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main.py
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main.py
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from flask import Flask, request, redirect, render_template, session, flash
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config['DEBUG'] = True
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://blogz:blogz@localhost:8889/blogz'
app.config['SQLALCHEMY_ECHO'] = True
db = SQLAlchemy(app)
app.secret_key = '3pcknela94kep'
class Blog(db.Model):
id = db.Column(db.Integer, primary_key=True)
owner_id = db.Column(db.Integer, db.ForeignKey('user.id'))
title = db.Column(db.String(120))
body = db.Column(db.String(500))
def __init__(self, title, body, owner):
self.title = title
self.body = body
self.owner = owner
class user(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(120), unique=True)
password = db.Column(db.String(120))
blogs = db.relationship('Blog', backref='owner')
def __init__(self, name, password):
self.name = name
self.password = password
@app.route('/logout', methods=['GET'])
def logout():
if 'name' in session:
del session['name']
flash("Successfully logged out")
return redirect('/blog')
else:
flash("No users were currently logged in",'error')
return redirect('/blog')
@app.before_request
def require_login():
not_allowed_routes = ['newpost']
if request.endpoint in not_allowed_routes and 'name' not in session:
flash('Need to login in order to make a new post', 'error')
return redirect('/login')
@app.route('/newpost', methods=['GET','POST'])
def newpost():
if request.method=='GET':
if 'name' in session:
flash("Currently logged in as " + session['name'])
return render_template('Add.html')
else:
title = request.form['title']
body = request.form['body']
titleerror = ""
bodyerror = ""
dbtitle = Blog.query.get('title')
if((not title) or (title.strip() == "")):
titleerror = "Not a valid blog title!"
if((not body) or (body.strip() == "")):
bodyerror = "Not a valid blog body!"
if(titleerror + bodyerror != ""):
return render_template('Add.html', title=title, body=body, bodyerror=bodyerror, titleerror=titleerror)
owner = user.query.filter_by(name=session['name']).first()
blog = Blog(title=title, body=body, owner=owner)
db.session.add(blog)
db.session.commit()
return redirect("/blog?id=" + str(blog.id))
@app.route('/signup', methods=['GET','POST'])
def signup():
if 'name' in session:
flash("Please logout before creating a new account")
return redirect('/')
else:
if request.method=="POST":
username = request.form['username']
password = request.form['password']
verify = request.form['verify']
validU = ""
validP = ""
validV = ""
currentU = user.query.all()
for i in currentU:
if i.name == username:
validU = "Username is taken"
return render_template('signup.html', validU=validU)
if ((not username) or (username.strip() == "") or (len(username) < 3)):
validU = "Invalid Username (Must be at least 3 characters long)"
if((not password) or (password.strip() == "") or (len(password) < 3)):
validP = "Invalid Password (Must be at least 3 characters long)"
if verify != password:
validV = "Password and Verify are different"
if validU + validP + validV != "":
return render_template('signup.html', validU=validU, validP=validP, validV=validV)
newUser = user(name=username, password=password)
db.session.add(newUser)
db.session.commit()
session['name'] = username
return redirect('/newpost')
else:
return render_template('signup.html')
@app.route('/login', methods=['GET','POST'])
def login():
if 'name' in session:
flash("Logout to login to another account.")
return redirect('/')
else:
if 'name' in session:
flash("Currently logged in as " + session['name'])
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
User = user.query.filter_by(name=username).first()
if User and User.password == password:
session['name'] = username
return redirect('/')
elif User and User.password != password:
flash("Incorrect Password", 'error')
return render_template('login.html', username=username)
else:
flash("No user was found under that username", 'error')
return render_template('login.html')
else:
return render_template('login.html')
@app.route('/blog', methods=['GET'])
def blog():
if 'name' in session:
flash("Currently logged in as " + session['name'])
if request.args:
id = request.args.get('id')
if id:
blog = Blog.query.get(id)
return render_template('blogpost.html', blog=blog)
else:
blogUser = request.args.get('user')
blogger = user.query.filter_by(name=blogUser).first()
bloggerblogs = Blog.query.filter_by(owner_id=blogger.id).all()
return render_template("singleUser.html", blogs=bloggerblogs)
else:
blogs = Blog.query.all()
return render_template('allUsers.html', blogs=blogs)
@app.route('/', methods=['GET'])
def index():
if 'name' in session:
flash("Currently logged in as " + session['name'])
authors = user.query.all()
no_Users = ""
if not authors:
no_Users = "No users yet. Signup up a the top!"
return render_template('authors.html', no_Users=no_Users)
return render_template('authors.html', authors=authors)
if __name__ == '__main__':
app.run()