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app.py
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app.py
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import webbrowser
from datetime import datetime
from os import error, urandom
from threading import Timer
from flask import Flask, redirect, render_template, request, session, url_for
from flask.helpers import flash
from flask_sqlalchemy import SQLAlchemy
from waitress import serve
from werkzeug.wrappers import Response
from _pass import *
# App init
app = Flask(__name__)
app.secret_key = urandom(16) # Secret key
# DB configuration
app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///test.db"
db = SQLAlchemy(app)
# Table manager classes
# ToDo table Manager
class Todo(db.Model):
__tablename__ = "Tasks"
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.String(200), nullable=False)
completed = db.Column(db.Integer, default=0)
date_created = db.Column(db.DateTime, default=datetime.utcnow)
deadline = db.Column(db.DateTime)
user = db.Column(db.String(100), nullable=False)
def __repr__(self) -> str:
return "<Task %r>" % self.id
# Users table manager
class Users(db.Model):
__tablename__ = "Users"
_id = db.Column(db.String(50), primary_key=True)
username = db.Column(db.String(100), nullable=False)
password = db.Column(db.String(16), nullable=False)
# Start directory
@app.route("/")
def index():
if "username" in session:
return f'Logged in as {session["username"]}'
return redirect(url_for("login"))
# Login page
@app.route("/login", methods=["GET", "POST"])
def login():
if request.method == "POST": # verify login details
uid = request.form["uid"]
pwd = hash(request.form["pwd"])
try:
user = Users.query.filter_by(_id=uid).first()
if check_password(user.password, pwd):
flash("Login successful", "success")
session["username"] = user.username # Set username on session
return redirect(
url_for("tasks")
) # redirect to tasks page on successful login
else:
flash("InCorrect Username or Password", "error")
3 / 0
except:
flash("User does not exist", "error")
return render_template("login.html")
return render_template("login.html") # Loading Login page on GET method
# Logout
@app.route("/logout")
def logout():
# remove the username from the session if it's there
session.pop("username", None)
return redirect(url_for("index")) # redirect to index page
# register
@app.route("/register", methods=["POST", "GET"])
def register():
if request.method == "POST":
global userId
userId = uid = request.form["uid"]
fname = request.form["fname"]
lname = request.form["lname"]
pwd = request.form["pwd"]
try:
assert Validator.validate_id(uid), "Invalid UID"
assert Validator.validate_name(fname), "Invalid Name"
assert Validator.validate_name(lname), "Invalid Name"
assert Validator.validate_pwd(pwd), "Invalid password"
epwd = encrypt_password(pwd)
new_user = Users(_id=uid, username=fname + " " + lname, password=epwd)
db.session.add(new_user)
db.session.commit()
return redirect(url_for("login"))
except AssertionError as err:
flash(err, "error")
return render_template(
"register.html", user_id=uid, fname=fname, lname=lname, pwd=pwd
)
except Exception:
flash("Duplicate entry", "error")
return render_template(
"register.html", user_id=uid, fname=fname, lname=lname, pwd=pwd
)
else:
return render_template("register.html", user_id="", fname="", lname="", pwd="")
# Check duplicate user id
@app.route("/check-duplicate/<uid>", methods=["POST"])
def check_duplicate(uid: str):
userUnique = Users.query.get_or_404(uid)
# print(userUnique)
return "Already Exists", 200
# forgot password
@app.route("/forgot-password", methods=["GET", "POST"])
def forgotPwd():
if request.method == "POST":
global userId
userId = request.form["uid"]
fname = request.form["fname"]
lname = request.form["lname"]
user = Users.query.filter_by(_id=userId).first()
username = fname + " " + lname
if user == None:
return f"User ID does not exist"
elif user.username == username:
return redirect(url_for("reset"))
else:
return f"User Name does not exist"
else:
return render_template("forgot-password.html")
# reset password
@app.route("/reset-password", methods=["GET", "POST"])
def reset():
global userId
if request.method == "POST":
userId = request.form["uid"]
newPwd = request.form["pwd"]
try:
assert Validator.validate_pwd(newPwd), "Invalid Password"
except AssertionError as err:
flash(err, "error")
user = Users.query.filter_by(_id=userId).first()
user.password = encrypt_password(newPwd)
db.session.commit()
return redirect(url_for("login"))
else:
return render_template("reset-password.html", uId=userId)
# tasks page
@app.route("/tasks", methods=["POST", "GET"])
def tasks():
if request.method == "POST":
task_txt = request.form["task"]
task_ddl = datetime.strptime(request.form["deadline"], r"%Y-%m-%d")
user = session["username"]
newTask = Todo(content=task_txt, deadline=task_ddl, user=user)
db.session.add(newTask)
db.session.commit()
return redirect("/tasks")
else:
tasks = (
Todo.query.order_by(Todo.date_created)
.filter_by(user=session["username"])
.all()
)
return render_template("tasks.html", tasks=tasks)
# except:
# return render_template("tasks.html")
# delete tasks
@app.route("/delete/<int:id>")
def delete(id: int):
taskDelete = Todo.query.get_or_404(id)
try:
db.session.delete(taskDelete)
db.session.commit()
return redirect("/tasks")
except:
return "An error was encountered"
# update tasks
@app.route("/update/<int:id>", methods=["GET", "POST"])
def update(id: int):
taskUpdate = Todo.query.get_or_404(id)
if request.method == "POST":
task_content = request.form["task"]
task_ddl = datetime.strptime(request.form["deadline"], r"%Y-%m-%d")
# task = Todo.query.filter_by(id = id)
taskUpdate.content = task_content
taskUpdate.deadline = task_ddl
db.session.commit()
return redirect(url_for("tasks"))
else:
return render_template("update.html", task=taskUpdate)
# mark task as done
@app.route("/mark-as-done/<int:id>")
def markAsDone(id: int):
taskDone = Todo.query.get_or_404(id)
taskDone.completed = 1
db.session.commit()
return redirect(url_for("tasks"))
# mark task as pending
@app.route("/mark-as-pending/<int:id>")
def pending(id: int):
taskPending = Todo.query.get_or_404(id)
taskPending.completed = 0
db.session.commit()
return redirect(url_for("tasks"))
@app.route("/about")
def about():
return render_template("about.html")
# Launch the app in browser
def open_browser():
webbrowser.open("http://127.0.0.1:5000/", new=1, autoraise=True)
if __name__ == "__main__":
# Timer(1, open_browser).start()
app.run(debug=True)
# serve(app, listen="*:0701")