Flask HTTP POST to DB question

#!/usr/bin/env python
from flask import Flask, render_template, request
from flask_sqlalchemy import SQLAlchemy
from flask_wtf import FlaskForm
from wtforms import TextAreaField
from wtforms.validators import DataRequired

app = Flask(__name__)
app.config.from_pyfile('config.py')

db = SQLAlchemy(app)

class Message(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    text = db.Column(db.String(200))

    def __init__(self, text):
        self.text = text

    def __repr__(self):
        return '<id %r>' % self.id

class Message(FlaskForm):
    message = TextAreaField('message', validators=[DataRequired()])

@app.route('/message', methods=['POST', 'GET'])
def save_message():
    form = Message()
    # return request.get_json()
    if request.method == 'GET':
        return render_template('message.html', form=form)
    else:
        # POST message to db
        text = models.Message(request.form['message'])
        db.session.add(text)
        db.session.commit()
        return render_template('message.html', form=form)

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)