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from flask import Flask, render_template, url_for, request, redirect from flask_sqlalchemy import SQLAlchemy from datetime import datetime app = Flask(__name__) app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db' db = SQLAlchemy(app) class Todo(db.Model): id = db.Column(db.Integer, primary_key=True) content = db.Column(db.String(200), nullable=False) date_created = db.Column(db.DateTime, default=datetime.utcnow) def __repr__(self): return '<Task %r>' % self.id @app.route('/', methods=['POST', 'GET']) def index(): if request.method == 'POST': task_content = request.form['content'] new_task = Todo(content=task_content) try: db.session.add(new_task) db.session.commit() return redirect('/') except: return 'There was an issue adding your task' else: tasks = Todo.query.order_by(Todo.date_created).all() return render_template('index.html', tasks=tasks) @app.route('/delete/<int:id>') def delete(id): task_to_delete = Todo.query.get_or_404(id) try: db.session.delete(task_to_delete) db.session.commit() return redirect('/') except: return 'There was a problem deleting that task' @app.route('/update/<int:id>', methods=['GET', 'POST']) def update(id): task = Todo.query.get_or_404(id) if request.method == 'POST': task.content = request.form['content'] try: db.session.commit() return redirect('/') except: return 'There was an issue updating your task' else: return render_template('update.html', task=task) if __name__ == "__main__": app.run(debug=True)