app.py

from flask import Flask, request, jsonify
from flask_cors import CORS
from transformers import pipeline

app = Flask(__name__)
CORS(app)

# Load the summarization pipeline
summarizer = pipeline("summarization", model="facebook/bart-large-cnn")

@app.route('/summarize', methods=['POST'])
def summarize():
    data = request.json
    text = data.get('text')

    # Check if text is empty or too short
    if not text or len(text.strip()) < 10:  # Minimum 10 characters
        return jsonify({"error": "Input text is too short or empty. Please provide at least 10 characters."}), 400

    try:
        # Summarize the text using Hugging Face
        summary = summarizer(text, max_length=130, min_length=30, do_sample=False)
        return jsonify({"summary": summary[0]['summary_text']})
    except Exception as e:
        return jsonify({"error": str(e)}), 500

@app.route('/')
def home():
    return "AI Research Helper Backend is running!"

if __name__ == '__main__':
    app.run(debug=True)