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app.py
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app.py
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from flask import Flask, render_template, redirect, session, flash
from flask_debugtoolbar import DebugToolbarExtension
from models import connect_db, db, User, Feedback
from forms import RegisterForm, LoginForm, FeedbackForm
from sqlalchemy.exc import IntegrityError
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = "postgres:///flask-feedback"
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
app.config["SQLALCHEMY_ECHO"] = True
app.config["SECRET_KEY"] = "abc123"
app.config['DEBUG_TB_INTERCEPT_REDIRECTS'] = False
connect_db(app)
toolbar = DebugToolbarExtension(app)
@app.route("/")
def homepage():
return render_template("/home.html")
@app.route("/register", methods=['GET', 'POST'])
def register_user():
form = RegisterForm()
if form.validate_on_submit():
username = form.username.data
password = form.password.data
email = form.email.data
first_name = form.first_name.data
last_name = form.last_name.data
new_user = User.register(username, password, email, first_name, last_name)
db.session.add(new_user)
try:
db.session.commit()
except IntegrityError:
form.username.errors.append("Username already taken")
return render_template("register.html", form=form)
session['username'] = new_user.username
flash("Created new account", "success")
return redirect('/')
return render_template("register.html", form=form)
@app.route("/login", methods=['GET', 'POST'])
def login_user():
form = LoginForm()
if form.validate_on_submit():
username = form.username.data
password = form.password.data
user = User.authenticate(username, password)
if user:
flash(f"Welcome {user.first_name}", "success")
session['username'] = user.username
return redirect(f'/user/{user.username}')
else:
form.username.errors = ['Invalid username/password']
return render_template('login.html', form=form)
@app.route("/user/<username>")
def user_info(username):
if 'username' not in session:
flash("Please log in to view this page", "danger")
return redirect('/login')
if session['username'] == username:
user = User.query.get_or_404(username)
return render_template("user_info.html", user=user)
else:
flash("Invalid username", "danger")
return redirect("/")
@app.route("/user/<username>/delete", methods=['POST'])
def delete_user(username):
if 'username' not in session:
flash("Please log in to view this page", "danger")
return redirect('/login')
if session['username'] == username:
user = User.query.get_or_404(username)
db.session.delete(user)
db.session.commit()
flash("User deleted", "success")
return redirect("/logout")
flash("You don't have permission", "danger")
return redirect("/")
@app.route("/user/<username>/feedback/add", methods=['GET', 'POST'])
def add_feedback(username):
if 'username' not in session:
flash("Please login first", "danger")
return redirect('/')
form = FeedbackForm()
if form.validate_on_submit():
title = form.title.data
content = form.content.data
new_feedback = Feedback(title=title,content=content,username=session['username'])
db.session.add(new_feedback)
db.session.commit()
flash('Feedback added', "success")
return redirect(f"/user/{username}")
return render_template("add_feedback.html", form=form)
@app.route("/feedback/<feedback_id>/update", methods=['GET', 'POST'])
def update_feedback(feedback_id):
if 'username' not in session:
flash("Please login first", "danger")
return redirect('/')
feedback = Feedback.query.filter_by(id=feedback_id).first()
if not feedback:
flash("Feedback doesn't exist", "danger")
return redirect("/")
form = FeedbackForm(obj=feedback)
if (session['username'] != feedback.user.username):
flash("You can only change your own feedback", "danger")
return redirect('/')
if form.validate_on_submit():
feedback.title = form.title.data
feedback.content = form.content.data
db.session.add(feedback)
db.session.commit()
flash('Feedback updated', "success")
return redirect(f'/user/{feedback.user.username}')
return render_template("update_feedback.html", form=form, feedback=feedback)
@app.route("/feedback/<feedback_id>/delete", methods=['POST'])
def delete_feedback(feedback_id):
if 'username' not in session:
flash("Please login first", "danger")
return redirect('/')
feedback = Feedback.query.get_or_404(feedback_id)
if (session['username'] != feedback.user.username):
flash("You can only change your own feedback", "danger")
return redirect('/')
db.session.delete(feedback)
db.session.commit()
flash('Feedback deleted', "success")
return redirect('/')
@app.route("/logout")
def logout():
session.pop('username')
flash('You are now logged out', "success")
return redirect('/')