AI Content Generator SaaS Platform

A powerful SaaS platform that leverages AI to automate content creation, improve SEO, and provide valuable insights into customer sentiment.

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Dashboard View

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🚀 Features

• AI-Powered Content Generation: Create high-quality, human-like text for product descriptions, blog articles, email templates, and social media posts using Gemini-2.0-Flash.
• Sentiment Analysis: Analyze text for positive, neutral, or negative sentiments using Hugging Face API.
• Keyword Extraction: Extract important keywords and phrases from content to improve SEO.
• Text Summarization: Automatically generate summaries of long-form content.
• Project Management: Organize content into projects for better workflow management.
• Analytics Dashboard: Visualize content performance, sentiment distribution, and keyword trends.
• API Access: Integrate AI content generation capabilities into third-party applications.
• Subscription Management: Tiered subscription plans with PayPal integration.

🛠️ Tech Stack

• Frontend: Next.js 14 with App Router, React, Tailwind CSS, shadcn/ui
• Backend: Next.js API Routes, Server Actions
• Database: PostgreSQL with Supabase
• Authentication: Supabase Auth
• AI Services:
  • Gemini-2.0-Flash or higher models for content generation
  • Hugging Face API for NLP tasks (sentiment analysis, keyword extraction, summarization)
• Payments: PayPal Subscriptions API
• Visualization: Recharts for analytics
• Styling: Tailwind CSS with custom theming

📋 Prerequisites

• Node.js 18.x or higher
• npm or yarn
• Supabase account
• Gemini API key
• Hugging Face API key
• PayPal Sandbox or live Developer account

🚀 Getting Started

Installation

1. Clone the repository:

git clone https://github.com/MeeksonJr/ai-content-generator.git
cd ai-content-generator

2. Install dependencies:

 npm install
 # or
 yarn install

3. Set up environment variables: Create a .env.local file in the root directory with the following variables:

   Supabase

   NEXT_PUBLIC_SUPABASE_URL=your_supabase_url NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_anon_key SUPABASE_SERVICE_ROLE_KEY=your_supabase_service_role_key

   AI Services

   GEMINI_API_KEY=your_gemini_api_key NEXT_PUBLIC_GEMINI_API_KEY=your_gemini_api_key HUGGING_FACE_API_KEY=your_huggingface_api_key

   PayPal

   PAYPAL_CLIENT_ID=your_paypal_client_id PAYPAL_CLIENT_SECRET=your_paypal_client_secret

   App URL

   NEXT_PUBLIC_APP_URL=http://localhost:3000 ```

4. Set up the database: Run the SQL scripts in the sql directory to create the necessary tables and seed data.

5. Start the development server: ```bash npm run dev

   or

   yarn dev ```

6. Open http://localhost:3000 in your browser.

📊 Database Schema

The application uses the following main tables:

• users: User accounts (managed by Supabase Auth)
• projects: Content projects created by users
• content: Generated content items
• subscriptions: User subscription information
• usage_limits: Limits based on subscription plans
• usage_stats: Usage statistics for users

🔑 API Documentation

Content Generation API

``` POST /api/v1/generate ```

Generate AI content based on provided parameters.

Headers:

• Authorization: Bearer YOUR_API_KEY
• Content-Type: application/json

Request Body: ```json { "contentType": "product_description", "title": "Wireless Bluetooth Headphones", "prompt": "High-quality noise-canceling headphones with 20-hour battery life" } ```

Response: ```json { "content": "Experience audio like never before with our Wireless Bluetooth Headphones...", "sentiment": "positive", "sentimentScore": 0.92, "keywords": [ { "keyword": "wireless", "score": 0.85 }, { "keyword": "bluetooth", "score": 0.82 }, { "keyword": "headphones", "score": 0.95 } ] } ```

Sentiment Analysis API

``` POST /api/v1/sentiment ```

Analyze the sentiment of provided text.

Headers:

• Authorization: Bearer YOUR_API_KEY
• Content-Type: application/json

Request Body: ```json { "text": "I absolutely love this product! It's amazing and works perfectly." } ```

Response: ```json { "sentiment": "positive", "score": 0.95 } ```

Keyword Extraction API

``` POST /api/v1/keywords ```

Extract keywords from provided text.

Headers:

• Authorization: Bearer YOUR_API_KEY
• Content-Type: application/json

Request Body: ```json { "text": "Artificial intelligence is transforming digital marketing strategies for e-commerce businesses." } ```

Response: ```json { "keywords": [ { "keyword": "artificial intelligence", "score": 0.92 }, { "keyword": "digital marketing", "score": 0.87 }, { "keyword": "e-commerce", "score": 0.85 }, { "keyword": "strategies", "score": 0.76 } ] } ```

Text Summarization API

``` POST /api/v1/summarize ```

Generate a concise summary of longer text.

Headers:

• Authorization: Bearer YOUR_API_KEY
• Content-Type: application/json

Request Body: ```json { "text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit...", "maxLength": 150 } ```

Response: ```json { "summary": "A concise summary of the provided text..." } ```

📱 Pages and Components

• Landing Page: Introduction to the platform and its features
• Authentication: Login and registration pages
• Dashboard: Overview of user's content and analytics
• Content Generator: AI-powered content creation interface
• Projects: Project management for organizing content
• Sentiment Analysis: Tool for analyzing text sentiment
• Keyword Extraction: Tool for extracting keywords from text
• Text Summarization: Tool for summarizing long-form content
• API Documentation: Documentation for the API endpoints
• Subscription Management: Manage subscription plans and billing

🔒 Authentication and Authorization

The application uses Supabase Auth for authentication and Row Level Security (RLS) policies for authorization. This ensures that users can only access their own data and resources.

💰 Subscription Plans

The platform offers three subscription tiers:

1. Free Plan:

   • 5 content generations per month
   • 1,000 character limit
   • No advanced features

2. Professional Plan ($19.99/month):

   • 50 content generations per month
   • 5,000 character limit
   • Sentiment analysis
   • Keyword extraction
   • Text summarization

3. Enterprise Plan ($49.99/month):

   • Unlimited content generations
   • 10,000 character limit
   • All advanced features
   • API access

🧪 Testing

Run the test suite with:

bash
npm test
or
yarn test

🚀 Deployment

The application can be deployed to Vercel with the following steps:

1. Push your code to a GitHub repository.
2. Create a new project on Vercel and link it to your repository.
3. Configure the environment variables in the Vercel dashboard.
4. Deploy the application.

📄 License

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

👥 Contributors

• Mohamed Datt

🙏 Acknowledgements

• Next.js
• Supabase
• Tailwind CSS
• shadcn/ui
• Gemini AI
• Hugging Face
• PayPal
• Recharts