Added messages sending after registering

.gitignore

@@ -141,3 +141,4 @@ hs_err_pid*
 replay_pid*
 
 # End of https://www.toptal.com/developers/gitignore/api/intellij,java
+/target/

src/main/java/controllers/Database.java

@@ -113,7 +113,7 @@ public class Database {
                 statement.setString(1, message);
                 statement.setInt(2, conversationId);
                 statement.setDate(3, Date.valueOf(LocalDateTime.now().toLocalDate()));
-                statement.setTime(3, Time.valueOf(LocalDateTime.now().toLocalTime()));
+                statement.setTime(4, Time.valueOf(LocalDateTime.now().toLocalTime()));
 
                 int rowsInserted = statement.executeUpdate();
                 return rowsInserted == 1;
@@ -157,17 +157,22 @@ public class Database {
         }
     }
 
-    public static boolean addConversation(int conversation_id) {
+    public static boolean addConversation(int sender, int receiver) {
         try (Connection connection = getConnection()) {
             if (connection == null) return false;
 
             try (PreparedStatement statement = connection.prepareStatement("""
-        INSERT INTO conversations(id, sender, recipient)
+        INSERT INTO conversations(sender, recipient)
-        VALUES (?, ?, ?)
+        VALUES (?, ?)
       """)) {
-                statement.setInt(1, conversation_id);
+                System.err.println("a");
+                statement.setInt(1, sender);
+                System.err.println("a");
+                statement.setInt(2, receiver);
 
+                System.err.println("a");
                 int rowsInserted = statement.executeUpdate();
+                System.err.println("a");
                 return rowsInserted == 1;
             } catch (SQLException ex) {
                 System.err.println("Error while trying to add a conversation: " + ex);
@@ -179,6 +184,32 @@ public class Database {
         }
     }
     
+    public static int getConversationId(int sender, int receiver) {
+        try (Connection connection = getConnection()) {
+            if (connection == null) return -1;
+
+            try (PreparedStatement statement = connection.prepareStatement("""
+            SELECT id
+            FROM conversations
+            WHERE sender = ? AND recipient = ?
+        """)) {
+                statement.setInt(1, sender);
+                statement.setInt(2, receiver);
+                ResultSet resultSet = statement.executeQuery();
+                if (resultSet.next()) {
+                    return resultSet.getInt(1);
+                }
+                return -1;
+            } catch (SQLException e) {
+                System.err.println("Error while trying to get the conversation id: " + e);
+                return -1;
+            }
+        } catch (SQLException e) {
+            System.err.println("Error while trying to open a connection: " + e);
+            throw new RuntimeException(e);
+        }
+    }
+
     public static List<Message> getMessages(int conversation_id) {
         try (Connection connection = getConnection()) {
             if (connection == null) return null;
@@ -210,8 +241,8 @@ public class Database {
 
     private static Connection getConnection() throws SQLException {
         return DriverManager.getConnection(
-                System.getenv("db_url"),
+                "jdbc:mariadb://riefolo.me:3306/chat_rsa",
-                System.getenv("db_user"), System.getenv("db_pass")
+                "proj_sistemi", "$o8a5#diTGg8*Agk"
         );
     }
 }

src/main/java/controllers/MessageForwarder.java

@@ -16,6 +16,7 @@ public class MessageForwarder {
     }
 
     public static void sendTo(int id, String message, int senderId) throws IOException {
-        idThread.get(id).sendMessage(message, senderId);
+        if (idThread.containsKey(id))
+            idThread.get(id).sendMessage(message, senderId);
     }
 }

src/main/java/controllers/ServerThread.java

@@ -106,12 +106,13 @@ public class ServerThread extends Thread {
             throw new RuntimeException(e);
         }
         int recipientId = getIdFromUsername(dUsername);
+        Database.addConversation(clientId, recipientId);
 
 
         for (;;) {
             try {
                 sendEncrypted("Inserisci messaggio: ");
-                message = rsa.decrypt(fromClient.readLine());
+                message = fromClient.readLine();
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }
@@ -126,11 +127,15 @@ public class ServerThread extends Thread {
                     throw new RuntimeException(e);
                 }
                 recipientId = getIdFromUsername(dUsername);
+                Database.addConversation(clientId, recipientId);
                 continue;
             }
             
+            int convId = Database.getConversationId(clientId, recipientId);
+
             try {
                 MessageForwarder.sendTo(recipientId, message, clientId);
+                Database.addMessage(convId, message);
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }

src/main/java/views/ClientSendThread.java

@@ -5,6 +5,8 @@ import models.Rsa;
 import java.io.*;
 import java.math.BigInteger;
 import java.security.NoSuchAlgorithmException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class ClientSendThread extends Thread{
     private final BufferedWriter out;
@@ -51,6 +53,23 @@ public class ClientSendThread extends Thread{
 
         ClientReceiveThread crt = new ClientReceiveThread(in,rsa);
         crt.start();
+        
+        String s;
+        try {
+            s = br.readLine();
+            send(rsa.encrypt(s, se, sn));
+        } catch (IOException ex) {
+            Logger.getLogger(ClientSendThread.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        
+        while (true) {
+            try {
+                s = br.readLine();
+                send(rsa.encrypt(s, se, sn));
+            } catch (IOException ex) {
+                Logger.getLogger(ClientSendThread.class.getName()).log(Level.SEVERE, null, ex);
+            }
+        }
     }
 
     private void sendCredentials(BufferedReader br) throws IOException {