Saved messages chat implemented.

2025-08-02 14:47:26 +03:30
parent 46f036cb31
commit 9887b2af42
5 changed files with 282 additions and 9 deletions
@@ -0,0 +1,38 @@
+package org.to.telegramfinalproject.Database;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.UUID;
+
+public class PrivateChatDatabase {
+
+    public static UUID getOrCreateSavedMessagesChat(UUID userId) {
+        String query = "SELECT chat_id FROM private_chat WHERE user1_id = ? AND user2_id = ?";
+        try (Connection conn = ConnectionDb.connect()) {
+            PreparedStatement stmt = conn.prepareStatement(query);
+            stmt.setObject(1, userId);
+            stmt.setObject(2, userId); // Saved Messages is self-chat
+
+            ResultSet rs = stmt.executeQuery();
+            if (rs.next()) {
+                return (UUID) rs.getObject("chat_id"); // Chat already exists
+            } else {
+                // Create a new chat
+                UUID chatId = UUID.randomUUID();
+                String insert = "INSERT INTO private_chat (chat_id, user1_id, user2_id) VALUES (?, ?, ?)";
+                try (PreparedStatement insertStmt = conn.prepareStatement(insert)) {
+                    insertStmt.setObject(1, chatId);
+                    insertStmt.setObject(2, userId);
+                    insertStmt.setObject(3, userId);
+                    insertStmt.executeUpdate();
+                    return chatId;
+                }
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}