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main.py
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186 lines (154 loc) · 5.54 KB
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from flask import Flask, redirect, url_for, render_template, request, session, flash
from datetime import timedelta
from flask.sessions import NullSession
from flask.templating import render_template_string
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy.orm import backref
app = Flask(__name__)
app.secret_key = "konichiwa"
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///users.sqlite3'
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
app.permanent_session_lifetime = timedelta(minutes=30)
db = SQLAlchemy(app)
# Tip:use sessions to login and logout
# Database
class Psy(db.Model):
ind = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100))
email = db.Column(db.String(100))
pwd = db.Column("Password", db.String(100))
msg = db.relationship('Notes', backref='user')
def __init__(self, name, email, pwd):
self.name = name
self.email = email
self.pwd = pwd
class Notes(db.Model):
id = db.Column(db.Integer, primary_key=True)
blog = db.Column(db.String(500))
blog_name = db.Column(db.String(100))
user_id = db.Column(db.Integer, db.ForeignKey('psy.ind'))
def __init__(self, blog, blog_name, user_id):
self.blog = blog
self.blog_name = blog_name
self.user_id = user_id
# Login in page
@app.route("/", methods=["POST", "GET"])
def login():
if request.method == "POST":
testmail = request.form["email"]
testpwd = request.form["password"]
found_user = Psy.query.filter_by(email=testmail, pwd=testpwd).first()
if found_user:
session["email"] = testmail
session["password"] = testpwd
session["user"] = found_user.name
return redirect(url_for("blog"))
else:
flash("user does not exist", "error")
return redirect(url_for("login"))
else:
return render_template("index.html")
# Sign in page
@app.route("/signup", methods=["POST", "GET"])
def signup():
# post used for the case when we are passing data to the signup page
if request.method == "POST":
mail = request.form["email"]
name = request.form["nm"]
password = request.form["password"]
if not mail or not name or not password:
flash("Fill info", "info")
return redirect(url_for("signup"))
# database variable
found_user = Psy.query.filter_by(email=mail).first()
if found_user:
flash("Gmail used !!", "error")
return redirect(url_for("signup"))
else:
# database entry
entry = Psy(name, mail, password)
db.session.add(entry)
db.session.commit()
return redirect(url_for("login"))
else:
return render_template("signup.html")
# Blog page
@app.route("/blog")
def blog():
return render_template("home.html")
# Creation page
@app.route("/write", methods=["POST", "GET"])
def write():
if request.method == "POST":
name = request.form["name"]
blog = request.form["blog"]
_user = Psy.query.filter_by(email=session["email"]).first()
entry = Notes(blog, name, _user.ind)
db.session.add(entry)
db.session.commit()
return redirect(url_for("blog"))
else:
if "flag" in session:
session.pop("flag")
return render_template("write.html", name=session["bname"], text=session["blog"])
return render_template("write.html", name="", text="")
# Delete Blog
@app.route("/delete", methods=["POST", "GET"])
def delete():
if request.method == "POST":
name = request.form["blogname"]
user_ = Notes.query.filter_by(blog_name=name).delete()
if user_:
db.session.commit()
return redirect(url_for("blog"))
else:
return render_template("delete.html", content="Element not found!")
else:
return render_template("delete.html")
# Edit blog
@app.route("/update", methods=["POST", "GET"])
def update():
if request.method == "POST":
name = request.form["update"]
user_ = Notes.query.filter_by(blog_name=name).first()
if user_:
blog = user_.blog
bname = user_.blog_name
session["blog"] = blog
session["bname"] = bname
session["flag"] = 1
user_ = Notes.query.filter_by(blog_name=name).delete()
db.session.commit()
return redirect(url_for("write"))
else:
return render_template("update.html", content="Such a blog doesnt exist")
else:
return render_template("update.html")
# Logout
@app.route("/logout")
def logout():
session.clear()
return redirect(url_for("login"))
# Database viewer
@ app.route("/view")
def view():
return render_template("database.html", data=Psy.query.all())
# Trial function
@ app.route("/out")
def out():
mail = session["email"]
user_ = Psy.query.filter_by(email=mail).first()
id = user_.ind
return render_template("test.html", data=Notes.query.filter_by(user_id=id).all())
# Clear database
@ app.route("/clear")
def clear():
db.session.query(Psy).delete()
db.session.commit()
db.session.query(Notes).delete()
db.session.commit()
return render_template("test.html", content="database cleared")
# Executing statement
if __name__ == "__main__":
db.create_all()
app.run(debug=True)