAccountButton.setTooltip(tooltip);
 		getChildren().add(deleteAccountButton);
 	}
 

client/src/main/java/envoy/client/util/UserUtil.java

@@ -10,7 +10,7 @@ import dev.kske.eventbus.EventBus;
 import envoy.data.*;
 import envoy.data.User.UserStatus;
 import envoy.event.*;
-import envoy.event.contact.*;
+import envoy.event.contact.UserOperation;
 import envoy.util.EnvoyLog;
 
 import envoy.client.data.Context;
@@ -129,32 +129,27 @@ public final class UserUtil {
 	 * @since Envoy Client v0.3-beta
 	 */
 	public static void deleteAccount() {
-		if (!context.getClient().isOnline())
-			return;
-		else {
 
-			// Show the first wall of defense, if not disabled by the user
-			final var outerAlert = new Alert(AlertType.CONFIRMATION);
-			outerAlert.setContentText(
-				"Are you sure you want to delete your account entirely? This action can seriously not be undone.");
-			outerAlert.setTitle("Delete Account?");
-			AlertHelper.confirmAction(outerAlert, () -> {
+		// Show the first wall of defense, if not disabled by the user
+		final var outerAlert = new Alert(AlertType.CONFIRMATION);
+		outerAlert.setContentText(
+			"Are you sure you want to delete your account entirely? This action can seriously not be undone.");
+		outerAlert.setTitle("Delete Account?");
+		AlertHelper.confirmAction(outerAlert, () -> {
 
-				// Show the final wall of defense in every case
-				final var lastAlert = new Alert(AlertType.WARNING,
-					"Do you REALLY want to delete your account? Last Warning. Proceed?",
-					ButtonType.CANCEL, ButtonType.OK);
-				lastAlert.setTitle("Delete Account?");
-				lastAlert.showAndWait().filter(ButtonType.OK::equals).ifPresent(b2 -> {
+			// Show the final wall of defense in every case
+			final var lastAlert = new Alert(AlertType.WARNING,
+				"Do you REALLY want to delete your account? Last Warning. Proceed?",
+				ButtonType.CANCEL, ButtonType.OK);
+			lastAlert.setTitle("Delete Account?");
+			lastAlert.showAndWait().filter(ButtonType.OK::equals).ifPresent(b2 -> {
 
-					// Delete the account
-					context.getClient()
-						.send(new AccountDeletion(context.getLocalDB().getUser().getID()));
-					context.getLocalDB().delete();
-					logger.log(Level.INFO, "The user just deleted his account. Goodbye.");
-					ShutdownHelper.exit(true);
-				});
+				// Delete the account
+				// TODO: Notify server of account deletion
+				context.getLocalDB().delete();
+				logger.log(Level.INFO, "The user just deleted his account. Goodbye.");
+				ShutdownHelper.exit(true);
 			});
-		}
+		});
 	}
 }

client/src/main/resources/css/base.css

@@ -70,6 +70,17 @@
 	-fx-text-fill: gray;
 }
 
+.danger-button {
+	-fx-background-color: red;
+	-fx-text-fill: white;
+	-fx-background-radius: 0.2em;
+}
+
+.danger-button:hover {
+	-fx-scale-x: 1.05;
+	-fx-scale-y: 1.05;
+}
+
 .received-message {
 	-fx-alignment: center-left;
 	-fx-background-radius: 1.3em;

client/src/main/resources/css/light.css

@@ -30,6 +30,10 @@
 	-fx-background-color: black;
 }
 
+.tooltip {
+	-fx-text-fill: black;
+}
+
 #login-input-field {
 	-fx-border-color: black;
 }