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app.py
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app.py
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"""Flask app for Feedback"""
from flask import Flask, render_template, request, redirect, flash, session, jsonify
from flask_debugtoolbar import DebugToolbarExtension
from models import db, connect_db, User, Feedback
from forms import Register, Login, GiveFeedback
from sqlalchemy.exc import IntegrityError
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql:///feedback'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['SQLALCHEMY_ECHO'] = True
connect_db(app)
from flask_debugtoolbar import DebugToolbarExtension
app.config['SECRET_KEY'] = "SECRET!"
debug = DebugToolbarExtension(app)
db.create_all()
def serialize_feedback(feedback):
"""Serialize a feedback post SQLAlchemy obj to dictionary."""
return {
"id": feedback.id,
"title": feedback.title,
"content": feedback.content,
"username": feedback.username
}
@app.errorhandler(404)
def page_not_found(e):
# note that we set the 404 status explicitly
return render_template('404.html'), 404
@app.errorhandler(401)
def page_not_found(e):
# note that we set the 404 status explicitly
return render_template('401.html'), 401
@app.route('/feedback')
def feedback():
"""returns json of feedback in db"""
feedback = Feedback.query.order_by(Feedback.id.desc()).all()
serialized = [serialize_feedback(feed) for feed in feedback]
return jsonify(feedback=serialized)
@app.route('/feedback/<username>')
def user_feedback(username):
"""returns json of feedback in db"""
feedback = Feedback.query.order_by(Feedback.id.desc()).filter_by(username=username)
serialized = [serialize_feedback(feed) for feed in feedback]
return jsonify(feedback=serialized)
@app.route('/user')
def get_username():
user = User.query.get_or_404(session['username'])
return user.username
@app.route('/')
def root():
return render_template('home.html')
@app.route('/register')
def register_page():
register_form = Register()
return render_template('register.html', register_form=register_form)
@app.route('/register', methods=["POST"])
def register():
register_form = Register()
if register_form.validate_on_submit():
username = register_form.username.data
password = register_form.password.data
email = register_form.email.data
first = register_form.first_name.data
last = register_form.last_name.data
user = User.register(username, password, email, first, last);
userx = User.query.filter_by(username=username).first()
if userx:
flash(f"username {user.username} already taken")
return redirect('/register')
else:
try:
db.session.add(user)
db.session.commit()
session["username"] = user.username
flash(f"Welcome {username}!")
return redirect("/")
except IntegrityError:
db.session.rollback()
flash('Username or Email already taken')
return redirect('/register')
else:
return render_template("register.html", register_form=register_form)
@app.route('/login')
def login_page():
login_form = Login()
return render_template('login.html', login_form=login_form)
@app.route('/login', methods=["POST"])
def login():
login_form = Login()
if login_form.validate_on_submit():
name = login_form.username.data
pwd = login_form.password.data
# authenticate will return a user or False
user = User.authenticate(name, pwd)
if user:
session["username"] = user.username # keep logged in
return redirect(f"/users/{user.username}")
else:
flash('incorrect username or password')
return redirect('/login')
return render_template("login.html", login_form=login_form)
@app.route('/users/<username>')
def secret_page(username):
if "username" not in session:
flash("You must be logged in to view!")
return redirect("/")
elif session['username'] != username:
flash("Access only granted to your account")
return redirect("/")
else:
user = User.query.get_or_404(username)
posts = Feedback.query.filter_by(username=username).all()
return render_template('secret.html', user=user, posts=posts)
@app.route('/users/<username>/delete', methods=["POST","GET"])
def delete_user(username):
if request.method == "POST":
if "username" not in session:
flash("You must be logged in to delete your account!")
return redirect("/")
elif session['username'] != username:
flash("Access only granted to your account")
return redirect("/")
else:
user = User.query.get_or_404(username)
db.session.delete(user)
db.session.commit()
session.pop("username")
return redirect('/')
else:
user = User.query.get_or_404(username)
return render_template("delete.html", user=user)
@app.route('/users/<username>/feedback/add', methods=["POST","GET"])
def give_feedback(username):
give_feedback = GiveFeedback()
user = User.query.get_or_404(username)
if session['username'] != username:
flash("Access only granted to your account")
return redirect("/")
else:
if give_feedback.validate_on_submit():
feedback = Feedback(title=give_feedback.title.data,content=give_feedback.content.data, username=session['username'])
db.session.add(feedback)
db.session.commit()
return redirect(f"/users/{session['username']}")
else:
return render_template("give_feedback.html", give_feedback=give_feedback, username=username)
@app.route('/feedback/<int:feedback_id>/update', methods=["POST","GET"])
def update_feedback(feedback_id):
give_feedback = GiveFeedback()
feedback = Feedback.query.get_or_404(feedback_id)
if session['username'] != feedback.username:
flash("Access only granted to your account")
return redirect("/")
else:
if give_feedback.validate_on_submit():
feedback.title = give_feedback.title.data
feedback.content = give_feedback.content.data
db.session.add(feedback)
db.session.commit()
return redirect(f"/users/{session['username']}")
else:
return render_template("update_feedback.html", give_feedback=give_feedback, feedback_id=feedback_id)
@app.route('/feedback/<int:feedback_id>/delete', methods=["POST"])
def delete_feedback(feedback_id):
feed = Feedback.query.get_or_404(feedback_id)
if session['username'] != feed.username:
flash("Access only granted to your account")
return redirect("/")
else:
feedback = Feedback.query.get_or_404(feedback_id)
db.session.delete(feedback)
db.session.commit()
return redirect(f"/users/{session['username']}")
@app.route('/logout')
def logout():
"""Logs user out and redirects to homepage."""
session.pop("username")
return redirect("/")