from distutils.log import debug
from flask import Flask, render_template, request, redirect, url_for
from flask_login import UserMixin, login_user,
login_required, logout_user, current_user
from flask_sqlalchemy import SQLAlchemy
from flask_login import login_user, logout_user, login_required, LoginManager
from werkzeug.security import generate_password_hash, check_password_hash
from datetime import datetime
from flask import flash
app = Flask(__name__)
db = SQLAlchemy(app)
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['SECRET_KEY'] = 'thisisasecretkey'
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
class GFGBLOG(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(50))
author = db.Column(db.String(20))
post_date = db.Column(db.DateTime)
content = db.Column(db.Text)
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), nullable=False, unique=True)
password = db.Column(db.String(80), nullable=False)
@app.route("/")
def hello_world():
article = GFGBLOG.query.order_by(GFGBLOG.post_date.desc()).all()
print(current_user.is_anonymous)
if current_user.is_anonymous:
name = "guest"
else:
name = current_user.username
print("bye")
return render_template('index.html', article=article, name=name)
@app.route('/about')
def about():
return render_template('about.html')
@app.route('/addpost', methods=['POST', 'GET'])
def addpost():
if request.method == 'POST':
title = request.form['title']
author = request.form['author']
content = request.form['content']
post = GFGBLOG(title=title, author=author,
content=content, post_date=datetime.now())
db.session.add(post)
db.session.commit()
print("Done")
return redirect(url_for('hello_world'))
return render_template('add.html')
@app.route('/update/<int:id>', methods=['POST', 'GET'])
@login_required
def update(id):
if request.method == 'POST':
title = request.form['title']
author = request.form['author']
content = request.form['content']
print(content)
post = GFGBLOG.query.filter_by(id=id).first()
post.title = title
post.author = author
post.content = content
db.session.add(post)
db.session.commit()
return redirect("/")
edit = GFGBLOG.query.filter_by(id=id).first()
return render_template('update.html', edit=edit)
@app.route('/delete/<int:id>')
@login_required
def delete(id):
d = GFGBLOG.query.filter_by(id=id).first()
db.session.delete(d)
db.session.commit()
return redirect(url_for('hello_world'))
@app.route('/login', methods=['POST', 'GET'])
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
user = User.query.filter_by(username=username).first()
if not user and not check_password_hash(user.password, password):
flash('Please check your login details and try again.')
return render_template('not.html')
else:
login_user(user)
print("yes")
return redirect(url_for('hello_world'))
return render_template('login.html')
@app.route('/signin', methods=['POST', 'GET'])
def signin():
if request.method == 'POST':
print("hello")
username = request.form['username']
password = request.form['password']
user = User(username=username, password=password)
db.session.add(user)
db.session.commit()
return redirect(url_for('hello_world'))
return render_template('signin.html')
@app.route('/logout', methods=['GET', 'POST'])
@login_required
def logout():
logout_user()
return redirect(url_for('hello_world'))
if __name__ == '__main__':
app.run(debug=True)