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+# Telegram-Clone Project
+
+## Introduction
+This is the final project of our [**Advanced Programming**](https://github.com/Advanced-Programming-1403) course at Shahid Beheshti University.  
+It’s a clone of the famous messaging application **Telegram**, developed in **Java** and designed with **JavaFX**.  
+
+The project implements both **client-side** and **server-side** logic, featuring real-time messaging, saved messages, contacts, groups, and channels.  
+
+---
+
+## Objectives
+Here is a list of concepts that were practiced and implemented throughout the project:
+- Object-Oriented Programming (OOP) concepts
+- Database design and integration
+- Multithreading and concurrency control
+- Socket programming for client-server communication
+- Designing graphical user interfaces with **JavaFX**
+- Data handling and persistence with **PostgreSQL**
+- Real-time events and message synchronization
+
+---
+
+## Pre Requirements
+- **Java** (JDK 23 or higher)  
+- **PostgreSQL** (for database)  
+- **JavaFX SDK** (for GUI)  
+- **IntelliJ IDEA**  
+- **Gradle** as the build system  
+
+---
+## Detabase design
+![photo_2025-09-07_20-10-33](https://github.com/user-attachments/assets/64f786c4-91a6-4a7c-955f-e6b646baa5e8)
+
+---
+
+## Implementation
+The project has 3 main parts:
+
+1. **Telegram Client**  
+   - JavaFX-based UI replicating Telegram’s layout (intro, login, chats, sidebar, overlays).  
+   - Handles sending/receiving requests through sockets.  
+   - Displays messages, saved chats, groups, and user profiles.  
+
+2. **Telegram Server**  
+   - Multithreaded server managing client connections concurrently.  
+   - Processes requests, accesses the database, and returns structured JSON responses.  
+   - Includes a server log showing all events and queries in real-time.  
+
+3. **Sockets**  
+   - All client-server communication is handled via sockets.  
+   - Each request/response follows a structured JSON protocol.  
+   - Supports multiple users communicating simultaneously.  
+
+---
+
+## Creating GUI
+The GUI was developed entirely with [**JavaFX**](https://en.wikipedia.org/wiki/JavaFX), SceneBuilder, and custom CSS.  
+Features include:  
+- Light/Dark theme switching  
+- Responsive sidebar navigation  
+- Overlays (e.g., Saved Messages, My Profile, Blocked Users)  
+- Round avatars and icons styled to match Telegram’s UI  
+
+---
+
+## Database Structures
+Implemented with **PostgreSQL**. Main tables include:
+- **users** – stores account information  
+- **messages** – stores chat messages with sender, receiver, timestamp, and status  
+- **private_chat** – for one-on-one conversations (including Saved Messages)  
+- **group_chat / channel** – for group and channel features  
+- **message_receipts** – to track read/delivery status  
+
+*(SQL schema files are provided in the project repo)*
+
+---
+
+## Presentation
+[This]() is the link to the slides used for the project presentation.  
+
+---
+
+## How to Run the Code
+1. Clone the repository.  
+2. Set up the PostgreSQL database using the provided `init.sql`.  
+3. In IntelliJ IDEA (with Gradle):  
+   - Run `MainServer` first. You should see `Listening ...` in the console.  
+   - Run `TelegramApplication`. The intro screen (with “Start Messaging”) will appear.  
+4. Login/Register to start chatting.  
+
+---
+
+## Contributors
+- Course Instructor: [Dr. Saeed Reza Kheradpisheh](https://www.linkedin.com/in/saeed-reza-kheradpisheh-7a0b18155/)  
+- Project Mentor: [Farid Karimi](https://github.com/Farid-Karimi/)  
+- Team Members:  
+  - [Asal Lotfi](https://github.com/AsalLotfi/)    
+  - [Partow Roshani](https://github.com/PartowRoshani/)   
+  - [Shima Morevej](https://github.com/shimamoravvej/)   
+
+---
+
+## Date/Time
+Summer of 2025 (Version 1.0)
+
+---
+
+## Resources
+- [JavaFX Documentation](https://openjfx.io/)  
+- [PostgreSQL Documentation](https://www.postgresql.org/docs/)  
+- [Gradle Build Tool](https://gradle.org/)  
+- [Telegram Design Reference](https://telegram.org/)