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app.py
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app.py
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from flask import Flask, render_template, request, redirect
from flask_login.utils import login_required
from flask_sqlalchemy import SQLAlchemy
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField, PasswordField
from wtforms.validators import DataRequired, length
from flask_login import UserMixin, login_user, LoginManager, logout_user, current_user
from werkzeug.security import generate_password_hash, check_password_hash
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = "postgresql://postgres:postgres@localhost:5432/tasky"
app.config["SECRET_KEY"] = "Secret Key"
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.init_app(app)
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
class Tasks(db.Model):
sno = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(200), nullable=False)
description = db.Column(db.String(500), nullable=False)
def __repr__(self):
return f"{self.sno} - {self.title}"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
email = db.Column(db.String(100), unique=True)
password = db.Column(db.String(100))
name = db.Column(db.String(1000))
class TaskForm(FlaskForm):
title = StringField('Enter Task Title :', validators=[
DataRequired(), length(max=200)])
description = StringField('Enter Task Description :', validators=[
DataRequired(), length(max=500)])
submit = SubmitField('Submit')
class UserForm(FlaskForm):
name = StringField('Enter Your Name :', validators=[
DataRequired(), length(max=1000)])
password = PasswordField('Enter Your Password :', validators=[
DataRequired(), length(max=100)])
email = StringField('Enter Your Email :', validators=[
DataRequired(), length(max=100)])
submit = SubmitField('Submit')
@app.route('/register', methods=["GET", "POST"])
def register():
if request.method == "POST":
if User.query.filter_by(email=request.form.get('email')).first():
return redirect("/login")
hash_and_salted_password = generate_password_hash(
request.form.get('password'),
method='pbkdf2:sha256',
salt_length=8
)
new_user = User(
email=request.form.get('email'),
name=request.form.get('name'),
password=hash_and_salted_password,
)
db.session.add(new_user)
db.session.commit()
login_user(new_user)
return redirect("/")
return render_template("register.html", form=UserForm())
@app.route('/login', methods=["GET", "POST"])
def login():
if request.method == "POST":
email = request.form.get('email')
password = request.form.get('password')
user = User.query.filter_by(email=email).first()
if not user:
return redirect('/login')
elif not check_password_hash(user.password, password):
return redirect('/login')
else:
login_user(user)
return redirect('/')
return render_template("login.html", form=UserForm())
@app.route('/logout')
def logout():
logout_user()
return redirect("/")
@app.route("/", methods=["GET", "POST"])
def index():
if request.method == 'POST':
form = TaskForm()
if form.validate_on_submit():
title = request.form['title']
description = request.form['description']
task = Tasks(title=title,
description=description)
db.session.add(task)
db.session.commit()
tasks = Tasks.query.all()
return render_template("index.html", tasks=tasks, form=TaskForm())
@app.route("/update/<int:sno>", methods=["GET", "POST"])
def update(sno):
if request.method == 'POST':
form = TaskForm()
if form.validate_on_submit():
title = request.form['title']
description = request.form['description']
task = Tasks.query.filter_by(sno=sno).first()
task.title = title
task.description = description
db.session.add(task)
db.session.commit()
return redirect('/')
task = Tasks.query.filter_by(sno=sno).first()
return render_template("update.html", task=task, form=TaskForm())
@app.route("/delete/<int:sno>")
def delete(sno):
tasks = Tasks.query.filter_by(sno=sno).first()
db.session.delete(tasks)
db.session.commit()
return redirect('/')
if __name__ == "__main__":
db.create_all()
app.run(debug=True, host="0.0.0.0")