CRM Flutter App – Chat Module

A Flutter-based CRM mobile application designed to streamline communication between clients, agents, and sales teams via a robust chat system. This chat module supports real-time messaging, Firebase integration, and an intuitive UI built with responsiveness and performance in mind.

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✨ Features

• 🔐 Secure Login

  • Firebase Authentication (Email/Password & Phone OTP)
  • Google Sign-In (optional)

• 💬 Real-Time Chat

  • One-to-one chat between client and CRM agent
  • Typing indicator, message status, timestamps

• 📁 Media Support

  • Image, PDF, and file attachments in chat

• 🧠 Assistant Integration (Optional)

  • Supports AI-based assistant interaction via backend or OpenAI

• 📦 Firebase Integration

  • Firestore for chat messages and user metadata
  • Firebase Storage for media uploads
  • FCM (optional) for push notifications

• 📱 Responsive UI

  • Adaptive layouts for all screen sizes
  • Clean and modern UI components using GetX

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🛠️ Tech Stack

Layer	Technology
UI/Frontend	Flutter 3.x
State Management	GetX
Backend	Firebase (Firestore + Storage)
Auth	Firebase Auth
AI Assistant	(Optional) OpenAI API / FastAPI

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📁 Folder Structure

lib/
├── main.dart
├── app/
│   ├── modules/
│   │   ├── chat/
│   │   │   ├── chat_binding.dart
│   │   │   ├── chat_controller.dart
│   │   │   ├── chat_screen.dart
│   │   │   └── widgets/
│   │   │       ├── message_bubble.dart
│   │   │       ├── chat_input_field.dart
│   │   │       └── file_preview.dart
│   ├── data/
│   │   ├── models/
│   │   │   ├── user_model.dart
│   │   │   ├── message_model.dart
│   │   └── services/
│   │       ├── firebase_service.dart
│   │       ├── storage_service.dart
│   │       └── chat_service.dart
│   └── routes/
│       └── app_pages.dart

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⚙️ Setup Instructions

🔧 Prerequisites

• Flutter SDK 3.x
• Firebase Project
• Android/iOS device or emulator

🧪 Firebase Setup

1. Go to Firebase Console
2. Create a new project
3. Add Android/iOS apps
4. Download google-services.json and/or GoogleService-Info.plist
5. Enable Firestore, Firebase Auth, and Storage

📦 Install Dependencies

flutter pub get

▶️ Run the App

flutter run

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🔐 Authentication Flow

• User logs in via email/phone
• User metadata is stored in Firestore
• User is routed to the chat dashboard

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🧠 AI Assistant (Optional)

• Integrate OpenAI’s GPT model (via API) for assistant responses

• Backend support via FastAPI (LLM chains) for:

  • Auto-reply
  • Document-based query handling
  • CRM data enrichment

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📈 Future Enhancements

• Group chat support
• Admin panel (Flutter Web or Firebase Console)
• Voice notes and video attachments
• CRM-specific workflows: lead assignment, ticket tracking

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🤝 Contributing

Contributions are welcome! Fork the repo, create a feature branch, and submit a PR.

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📄 License

MIT

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🧩 Maintainer

Developed and maintained by Hi Born

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Let me know if you'd like to add:

- App screenshots / demo GIFs
- Links to backend or other modules
- Firebase rules for chat
- Chatroom design docs or architecture diagram

I can also generate `firebase_rules.json`, `.firebaserc`, and other supporting files.