Notebook/OneNote-Clone/backend/app.py

from flask import Flask, request, jsonify, send_from_directory
from flask_cors import CORS
from models import db, Notebook, Section, Page
from datetime import datetime
import os

app = Flask(__name__, static_folder='../static')
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///onenote.db'
CORS(app)
db.init_app(app)

@app.route('/')
def index():
    return send_from_directory(app.static_folder, 'index.html')

@app.route('/<path:path>')
def serve_static(path):
    return send_from_directory(app.static_folder, path)

@app.route('/api/notebooks', methods=['GET', 'POST'])
def notebooks():
    if request.method == 'POST':
        data = request.json
        nb = Notebook(name=data['name'], color=data.get('color', '#7719AA'))
        db.session.add(nb)
        db.session.commit()
        return jsonify({'id': nb.id, 'name': nb.name})
    
    notebooks = Notebook.query.all()
    return jsonify([{'id': n.id, 'name': n.name, 'color': n.color} for n in notebooks])

@app.route('/api/notebooks/<int:nb_id>/sections', methods=['GET', 'POST'])
def sections(nb_id):
    if request.method == 'POST':
        data = request.json
        section = Section(name=data['name'], notebook_id=nb_id)
        db.session.add(section)
        db.session.commit()
        return jsonify({'id': section.id, 'name': section.name})
    
    sections = Section.query.filter_by(notebook_id=nb_id).all()
    return jsonify([{'id': s.id, 'name': s.name} for s in sections])

@app.route('/api/sections/<int:sec_id>/pages', methods=['GET', 'POST'])
def pages(sec_id):
    if request.method == 'POST':
        data = request.json
        page = Page(title=data['title'], content='', drawing_data='', section_id=sec_id)
        db.session.add(page)
        db.session.commit()
        return jsonify({'id': page.id, 'title': page.title})
    
    pages = Page.query.filter_by(section_id=sec_id).all()
    return jsonify([{
        'id': p.id, 
        'title': p.title, 
        'updated_at': p.updated_at.isoformat()
    } for p in pages])

@app.route('/api/pages/<int:page_id>', methods=['GET', 'PUT', 'DELETE'])
def page_detail(page_id):
    page = Page.query.get_or_404(page_id)
    
    if request.method == 'GET':
        return jsonify({
            'id': page.id,
            'title': page.title,
            'content': page.content,
            'drawing_data': page.drawing_data,
            'updated_at': page.updated_at.isoformat()
        })
    
    elif request.method == 'PUT':
        data = request.json
        page.title = data.get('title', page.title)
        page.content = data.get('content', page.content)
        page.drawing_data = data.get('drawing_data', page.drawing_data)
        page.updated_at = datetime.utcnow()
        db.session.commit()
        return jsonify({'success': True})
    
    elif request.method == 'DELETE':
        db.session.delete(page)
        db.session.commit()
        return jsonify({'success': True})

if __name__ == '__main__':
    with app.app_context():
        db.create_all()
    app.run(debug=True, host='0.0.0.0', port=5001)