3 files changed, 91 insertions, 49 deletions
diff --git a/src/Main.java b/src/Main.java
index 5fd5a20..8215973 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,7 +1,7 @@
 import Store.ConnectionHandler;
 import UI.MainWindow;
 import com.github.weisj.darklaf.LafManager;
-import com.github.weisj.darklaf.theme.;
+import com.github.weisj.darklaf.theme.SolarizedLightTheme;
 
 import java.awt.*;
 
diff --git a/src/Store/Book.java b/src/Store/Book.java
index 4232d77..fe2d63e 100644
--- a/src/Store/Book.java
+++ b/src/Store/Book.java
@@ -164,38 +164,66 @@ public class Book {
 
     public static DataListener<JSONMessage> getListHandler(boolean availableOnly) {
         return ((client, data, ackSender) -> {
-            ArrayList<Book> books = getAll(availableOnly);
-            client.sendEvent(availableOnly ? "availableBooksList" : "allBooksList", books);
+            Thread t = new Thread(() -> {
+                ArrayList<Book> books = null;
+                try {
+                    books = getAll(availableOnly);
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+                client.sendEvent(availableOnly ? "availableBooksList" : "allBooksList", books);
+            });
+
+            t.start();
+            t.join();
         });
     }
 
     public static DataListener<JSONMessage> issueHandler() {
         return ((client, data, ackSender) -> {
-            Map d = data.getData();
-
-            int userId = (int) d.get("id");
-            Book b = new Book((int) d.get("bookId"));
-
-            if (b.issue(userId)) {
-                client.sendEvent("issued");
-            } else {
-                client.sendEvent("alreadyIssued");
-            }
+            Thread t = new Thread(() -> {
+                Map d = data.getData();
+
+                int userId = (int) d.get("id");
+                Book b = new Book((int) d.get("bookId"));
+
+                try {
+                    if (b.issue(userId)) {
+                        client.sendEvent("issued");
+                    } else {
+                        client.sendEvent("alreadyIssued");
+                    }
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+
+            t.start();
+            t.join();
         });
     }
 
     public static DataListener<JSONMessage> returnHandler() {
         return ((client, data, ackSender) -> {
-            Map d = data.getData();
-
-            int userId = (int) d.get("id");
-            Book b = new Book((int) d.get("bookId"));
-
-            if (b.returnBook(userId)) {
-                client.sendEvent("returned");
-            } else {
-                client.sendEvent("returnFailed");
-            }
+            Thread t = new Thread(() -> {
+                Map d = data.getData();
+
+                int userId = (int) d.get("id");
+                Book b = new Book((int) d.get("bookId"));
+
+                try {
+                    if (b.returnBook(userId)) {
+                        client.sendEvent("returned");
+                    } else {
+                        client.sendEvent("returnFailed");
+                    }
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+
+            t.start();
+            t.join();
         });
     }
 
diff --git a/src/Store/User.java b/src/Store/User.java
index e414520..c253421 100644
--- a/src/Store/User.java
+++ b/src/Store/User.java
@@ -74,39 +74,53 @@ public class User {
 
     public static DataListener<JSONMessage> signUpHandler() {
         return ((client, data, ackSender) -> {
-            Map<String,String> d = data.getData();
-
-            User user = new User(d.get("userName"), d.get("password"));
-            try {
-                if (user.save()) {
-                    client.sendEvent("signedUp");
-                } else {
-                    client.sendEvent("usernameTaken");
+            Thread t = new Thread(() -> {
+                Map<String,String> d = data.getData();
+
+                User user = new User(d.get("userName"), d.get("password"));
+                try {
+                    if (user.save()) {
+                        client.sendEvent("signedUp");
+                    } else {
+                        client.sendEvent("usernameTaken");
+                        client.sendEvent("signUpFailed");
+                    }
+                } catch (SQLException e) {
                     client.sendEvent("signUpFailed");
+                    System.out.println(e.getMessage());
                 }
-            } catch (SQLException e) {
-                client.sendEvent("signUpFailed");
-                System.out.println(e.getMessage());
-            }
+            });
+
+            t.start();
+            t.join();
         });
     }
 
     public static DataListener<JSONMessage> loginHandler() {
         return ((client, data, ackSender) -> {
-            Map<String,String> d = data.getData();
-
-            User user = new User(d.get("userName"), d.get("password"));
-            try {
-                user.login();
-            } catch (SQLException e) {
-                System.out.println(e.getMessage());
-            }
-
-            if (user.login()) {
-                client.sendEvent("loggedIn", user.id);
-            } else {
-                client.sendEvent("loginFailed");
-            }
+            Thread t = new Thread(() -> {
+                Map<String,String> d = data.getData();
+
+                User user = new User(d.get("userName"), d.get("password"));
+                try {
+                    user.login();
+                } catch (SQLException e) {
+                    System.out.println(e.getMessage());
+                }
+
+                try {
+                    if (user.login()) {
+                        client.sendEvent("loggedIn", user.id);
+                    } else {
+                        client.sendEvent("loginFailed");
+                    }
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+
+            t.start();
+            t.join();
         });
     }