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https://github.com/david-mwas/sellify

Selify is a platform designed to help users declutter their lives by selling unused items and items they don't need anymore.
https://github.com/david-mwas/sellify

expo express mongodb nativewind nodejs reat-native

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Selify is a platform designed to help users declutter their lives by selling unused items and items they don't need anymore.

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# Selify - Sell items you no longer need



Selify is a platform designed to help users declutter their lives by selling unused items and items they don't need anymore. 





























## Features



- **User Authentication**: Users can sign up, log in, and manage their accounts.

- **Product Listings**: Users can create, update, and delete product listings with images and descriptions.

- **Categories**: Browse and filter products by categories.

- **Messaging**: Send and receive messages between users for negotiations or inquiries in Realtime

- **Push Notifications**: Receive real-time notifications about new messages, product updates, and more.



## Tech Stack



- **Frontend**: Expo (React Native) - Cross-platform mobile app development.

- **Backend**: Node.js, Express - Robust backend API handling user authentication, product listings, and messaging.

- **Database**: MongoDB - NoSQL database for storing user profiles, products, and messages.

- **Authentication**: JWT (JSON Web Tokens) - Secure user authentication.

- **File Uploads**: Cloudinary - Image storage for product listings.

- **Real-time Communication**: Socket.IO - For chat and message notifications.

- **Push Notifications**: Expo Push Notifications - For real-time alerts to users.



## Architecture



The Selify app is structured around the following key components:



- **Frontend (Mobile App)**: Developed with Expo and React Native, allowing users to interact with the marketplace. The mobile app supports cross-platform development, making it available on both iOS and Android.



  - **Screens**: The app includes various screens like the login screen, product listing, user profile, and messaging.

  - **Navigation**: The app uses React Navigation to handle navigation between different screens, such as product pages and user profile.



- **Backend (API)**: The backend is built with Node.js and Express and MongoDB, handling requests related to authentication, product listings, messaging, and more.



  - **RESTful API**: The backend exposes a set of API endpoints for managing products, users, and messages.

  - **Database**: MongoDB is used to store user data, product information, and messages.

  - **Authentication**: JWT tokens are used to securely authenticate users and manage session states.



- **Real-time Communication**: Socket.IO is used for real-time messaging, enabling users to send and receive messages instantly.



- **Cloud Storage**: Cloudinary is integrated for file uploads, allowing users to upload images of products for their listings.



## App Flow



1. **User Authentication**: New users can register with their email and password, while returning users can log in. JWT tokens are used to authenticate users.

2. **Product Listings**: Once logged in, users can browse products listed by others, filter them by category, and create their own listings with images and descriptions.

3. **Messaging**: Users can send and receive messages directly within the app to discuss the products, negotiate prices, or ask for more details.

4. **Push Notifications**: Users receive notifications about new messages, product updates, and other relevant events.



## Installation



To run the Selify app locally:



### 1. Clone the repository



```bash

git clone https://github.com/David-mwas/selify.git

```