get_tiny_url

app.py

@app.route('/', methods=['GET', 'POST'])
def get_tiny_url():
    if request.method == 'POST' and request.is_json:
        long_url = request.get_json().get('url')
        if not long_url:
            abort(400)
        if not long_url.startswith('http'):
            long_url = f'http://{long_url}'
        h = blake2b(long_url.encode(), digest_size=20).hexdigest()
        app.logger.debug(h)
        # See if URL already exists
        url = Url.query.filter_by(hash=h).first()
        if not url:
            url = Url(hash=h, long=long_url)
            app.logger.debug(url)
            db.session.add(url)
            db.session.commit()
        app.logger.debug(url)

        tiny_url = f'https://example.com/{short_url.encode_url(url.id)}'

        return jsonify(tiny_url=tiny_url)
    else:
        return redirect('https://example.com')