From 3b16f36d497151ea1628491a057da292855a46f1 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.com>
Date: Thu, 21 Nov 2024 23:54:32 +0530
Subject: added multithreading because... yes

---
 src/Store/Book.java | 72 +++++++++++++++++++++++++++++++++++++----------------
 src/Store/User.java | 66 +++++++++++++++++++++++++++++-------------------
 2 files changed, 90 insertions(+), 48 deletions(-)

(limited to 'src/Store')

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();
         });
     }
 
-- 
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