IIUC Bazaar 📱🎯

A university-based e-commerce application designed exclusively for IIUC students. IIUC Bazaar simplifies the buying and selling of products within the university ecosystem, featuring secure authentication, role-based functionalities, and reliable payment methods.

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📖 Table of Contents

1. Features
2. Architecture
3. Technology Stack
4. Installation
5. Usage
6. Notification System
7. Demo Video
8. Challenges and Solutions
9. Future Enhancements
10. License

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🎯 Features

Authentication

• University Email Restriction: Only emails ending with @ugrad.iiuc.ac.bd can sign up.
• Secure Login: Users can securely log in, and a "Forgot Password" option is available.

User Roles

1. Buyer:
   • Add items to the cart.
   • Place orders with payment options.
   • View pending orders.
   • Give and manage reviews.
2. Seller:
   • Add, edit, and delete products.
   • Manage orders and view sales performance.
   • View and manage product reviews.

Smart Chatbot (NEW)

• Replies in Bangla and English.
• Analyzes app data such as:
  • Most sold products
  • Trending items
  • Buyer preferences
• Suggests sellers what products to add (based on demand & trends).
• Suggests buyers what products to buy (based on popular items & behavior).
• Helps with navigation, order queries, FAQs, and app guidance.

Payment Options

• Card Payment: Securely integrated using Stripe API.
• Cash on Delivery: Available for users who prefer to pay on delivery.

Delivery Location

• Predefined university locations, such as FAZ, C Building, CXB, etc., ensure efficient delivery.

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🏗 Architecture

The application follows the Model-View-ViewModel (MVVM) pattern:

• Model: Manages data and business logic.
• View: Displays the UI and interacts with users.
• ViewModel: Connects the Model and View, handling user input and updating the UI.

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💻 Technology Stack

1. Frontend: Flutter
2. State Management: GetX
3. Backend: Firebase (Authentication, Realtime Database, Storage)
4. Payment Integration: Stripe API
5. UI Enhancements: Google Fonts, HexColor

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🚀 Installation

Prerequisites

• Flutter SDK
• Android Studio or VS Code
• Firebase account
• Stripe account for payment integration

Steps

1. Clone the Repository:

   git clone https://github.com/Sazidul0/IIUC_Bazaar.git
   cd IIUC_Bazaar
   

2. Install Dependencies:

   flutter pub get
   

3. Set Up Firebase:

   • Add your google-services.json (Android) and GoogleService-Info.plist (iOS) files.
   • Enable Authentication and Realtime Database in Firebase Console.

4. Configure Stripe API:

   • Replace the placeholder API keys in payment_service.dart with your Stripe credentials.

5. Run the App:

   flutter run
   
   

📚 Usage

Buyer Workflow

1. Signup: Register with your university email (@ugrad.iiuc.ac.bd).
2. Browse Products: Explore and purchase items.
3. Place Orders: Select a payment method and choose a delivery location.
4. Manage Orders: Track your orders and provide product ratings.
5. AI Recommendations: Get smart AI-based suggestions on products you may like.

Seller Workflow

1. Signup/Login: Register or login using your university email.
2. Manage Products: Add, update, or delete products.
3. View Sales: View both monthly and total sales directly from the homepage.
4. Manage Orders: Process and update order statuses.
5. AI Product Suggestions: Receive AI-driven insights on what products to add based on demand and trends.

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🔔 Notification System

Buyer Notifications:

• Card Payment: Payment success notification.
• Cash on Delivery: Order confirmation notification.

Seller Notifications:

• New order alerts with delivery details.

Notifications ensure a seamless buying and selling experience.

🛠 Challenges and Solutions

• Challenge: Restricting Access
  Solution: Validate email domain for @ugrad.iiuc.ac.bd.

• Challenge: Role-Specific Functionalities
  Solution: Designed separate UIs and backend logic for buyers and sellers.

• Challenge: Secure Payment Integration
  Solution: Integrated Stripe API for safe card payments.

• Challenge: Smart Recommendations Solution: Implemented data-driven chatbot suggestion system.

🌟 Future Enhancements

• Add real-time chat between buyers and sellers.
• Expand delivery location options.
• Integrate advanced analytics for seller performance.
• Introduce AI-based product recommendations.

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

🤝 Contributing

Contributions are welcome!

1. Fork the repository.
2. Create a new branch.
3. Commit your changes.
4. Open a pull request.

👩‍💻 Contact

Developer: [Sazidul Islam]
GitHub: [https://github.com/Sazidul0]